{"id":1403,"date":"2026-11-12T17:11:32","date_gmt":"2026-11-12T14:11:32","guid":{"rendered":"https:\/\/www.verigom.com\/blog\/?p=1403"},"modified":"2026-11-12T17:13:08","modified_gmt":"2026-11-12T14:13:08","slug":"log-kaydi-nedir","status":"publish","type":"post","link":"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/","title":{"rendered":"Log Kayd\u0131 Nedir?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Log kayd\u0131, bilgisayar sistemlerinde, sunucularda, uygulamalarda ve a\u011f cihazlar\u0131nda ger\u00e7ekle\u015fen i\u015flemlerin kay\u0131t alt\u0131na al\u0131nmas\u0131d\u0131r. Bu kay\u0131tlar; sistem hatalar\u0131n\u0131n tespit edilmesi, kullan\u0131c\u0131 etkinliklerinin izlenmesi ve g\u00fcvenlik olaylar\u0131n\u0131n incelenmesi i\u00e7in kullan\u0131l\u0131r. Log kay\u0131tlar\u0131 sayesinde bir sistemde hangi i\u015flemin, ne zaman ve hangi ko\u015fullarda ger\u00e7ekle\u015fti\u011fi hakk\u0131nda bilgi edinilebilir.<\/span><\/p>\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7indekiler<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u0130\u00e7indekiler Tablosunu A\u00e7\/Kapat\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Log_Kaydi_Ne_Ise_Yarar\" >Log Kayd\u0131 Ne \u0130\u015fe Yarar?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Log_Kaydi_Nasil_Olusturulur_ve_Tutulur\" >Log Kayd\u0131 Nas\u0131l Olu\u015fturulur ve Tutulur?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Log_Kaydi_Turleri_Nelerdir\" >Log Kayd\u0131 T\u00fcrleri Nelerdir?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Sistem_Loglari_System_Logs\" >Sistem Loglar\u0131 (System Logs)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Erisim_Loglari_Access_Logs\" >Eri\u015fim Loglar\u0131 (Access Logs)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Hata_Loglari_Error_Logs\" >Hata Loglar\u0131 (Error Logs)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Guvenlik_Loglari_Security_Logs\" >G\u00fcvenlik Loglar\u0131 (Security Logs)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Uygulama_Loglari_Application_Logs\" >Uygulama Loglar\u0131 (Application Logs)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Log_Kayitlarinda_Hangi_Bilgiler_Bulunur\" >Log Kay\u0131tlar\u0131nda Hangi Bilgiler Bulunur?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Log_Kayitlari_Nerede_Bulunur\" >Log Kay\u0131tlar\u0131 Nerede Bulunur?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Linux_Sunucularda_Log_Dosyalari\" >Linux Sunucularda Log Dosyalar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Windowsta_Log_Kayitlari\" >Windows&#8217;ta Log Kay\u0131tlar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#cPanel_ve_Plesk_Uzerinden_Loglara_Erisim\" >cPanel ve Plesk \u00dczerinden Loglara Eri\u015fim<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Log_Kayitlari_Nasil_Incelenir\" >Log Kay\u0131tlar\u0131 Nas\u0131l \u0130ncelenir?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Log_Dosyasi_Nasil_Okunur\" >Log Dosyas\u0131 Nas\u0131l Okunur?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Linuxta_Log_Inceleme_Komutlari\" >Linux&#8217;ta Log \u0130nceleme Komutlar\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Windows_Olay_Goruntuleyicisi_ile_Log_Inceleme\" >Windows Olay G\u00f6r\u00fcnt\u00fcleyicisi ile Log \u0130nceleme<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Log_Kaydi_Ornegi_ve_Anlami\" >Log Kayd\u0131 \u00d6rne\u011fi ve Anlam\u0131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Log_Kayitlari_Neden_Onemlidir\" >Log Kay\u0131tlar\u0131 Neden \u00d6nemlidir?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Log_Kayitlari_Ne_Kadar_Sure_Saklanir\" >Log Kay\u0131tlar\u0131 Ne Kadar S\u00fcre Saklan\u0131r?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Log_Yonetiminde_Dikkat_Edilmesi_Gerekenler\" >Log Y\u00f6netiminde Dikkat Edilmesi Gerekenler<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Sikca_Sorulan_Sorular\" >S\u0131k\u00e7a Sorulan Sorular<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Log_kaydi_silinebilir_mi\" >Log kayd\u0131 silinebilir mi?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Log_kayitlari_kim_tarafindan_tutulur\" >Log kay\u0131tlar\u0131 kim taraf\u0131ndan tutulur?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Log_kayitlari_IP_adresini_gosterir_mi\" >Log kay\u0131tlar\u0131 IP adresini g\u00f6sterir mi?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Log_kaydi_tutmak_zorunlu_mu\" >Log kayd\u0131 tutmak zorunlu mu?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.verigom.com\/blog\/log-kaydi-nedir\/#Log_kaydi_ile_log_dosyasi_ayni_sey_mi\" >Log kayd\u0131 ile log dosyas\u0131 ayn\u0131 \u015fey mi?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Log_Kaydi_Ne_Ise_Yarar\"><\/span><span style=\"font-weight: 400;\">Log Kayd\u0131 Ne \u0130\u015fe Yarar?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<article>Log kay\u0131tlar\u0131, sistemlerde ger\u00e7ekle\u015fen olaylar\u0131n ge\u00e7mi\u015fe d\u00f6n\u00fck olarak incelenmesini sa\u011flar. Bir web sitesinde hata olu\u015ftu\u011funda, sunucuya yetkisiz eri\u015fim denemesi yap\u0131ld\u0131\u011f\u0131nda veya uygulama beklenmedik \u015fekilde durdu\u011funda sorunun kayna\u011f\u0131n\u0131 belirlemek i\u00e7in loglardan yararlan\u0131labilir. Bilhassa <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/www.verigom.com\/kurumsal-hosting\/\"><strong>kurumsal hosting<\/strong><\/a><\/span> sistemlerinde eri\u015fim ve hata kay\u0131tlar\u0131n\u0131n d\u00fczenli incelenmesi web sitelerinde ya\u015fanan sorunlar\u0131n tespit edilmesini kolayla\u015ft\u0131r\u0131r. B\u00f6ylece sistem y\u00f6neticileri, sorunlar\u0131n ne zaman ba\u015flad\u0131\u011f\u0131n\u0131 ve hangi i\u015flemlerle ili\u015fkili olabilece\u011fini de\u011ferlendirebilir. Log kay\u0131tlar\u0131n\u0131n ba\u015fl\u0131ca kullan\u0131m ama\u00e7lar\u0131 \u015funlard\u0131r:<\/article>\n<article>\n<div style=\"display: flex; flex-wrap: wrap; gap: 14px; margin: 1.2em 0 1.4em;\">\n<div style=\"flex: 1 1 200px; border: 1px solid #efe4da; border-radius: 12px; padding: 16px 18px; background: #fff;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">Hata tespiti<\/strong><\/p>\n<p style=\"margin: 0; font-size: .95em; color: #5b6575;\">Uygulama ve sunucu hatalar\u0131n\u0131n nedenlerini ara\u015ft\u0131rmak.<\/p>\n<\/div>\n<div style=\"flex: 1 1 200px; border: 1px solid #efe4da; border-radius: 12px; padding: 16px 18px; background: #fff;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">G\u00fcvenlik takibi<\/strong><\/p>\n<p style=\"margin: 0; font-size: .95em; color: #5b6575;\">\u015e\u00fcpheli oturum a\u00e7ma giri\u015fimlerini ve yetkisiz eri\u015fim denemelerini belirlemek.<\/p>\n<\/div>\n<div style=\"flex: 1 1 200px; border: 1px solid #efe4da; border-radius: 12px; padding: 16px 18px; background: #fff;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">Performans analizi<\/strong><\/p>\n<p style=\"margin: 0; font-size: .95em; color: #5b6575;\">Yava\u015f \u00e7al\u0131\u015fan i\u015flemleri ve sistem sorunlar\u0131n\u0131 tespit etmek.