How to Update CentOS Linux

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Introduction

It is a best practice to update your server on a regular schedule for security and stability. Use this guide to keep your CentOS server updated.

This guide applies to the following versions, both with and without SELinux enabled.

Always make a backup before updating your system.

Use yum check-update to update the package database from the enabled repositories.

$ sudo yum check-update

Use yum update to upgrade the packages.

$ sudo yum update

$ sudo reboot

Periodic updates keep your server secure and stable. Make sure you have a snapshot or backup strategy in place before updating.

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