4.1 Linux administration
Every entry filed under Linux administration and its subtopics.
What kind of help
What do these mean?
- Beginner
- You are new to this topic.
- Intermediate
- You use it, and want to get better.
- Advanced
- You know it well and need the details.
- Guided project
- Build something small from start to finish, step by step.
- Explains an idea
- Plain words on how something works and why.
- Step by step
- Numbered steps to get one task done.
- Cheat sheet
- Commands and options in a table, to look up fast.
- Fixes an error
- An error message, what it means, and how to solve it.
4 entries
- 0447 Lynis: a security audit of a Linux or Unix host with hardening suggestions Lynis is a shell script that inspects a Linux, BSD or macOS system you administer, tests hundreds of settings and services, and… Linux, macOS Repo Linux administration · Server hardening 15 Oct 2026
- 0453 step-ca: run your own certificate authority for internal TLS and SSH step-ca from Smallstep is an open source certificate authority that issues TLS and SSH certificates for your own infrastructure, with ACME support… Linux, macOS, Windows Repo Linux administration · TLS & certificates 15 Oct 2026
- 0179 systemd: the Linux system and service manager The source of systemd, the init system and service manager on most Linux distributions, together with journald, networkd, resolved, timers and the… Linux Repo Services & systemd 15 Oct 2026
- 0180 firewalld: zone-based firewall daemon Upstream source of firewalld, the default firewall manager on RHEL, Rocky Linux, AlmaLinux and Fedora, including firewall-cmd and its service definitions. Linux Repo Networking & firewalls 15 Oct 2026