<\/p>\n<\/div>\n<div style=\"flex: 1 1 200px; border: 1px solid #efe4da; border-radius: 12px; padding: 16px 18px; background: #fff;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">\u0130\u015flem ge\u00e7mi\u015fi<\/strong><\/p>\n<p style=\"margin: 0; font-size: .95em; color: #5b6575;\">Sistem \u00fczerinde ger\u00e7ekle\u015ftirilen i\u015flemleri ge\u00e7mi\u015fe d\u00f6n\u00fck incelemek.<\/p>\n<\/div>\n<div style=\"flex: 1 1 200px; border: 1px solid #efe4da; border-radius: 12px; padding: 16px 18px; background: #fff;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">Sorun giderme<\/strong><\/p>\n<p style=\"margin: 0; font-size: .95em; color: #5b6575;\">Hizmet kesintilerinin nedenlerini ara\u015ft\u0131rmak.<\/p>\n<\/div>\n<\/div>\n<div style=\"background: #fff3ea; border: 1px solid #fbd5b8; border-radius: 12px; padding: 16px 20px; margin: 1.3em 0;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">Bilmekte fayda var!<\/strong><\/p>\n<p style=\"margin: 0;\">Loglar\u0131n sundu\u011fu bilgiler kullan\u0131lan yaz\u0131l\u0131ma ve etkinle\u015ftirilmi\u015f kay\u0131t ayarlar\u0131na g\u00f6re de\u011fi\u015febilir.<\/p>\n<\/div>\n<h2 id=\"log-kaydi-nasil-olusturulur\"><span class=\"ez-toc-section\" id=\"Log_Kaydi_Nasil_Olusturulur_ve_Tutulur\"><\/span><span style=\"font-weight: 400;\">Log Kayd\u0131 Nas\u0131l Olu\u015fturulur ve Tutulur?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Log kay\u0131tlar\u0131, i\u015fletim sistemi, uygulama veya sunucu yaz\u0131l\u0131m\u0131 taraf\u0131ndan belirli olaylar ger\u00e7ekle\u015fti\u011finde olu\u015fturulur. Bir kullan\u0131c\u0131n\u0131n sisteme giri\u015f yapmas\u0131, web sunucusuna HTTP iste\u011fi g\u00f6nderilmesi veya uygulamada hata meydana gelmesi log olu\u015fturulmas\u0131na neden olabilir.<\/p>\n<figure style=\"margin: 1.5em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1407\" src=\"https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-nasil-olusturulur.webp\" alt=\"Log Kayd\u0131 Nas\u0131l Olu\u015fturulur\" width=\"757\" height=\"271\" srcset=\"https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-nasil-olusturulur.webp 1600w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-nasil-olusturulur-300x107.webp 300w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-nasil-olusturulur-1024x367.webp 1024w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-nasil-olusturulur-768x275.webp 768w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-nasil-olusturulur-1536x550.webp 1536w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-nasil-olusturulur-990x355.webp 990w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-nasil-olusturulur-1320x473.webp 1320w\" sizes=\"auto, (max-width: 757px) 100vw, 757px\" \/><\/figure>\n<p>Olu\u015fturulan kay\u0131tlar metin dosyalar\u0131na, veritabanlar\u0131na, i\u015fletim sisteminin olay kay\u0131t sistemine veya merkezi log y\u00f6netimi platformlar\u0131na aktar\u0131labilir.<\/p>\n<p>\u00d6rnek olarak bir web sunucusu, gelen HTTP iste\u011finin zaman\u0131n\u0131, istenen adresi ve sunucunun d\u00f6nd\u00fcrd\u00fc\u011f\u00fc durum kodunu eri\u015fim loguna yazabilir. Ancak hangi bilgilerin kaydedilece\u011fi, sunucunun log yap\u0131land\u0131rmas\u0131na ba\u011fl\u0131d\u0131r.<\/p>\n<div style=\"background: #fff3ea; border: 1px solid #fbd5b8; border-radius: 12px; padding: 16px 20px; margin: 1.3em 0;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">Do\u011fru zaman bilgisi<\/strong><\/p>\n<p style=\"margin: 0;\">Loglar\u0131n d\u00fczenli tutulmas\u0131 kadar do\u011fru zaman bilgisiyle kaydedilmesi de \u00f6nemlidir. Sistem saatlerinin senkronize olmas\u0131, farkl\u0131 cihazlardan gelen olaylar\u0131n kar\u015f\u0131la\u015ft\u0131r\u0131lmas\u0131n\u0131 kolayla\u015ft\u0131r\u0131r.<\/p>\n<\/div>\n<h2 id=\"log-kaydi-turleri\"><span class=\"ez-toc-section\" id=\"Log_Kaydi_Turleri_Nelerdir\"><\/span><span style=\"font-weight: 400;\">Log Kayd\u0131 T\u00fcrleri Nelerdir?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Log kay\u0131tlar\u0131, kaydedilen olay\u0131n t\u00fcr\u00fcne ve kullan\u0131lan sistemin amac\u0131na g\u00f6re farkl\u0131 kategorilere ayr\u0131l\u0131r.<\/p>\n<figure style=\"margin: 1.5em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1410\" src=\"https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-turleri.webp\" alt=\"Log Kayd\u0131 T\u00fcrleri\" width=\"715\" height=\"238\" srcset=\"https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-turleri.webp 1600w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-turleri-300x100.webp 300w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-turleri-1024x341.webp 1024w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-turleri-768x256.webp 768w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-turleri-1536x512.webp 1536w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-turleri-990x330.webp 990w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-turleri-1320x440.webp 1320w\" sizes=\"auto, (max-width: 715px) 100vw, 715px\" \/><\/figure>\n<h3 id=\"sistem-loglari\"><span class=\"ez-toc-section\" id=\"Sistem_Loglari_System_Logs\"><\/span><span style=\"font-weight: 400;\">Sistem Loglar\u0131 (System Logs)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div style=\"border: 1px solid #efe4da; border-left: 4px solid #ea580c; border-radius: 12px; padding: 14px 18px; margin: .6em 0 1.2em; background: #fff;\">\n<p><span style=\"display: inline-block; background: #fff3ea; color: #ea580c; border-radius: 6px; padding: 2px 9px; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .8em; font-weight: bold; margin-bottom: 6px;\">System logs<\/span><\/p>\n<p style=\"margin: 0;\">Sistem loglar\u0131, i\u015fletim sistemi ve sistem hizmetleriyle ilgili olaylar\u0131 i\u00e7erir. Servislerin ba\u015flat\u0131lmas\u0131, sistem hatalar\u0131, donan\u0131m uyar\u0131lar\u0131 ve baz\u0131 yap\u0131land\u0131rma de\u011fi\u015fiklikleri bu kay\u0131tlarda bulunabilir.<\/p>\n<\/div>\n<p>\u00d6zellikle sunucu y\u00f6netiminde sistem loglar\u0131, beklenmedik kapanmalar\u0131n ve servis sorunlar\u0131n\u0131n ara\u015ft\u0131r\u0131lmas\u0131nda kullan\u0131l\u0131r.<\/p>\n<h3 id=\"erisim-loglari\"><span class=\"ez-toc-section\" id=\"Erisim_Loglari_Access_Logs\"><\/span><span style=\"font-weight: 400;\">Eri\u015fim Loglar\u0131 (Access Logs)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div style=\"border: 1px solid #efe4da; border-left: 4px solid #ea580c; border-radius: 12px; padding: 14px 18px; margin: .6em 0 1.2em; background: #fff;\">\n<p><span style=\"display: inline-block; background: #fff3ea; color: #ea580c; border-radius: 6px; padding: 2px 9px; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .8em; font-weight: bold; margin-bottom: 6px;\">Access logs<\/span><\/p>\n<p style=\"margin: 0;\">Eri\u015fim loglar\u0131, bir web sitesine veya sunucu hizmetine g\u00f6nderilen isteklerle ilgili bilgileri kaydeder.