{"id":201,"date":"2025-09-21T10:00:31","date_gmt":"2025-09-21T09:00:31","guid":{"rendered":"https:\/\/horrillo.eu\/?p=201"},"modified":"2025-09-21T10:00:33","modified_gmt":"2025-09-21T09:00:33","slug":"como-configurar-ntp-en-rhel-9-4-paso-a-paso","status":"publish","type":"post","link":"https:\/\/horrillo.eu\/?p=201","title":{"rendered":"C\u00f3mo configurar NTP en RHEL 9.4 paso a paso"},"content":{"rendered":"\n<p>Mantener la hora del sistema sincronizada es fundamental en cualquier servidor Linux. En&nbsp;<strong>RHEL 9.4<\/strong>, la sincronizaci\u00f3n horaria se gestiona a trav\u00e9s de&nbsp;<strong>chrony<\/strong>, que reemplaza al cl\u00e1sico&nbsp;ntpd. Chrony ofrece mejor precisi\u00f3n y soporte en entornos con conexiones intermitentes, como m\u00e1quinas virtuales o equipos port\u00e1tiles.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. Verificar si chrony est\u00e1 instalado<\/strong><\/h2>\n\n\n\n<p>RHEL 9.4 trae chrony por defecto. Puedes comprobarlo con:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>rpm -q chrony<\/code><\/pre>\n\n\n\n<p>Si no est\u00e1 instalado:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo dnf install -y chrony<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. Habilitar y arrancar el servicio<\/strong><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo systemctl enable --now chronyd<\/code><\/pre>\n\n\n\n<p>Verifica que est\u00e9 activo:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl status chronyd<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Configurar servidores NTP<\/strong><\/h2>\n\n\n\n<p>El archivo de configuraci\u00f3n principal est\u00e1 en:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/etc\/chrony.conf<\/code><\/pre>\n\n\n\n<p>Dentro encontrar\u00e1s l\u00edneas como:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pool 2.rhel.pool.ntp.org iburst<\/code><\/pre>\n\n\n\n<p>Puedes reemplazar o a\u00f1adir servidores NTP de confianza, por ejemplo:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>server 0.pool.ntp.org iburst\nserver 1.pool.ntp.org iburst<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>El par\u00e1metro&nbsp;iburst&nbsp;acelera la sincronizaci\u00f3n inicial.<\/p>\n<\/blockquote>\n\n\n\n<p>Tras los cambios:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo systemctl restart chronyd<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. Verificar sincronizaci\u00f3n <\/strong><\/h2>\n\n\n\n<p>Para comprobar el estado:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>chronyc tracking<\/code><\/pre>\n\n\n\n<p>Para ver los servidores configurados:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>chronyc sources -v<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. Sincronizaci\u00f3n manual puntual (opcional)<\/strong><\/h2>\n\n\n\n<p>Si necesitas forzar la sincronizaci\u00f3n de inmediato:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo chronyc makestep<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusi\u00f3n<\/strong><\/h2>\n\n\n\n<p>En RHEL 9.4, la forma recomendada de mantener la hora sincronizada es mediante&nbsp;<strong>chrony<\/strong>. Con unos pocos pasos puedes configurar tus propios servidores NTP y asegurar que tus sistemas tengan siempre la hora correcta, algo esencial para registros de auditor\u00eda, autenticaci\u00f3n y servicios en red.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mantener la hora del sistema sincronizada es fundamental en cualquier servidor Linux. En&nbsp;RHEL 9.4, la sincronizaci\u00f3n horaria se gestiona a trav\u00e9s de&nbsp;chrony, que reemplaza al cl\u00e1sico&nbsp;ntpd. Chrony ofrece mejor precisi\u00f3n y soporte en entornos con conexiones intermitentes, como m\u00e1quinas virtuales o equipos port\u00e1tiles. 1. Verificar si chrony est\u00e1 instalado RHEL 9.4 trae chrony por defecto. [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"aside","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[6],"tags":[18,9,17],"class_list":["post-201","post","type-post","status-publish","format-aside","hentry","category-linux","tag-chrony","tag-linux","tag-ntp","post_format-post-format-aside"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C\u00f3mo configurar NTP en RHEL 9.4 paso a paso - Mi blog<\/title>\n<meta name=\"description\" content=\"Aprende a configurar NTP en RHEL 9.4 usando chrony. 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