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How to Update CentOS Linux
source link: https://www.vultr.com/docs/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.
Supported Versions
This guide applies to the following versions, both with and without SELinux enabled.
- CentOS 8
- CentOS 7
- CentOS 6
Make a Backup
Always make a backup before updating your system.
1. Update the Package Database
Use yum check-update to update the package database from the enabled repositories.
$ sudo yum check-update
2. Upgrade Packages
Use yum update to upgrade the packages.
$ sudo yum update
3. Restart the Server
$ sudo reboot
Conclusion
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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