<\/p>\n<\/div>\n<p>Web sunucular\u0131nda bu kay\u0131tlar genellikle istek zaman\u0131, istemci IP adresi, HTTP y\u00f6ntemi, istenen kaynak ve yan\u0131t durum kodu gibi alanlar i\u00e7erir. Eri\u015fim loglar\u0131, ziyaret\u00e7i isteklerinin incelenmesi ve belirli sayfalarda olu\u015fan HTTP hatalar\u0131n\u0131n ara\u015ft\u0131r\u0131lmas\u0131 i\u00e7in kullan\u0131labilir.<\/p>\n<h3 id=\"hata-loglari\"><span class=\"ez-toc-section\" id=\"Hata_Loglari_Error_Logs\"><\/span><span style=\"font-weight: 400;\">Hata Loglar\u0131 (Error Logs)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div style=\"border: 1px solid #efe4da; border-left: 4px solid #ea580c; border-radius: 12px; padding: 14px 18px; margin: .6em 0 1.2em; background: #fff;\">\n<p><span style=\"display: inline-block; background: #fff3ea; color: #ea580c; border-radius: 6px; padding: 2px 9px; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .8em; font-weight: bold; margin-bottom: 6px;\">Error logs<\/span><\/p>\n<p style=\"margin: 0;\">Hata loglar\u0131, uygulama veya sunucu \u00fczerinde meydana gelen hatalarla ilgili bilgileri i\u00e7erir. Bir web sunucusunun yap\u0131land\u0131rma hatas\u0131, uygulaman\u0131n beklenmedik \u015fekilde sonlanmas\u0131 veya dosya eri\u015fim izni problemi hata loglar\u0131nda g\u00f6r\u00fclebilir.<\/p>\n<\/div>\n<p>Bu kay\u0131tlar, \u00f6zellikle web sitelerinde kar\u015f\u0131la\u015f\u0131lan <strong>500<\/strong> ve <strong>503<\/strong> gibi sunucu hatalar\u0131n\u0131n nedenlerini ara\u015ft\u0131r\u0131rken \u00f6nemlidir.<\/p>\n<h3 id=\"guvenlik-loglari\"><span class=\"ez-toc-section\" id=\"Guvenlik_Loglari_Security_Logs\"><\/span><span style=\"font-weight: 400;\">G\u00fcvenlik Loglar\u0131 (Security Logs)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div style=\"border: 1px solid #efe4da; border-left: 4px solid #ea580c; border-radius: 12px; padding: 14px 18px; margin: .6em 0 1.2em; background: #fff;\">\n<p><span style=\"display: inline-block; background: #fff3ea; color: #ea580c; border-radius: 6px; padding: 2px 9px; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .8em; font-weight: bold; margin-bottom: 6px;\">Security logs<\/span><\/p>\n<p style=\"margin: 0;\">G\u00fcvenlik loglar\u0131, kimlik do\u011frulama i\u015flemleri, ba\u015far\u0131s\u0131z giri\u015f denemeleri, eri\u015fim yetkileri ve g\u00fcvenlikle ilgili di\u011fer olaylar\u0131 kaydetmek i\u00e7in kullan\u0131l\u0131r.<\/p>\n<\/div>\n<p>\u00d6rnek olarak k\u0131sa s\u00fcre i\u00e7erisinde ayn\u0131 hesaba y\u00f6nelik \u00e7ok say\u0131da ba\u015far\u0131s\u0131z giri\u015f denemesi ger\u00e7ekle\u015fmesi, g\u00fcvenlik incelemesi gerektiren bir durum olabilir.<\/p>\n<div style=\"background: #fff6e8; border: 1px solid #f6d9ab; border-radius: 12px; padding: 16px 20px; margin: 1.3em 0;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #b45309;\">Dikkat<\/strong><\/p>\n<p style=\"margin: 0;\">Tek bir log kayd\u0131, g\u00fcvenlik ihlalinin kesin olarak ger\u00e7ekle\u015fti\u011fini g\u00f6stermez. Olay\u0131n di\u011fer kay\u0131tlarla birlikte de\u011ferlendirilmesi gerekir.<\/p>\n<\/div>\n<h3 id=\"uygulama-loglari\"><span class=\"ez-toc-section\" id=\"Uygulama_Loglari_Application_Logs\"><\/span><span style=\"font-weight: 400;\">Uygulama Loglar\u0131 (Application Logs)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div style=\"border: 1px solid #efe4da; border-left: 4px solid #ea580c; border-radius: 12px; padding: 14px 18px; margin: .6em 0 1.2em; background: #fff;\">\n<p><span style=\"display: inline-block; background: #fff3ea; color: #ea580c; border-radius: 6px; padding: 2px 9px; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .8em; font-weight: bold; margin-bottom: 6px;\">Application logs<\/span><\/p>\n<p style=\"margin: 0;\">Uygulama loglar\u0131, belirli bir yaz\u0131l\u0131m\u0131n \u00e7al\u0131\u015fmas\u0131 s\u0131ras\u0131nda olu\u015fan olaylar\u0131 i\u00e7erir. Veritaban\u0131 ba\u011flant\u0131 hatalar\u0131, uygulama istisnalar\u0131, ba\u015far\u0131s\u0131z i\u015flemler ve yaz\u0131l\u0131m\u0131n \u00e7al\u0131\u015fma durumuyla ilgili mesajlar bu kay\u0131tlara \u00f6rnek g\u00f6sterilebilir.<\/p>\n<\/div>\n<p>Uygulama geli\u015ftiricileri, hata ay\u0131klama ve performans iyile\u015ftirme s\u00fcre\u00e7lerinde bu loglardan yararlan\u0131r.<\/p>\n<h2 id=\"log-kayitlarinda-hangi-bilgiler-bulunur\"><span class=\"ez-toc-section\" id=\"Log_Kayitlarinda_Hangi_Bilgiler_Bulunur\"><\/span><span style=\"font-weight: 400;\">Log Kay\u0131tlar\u0131nda Hangi Bilgiler Bulunur?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Log kay\u0131tlar\u0131n\u0131n i\u00e7eri\u011fi, kullan\u0131lan yaz\u0131l\u0131ma ve kay\u0131t t\u00fcr\u00fcne g\u00f6re de\u011fi\u015fiklik g\u00f6sterir. Bununla birlikte bir\u00e7ok log dosyas\u0131nda benzer bilgiler bulunur.<\/p>\n<div style=\"overflow-x: auto; margin: 1.2em 0 1.4em; border: 1px solid #efe4da; border-radius: 12px;\">\n<table style=\"width: 100%; border-collapse: collapse; min-width: 560px; margin: 0;\">\n<thead>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; background: #ea580c; color: #fff; font-weight: bold;\">Log bilgisi<\/th>\n<th style=\"padding: 12px 16px; text-align: left; background: #ea580c; color: #fff; font-weight: bold;\">A\u00e7\u0131klama<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da; font-weight: 600;\">Tarih ve saat<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da;\">Olay\u0131n ger\u00e7ekle\u015fti\u011fi zaman<\/td>\n<\/tr>\n<tr style=\"background: #fffaf6;\">\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da; font-weight: 600;\">IP adresi<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da;\">\u0130lgili a\u011f iste\u011finin kaynak veya hedef adresi<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da; font-weight: 600;\">\u0130\u015flem t\u00fcr\u00fc<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da;\">Ger\u00e7ekle\u015ftirilen olay veya istek<\/td>\n<\/tr>\n<tr style=\"background: #fffaf6;\">\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da; font-weight: 600;\">Kullan\u0131c\u0131 bilgisi<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da;\">\u0130\u015flemle ili\u015fkili kullan\u0131c\u0131 veya hesap<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da; font-weight: 600;\">Durum kodu<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da;\">\u0130\u015flemin sonucu veya HTTP yan\u0131t kodu<\/td>\n<\/tr>\n<tr style=\"background: #fffaf6;\">\n<td style=\"padding: 12px 16px; vertical-align: top; font-weight: 600;\">Hata mesaj\u0131<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top;\">Olu\u015fan sorunla ilgili teknik a\u00e7\u0131klama<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Her log kayd\u0131nda bu alanlar\u0131n tamam\u0131 bulunmak zorunda de\u011fildir. \u00d6rne\u011fin bir uygulama logunda IP adresi yer almayabilirken web sunucusu eri\u015fim loglar\u0131nda HTTP durum kodlar\u0131 bulunabilir.<\/p>\n<h2 id=\"log-kayitlari-nerede-bulunur\"><span class=\"ez-toc-section\" id=\"Log_Kayitlari_Nerede_Bulunur\"><\/span><span style=\"font-weight: 400;\">Log Kay\u0131tlar\u0131 Nerede Bulunur?