{"id":598,"date":"2025-09-10T15:58:08","date_gmt":"2025-09-10T12:58:08","guid":{"rendered":"https:\/\/destek.narhost.com\/?p=598"},"modified":"2026-09-12T05:49:43","modified_gmt":"2026-09-12T02:49:43","slug":"centos-sistem-saatini-guncelleme","status":"publish","type":"post","link":"https:\/\/narhost.com\/destek\/centos-sistem-saatini-guncelleme\/","title":{"rendered":"Sunucuda Saat Dilimi (Timezone) Nas\u0131l Ayarlan\u0131r (VPS \u0130lk Kurulum 10\/10)"},"content":{"rendered":"<p class=\"kb-dogrulama\">Son g\u00f6zden ge\u00e7irme: Eyl\u00fcl 2026 \u00b7 AlmaLinux 9 ve Ubuntu 24.04 resm\u00ee dok\u00fcman\u0131na g\u00f6re<\/p>\n<div id=\"hizli-cozum\" class=\"ai-box ai-box--cozum\">\n<p class=\"ai-box-title\">H\u0131zl\u0131 \u00e7\u00f6z\u00fcm<\/p>\n<p>Sunucu saat dilimi nas\u0131l ayarlan\u0131r sorusunun cevab\u0131 tek komuttur: <code>timedatectl set-timezone Europe\/Istanbul<\/code> saat dilimini de\u011fi\u015ftirir, <code>timedatectl set-ntp true<\/code> ise saatin a\u011f \u00fczerinden s\u00fcrekli senkronize kalmas\u0131n\u0131 sa\u011flar.<\/p>\n<ol>\n<li>SSH ile sunucunuza root veya sudo yetkili bir kullan\u0131c\u0131yla ba\u011flan\u0131n.<\/li>\n<li><code>timedatectl<\/code> yazarak mevcut saat dilimini ve senkronizasyon durumunu g\u00f6r\u00fcn.<\/li>\n<li><code>timedatectl set-timezone Europe\/Istanbul<\/code> ile b\u00f6lgeyi ayarlay\u0131n.<\/li>\n<li><code>timedatectl set-ntp true<\/code> ile NTP senkronizasyonunu a\u00e7\u0131k tutun.<\/li>\n<\/ol>\n<\/div>\n<table class=\"kb-uyg\">\n<tr>\n<th>Panel<\/th>\n<td>Yok \u2014 SSH \/ komut sat\u0131r\u0131<\/td>\n<\/tr>\n<tr>\n<th>Sistem<\/th>\n<td>AlmaLinux 9, Ubuntu 22.04\/24.04 (VPS\/VDS)<\/td>\n<\/tr>\n<tr>\n<th>Yetki<\/th>\n<td>root veya sudo yetkili kullan\u0131c\u0131<\/td>\n<\/tr>\n<tr>\n<th>Narhost \u00fcr\u00fcn\u00fc<\/th>\n<td><a href=\"https:\/\/narhost.com\/vps-sunucu\" title=\"Narhost VPS Sunucu paketleri\">VPS Sunucu<\/a>, VDS Sunucu<\/td>\n<\/tr>\n<\/table>\n<div class=\"kb-once\">\n<p class=\"label\">Ba\u015flamadan \u00f6nce<\/p>\n<ul>\n<li>Sunucuya <a href=\"https:\/\/narhost.com\/destek\/sunucuya-ssh-ile-nasil-baglanilir\/\" title=\"Sunucuya SSH ile ba\u011flanma \u2014 Narhost Destek\">SSH ile ba\u011flanabiliyor<\/a> olman\u0131z gerekir.<\/li>\n<li>root ya da sudo yetkili bir kullan\u0131c\u0131 hesab\u0131n\u0131z olmal\u0131.<\/li>\n<li>Sunucunun AlmaLinux mu, Ubuntu mu, yoksa Debian m\u0131 \u00e7al\u0131\u015ft\u0131rd\u0131\u011f\u0131n\u0131 bilin; komut ayn\u0131d\u0131r, yaln\u0131zca arka planda \u00e7al\u0131\u015fan senkronizasyon servisinin ad\u0131 de\u011fi\u015fir.<\/li>\n<li>Panel kuruluysa (cPanel\/Plesk) panelin taray\u0131c\u0131da g\u00f6sterdi\u011fi saatle sunucu sistem saatinin farkl\u0131 \u015feyler oldu\u011funu a\u015fa\u011f\u0131da okuyun.