{"id":3016,"date":"2026-10-29T10:00:00","date_gmt":"2026-10-29T07:00:00","guid":{"rendered":"https:\/\/narhost.com\/destek\/?p=3016"},"modified":"2026-10-29T20:58:39","modified_gmt":"2026-10-29T17:58:39","slug":"ubuntu-saat-esitleme-ntp","status":"publish","type":"post","link":"https:\/\/narhost.com\/destek\/ubuntu-saat-esitleme-ntp\/","title":{"rendered":"Ubuntu Sunucuda Saat E\u015fitleme Nas\u0131l Yap\u0131l\u0131r (timedatectl ve NTP)"},"content":{"rendered":"<p class=\"kb-dogrulama\">Son g\u00f6zden ge\u00e7irme: Ekim 2026 \u00b7 Ubuntu 24.04 timedatectl ve timesyncd resm\u00ee belgelerine 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><strong>Ubuntu saat e\u015fitleme NTP<\/strong> ayar\u0131, sunucu saatinin internet \u00fczerindeki zaman sunucular\u0131yla otomatik e\u015fitlenmesini sa\u011flar. Ubuntu 22.04 ve 24.04&#8217;te bu i\u015fi <code>systemd-timesyncd<\/code> yapar ve <code>timedatectl<\/code> ile y\u00f6netilir:<\/p>\n<ol>\n<li><code>timedatectl<\/code> ile saati, saat dilimini ve e\u015fitleme durumunu g\u00f6r\u00fcn.<\/li>\n<li>Saat dilimini <code>sudo timedatectl set-timezone Europe\/Istanbul<\/code> ile ayarlay\u0131n.<\/li>\n<li>E\u015fitlemeyi <code>sudo timedatectl set-ntp true<\/code> ile a\u00e7\u0131n.<\/li>\n<li><code>timedatectl timesync-status<\/code> ile hangi sunucuyla e\u015fitlendi\u011fini do\u011frulay\u0131n.<\/li>\n<\/ol>\n<\/div>\n<table class=\"kb-uyg\">\n<tr>\n<th>Panel<\/th>\n<td>SSH (komut sat\u0131r\u0131)<\/td>\n<\/tr>\n<tr>\n<th>Sistem<\/th>\n<td>Ubuntu 22.04 ve 24.04 (systemd-timesyncd); 25.04 ve sonras\u0131 chrony<\/td>\n<\/tr>\n<tr>\n<th>Yetki<\/th>\n<td>root ya da sudo<\/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 sudo yetkili bir kullan\u0131c\u0131yla ba\u011flan\u0131n.<\/li>\n<li>Uygulaman\u0131z\u0131n hangi saat dilimini bekledi\u011fini \u00f6\u011frenin; baz\u0131 uygulamalar UTC ister.<\/li>\n<li>G\u00fcvenlik duvar\u0131nda giden UDP 123 trafi\u011finin kapal\u0131 olmad\u0131\u011f\u0131ndan emin olun.<\/li>\n<\/ul>\n<\/div>\n<h2>Ubuntu saat e\u015fitleme NTP neden \u00f6nemli<\/h2>\n<p>Sunucu saatindeki birka\u00e7 dakikal\u0131k kayma bile sorun \u00e7\u0131kar\u0131r: SSL sertifikalar\u0131 &#8220;hen\u00fcz ge\u00e7erli de\u011fil&#8221; g\u00f6r\u00fcn\u00fcr, zamanlanm\u0131\u015f g\u00f6revler yanl\u0131\u015f saatte \u00e7al\u0131\u015f\u0131r, g\u00fcnl\u00fck kay\u0131tlar\u0131 ba\u015fka sistemlerle kar\u015f\u0131la\u015ft\u0131r\u0131lamaz ve iki ad\u0131ml\u0131 do\u011frulama kodlar\u0131 reddedilir. NTP, saati internet \u00fczerindeki zaman sunucular\u0131yla s\u00fcrekli e\u015fitleyerek bu kaymay\u0131 \u00f6nler.<\/p>\n<p><a href=\"https:\/\/documentation.ubuntu.com\/server\/how-to\/networking\/timedatectl-and-timesyncd\/\" title=\"Ubuntu Server belgesi \u2014 timedatectl ve timesyncd\" target=\"_blank\" rel=\"noopener\">Ubuntu Server belgesine<\/a> g\u00f6re <code>systemd-timesyncd<\/code> varsay\u0131lan kurulumun par\u00e7as\u0131yd\u0131; Ubuntu 25&#8217;ten itibaren yerini <code>chrony<\/code> ald\u0131. Belge, chrony kuruluysa <code>timedatectl<\/code>&#8216;in e\u015fitlemeyi ona b\u0131rakt\u0131\u011f\u0131n\u0131 belirtir. Bu kart 22.04 ve 24.04 i\u00e7indir; varsay\u0131lan zaman sunucusu <code>ntp.ubuntu.com<\/code>&#8216;dur.