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Log dosyalar\u0131n\u0131n konumu i\u015fletim sistemine, kullan\u0131lan sunucu yaz\u0131l\u0131m\u0131na ve yap\u0131land\u0131rma ayarlar\u0131na ba\u011fl\u0131d\u0131r. Bilhassa <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/www.verigom.com\/vds-server\/\"><strong>VDS Server<\/strong><\/a><\/span> altyap\u0131lar\u0131nda sistem y\u00f6neticileri, i\u015fletim sistemine ve eri\u015fim yetkilerine ba\u011fl\u0131 olarak log dosyalar\u0131n\u0131 do\u011frudan inceleyebilir. Payla\u015f\u0131ml\u0131 bar\u0131nd\u0131rma hizmetlerinde ise eri\u015fim genellikle kontrol panelinin sundu\u011fu kay\u0131tlarla s\u0131n\u0131rl\u0131d\u0131r.<\/p>\n<h3 id=\"linux-log-dosyalari\"><span class=\"ez-toc-section\" id=\"Linux_Sunucularda_Log_Dosyalari\"><\/span><span style=\"font-weight: 400;\">Linux Sunucularda Log Dosyalar\u0131<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Linux sistemlerinde bir\u00e7ok log dosyas\u0131 <code style=\"background: #fffaf6; border: 1px solid #efe4da; border-radius: 5px; padding: 1px 6px; font-size: .9em; font-family: Consolas,Menlo,'Courier New',monospace;\">\/var\/log\/<\/code> dizininde bulunur. Ancak kullan\u0131lan da\u011f\u0131t\u0131ma ve servise g\u00f6re dosya adlar\u0131 farkl\u0131 olabilir. Yayg\u0131n \u00f6rnekler \u015funlard\u0131r:<\/p>\n<div style=\"border: 1px solid #efe4da; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 12px 16px;\"><code style=\"flex: 0 0 190px; font-family: Consolas,Menlo,'Courier New',monospace; font-weight: bold; color: #ea580c; font-size: .92em;\">\/var\/log\/syslog<\/code><span style=\"flex: 1 1 260px;\">Debian ve Ubuntu gibi baz\u0131 sistemlerde genel sistem mesajlar\u0131.<\/span><\/div>\n<div style=\"display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 12px 16px; border-top: 1px solid #efe4da; background: #fffaf6;\"><code style=\"flex: 0 0 190px; font-family: Consolas,Menlo,'Courier New',monospace; font-weight: bold; color: #ea580c; font-size: .92em;\">\/var\/log\/messages<\/code><span style=\"flex: 1 1 260px;\">RHEL tabanl\u0131 baz\u0131 sistemlerde genel sistem kay\u0131tlar\u0131.<\/span><\/div>\n<div style=\"display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 12px 16px; border-top: 1px solid #efe4da;\"><code style=\"flex: 0 0 190px; font-family: Consolas,Menlo,'Courier New',monospace; font-weight: bold; color: #ea580c; font-size: .92em;\">\/var\/log\/auth.log<\/code><span style=\"flex: 1 1 260px;\">Debian ve Ubuntu sistemlerinde kimlik do\u011frulama olaylar\u0131.<\/span><\/div>\n<div style=\"display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 12px 16px; border-top: 1px solid #efe4da; background: #fffaf6;\"><code style=\"flex: 0 0 190px; font-family: Consolas,Menlo,'Courier New',monospace; font-weight: bold; color: #ea580c; font-size: .92em;\">\/var\/log\/secure<\/code><span style=\"flex: 1 1 260px;\">RHEL tabanl\u0131 baz\u0131 sistemlerde g\u00fcvenlik ve kimlik do\u011frulama kay\u0131tlar\u0131.<\/span><\/div>\n<div style=\"display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 12px 16px; border-top: 1px solid #efe4da;\"><code style=\"flex: 0 0 190px; font-family: Consolas,Menlo,'Courier New',monospace; font-weight: bold; color: #ea580c; font-size: .92em;\">\/var\/log\/nginx\/<\/code><span style=\"flex: 1 1 260px;\">Nginx web sunucusunun eri\u015fim ve hata kay\u0131tlar\u0131.<\/span><\/div>\n<\/div>\n<div style=\"background: #fff3ea; border: 1px solid #fbd5b8; border-radius: 12px; padding: 16px 20px; margin: 1.3em 0;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">systemd journal<\/strong><\/p>\n<p style=\"margin: 0;\">Systemd kullanan Linux sistemlerinde baz\u0131 olay kay\u0131tlar\u0131 yaln\u0131zca systemd journal i\u00e7erisinde tutulabilir. Bu kay\u0131tlar <code style=\"background: #fffaf6; border: 1px solid #efe4da; border-radius: 5px; padding: 1px 6px; font-size: .9em; font-family: Consolas,Menlo,'Courier New',monospace;\">journalctl<\/code> komutuyla incelenebilir.<\/p>\n<\/div>\n<h3 id=\"windows-log-kayitlari\"><span class=\"ez-toc-section\" id=\"Windowsta_Log_Kayitlari\"><\/span><span style=\"font-weight: 400;\">Windows&#8217;ta Log Kay\u0131tlar\u0131<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Windows i\u015fletim sisteminde olay kay\u0131tlar\u0131 genellikle <strong>Olay G\u00f6r\u00fcnt\u00fcleyicisi (Event Viewer)<\/strong> \u00fczerinden incelenir.<\/p>\n<p>Olay G\u00f6r\u00fcnt\u00fcleyicisi i\u00e7erisinde Uygulama, G\u00fcvenlik, Sistem ve di\u011fer kay\u0131t kategorileri bulunur. Mesela ba\u015far\u0131s\u0131z oturum a\u00e7ma giri\u015fimleri g\u00fcvenlik kay\u0131tlar\u0131nda, baz\u0131 s\u00fcr\u00fcc\u00fc ve servis hatalar\u0131 ise sistem kay\u0131tlar\u0131nda g\u00f6r\u00fclebilir.<\/p>\n<h3 id=\"cpanel-plesk-loglar\"><span class=\"ez-toc-section\" id=\"cPanel_ve_Plesk_Uzerinden_Loglara_Erisim\"><\/span><span style=\"font-weight: 400;\">cPanel ve Plesk \u00dczerinden Loglara Eri\u015fim<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>cPanel ve Plesk gibi kontrol panelleri, kullan\u0131c\u0131lar\u0131n belirli web sitesi ve sunucu kay\u0131tlar\u0131na eri\u015fmesini sa\u011flayabilir.<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 14px; margin: 1.2em 0 1.4em;\">\n<div style=\"flex: 1 1 260px; border: 1px solid #efe4da; border-radius: 12px; padding: 16px 18px; background: #fff;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">cPanel<\/strong><\/p>\n<p style=\"margin: 0; font-size: .95em; color: #5b6575;\"><strong>Metrics<\/strong> b\u00f6l\u00fcm\u00fcndeki <strong>Errors<\/strong> ve <strong>Raw Access<\/strong> gibi ara\u00e7lardan yararlan\u0131labilir.<\/p>\n<\/div>\n<div style=\"flex: 1 1 260px; border: 1px solid #efe4da; border-radius: 12px; padding: 16px 18px; background: #fff;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">Plesk<\/strong><\/p>\n<p style=\"margin: 0; font-size: .95em; color: #5b6575;\">\u0130lgili alan ad\u0131n\u0131n <strong>Logs<\/strong> b\u00f6l\u00fcm\u00fcnden web sunucusu kay\u0131tlar\u0131 incelenebilir.<\/p>\n<\/div>\n<\/div>\n<p>Ancak panel s\u00fcr\u00fcm\u00fcne, bar\u0131nd\u0131rma paketine ve kullan\u0131c\u0131 yetkilerine g\u00f6re eri\u015filebilen kay\u0131tlar de\u011fi\u015febilir.<\/p>\n<h2 id=\"log-kayitlari-nasil-incelenir\"><span class=\"ez-toc-section\" id=\"Log_Kayitlari_Nasil_Incelenir\"><\/span><span style=\"font-weight: 400;\">Log Kay\u0131tlar\u0131 Nas\u0131l \u0130ncelenir?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Log inceleme i\u015flemi, hangi sistemde sorun ya\u015fand\u0131\u011f\u0131na g\u00f6re farkl\u0131 y\u00f6ntemlerle ger\u00e7ekle\u015ftirilir. Linux sunucularda terminal komutlar\u0131, Windows sistemlerde ise Olay G\u00f6r\u00fcnt\u00fcleyicisi kullan\u0131labilir.<\/p>\n<h3 id=\"log-dosyasi-nasil-okunur\"><span class=\"ez-toc-section\" id=\"Log_Dosyasi_Nasil_Okunur\"><\/span><span style=\"font-weight: 400;\">Log Dosyas\u0131 Nas\u0131l Okunur?