How to Update Your Linux Server

Keeping your server updated is critical for security and stability.

Ubuntu / Debian

apt update && apt upgrade -y

AlmaLinux / Rocky Linux / CentOS

dnf update -y

Automatic Security Updates

On Ubuntu, enable unattended upgrades:

apt install unattended-upgrades -y
dpkg-reconfigure -plow unattended-upgrades

Best Practices

• Update at least weekly
• Review changelogs for major updates
• Reboot after kernel updates
• Test updates on a staging server first for production systems