<\/li>\n<\/ul>\n<\/div>\n<h2>Saat Dilimi Ve NTP Senkronizasyonu Neden \u00d6nemli<\/h2>\n<p>Sunucu saati yanl\u0131\u015f b\u00f6lgede ya da senkronize de\u011filse g\u00fcnl\u00fck kay\u0131tlar\u0131 (log) ger\u00e7ek olay zaman\u0131n\u0131 yans\u0131tmaz ve bir sorunu ara\u015ft\u0131rmak zorla\u015f\u0131r. Cron ile zamanlanan g\u00f6revler bekledi\u011finiz saatte de\u011fil, sistemin o an g\u00f6sterdi\u011fi saatte \u00e7al\u0131\u015f\u0131r. SSL\/TLS sertifika do\u011frulamas\u0131 saat fark\u0131 b\u00fcy\u00fckse ba\u015far\u0131s\u0131z olabilir; giden e-postalardaki tarih ba\u015fl\u0131\u011f\u0131 da yanl\u0131\u015f g\u00f6r\u00fcn\u00fcr. AlmaLinux&#8217;ta bu senkronizasyonu <code>chronyd<\/code>, Ubuntu&#8217;da <code>systemd-timesyncd<\/code> servisi y\u00fcr\u00fct\u00fcr; ikisi de ayn\u0131 NTP mant\u0131\u011f\u0131yla \u00e7al\u0131\u015f\u0131r, yaln\u0131zca servis ad\u0131 de\u011fi\u015fir.<\/p>\n<figure class=\"nh-sema\"><img src=\"https:\/\/narhost.com\/destek\/wp-content\/uploads\/2026\/09\/centos-sistem-saatini-guncelleme-sema-narhost.webp\" alt=\"Sunucu saat dilimi nas\u0131l ayarlan\u0131r ad\u0131mlar\u0131 \u2014 timedatectl ak\u0131\u015f\u0131\" width=\"1200\" height=\"500\" loading=\"lazy\" decoding=\"async\"><figcaption>Kontrolden do\u011frulamaya d\u00f6rt ad\u0131ml\u0131 ak\u0131\u015f: mevcut ayar\u0131 g\u00f6r, b\u00f6lgeyi ayarla, NTP senkronizasyonunu a\u00e7, do\u011frula.<\/figcaption><\/figure>\n<h2>Sunucu Saat Dilimi Nas\u0131l Ayarlan\u0131r \u2014 Ad\u0131m Ad\u0131m<\/h2>\n<p>A\u015fa\u011f\u0131daki ad\u0131mlar hem AlmaLinux 9 hem Ubuntu 22.04\/24.04 i\u00e7in ayn\u0131 komutla uygulan\u0131r.<\/p>\n<ol class=\"kb-adimlar\">\n<li><strong>SSH ile ba\u011flan\u0131n.<\/strong> Ba\u011flant\u0131 ad\u0131mlar\u0131n\u0131 <a href=\"https:\/\/narhost.com\/destek\/sunucuya-ssh-ile-nasil-baglanilir\/\" title=\"Sunucuya SSH ile ba\u011flanma \u2014 Narhost Destek\">sunucuya SSH ile ba\u011flanma<\/a> kart\u0131nda anlatt\u0131k.<\/li>\n<li><strong>Mevcut durumu g\u00f6r\u00fcnt\u00fcleyin.<\/strong> A\u015fa\u011f\u0131daki komut ge\u00e7erli saat dilimini, yerel saati ve senkronizasyon durumunu listeler.\n<pre><code class=\"language-bash\">timedatectl<\/code><\/pre>\n<p class=\"kb-cikti\">Beklenen sonu\u00e7: &#8220;Time zone&#8221;, &#8220;Local time&#8221; ve &#8220;System clock synchronized&#8221; sat\u0131rlar\u0131 g\u00f6r\u00fcn\u00fcr.<\/p>\n<\/li>\n<li><strong>Kullan\u0131labilir saat dilimlerini listeleyin.<\/strong> T\u00fcrkiye i\u00e7in do\u011fru IANA ad\u0131n\u0131 bulmak \u00fczere filtreleyin.\n<pre><code class=\"language-bash\">timedatectl list-timezones | grep Istanbul<\/code><\/pre>\n<\/li>\n<li><strong>Saat dilimini ayarlay\u0131n.