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bir log dosyas\u0131n\u0131 incelerken \u00f6ncelikle olay\u0131n ger\u00e7ekle\u015fti\u011fi tarih ve saat belirlenmelidir. Ard\u0131ndan ilgili zaman aral\u0131\u011f\u0131ndaki kay\u0131tlar kontrol edilir. Kay\u0131tlarda \u015fu bilgiler aranabilir;<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 8px; margin: .4em 0 1.2em;\"><span style=\"background: #fff3ea; color: #ea580c; border: 1px solid #fbd5b8; border-radius: 999px; padding: 4px 14px; font-weight: bold; font-size: .92em;\">Hata mesajlar\u0131<\/span><span style=\"background: #fff3ea; color: #ea580c; border: 1px solid #fbd5b8; border-radius: 999px; padding: 4px 14px; font-weight: bold; font-size: .92em;\">Ba\u015far\u0131s\u0131z i\u015flemler<\/span><span style=\"background: #fff3ea; color: #ea580c; border: 1px solid #fbd5b8; border-radius: 999px; padding: 4px 14px; font-weight: bold; font-size: .92em;\">HTTP durum kodlar\u0131<\/span><span style=\"background: #fff3ea; color: #ea580c; border: 1px solid #fbd5b8; border-radius: 999px; padding: 4px 14px; font-weight: bold; font-size: .92em;\">Tekrar eden olaylar<\/span><\/div>\n<p>\u00d6rnek olarak bir web sitesi belirli bir saatte eri\u015filemez hale geldiyse ayn\u0131 zaman aral\u0131\u011f\u0131ndaki web sunucusu ve uygulama loglar\u0131 birlikte incelenmelidir.<\/p>\n<h3 id=\"linux-log-inceleme-komutlari\"><span class=\"ez-toc-section\" id=\"Linuxta_Log_Inceleme_Komutlari\"><\/span><span style=\"font-weight: 400;\">Linux&#8217;ta Log \u0130nceleme Komutlar\u0131<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Linux sistemlerinde log dosyalar\u0131n\u0131 incelemek i\u00e7in farkl\u0131 terminal komutlar\u0131 kullan\u0131labilir.<\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">Linux \u00b7 Terminal<\/div>\n<div style=\"padding: 14px 16px 6px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"color: #8b929c; white-space: pre;\"># Bir dosyan\u0131n son 50 sat\u0131r\u0131n\u0131 g\u00f6r\u00fcnt\u00fclemek i\u00e7in<\/div>\n<div style=\"white-space: pre; margin-bottom: 10px;\"><span style=\"color: #ffb27a;\">$ <\/span>tail -n 50 \/var\/log\/syslog<\/div>\n<div style=\"color: #8b929c; white-space: pre;\"># Bir log dosyas\u0131ndaki hata ifadelerini aramak i\u00e7in<\/div>\n<div style=\"white-space: pre; margin-bottom: 10px;\"><span style=\"color: #ffb27a;\">$ <\/span>grep -i &#8220;error&#8221; \/var\/log\/nginx\/error.log<\/div>\n<div style=\"color: #8b929c; white-space: pre;\"># Yeni kay\u0131tlar\u0131 anl\u0131k takip etmek i\u00e7in<\/div>\n<div style=\"white-space: pre; margin-bottom: 10px;\"><span style=\"color: #ffb27a;\">$ <\/span>tail -f \/var\/log\/nginx\/access.log<\/div>\n<div style=\"color: #8b929c; white-space: pre;\"># Systemd journal kay\u0131tlar\u0131n\u0131 incelemek i\u00e7in<\/div>\n<div style=\"white-space: pre; margin-bottom: 10px;\"><span style=\"color: #ffb27a;\">$ <\/span>journalctl -xe<\/div>\n<div style=\"color: #8b929c; white-space: pre;\"># Belirli bir servisin son kay\u0131tlar\u0131n\u0131 g\u00f6r\u00fcnt\u00fclemek i\u00e7in<\/div>\n<div style=\"white-space: pre; margin-bottom: 10px;\"><span style=\"color: #ffb27a;\">$ <\/span>journalctl -u nginx -n 50<\/div>\n<\/div>\n<\/div>\n<div style=\"background: #fff6e8; border: 1px solid #f6d9ab; border-radius: 12px; padding: 16px 20px; margin: 1.3em 0;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #b45309;\">Not<\/strong><\/p>\n<p style=\"margin: 0;\">Bu komutlarda kullan\u0131lan dosya yollar\u0131 ve servis adlar\u0131 sistem yap\u0131land\u0131rmas\u0131na g\u00f6re de\u011fi\u015febilir. Baz\u0131 kay\u0131tlara eri\u015fmek i\u00e7in y\u00f6netici yetkisi gerekebilir.<\/p>\n<\/div>\n<h3 id=\"windows-olay-goruntuleyicisi\"><span class=\"ez-toc-section\" id=\"Windows_Olay_Goruntuleyicisi_ile_Log_Inceleme\"><\/span><span style=\"font-weight: 400;\">Windows Olay G\u00f6r\u00fcnt\u00fcleyicisi ile Log \u0130nceleme<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Windows \u00fczerinde log kay\u0131tlar\u0131n\u0131 incelemek i\u00e7in a\u015fa\u011f\u0131daki ad\u0131mlar izlenebilir:<\/p>\n<div style=\"margin: 1em 0 1.4em;\">\n<div style=\"display: flex; gap: 14px; align-items: flex-start; margin: 0 0 10px;\">\n<ul>\n<li>Ba\u015flat men\u00fcs\u00fcnde <strong>Olay G\u00f6r\u00fcnt\u00fcleyicisi<\/strong> aramas\u0131 yap\u0131n.<\/li>\n<\/ul>\n<\/div>\n<div style=\"display: flex; gap: 14px; align-items: flex-start; margin: 0 0 10px;\">\n<ul>\n<li>Uygulamay\u0131 a\u00e7arak <strong>Windows G\u00fcnl\u00fckleri<\/strong> b\u00f6l\u00fcm\u00fcne girin.<\/li>\n<\/ul>\n<\/div>\n<div style=\"display: flex; gap: 14px; align-items: flex-start; margin: 0 0 10px;\">\n<ul>\n<li>\u0130ncelemek istedi\u011finiz <strong>Uygulama<\/strong>, <strong>G\u00fcvenlik<\/strong> veya <strong>Sistem<\/strong> kategorisini se\u00e7in.<\/li>\n<\/ul>\n<\/div>\n<div style=\"display: flex; gap: 14px; align-items: flex-start; margin: 0 0 10px;\">\n<ul>\n<li>Kay\u0131tlar\u0131 tarih, saat ve olay d\u00fczeyine g\u00f6re filtreleyin.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<\/div>\n<div style=\"display: flex; gap: 14px; align-items: flex-start; margin: 0 0 10px;\">\n<ul>\n<li>\u0130lgili kayd\u0131 a\u00e7arak olay kimli\u011fini ve a\u00e7\u0131klamas\u0131n\u0131 inceleyin.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div style=\"background: #fff3ea; border: 1px solid #fbd5b8; border-radius: 12px; padding: 16px 20px; margin: 1.3em 0;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">Bilmekte fayda var<\/strong><\/p>\n<p style=\"margin: 0;\">Bir olay\u0131n hata olarak i\u015faretlenmesi, her zaman sistemin kritik bir sorun ya\u015fad\u0131\u011f\u0131 anlam\u0131na gelmez. Kay\u0131tlar\u0131n olay\u0131n ger\u00e7ekle\u015fti\u011fi ko\u015fullarla birlikte de\u011ferlendirilmesi gerekir.<\/p>\n<\/div>\n<h2 id=\"log-kaydi-ornegi\"><span class=\"ez-toc-section\" id=\"Log_Kaydi_Ornegi_ve_Anlami\"><\/span><span style=\"font-weight: 400;\">Log Kayd\u0131 \u00d6rne\u011fi ve Anlam\u0131<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Log kay\u0131tlar\u0131n\u0131 daha iyi anlamak i\u00e7in \u00f6rnek bir Apache web sunucusu eri\u015fim kayd\u0131n\u0131 inceleyelim:<\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">Apache \u00b7 access.log<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; white-space: pre;\"><span style=\"color: #ffb27a;\">192.0.2.10<\/span><span style=\"color: #6b7280;\"> &#8211; &#8211; <\/span><span style=\"color: #e5e7eb;\">[12\/Nov\/2026:10:30:15 +0300]<\/span><span style=\"color: #6b7280;\"> &#8220;<\/span><span style=\"color: #86efac;\">GET <\/span><span style=\"color: #fcd34d;\">\/urunler <\/span><span style=\"color: #c4b5fd;\">HTTP\/1.1<\/span><span style=\"color: #6b7280;\">&#8221; <\/span><span style=\"color: #fca5a5;\">404 <\/span><span style=\"color: #93c5fd;\">512<\/span><\/div>\n<\/div>\n<p>Bu kay\u0131t, bir istemcinin web sunucusundaki <code style=\"background: #fffaf6; border: 1px solid #efe4da; border-radius: 5px; padding: 1px 6px; font-size: .9em; font-family: Consolas,Menlo,'Courier New',monospace;\">\/urunler<\/code> adresine eri\u015fmeye \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve sunucunun <strong>404<\/strong> yan\u0131t\u0131 verdi\u011fini g\u00f6sterir.