Systemd

systemd and Managing Services

Learn how systemd manages services, sockets, and timers as units, and how to start, stop, enable, and inspect them with systemctl and journalctl.

Systemd Cheat Sheet

Commands and unit-file syntax for managing services, timers, and system state with systemd on modern Linux distributions.

What is a Daemon Process?

A daemon process is a long-running background process, detached from any controlling terminal, that starts (often at boot) and keeps running indefinitely to pr…

What Are the Stages of the Boot Process?

The boot process moves a machine from powered-off silence to a running OS through four distinct stages: firmware power-on self-test, bootloader hand-off, kerne…

Docker vs Podman: What Is the Difference?

Docker relies on a persistent background daemon (dockerd) running as root to build and manage containers, while Podman is daemonless — each podman command dire…