<\/strong> Buldu\u011funuz b\u00f6lge ad\u0131n\u0131 kullanarak de\u011fi\u015ftirin; t\u00fcm se\u00e7enekler <a href=\"https:\/\/man7.org\/linux\/man-pages\/man1\/timedatectl.1.html\" title=\"timedatectl resmi man sayfas\u0131\" target=\"_blank\" rel=\"noopener\">timedatectl&#8217;in resm\u00ee man sayfas\u0131nda<\/a> listelidir.\n<pre><code class=\"language-bash\">timedatectl set-timezone Europe\/Istanbul<\/code><\/pre>\n<p class=\"kb-cikti\">Beklenen sonu\u00e7: komut \u00e7\u0131kt\u0131 vermez, <code>timedatectl<\/code> tekrar \u00e7al\u0131\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda yeni b\u00f6lge g\u00f6r\u00fcn\u00fcr.<\/p>\n<\/li>\n<li><strong>NTP senkronizasyonunu a\u00e7\u0131n.<\/strong> Sistem saatinin sapmamas\u0131 i\u00e7in a\u011f zaman senkronizasyonunu etkinle\u015ftirin.\n<pre><code class=\"language-bash\">timedatectl set-ntp true<\/code><\/pre>\n<\/li>\n<li><strong>Senkronizasyon servisini kontrol edin.<\/strong> AlmaLinux&#8217;ta:\n<pre><code class=\"language-bash\">systemctl status chronyd<\/code><\/pre>\n<p>Ubuntu&#8217;da <a href=\"https:\/\/man7.org\/linux\/man-pages\/man8\/systemd-timesyncd.service.8.html\" title=\"systemd-timesyncd resmi man sayfas\u0131\" target=\"_blank\" rel=\"noopener\">systemd-timesyncd<\/a> servisi ayn\u0131 g\u00f6revi g\u00f6r\u00fcr:<\/p>\n<pre><code class=\"language-bash\">systemctl status systemd-timesyncd<\/code><\/pre>\n<p class=\"kb-cikti\">Beklenen sonu\u00e7: servis durumu &#8220;active (running)&#8221; g\u00f6sterir.<\/p>\n<\/li>\n<li><strong>Donan\u0131m saati ile sistem saatini ay\u0131rt edin.<\/strong> Anakart \u00fczerindeki donan\u0131m saati (RTC) genelde UTC tutulur; <code>timedatectl<\/code> \u00e7\u0131kt\u0131s\u0131ndaki &#8220;Local time&#8221; ise se\u00e7ti\u011finiz saat dilimine g\u00f6re hesaplanan de\u011ferdir. \u0130kisini kar\u0131\u015ft\u0131rmak, \u00e7ift kay\u0131t tarihi gibi g\u00f6r\u00fcnen yanl\u0131\u015f yorumlara yol a\u00e7ar.<\/li>\n<li><strong>Panel kurulu sunucuda not.<\/strong> cPanel veya Plesk aray\u00fcz\u00fc taray\u0131c\u0131n\u0131z\u0131n kendi saatini g\u00f6sterir, sunucunun sistem saatini de\u011fi\u015ftirmez; g\u00fcnl\u00fckler ve zamanlanm\u0131\u015f g\u00f6revler yine i\u015fletim sistemi saatini esas al\u0131r.<\/li>\n<li><strong>PHP taraf\u0131nda ayr\u0131 saat dilimi.<\/strong><code>php.ini<\/code> i\u00e7indeki a\u015fa\u011f\u0131daki sat\u0131r, i\u015fletim sistemi saatinden ba\u011f\u0131ms\u0131z \u00e7al\u0131\u015f\u0131r ve baz\u0131 uygulamalarda ayr\u0131ca ayarlanmas\u0131 gerekir.\n<pre><code>date.timezone = \"Europe\/Istanbul\"<\/code><\/pre>\n<p>Panel kuruluysa bu de\u011fer MultiPHP INI D\u00fczenleyici&#8217;den de de\u011fi\u015ftirilebilir.