<\/p>\n<figure style=\"margin: 1.5em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1409\" src=\"https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-ornegi-anlami.webp\" alt=\"Log Kayd\u0131 \u00d6rne\u011fi\" width=\"743\" height=\"266\" srcset=\"https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-ornegi-anlami.webp 1600w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-ornegi-anlami-300x107.webp 300w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-ornegi-anlami-1024x367.webp 1024w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-ornegi-anlami-768x275.webp 768w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-ornegi-anlami-1536x550.webp 1536w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-ornegi-anlami-990x355.webp 990w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-kaydi-ornegi-anlami-1320x473.webp 1320w\" sizes=\"auto, (max-width: 743px) 100vw, 743px\" \/><\/figure>\n<p>Kay\u0131tta bulunan bilgiler \u015fu \u015fekilde a\u00e7\u0131klanabilir:<\/p>\n<div style=\"border: 1px solid #efe4da; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 11px 16px;\"><span style=\"flex: 0 0 250px;\"><code style=\"background: #1c2026; color: #ffb27a; border-radius: 6px; padding: 3px 9px; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .88em;\">192.0.2.10<\/code><\/span><span style=\"flex: 1 1 260px;\">\u0130ste\u011fin geldi\u011fi IP adresidir.<\/span><\/div>\n<div style=\"display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 11px 16px; border-top: 1px solid #efe4da;\"><span style=\"flex: 0 0 250px;\"><code style=\"background: #1c2026; color: #ffb27a; border-radius: 6px; padding: 3px 9px; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .88em;\">12\/Nov\/2026:10:30:15 +0300<\/code><\/span><span style=\"flex: 1 1 260px;\">\u0130ste\u011fin tarihini, saatini ve saat dilimini g\u00f6sterir.<\/span><\/div>\n<div style=\"display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 11px 16px; border-top: 1px solid #efe4da;\"><span style=\"flex: 0 0 250px;\"><code style=\"background: #1c2026; color: #ffb27a; border-radius: 6px; padding: 3px 9px; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .88em;\">GET<\/code><\/span><span style=\"flex: 1 1 260px;\">Kullan\u0131lan HTTP istek y\u00f6ntemidir.<\/span><\/div>\n<div style=\"display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 11px 16px; border-top: 1px solid #efe4da;\"><span style=\"flex: 0 0 250px;\"><code style=\"background: #1c2026; color: #ffb27a; border-radius: 6px; padding: 3px 9px; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .88em;\">\/urunler<\/code><\/span><span style=\"flex: 1 1 260px;\">Eri\u015filmek istenen kaynakt\u0131r.<\/span><\/div>\n<div style=\"display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 11px 16px; border-top: 1px solid #efe4da;\"><span style=\"flex: 0 0 250px;\"><code style=\"background: #1c2026; color: #ffb27a; border-radius: 6px; padding: 3px 9px; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .88em;\">HTTP\/1.1<\/code><\/span><span style=\"flex: 1 1 260px;\">\u0130stekte kullan\u0131lan HTTP protokol\u00fc s\u00fcr\u00fcm\u00fcd\u00fcr.<\/span><\/div>\n<div style=\"display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 11px 16px; border-top: 1px solid #efe4da;\"><span style=\"flex: 0 0 250px;\"><code style=\"background: #1c2026; color: #ffb27a; border-radius: 6px; padding: 3px 9px; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .88em;\">404<\/code><\/span><span style=\"flex: 1 1 260px;\">\u0130stenen kayna\u011f\u0131n bulunamad\u0131\u011f\u0131n\u0131 belirten HTTP durum kodudur.<\/span><\/div>\n<div style=\"display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 11px 16px; border-top: 1px solid #efe4da;\"><span style=\"flex: 0 0 250px;\"><code style=\"background: #1c2026; color: #ffb27a; border-radius: 6px; padding: 3px 9px; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .88em;\">512<\/code><\/span><span style=\"flex: 1 1 260px;\">Bu log bi\u00e7iminde yan\u0131t g\u00f6vdesinin bayt cinsinden boyutudur.<\/span><\/div>\n<\/div>\n<div style=\"background: #fff3ea; border: 1px solid #fbd5b8; border-radius: 12px; padding: 16px 20px; margin: 1.3em 0;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">Yorumlarken<\/strong><\/p>\n<p style=\"margin: 0;\">Bu \u00f6rnekteki IP adresi, dok\u00fcmantasyon i\u00e7in ayr\u0131lm\u0131\u015f \u00f6rnek bir adrestir. 404 durum kodu istenen kayna\u011f\u0131n bulunamad\u0131\u011f\u0131n\u0131 g\u00f6sterir. Ancak bu durumun yanl\u0131\u015f ba\u011flant\u0131dan m\u0131, silinen bir sayfadan m\u0131 yoksa farkl\u0131 bir yap\u0131land\u0131rma probleminden mi kaynakland\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in ek inceleme yap\u0131lmas\u0131 gerekebilir.<\/p>\n<\/div>\n<h2 id=\"log-kayitlari-neden-onemlidir\"><span class=\"ez-toc-section\" id=\"Log_Kayitlari_Neden_Onemlidir\"><\/span><span style=\"font-weight: 400;\">Log Kay\u0131tlar\u0131 Neden \u00d6nemlidir?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Log kay\u0131tlar\u0131, sistemlerde ya\u015fanan sorunlar\u0131n yaln\u0131zca mevcut durum \u00fczerinden de\u011fil, ge\u00e7mi\u015f olaylar \u00fczerinden de incelenmesini sa\u011flar.<\/p>\n<p>\u00d6rne\u011fin bir uygulama beklenmedik \u015fekilde durdu\u011funda hata loglar\u0131, sorundan hemen \u00f6nce ger\u00e7ekle\u015fen i\u015flemler hakk\u0131nda bilgi verebilir. Benzer \u015fekilde g\u00fcvenlik loglar\u0131, ola\u011fan d\u0131\u015f\u0131 oturum a\u00e7ma giri\u015fimlerinin ara\u015ft\u0131r\u0131lmas\u0131na yard\u0131mc\u0131 olabilir.<\/p>\n<p>Loglar ayr\u0131ca performans sorunlar\u0131n\u0131n de\u011ferlendirilmesinde de kullan\u0131l\u0131r. Belirli i\u015flemlerin uzun s\u00fcrmesi veya hata say\u0131lar\u0131n\u0131n artmas\u0131, sistemde daha ayr\u0131nt\u0131l\u0131 analiz gerektiren bir soruna i\u015faret edebilir.<\/p>\n<div style=\"background: #fff6e8; border: 1px solid #f6d9ab; border-radius: 12px; padding: 16px 20px; margin: 1.3em 0;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #b45309;\">Unutmay\u0131n<\/strong><\/p>\n<p style=\"margin: 0;\">Log kayd\u0131 tutmak tek ba\u015f\u0131na sorunlar\u0131 \u00f6nlemez. Kay\u0131tlar\u0131n d\u00fczenli izlenmesi, do\u011fru yorumlanmas\u0131 ve gerekli durumlarda aksiyon al\u0131nmas\u0131 gerekir.<\/p>\n<\/div>\n<h2 id=\"log-kayitlari-saklama-suresi\"><span class=\"ez-toc-section\" id=\"Log_Kayitlari_Ne_Kadar_Sure_Saklanir\"><\/span><span style=\"font-weight: 400;\">Log Kay\u0131tlar\u0131 Ne Kadar S\u00fcre Saklan\u0131r?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Log kay\u0131tlar\u0131n\u0131n saklama s\u00fcresi, kayd\u0131n t\u00fcr\u00fcne, kullan\u0131m amac\u0131na, kurumun ihtiya\u00e7lar\u0131na ve tabi olunan mevzuata g\u00f6re de\u011fi\u015fir. \u00d6rnek olarak g\u00fcvenlik olaylar\u0131n\u0131n ara\u015ft\u0131r\u0131lmas\u0131 i\u00e7in tutulan kay\u0131tlarla uygulama hata ay\u0131klama amac\u0131yla olu\u015fturulan kay\u0131tlar ayn\u0131 s\u00fcre boyunca saklanmak zorunda olmayabilir.