# ubuntu

A complete walkthrough for turning a fresh Ubuntu 24.04 LTS installation into a production-ready server — from initial SSH lockdown to swap configuration and kernel parameter tuning.

How to keep Ubuntu servers patched automatically without unplanned reboots — combining unattended-upgrades, Canonical Livepatch, and USN monitoring into a practical patching strategy.

Install, update, and manage packages across Ubuntu (apt), RHEL (dnf/yum), and SUSE (zypper) — repositories, GPG keys, version pinning, and automation.