This section contains informations and notes on
Terminal - command line, a basic introduction, working as root, configuring colors in a terminal, getting help in a terminal, and using scripts.
Doas - Alternative to Sudo, our recommendation for all those who miss sudo.
System administration in general. Short and sweet, we provide a stiff through system administration, boot options, managing systemd services, terminating processes, managing passwords, fonts in siduction, the printing system CUPS, and sound in siduction.
Btrfs filesystem on siduction, the subvolumes after installation, creating and managing new subvolumes, snapshot in Btrfs.
Btrfs Snapshots with snapper Creating and managing Btrfs snapshots with Snapper. Configuring Snapper and working with systemd. System rollback and recovery of files.
APT package management, package sources, managing packages, updating the system, searching program packages, and why to use apt exclusively.
Local APT mirror, apt-cacher, the proxy server for Debian packages, and how to install server as well as client configuration.
Nala for package management, a front-end that optimizes and accelerates APT for the user.
Installing new kernels, upgrading the kernel without a system upgrade, and removing 3rd party modules as well as old kernels.
systemd - the system and services manager, the concept of systemd, unit types, systemd in the file system, and handling services.
The systemd unit file, directories and hirarchies of unit files, the incorporation in systemd, the structure of unit files with a description of numerous options, the function of unit files on the example of CUPS, and the tools that systemd provides.
systemd-service unit, creating a service unit, and the description of all essential options.
systemd-mount unit, contents of the mount unit, contents of the automount unit, naming conventions, areas of use, and some examples.
systemd-target - target unit, from runlevel to systemd-target, special features to consider.
systemd-path unit, the required files, the options of path-unit, creating and including path-unit, and the example “Monitoring DocumentRoot of Apache web server”.
systemd-timer unit, the required files, the options of the timer unit, creating as well as including timer units, and timer units as cron replacement.
systemd-journal, using journald locally and over a network, configuring journald, querying the systemd journal with journalctl, filtering and controlling the output, examples to master journalctl.