<\/li>\n<li><strong>Do\u011frulay\u0131n.<\/strong> Son kontrol i\u00e7in komutu tekrar \u00e7al\u0131\u015ft\u0131r\u0131n.\n<pre><code class=\"language-bash\">timedatectl<\/code><\/pre>\n<p class=\"kb-cikti\">Beklenen sonu\u00e7: &#8220;Time zone: Europe\/Istanbul&#8221; ve &#8220;System clock synchronized: yes&#8221; sat\u0131rlar\u0131 g\u00f6r\u00fcn\u00fcr.<\/p>\n<\/li>\n<\/ol>\n<h2>Do\u011frulama<\/h2>\n<div class=\"success-box\">\n<p class=\"label\">Sonu\u00e7<\/p>\n<p><code>timedatectl<\/code> \u00e7\u0131kt\u0131s\u0131nda do\u011fru b\u00f6lge ad\u0131 ve &#8220;System clock synchronized: yes&#8221; sat\u0131r\u0131 g\u00f6r\u00fcn\u00fcyorsa ayar tamamlanm\u0131\u015ft\u0131r. <code>date<\/code> komutuyla yerel saatin bekledi\u011finiz saatle e\u015fle\u015fti\u011fini de kontrol edebilirsiniz.<\/p>\n<\/div>\n<h2>H\u00e2l\u00e2 \u00c7\u00f6z\u00fclmediyse<\/h2>\n<ul>\n<li><strong>&#8220;System clock synchronized: no&#8221; g\u00f6r\u00fcn\u00fcyor.<\/strong> NTP servisi a\u011f \u00fczerinden zaman sunucusuna ula\u015fam\u0131yor olabilir; sa\u011flay\u0131c\u0131n\u0131n g\u00fcvenlik duvar\u0131nda UDP 123 portunun kapal\u0131 olup olmad\u0131\u011f\u0131n\u0131 kontrol edin.<\/li>\n<li><strong>Saat dilimi listede bulunam\u0131yor.<\/strong> IANA veritaban\u0131 ad\u0131 tam yaz\u0131lmal\u0131d\u0131r (<code>Europe\/Istanbul<\/code> gibi); <code>timedatectl list-timezones<\/code> \u00e7\u0131kt\u0131s\u0131n\u0131 farkl\u0131 anahtar kelimeyle tekrar filtreleyin.<\/li>\n<li><strong>Panelde h\u00e2l\u00e2 farkl\u0131 bir saat g\u00f6r\u00fcn\u00fcyor.<\/strong> Panel aray\u00fcz\u00fc taray\u0131c\u0131 saatini yans\u0131t\u0131r; taray\u0131c\u0131 \u00f6nbelle\u011fini temizleyip tekrar kontrol edin, sistem saatiyle ilgisi yoktur.<\/li>\n<\/ul>\n<div class=\"cta-box\">\n<p class=\"label\">Narhost deste\u011fi<\/p>\n<p>Talebe \u015funlar\u0131 ekleyin: sunucu IP adresiniz veya alan ad\u0131n\u0131z, i\u015fletim sistemi s\u00fcr\u00fcm\u00fc, <code>timedatectl<\/code> \u00e7\u0131kt\u0131s\u0131n\u0131n tamam\u0131 ve panel t\u00fcr\u00fc (varsa).<\/p>\n<p><a class=\"cta-btn\" href=\"https:\/\/narhost.com\/submitticket.php\" title=\"Narhost destek talebi olu\u015ftur\">Destek talebi a\u00e7<\/a><\/div>\n<div class=\"kb-ilgili\">\n<p class=\"label\">VPS ilk kurulum serisi \u2014 10\/10<\/p>\n<ul>\n<li><a href=\"https:\/\/narhost.com\/destek\/vps-vds-ilk-kurulum-rehberi\/\" title=\"VPS VDS Sunucu \u0130lk Kurulum Rehberi \u2014 Narhost Destek\">VPS\/VDS ilk kurulum rehberinin tamam\u0131<\/a><\/li>\n<li><a href=\"https:\/\/narhost.com\/destek\/ubuntu-xfs-disk-genisletme\/\" title=\"Ubuntu&#039;da XFS disk nas\u0131l