How to manage partitions with GNU Parted on Linux

Partitions management is one of the most essentials and dangerous task to perform when working with operating systems. In this tutorial we will focus on the use of GNU parted and see how we can use it to create, resize and delete partitions from the command line interface. Learn More

What happens if you try to take your code out of Linux?

Linux-savvy legal experts from the past and present weigh in on this knotty, open-source licensing matter.
A side-effect of Linus Torvalds taking leave from Linux to work on how he deals with people and the new Linux contributors' Code of Conduct (CoC) was one person suggesting that programmers forced out of Linux could take their contributed code out of the operating system. Well, can they? Learn More

Linux firewalls: What you need to know about iptables and firewalld

A firewall is a set of rules. When a data packet moves into or out of a protected network space, its contents (in particular, information about its origin, target, and the protocol it plans to use) are tested against the firewall rules to see if it should be allowed through. Here’s a simple example: Learn More

How to Undo or Redo a Yum Install on CentOS and RHEL

One of the most important and useful feature added to YUM Package Manager (from version 3.2.25) is the 'yum history' command. It allows you to review a full history of yum transactions that have been run on a system. It shows the dates and times when a transactions were performed, whether the transactions succeeded or were aborted, the number of packages affected, and so much more. Learn More

3 open source distributed tracing tools

Distributed tracing systems enable users to track a request through a software system that is distributed across multiple applications, services, and databases as well as intermediaries like proxies. This allows for a deeper understanding of what is happening within the software system. These systems produce graphical representations that show how much time the request took on each step and list each known step. Learn More

Happy Birthday, GNU: Why I still love GNU 35 years later

GNU was publicly announced on September 27, 1983, and today has a strong following.

GNU is...
- an operating system
- an extensive collection of computer software
- free software
- licensed under the GNU Project's own General Public License (GPL) Learn More

Linus Torvalds and Linux Code of Conduct: 7 myths debunked

No, protesting programmers are not removing code from Linux; there are no purges of politically incorrect Linux kernel developers. And Linus Torvalds is coming back. Learn More

A sysadmin's guide to Ansible: How to simplify tasks

In my previous article, I discussed how to use Ansible to patch systems and install applications. In this article, I'll show you how to do other things with Ansible that will make your life as a sysadmin easier. First, though, I want to share why I came to Ansible. Learn More

Python's founder steps down, India's new net neutrality regulations, and more open source news

In this edition of our open source news roundup, we take a look Python's founder stepping down, India's new net neutrality regulations, O'Reilly's thoughts about tech giants, and more. Learn More

Convert video using Handbrake

Recently, when my son asked me to digitally convert some old DVDs of his high school basketball games, I immediately knew I would use Handbrake. It is an open source package that has all the tools necessary to easily convert video into formats that can be played on MacOS, Windows, Linux, iOS, Android, and other platforms. Learn More

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