<\/p>\n<figure class=\"nh-sema\"><img src=\"https:\/\/narhost.com\/destek\/wp-content\/uploads\/2026\/10\/ubuntu-saat-esitleme-ntp-sema-narhost.webp\" alt=\"ubuntu saat e\u015fitleme ntp \u015femas\u0131 \u2014 durum, saat dilimi, e\u015fitleme ve do\u011frulama\" width=\"1200\" height=\"500\" loading=\"lazy\" decoding=\"async\"><figcaption>E\u015fitleme a\u00e7\u0131kken sistem saati kademeli d\u00fczeltir; elle s\u0131\u00e7rama gerekmez.<\/figcaption><\/figure>\n<h2>Ad\u0131m ad\u0131m saat e\u015fitleme<\/h2>\n<ol class=\"kb-adimlar\">\n<li><strong>Durumu okuyun.<\/strong>\n<pre><code class=\"language-bash\">timedatectl<\/code><\/pre>\n<p class=\"kb-cikti\">Beklenen sonu\u00e7: <code>Local time<\/code>, <code>Time zone<\/code>, <code>System clock synchronized: yes<\/code> ve <code>NTP service: active<\/code> sat\u0131rlar\u0131 g\u00f6r\u00fcn\u00fcr. E\u015fitleme kapal\u0131ysa son iki sat\u0131r <code>no<\/code> ve <code>inactive<\/code> olur.<\/p>\n<\/li>\n<li><strong>Saat dilimini ayarlay\u0131n.<\/strong>\n<pre><code class=\"language-bash\">sudo timedatectl set-timezone Europe\/Istanbul<\/code><\/pre>\n<p class=\"kb-cikti\">Beklenen sonu\u00e7: <code>timedatectl<\/code> \u00e7\u0131kt\u0131s\u0131nda <code>Time zone: Europe\/Istanbul (+03, +0300)<\/code> g\u00f6r\u00fcn\u00fcr. Ge\u00e7erli adlar\u0131n listesi <code>timedatectl list-timezones<\/code> ile al\u0131n\u0131r.<\/p>\n<\/li>\n<li><strong>E\u015fitlemeyi a\u00e7\u0131n.<\/strong>\n<pre><code class=\"language-bash\">sudo timedatectl set-ntp true<\/code><\/pre>\n<\/li>\n<li><strong>\u0130sterseniz zaman sunucusunu de\u011fi\u015ftirin.<\/strong><code>\/etc\/systemd\/timesyncd.conf<\/code> dosyas\u0131nda <code>[Time]<\/code> b\u00f6l\u00fcm\u00fcne kendi sunucular\u0131n\u0131z\u0131 yaz\u0131n, ard\u0131ndan hizmeti yeniden ba\u015flat\u0131n:\n<pre><code class=\"language-bash\">[Time]\nNTP=0.tr.pool.ntp.org 1.tr.pool.ntp.org\nFallbackNTP=ntp.ubuntu.com<\/code><\/pre>\n<pre><code class=\"language-bash\">sudo systemctl restart systemd-timesyncd<\/code><\/pre>\n<p class=\"kb-cikti\">Ayarlar\u0131n anlam\u0131 <a href=\"https:\/\/manpages.ubuntu.com\/manpages\/noble\/man5\/timesyncd.conf.5.html\" title=\"Ubuntu k\u0131lavuz sayfas\u0131 \u2014 timesyncd.conf\" target=\"_blank\" rel=\"noopener\">timesyncd.conf k\u0131lavuz sayfas\u0131nda<\/a>.<\/p>\n<\/li>\n<\/ol>\n<p>\u00d6rnekteki <code>tr.pool.ntp.org<\/code> adresleri, g\u00f6n\u00fcll\u00fclerin i\u015fletti\u011fi zaman sunucular\u0131n\u0131 b\u00f6lgelere g\u00f6re da\u011f\u0131tan <a href=\"https:\/\/www.ntppool.org\/zone\/tr\" title=\"NTP Pool Projesi \u2014 T\u00fcrkiye b\u00f6lgesi zaman sunucular\u0131\" target=\"_blank\" rel=\"noopener\">NTP Pool Projesi&#8217;nin T\u00fcrkiye b\u00f6lgesidir<\/a>. Varsay\u0131lan <code>ntp.ubuntu.com<\/code> sunucusu da \u00e7o\u011fu kullan\u0131m i\u00e7in yeterlidir; sunucuyu de\u011fi\u015ftirmek genellikle yaln\u0131z kurumsal bir zaman kayna\u011f\u0131na ba\u011flanmak gerekti\u011finde ya da a\u011f\u0131n\u0131z belirli adreslere \u00e7\u0131k\u0131\u015fa izin verdi\u011finde anlaml\u0131d\u0131r.