geni\u015fletilir \u2014 Narhost Destek\">\u00d6nceki ad\u0131m \u2014 Ubuntu&#8217;da XFS disk geni\u015fletme (8\/10)<\/a><\/li>\n<li><a href=\"https:\/\/narhost.com\/destek\/linux-kullanici-ekleme-sudo-yetkisi\/\" title=\"Linux sunucuda yeni kullan\u0131c\u0131 ekleme ve sudo yetkisi verme \u2014 Narhost Destek\">\u00d6nceki ad\u0131m \u2014 Yeni kullan\u0131c\u0131 ekleme ve sudo yetkisi (9\/10)<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"kb-faq\">\n<h2>S\u0131k\u00e7a Sorulan Sorular<\/h2>\n<h3>Sunucu saat dilimi nas\u0131l ayarlan\u0131r, tek komutla m\u0131 yap\u0131l\u0131r?<\/h3>\n<p>Evet, <code>timedatectl set-timezone Europe\/Istanbul<\/code> tek komutla saat dilimini de\u011fi\u015ftirir; a\u011f \u00fczerinden s\u00fcrekli senkronizasyon ayr\u0131 bir ayard\u0131r ve <code>timedatectl set-ntp true<\/code> ile a\u00e7\u0131l\u0131r.<\/p>\n<h3>AlmaLinux ile Ubuntu&#8217;da komutlar farkl\u0131 m\u0131?<\/h3>\n<p>Hay\u0131r, <code>timedatectl<\/code> her iki sistemde de ayn\u0131 \u015fekilde \u00e7al\u0131\u015f\u0131r; farkl\u0131l\u0131k yaln\u0131zca arka planda zaman\u0131 senkronize eden servisin ad\u0131ndad\u0131r (AlmaLinux&#8217;ta <code>chronyd<\/code>, Ubuntu&#8217;da <code>systemd-timesyncd<\/code>).<\/p>\n<h3>Donan\u0131m saati (RTC) ile sistem saati ayn\u0131 \u015fey mi?<\/h3>\n<p>Hay\u0131r, donan\u0131m saati anakart \u00fczerindeki pille \u00e7al\u0131\u015fan ve genelde UTC tutulan saattir; <code>timedatectl<\/code> \u00e7\u0131kt\u0131s\u0131ndaki &#8220;Local time&#8221; ise se\u00e7ti\u011finiz saat dilimine g\u00f6re hesaplanan de\u011ferdir.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Sunucu saat dilimi nas\u0131l ayarlan\u0131r: timedatectl ile saat dilimi listeleme ve ayarlama, NTP senkronizasyonu, donan\u0131m saati ve UTC ayr\u0131m\u0131, panel kurulu sunucuda etkisi, PHP date.timezone ve do\u011frulama.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[218],"class_list":["post-598","post","type-post","status-publish","format-standard","hentry","category-vps-server","tag-ntp"],"meta_box":[],"_links":{"self":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts\/598","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/comments?post=598"}],"version-history":[{"count":2,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts\/598\/revisions"}],"predecessor-version":[{"id":689,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts\/598\/revisions\/689"}],"wp:attachment":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/media?parent=598"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/categories?post=598"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/tags?post=598"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}