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 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.
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.
systemd — #13: Why I support the systemd plan to take over the world
There is no nefarious plan, just one to bring System Management into the 21st century.
4 open source tools for Linux system monitoring
Information is the key to resolving any computer problem, including problems with or relating to Linux and the hardware on which it runs. There are many tools available for most distributions. These tools can be used to obtain huge amounts of information.
systemd — #10: Analyze Linux startup performance
Use systemd-analyze to get insights and solve problems with Linux startup performance.
systemd — #2: Understanding Linux startup with systemd
systemd’s startup provides important clues to help you solve problems when they occur.
systemd — #1: Learning to love systemd
systemd is the mother of all processes, responsible for bringing the Linux host up to a state where productive work can be done.
How I use cron in Linux
Scheduling tasks with cron means programs can run but you don’t have to stay up late.
How I migrated a WordPress website to a new host
Use this simple approach to migrate a website and manage firewall configurations.