<\/p>\n<div class=\"warn-box\">\n<p class=\"label\">Dikkat<\/p>\n<p>Saati <code>date<\/code> komutuyla elle b\u00fcy\u00fck \u00f6l\u00e7\u00fcde ileri ya da geri almay\u0131n. \u00c7al\u0131\u015fan veritabanlar\u0131, zamanlanm\u0131\u015f g\u00f6revler ve g\u00fcnl\u00fckler ani s\u0131\u00e7ramada tutars\u0131z kalabilir. E\u015fitleme a\u00e7\u0131kken sistem saati kademeli d\u00fczeltir; elle de\u011fi\u015fiklik yaln\u0131z e\u015fitleme kapal\u0131yken ve hizmetler durdurulmu\u015fken yap\u0131lmal\u0131d\u0131r.<\/p>\n<\/div>\n<h2>Do\u011frulama<\/h2>\n<div class=\"success-box\">\n<p class=\"label\">Sonu\u00e7<\/p>\n<p><code>timedatectl timesync-status<\/code> komutu <code>Server:<\/code> sat\u0131r\u0131nda bir zaman sunucusu ve k\u00fc\u00e7\u00fck bir <code>Offset<\/code> de\u011feri g\u00f6steriyor, <code>timedatectl<\/code> da <code>System clock synchronized: yes<\/code> diyorsa Ubuntu saat e\u015fitleme NTP ayar\u0131 \u00e7al\u0131\u015f\u0131yordur.<\/p>\n<\/div>\n<h2>H\u00e2l\u00e2 \u00e7\u00f6z\u00fclmediyse<\/h2>\n<ul>\n<li><strong>E\u015fitleme hi\u00e7 ger\u00e7ekle\u015fmiyor.<\/strong> Giden UDP 123 trafi\u011fi engelleniyor olabilir; UFW kurallar\u0131 i\u00e7in <a href=\"https:\/\/narhost.com\/destek\/ufw-guvenlik-duvari-kurulumu\/\" title=\"UFW G\u00fcvenlik Duvar\u0131 Kurulumu \u2014 Narhost Destek Merkezi\">UFW g\u00fcvenlik duvar\u0131 kurulumu<\/a> kart\u0131na bak\u0131n.<\/li>\n<li><strong>Zaman sunucusunun ad\u0131 \u00e7\u00f6z\u00fclm\u00fcyor.<\/strong> Sunucunun DNS ayar\u0131 bozuktur; <a href=\"https:\/\/narhost.com\/destek\/temporary-failure-in-name-resolution\/\" title=\"Temporary Failure in Name Resolution Hatas\u0131 \u2014 Narhost Destek Merkezi\">Temporary failure in name resolution<\/a> kart\u0131ndaki ad\u0131mlar\u0131 uygulay\u0131n.<\/li>\n<li><strong>Cron g\u00f6revleri yanl\u0131\u015f saatte \u00e7al\u0131\u015f\u0131yor.<\/strong> Saat dilimini d\u00fczelttikten sonra cron hizmetini yeniden ba\u015flat\u0131n; cron kullan\u0131m\u0131 <a href=\"https:\/\/narhost.com\/destek\/ubuntu-crontaba-satir-nasil-eklenir\/\" title=\"Ubuntu Crontab&#039;a Sat\u0131r Nas\u0131l Eklenir \u2014 Narhost Destek Merkezi\">Ubuntu crontab&#8217;a sat\u0131r nas\u0131l eklenir<\/a> kart\u0131nda.<\/li>\n<\/ul>\n<div class=\"cta-box\">\n<p class=\"label\">Narhost deste\u011fi<\/p>\n<p>VPS ve VDS sunucular y\u00f6netimsizdir; saat ve NTP ayarlar\u0131 sizin sorumlulu\u011funuzdad\u0131r. A\u011f eri\u015fimiyle ilgili bir sorun g\u00f6r\u00fcyorsan\u0131z talebe sunucu ad\u0131n\u0131 ve <code>timedatectl timesync-status<\/code> \u00e7\u0131kt\u0131s\u0131n\u0131 ekleyin.