<\/p>\n<div style=\"background: #fff3ea; border: 1px solid #fbd5b8; border-radius: 12px; padding: 16px 20px; margin: 1.3em 0;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">5651 say\u0131l\u0131 Kanun<\/strong><\/p>\n<p style=\"margin: 0;\">T\u00fcrkiye&#8217;de 5651 say\u0131l\u0131 Kanun ve ilgili d\u00fczenlemeler kapsam\u0131nda belirli hizmet sa\u011flay\u0131c\u0131lar i\u00e7in trafik bilgisi ve eri\u015fim kay\u0131tlar\u0131na ili\u015fkin \u00f6zel y\u00fck\u00fcml\u00fcl\u00fckler bulunabilir. Ancak bu y\u00fck\u00fcml\u00fcl\u00fckler her i\u015fletme veya her log t\u00fcr\u00fc i\u00e7in ayn\u0131 \u015fekilde uygulanmaz.<\/p>\n<\/div>\n<p>Bu nedenle log saklama politikas\u0131 olu\u015fturulurken ilgili mevzuat, ki\u015fisel verilerin korunmas\u0131 y\u00fck\u00fcml\u00fcl\u00fckleri ve operasyonel ihtiya\u00e7lar birlikte de\u011ferlendirilmelidir.<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 14px; margin: 1.2em 0 1.4em;\">\n<div style=\"flex: 1 1 260px; border: 1px solid #efe4da; border-radius: 12px; padding: 16px 18px; background: #fff;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">\u00c7ok uzun saklama<\/strong><\/p>\n<p style=\"margin: 0; font-size: .95em; color: #5b6575;\">Depolama maliyetini art\u0131rabilir ve ki\u015fisel veri riskleri olu\u015fturabilir.<\/p>\n<\/div>\n<div style=\"flex: 1 1 260px; border: 1px solid #efe4da; border-radius: 12px; padding: 16px 18px; background: #fff;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">\u00c7ok k\u0131sa saklama<\/strong><\/p>\n<p style=\"margin: 0; font-size: .95em; color: #5b6575;\">Ge\u00e7mi\u015f olaylar\u0131n ara\u015ft\u0131r\u0131lmas\u0131n\u0131 zorla\u015ft\u0131rabilir.<\/p>\n<\/div>\n<\/div>\n<h2 id=\"log-yonetimi\"><span class=\"ez-toc-section\" id=\"Log_Yonetiminde_Dikkat_Edilmesi_Gerekenler\"><\/span><span style=\"font-weight: 400;\">Log Y\u00f6netiminde Dikkat Edilmesi Gerekenler<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Log kay\u0131tlar\u0131n\u0131n do\u011fru y\u00f6netilmesi, hem sistem performans\u0131 hem de bilgi g\u00fcvenli\u011fi a\u00e7\u0131s\u0131ndan \u00f6nemlidir.<\/p>\n<figure style=\"margin: 1.5em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1411\" src=\"https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-yonetimi.webp\" alt=\"Log Y\u00f6netimi\" width=\"722\" height=\"253\" srcset=\"https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-yonetimi.webp 1600w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-yonetimi-300x105.webp 300w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-yonetimi-1024x358.webp 1024w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-yonetimi-768x269.webp 768w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-yonetimi-1536x538.webp 1536w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-yonetimi-990x347.webp 990w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/log-yonetimi-1320x462.webp 1320w\" sizes=\"auto, (max-width: 722px) 100vw, 722px\" \/><\/figure>\n<div style=\"margin: 1em 0 1.3em;\">\n<div style=\"display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; border-bottom: 1px dashed #efe4da;\"><span style=\"flex: 0 0 24px; width: 24px; height: 24px; line-height: 24px; border-radius: 50%; background: #fff3ea; color: #ea580c; font-weight: bold; font-size: .85em; text-align: center; margin-top: 3px;\">\u2713<\/span><strong>Eri\u015fim yetkileri:<\/strong> Log dosyalar\u0131na yaln\u0131zca yetkili kullan\u0131c\u0131lar\u0131n eri\u015febilmesi sa\u011flanmal\u0131d\u0131r. \u00d6zellikle g\u00fcvenlik ve kimlik do\u011frulama kay\u0131tlar\u0131 korunmal\u0131d\u0131r.<\/div>\n<div style=\"display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; border-bottom: 1px dashed #efe4da;\"><span style=\"flex: 0 0 24px; width: 24px; height: 24px; line-height: 24px; border-radius: 50%; background: #fff3ea; color: #ea580c; font-weight: bold; font-size: .85em; text-align: center; margin-top: 3px;\">\u2713<\/span><strong>Hassas veriler:<\/strong> Parolalar, oturum belirte\u00e7leri ve API anahtarlar\u0131 gibi gizli bilgiler loglara yaz\u0131lmamal\u0131d\u0131r. Ki\u015fisel verilerin kaydedilmesi gerekti\u011finde veri minimizasyonu ilkesi dikkate al\u0131nmal\u0131d\u0131r.<\/div>\n<div style=\"display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; border-bottom: 1px dashed #efe4da;\"><span style=\"flex: 0 0 24px; width: 24px; height: 24px; line-height: 24px; border-radius: 50%; background: #fff3ea; color: #ea580c; font-weight: bold; font-size: .85em; text-align: center; margin-top: 3px;\">\u2713<\/span><strong>Log rotation:<\/strong> S\u00fcrekli b\u00fcy\u00fcyen log dosyalar\u0131 disk alan\u0131n\u0131 t\u00fcketebilir. Log rotation y\u00f6ntemleriyle eski kay\u0131tlar belirlenen politikalara g\u00f6re ar\u015fivlenebilir, s\u0131k\u0131\u015ft\u0131r\u0131labilir veya silinebilir.<\/div>\n<div style=\"display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; border-bottom: 1px dashed #efe4da;\"><span style=\"flex: 0 0 24px; width: 24px; height: 24px; line-height: 24px; border-radius: 50%; background: #fff3ea; color: #ea580c; font-weight: bold; font-size: .85em; text-align: center; margin-top: 3px;\">\u2713<\/span><strong>Merkezi log y\u00f6netimi:<\/strong> Birden fazla sunucu bulunan sistemlerde kay\u0131tlar\u0131n merkezi bir platformda toplanmas\u0131, olaylar\u0131n birlikte de\u011ferlendirilmesini kolayla\u015ft\u0131rabilir.<\/div>\n<div style=\"display: flex; gap: 12px; align-items: flex-start; padding: 10px 0; border-bottom: 1px dashed #efe4da;\"><span style=\"flex: 0 0 24px; width: 24px; height: 24px; line-height: 24px; border-radius: 50%; background: #fff3ea; color: #ea580c; font-weight: bold; font-size: .85em; text-align: center; margin-top: 3px;\">\u2713<\/span><strong>Zaman senkronizasyonu:<\/strong> Sunucular\u0131n do\u011fru saat bilgisi kullanmas\u0131, farkl\u0131 sistemlerdeki olaylar\u0131n kronolojik olarak incelenmesine yard\u0131mc\u0131 olur.<\/div>\n<div style=\"display: flex; gap: 12px; align-items: flex-start; padding: 10px 0;\"><span style=\"flex: 0 0 24px; width: 24px; height: 24px; line-height: 24px; border-radius: 50%; background: #fff3ea; color: #ea580c; font-weight: bold; font-size: .85em; text-align: center; margin-top: 3px;\">\u2713<\/span><strong>D\u00fczenli kontrol:<\/strong> Kritik hatalar ve \u015f\u00fcpheli i\u015flemler i\u00e7in uygun uyar\u0131 mekanizmalar\u0131 olu\u015fturulmal\u0131d\u0131r. B\u00f6ylece \u00f6nemli olaylar\u0131n yaln\u0131zca manuel inceleme s\u0131ras\u0131nda fark edilmesi riski azalt\u0131labilir.