Linux Admin

Read the manual page for bash! Even if you don't fully understand the material in front of you, ...

Organizing Bash Settings The following block contains a listing of bash profiles, locations, and...

i3 is a tiling window manager. See my notes below on various settings, modules, etc Because this...

The PAM configuration files are handled sequentially at the time of authentication. This means th...

Managing passwords Change current user password, prompt for current passwd - passwd If you can ...

Overview Two factor authentication is easy to configure and helps further secure your server. It...

Overview Yubikeys provide many different forms of secure authentication, for the sake of time th...

When using various Linux Distributions, you may (or may not) run into some issues with audio devi...

  Installing Very Secure FTP Daemon I am using an Ubuntu 19.04 server in this guide, depending ...

Postfix is a Mail Transfer Agent (MTA) that can act as an SMTP server or client to send or rece...

When installing a fresh Linux Distribution, you might want to dual-boot, or even multi-boot, into...

Surely at some point you will come across the need to mount an additional partition, either tempo...

Renaming An Ubuntu Linux Host Renaming a host on Ubuntu is simple, just need to make some very s...

Creating swap memory for your host could prevent system or services from crashing when under heav...

Check out NTP-Pool for a list of pools available to different regions. Configuration Network Ti...

Your system likely has many sensors built in for displaying useful information on internal hardwa...

To configure linux hosts to automatically install updates and upgrades, add or edit the following...

Using crontab to schedule tasks for the system to perform is fairly straight forward, once you ge...

To define our own service with systemd, we need to create a daemon.service file. This is easily d...

Release cycles The Ubuntu release cycle is at a glance pretty straight forward, but when on the ...

Package Management Pacman First, you should check to verify your pacman-mirrors are configured ...

See the Arch wiki on Fonts for much more information. Some of this information has been copied fr...