<\/p>\n<p><a class=\"cta-btn\" href=\"https:\/\/narhost.com\/submitticket.php\" title=\"Narhost destek talebi a\u00e7\">Destek talebi a\u00e7<\/a><\/div>\n<div class=\"kb-ilgili\">\n<p class=\"label\">Sonraki ad\u0131mlar<\/p>\n<ul>\n<li><a href=\"https:\/\/narhost.com\/destek\/vps-vds-ilk-kurulum-rehberi\/\" title=\"VPS VDS Sunucu \u0130lk Kurulum Rehberi - Narhost Destek\">VPS VDS Sunucu \u0130lk Kurulum Rehberi (konu merkezi)<\/a><\/li>\n<li><a href=\"https:\/\/narhost.com\/destek\/centos-sistem-saatini-guncelleme\/\" title=\"CentOS&#039;ta Sistem Saatini G\u00fcncelleme \u2014 Narhost Destek Merkezi\">CentOS&#8217;ta sistem saatini g\u00fcncelleme<\/a><\/li>\n<li><a href=\"https:\/\/narhost.com\/destek\/ubuntu-otomatik-guvenlik-guncellemeleri\/\" title=\"Ubuntu Otomatik G\u00fcvenlik G\u00fcncellemeleri \u2014 Narhost Destek Merkezi\">Ubuntu otomatik g\u00fcvenlik g\u00fcncellemeleri<\/a><\/li>\n<li><a href=\"https:\/\/narhost.com\/destek\/permitrootlogin-no-ubuntu\/\" title=\"Ubuntu 24.04&#039;te SSH ile Root Giri\u015fini Kapatma \u2014 Narhost Destek Merkezi\">Ubuntu 24.04&#8217;te SSH ile root giri\u015fini kapatma<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"kb-faq\">\n<h2>S\u0131k\u00e7a sorulan sorular<\/h2>\n<h3>Sunucu saat dilimi UTC mi \u0130stanbul mu olmal\u0131?<\/h3>\n<p>Birden fazla \u00fclkeye hizmet veren uygulamalarda sunucuyu UTC&#8217;de tutup saat dilimini uygulamada y\u00f6netmek yayg\u0131nd\u0131r. Yaln\u0131z T\u00fcrkiye&#8217;ye hizmet veren ve g\u00fcnl\u00fckleri yerel saatle okumak istedi\u011finiz sunucularda Europe\/Istanbul pratiktir. \u00d6nemli olan se\u00e7imi bilin\u00e7li yap\u0131p de\u011fi\u015ftirmemektir.<\/p>\n<h3>timesyncd ile chrony aras\u0131ndaki fark ne?<\/h3>\n<p>timesyncd yaln\u0131z istemci olarak \u00e7al\u0131\u015fan hafif bir e\u015fitleme hizmetidir. chrony daha ayr\u0131nt\u0131l\u0131 ayar sunar, a\u011fdaki di\u011fer cihazlara zaman sa\u011flayabilir ve g\u00fcvenli zaman protokol\u00fcn\u00fc destekler. Ubuntu 25 ve sonras\u0131nda varsay\u0131lan chrony&#8217;dir.<\/p>\n<h3>Saat neden kayar?<\/h3>\n<p>Sunucular\u0131n donan\u0131m saatleri zamanla k\u00fc\u00e7\u00fck sapmalar biriktirir; sanal sunucularda bu sapma ana makinenin y\u00fck\u00fcne g\u00f6re de\u011fi\u015febilir. E\u015fitleme a\u00e7\u0131k oldu\u011fu s\u00fcrece sapma s\u00fcrekli d\u00fczeltilir ve fark edilmez.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Ubuntu 22.04 ve 24.04&#8217;te saat e\u015fitleme NTP ayar\u0131: timedatectl ile durum okuma, Europe\/Istanbul saat dilimi, set-ntp true, timesyncd.conf&#8217;ta zaman sunucusu ve timesync-status ile do\u011frulama; Ubuntu 25 sonras\u0131 chrony notu.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,13],"tags":[218,317],"class_list":["post-3016","post","type-post","status-publish","format-standard","hentry","category-vds-server","category-vps-server","tag-ntp","tag-timedatectl"],"meta_box":[],"_links":{"self":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts\/3016","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=3016"}],"version-history":[{"count":1,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts\/3016\/revisions"}],"predecessor-version":[{"id":3045,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts\/3016\/revisions\/3045"}],"wp:attachment":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/media?parent=3016"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/categories?post=3016"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/tags?post=3016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}