<\/div>\n<div><\/div>\n<div>\n<h2 id=\"log-yonetimi\"><span class=\"ez-toc-section\" id=\"Sikca_Sorulan_Sorular\"><\/span><span style=\"font-weight: 400;\">S\u0131k\u00e7a Sorulan Sorular<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\"><style>#sp-ea-1404 .spcollapsing { height: 0; overflow: hidden; transition-property: height;transition-duration: 300ms;}#sp-ea-1404.sp-easy-accordion>.sp-ea-single {margin-bottom: 10px; border: 1px solid #e2e2e2; }#sp-ea-1404.sp-easy-accordion>.sp-ea-single>.ea-header a {color: #444;}#sp-ea-1404.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body {background: #fff; color: #444;}#sp-ea-1404.sp-easy-accordion>.sp-ea-single {background: #eee;}#sp-ea-1404.sp-easy-accordion>.sp-ea-single>.ea-header a .ea-expand-icon { float: left; color: #444;font-size: 16px;}<\/style><div id=\"sp_easy_accordion-1794490893\"><div id=\"sp-ea-1404\" class=\"sp-ea-one sp-easy-accordion\" data-ea-active=\"ea-click\" data-ea-mode=\"vertical\" data-preloader=\"\" data-scroll-active-item=\"\" data-offset-to-scroll=\"0\"><div class=\"ea-card ea-expand sp-ea-single\"><h3 class=\"ea-header\"><span class=\"ez-toc-section\" id=\"Log_kaydi_silinebilir_mi\"><\/span><a class=\"collapsed\" id=\"ea-header-14040\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse14040\" aria-controls=\"collapse14040\" href=\"#\" aria-expanded=\"true\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-minus\"><\/i> Log kayd\u0131 silinebilir mi?<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3><div class=\"sp-collapse spcollapse collapsed show\" id=\"collapse14040\" data-parent=\"#sp-ea-1404\" role=\"region\" aria-labelledby=\"ea-header-14040\"> <div class=\"ea-body\"><p><span style=\"font-weight: 400\">Teknik olarak log kay\u0131tlar\u0131, yeterli yetkiye sahip kullan\u0131c\u0131lar taraf\u0131ndan silinebilir. Ancak yasal saklama y\u00fck\u00fcml\u00fcl\u00fcklerine tabi kay\u0131tlar\u0131n s\u00fcresinden \u00f6nce silinmesi hukuki sorunlara neden olabilir. Ayr\u0131ca loglar\u0131n silinmesi, ge\u00e7mi\u015f olaylar\u0131n ara\u015ft\u0131r\u0131lmas\u0131n\u0131 zorla\u015ft\u0131rabilir.<\/span><\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><span class=\"ez-toc-section\" id=\"Log_kayitlari_kim_tarafindan_tutulur\"><\/span><a class=\"collapsed\" id=\"ea-header-14041\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse14041\" aria-controls=\"collapse14041\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> Log kay\u0131tlar\u0131 kim taraf\u0131ndan tutulur?<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse14041\" data-parent=\"#sp-ea-1404\" role=\"region\" aria-labelledby=\"ea-header-14041\"> <div class=\"ea-body\"><p><span style=\"font-weight: 400\">Log kay\u0131tlar\u0131 i\u015fletim sistemleri, web sunucular\u0131, uygulamalar, veritabanlar\u0131 ve a\u011f cihazlar\u0131 taraf\u0131ndan otomatik olarak olu\u015fturulabilir. Kay\u0131tlar\u0131n saklanmas\u0131 ve y\u00f6netilmesinden sorumlu taraf ise kullan\u0131lan hizmete ve y\u00f6netim modeline g\u00f6re de\u011fi\u015fir.<\/span><\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><span class=\"ez-toc-section\" id=\"Log_kayitlari_IP_adresini_gosterir_mi\"><\/span><a class=\"collapsed\" id=\"ea-header-14042\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse14042\" aria-controls=\"collapse14042\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> Log kay\u0131tlar\u0131 IP adresini g\u00f6sterir mi?<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse14042\" data-parent=\"#sp-ea-1404\" role=\"region\" aria-labelledby=\"ea-header-14042\"> <div class=\"ea-body\"><p><span style=\"font-weight: 400\">Baz\u0131 log kay\u0131tlar\u0131 IP adresi i\u00e7erir. \u00d6zellikle web sunucusu eri\u015fim loglar\u0131nda istemcinin g\u00f6r\u00fcnen IP adresi kaydedilebilir. Ancak t\u00fcm log t\u00fcrlerinde IP adresi bulunmaz. Proxy veya CDN kullan\u0131lan sistemlerde ger\u00e7ek istemci adresinin do\u011fru kaydedilmesi i\u00e7in ek yap\u0131land\u0131rma gerekebilir.<\/span><\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><span class=\"ez-toc-section\" id=\"Log_kaydi_tutmak_zorunlu_mu\"><\/span><a class=\"collapsed\" id=\"ea-header-14043\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse14043\" aria-controls=\"collapse14043\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> Log kayd\u0131 tutmak zorunlu mu?<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse14043\" data-parent=\"#sp-ea-1404\" role=\"region\" aria-labelledby=\"ea-header-14043\"> <div class=\"ea-body\"><p><span style=\"font-weight: 400\">Log kayd\u0131 tutma zorunlulu\u011fu, hizmetin niteli\u011fine ve ilgili mevzuata ba\u011fl\u0131d\u0131r. T\u00fcrkiye'de belirli hizmet sa\u011flay\u0131c\u0131lar i\u00e7in 5651 say\u0131l\u0131 Kanun kapsam\u0131nda kay\u0131t tutma y\u00fck\u00fcml\u00fcl\u00fckleri bulunabilir. Bunun d\u0131\u015f\u0131nda g\u00fcvenlik standartlar\u0131 ve s\u00f6zle\u015fmesel gereklilikler de log tutulmas\u0131n\u0131 gerektirebilir.<\/span><\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><span class=\"ez-toc-section\" id=\"Log_kaydi_ile_log_dosyasi_ayni_sey_mi\"><\/span><a class=\"collapsed\" id=\"ea-header-14044\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse14044\" aria-controls=\"collapse14044\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> Log kayd\u0131 ile log dosyas\u0131 ayn\u0131 \u015fey mi?<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse14044\" data-parent=\"#sp-ea-1404\" role=\"region\" aria-labelledby=\"ea-header-14044\"> <div class=\"ea-body\"><p><span style=\"font-weight: 400\">Tam olarak ayn\u0131 de\u011fildir. Log kayd\u0131, sistemde ger\u00e7ekle\u015fen belirli bir olaya ili\u015fkin bilgidir. Log dosyas\u0131 ise bir veya daha fazla log kayd\u0131n\u0131n sakland\u0131\u011f\u0131 dosyad\u0131r. Log kay\u0131tlar\u0131 dosyalar\u0131n yan\u0131 s\u0131ra veritabanlar\u0131nda veya merkezi kay\u0131t sistemlerinde de tutulabilir.<\/span><\/p><\/div><\/div><\/div><\/div><\/div><\/span><\/p>\n<\/div>\n<\/div>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Log kayd\u0131, bilgisayar sistemlerinde, sunucularda, uygulamalarda ve a\u011f cihazlar\u0131nda ger\u00e7ekle\u015fen i\u015flemlerin kay\u0131t alt\u0131na al\u0131nmas\u0131d\u0131r. Bu kay\u0131tlar; sistem hatalar\u0131n\u0131n tespit edilmesi, kullan\u0131c\u0131 etkinliklerinin izlenmesi ve g\u00fcvenlik olaylar\u0131n\u0131n incelenmesi i\u00e7in kullan\u0131l\u0131r. Log kay\u0131tlar\u0131 sayesinde bir sistemde hangi i\u015flemin, ne zaman ve hangi ko\u015fullarda ger\u00e7ekle\u015fti\u011fi hakk\u0131nda bilgi edinilebilir. Log Kayd\u0131 Ne \u0130\u015fe Yarar? Log kay\u0131tlar\u0131, sistemlerde ger\u00e7ekle\u015fen olaylar\u0131n [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":1408,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,9],"tags":[405,404,401,402,403,407,406],"class_list":["post-1403","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sunucu","category-teknoloji","tag-log-analizi","tag-log-dosyasi","tag-log-kaydi","tag-log-kaydi-nedir","tag-log-kaydi-turleri","tag-log-yonetimi","tag-sunucu-loglari"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Log Kayd\u0131 Nedir? 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