Most Popular

Ansible, Part IV: Putting It All Together

Roles are the most complicated and yet simplest aspect of Ansible to learn.

Shorter Commands

Discover some short replacements for some of your favorite command-line commands.

diff -u: Adding Encryption to printk()

When is security not security? When it guards against the wrong people or against things that never happen. A useless security measure is just another batch of code that might contain an exploitable bug. So the Linux developers always want to make sure a security patch is genuinely useful before pulling it in.

Rapid, Secure Patching: Tools and Methods

Generate enterprise-grade SSH keys and load them into an agent for control of all kinds of Linux hosts. Script the agent with the Parallel Distributed Shell (pdsh) to effect rapid changes over your server farm.

Advice for Buying and Setting Up Laptops When You're Traveling or On-Call

Why stress over losing that expensive personal or work laptop? Buy a cheap one for risky situations. In a previous article, I wrote about how to prepare for a vacation so you aren't disturbed by a work emergency. As part of that article, I described how to prepare your computer:

Shell Scripting a Bunco Game

Bunco—a dice game that makes Yahtzee look complicated!

Using Python for Science

Introducing Anaconda, a Python distribution for scientific research. I've looked at several ways you could use Python to do scientific calculations in the past, but I've never actually covered how to set up and use Python itself in a way that makes scientific work easier. Anaconda does just that.

Avoiding Server Disaster

Worried that your server will go down? You should be. Here are some disaster-planning tips for server owners.

[Updated: LJ is back!] Linux Journal Ceases Publication

On January 1, 2018 Linux Journal was saved and brought back to life by a company called London Trust Media, the parent company of Private Internet Access. The comeback issue of Linux Journal has a release date of March 15, 2018. The article below, originally published in early December of 2017, is preserved for history. EOF

Four Hidden Costs and Risks of Sudo Can Lead to Cybersecurity Risks and Compliance Problems on Unix and Linux Servers

Sponsored Post: It is always a philosophical debate as to whether to use open source software in a regulated environment. Open source software is crowd sourced, and developers from all over the world contribute to packages that are later included in Operating System distributions.

Linux Journal Week in Review

The Value of Open Source Journalism