# systemd

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 use systemd's built-in sandboxing directives to isolate services, restrict filesystem access, and harden daemons without containers.

Manage Linux services with systemctl, write custom unit files, understand the boot process, configure targets, and use journalctl for log analysis.