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A look at SELinux denial messages, where they're logged, and how to parse them.

Here in this introduction to Playbook creation, we examine the play that manages updates for a local Ansible controller machine.

Take a look at a few common and useful DNF and APT operations.

Moving personal services into Linux containers requires planning. See what it takes to containerize years of information from WordPress.

In this final "Moving a service to a Linux container" series entry, I show you how to move Request Tracker.

Curious how to containerize your Linux applications? Learn by example, and understand the challenges of various application types and how to overcome them.

Take a look at how to select your favorite live operating system from a single USB drive.

In this next installment of this moving services to Linux containers series, we look at how MediaWiki can operate in a containerized environment.

How can we motivate more women to get into the technology field?

Don't fear the command line. Embrace it with these 10 starter commands.

Installing Microsoft SQL Server 2019 on Red Hat Enterprise Linux using a single playbook

Are you ready for the scary technology tricks that can haunt you as a sysadmin? Here are five treats to counter those tricks.

When you need a consistent scripting platform in a heterogeneous data center, Cygwin delivers.

The Secure Shell is a critical tool in the administrator's arsenal. Here are eight ways you can better secure SSH, and some suggestions for basic SSH centralization.

Ansible playbooks are written in YAML, YAML Ain't Markup Language. Understanding YAML syntax is a key to success with Ansible.

Learn to groom your SSDs to maintain the best performance.

Managing services is a key responsibility for sysadmins. How about a brief but thorough introduction to mastering systemctl? Enable yourself to use it today.

The printf command traces its roots back to the development world but offers practical utility to the sysadmin, as well. Derived from the print function in C programming languages, it provides the user with the ability to print a formatted string of output. Use printf to format text or numbers.

YAML is an easy, expressive, data-oriented language that distinguishes itself from document markup languages.

Have you ever found yourself in a situation where you need to know who's using up all of your bandwidth and what they're using it on? I certainly have and I want to introduce you to a tool that can help you answer that question. Find out with iftop.