An introduction to the GNU Core Utilities
Most everything a Linux sysadmin needs to do can be found in the GNU coreutils or util-linux.
How a Display Manager and a Window Manager Light Up Your Screen
The display manager (dm) and the window manager (wm) always work closely together to make your GUI experience smooth and seamless before you even get to your desktop.
A Linux user’s guide to Logical Volume Management
Managing disk space has always been a significant task for sysadmins. Running out of disk space used to be the start of a long and complex series of tasks to increase the space available to a disk partition. Logical Volume Management makes these tasks easy and even unnecessary.
Retro-Fun with CRT
Discover what using old CRT systems was like for us old-timers or relive the days when you used one. The Cool Retro Term (crt) terminal emulator is for us. It’s useful and fun at the same time.
How to generate webpages using CGI scripts
The Common Gateway Interface provides an easy way to build dynamic websites using any language of your choice.
Using sudo to delegate permissions in Linux (Updated)
Learn how to assign authority for managing network functions or specific services to trusted users while protecting the security of the root password.
How to configure an Apache web server
Learn to host your own website with Apache, a solid, well-known, and easy-to-configure web server.
How I configured a DHCP server for my personal lab network
The Dynamic Host Configuration Protocol (DHCP) provides network configuration data to client hosts on a network, allowing for centralized network configuration management.
System statistics with sar and the /proc filesystem
SAR, the System Activity Reporter, is my starting place for accessing historical performance data to solve problems.
Parsing config files with Bash
Separating config files from code enables anyone to change their configurations without any special programming skills.
Convert your Windows install into a VM on Linux
Here’s how I configured a VirtualBox VM to use a physical Windows drive on my Linux workstation.
Team of one? The Zen postmortem
The practice of yoga offers sysadmins valuable lessons in self-examination.
Configure a Linux workspace remotely from the command line
Nearly everything can be done from the Linux command line, including remote configuration of desktops such as Xfce4.
Manage your APC battery backup system with this Linux command
Protect yourself from power incidents by running a simple utility: apcupsd.
Ansible #1: My first day using Ansible
A sysadmin shares information and advice about putting Ansible into real-world use configuring computers on their network.
What is a sysadmin?
What does the term “sysadmin” or “system administrator” mean to you? What does a sysadmin do? How do you know you are one?
Existential questions like this seldom have concrete answers, and the answers that do present themselves can be pretty fluid. The answers are also significantly different for different people and depend upon their work experience.