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ShellCheck: Code Check For Shell Scripts
Shell scripting is a must-have skill for DevOps. I used to be very very confident at Shell. But when I first tried ShellCheck ,...
9 Useful Tips For Linux Server Security
Any serious systems can't ignore server security, especially in public Cloud. No doubt there're tons of tips and tutorials available on the Internet. Let's...
Learn MySQL / MariaDB for Beginners – Part 1
In this article we will show how to create a database (also known as a schema), tables (with data types), and explain how to...
Moreutils For Your Linux Shell Tool Set
I have this book -- a Spanish edition of Stephen Coffin's seminal manual, Unix System V Release 4: The Complete Reference. You can open it...
ROS: An Open Source Robotics Platform on Linux
ROS is an open source framework allowing you to create advanced robots. Using ROS takes much of the tedious work out of creating useful...
Linux Kernel 4.8 Officially Released, Merge Window for Kernel 4.9 Now Open
Today, October 2, 2016, Linus Torvalds proudly announced the release and availability for download of the Linux 4.8 kernel branch, which is now the...
Dig into DNS: Part 4
Previously in this series (see links below), I’ve described the dig utility and its many uses in performing DNS lookups, along with several examples...
Linux and Open Source Hardware for IoT
Most of the 21 open source software projects for IoT that we examined last week listed Linux hacker boards as their prime development platforms. This...
Fedora 24 — The Best Distro for DevOps?
“Give us the tools, and we will finish the job.” Winston Churchill.
If you have been to any DevOps-focused conferences -- whether it’s OpenStack Summit...
First 5 Commands When I Connect on a Linux Server
After half a decade working as a system administrator/SRE, I know where to start when I am connecting to a Linux server. There is...