The Art of Testing in the Linux Kernel
In the realm of software development, unit testing is an integral part of the development process, often used to ensure the correct functionality of individual ...
Category: Linux
A possible solution for no sound in Firefox on Ubuntu
For the last couple of days I was having a weird issue with Firefox on Ubuntu, namely there was no sound. After searching all over the Internet and trying diffe...
How to get environment variables from a running process in Linux
In Linux, everything is a file. Even running processes are represented as files. You will find all the running processes in /proc/, with a separate directory fo...
How to investigate Ubuntu slow boot
Investigating why Ubuntu boots slowly can be difficult. There are a lot of things that can go wrong: a lingering service, a bad config file, a wrong disk uuid i...
Change swap size in Ubuntu 18.04 or newer
[Updated July 26, 2020]: Change swapfile permission; Set swapfile in /etc/fstab. Swap is a special area on your computer, which the operating system can use as ...
Ubuntu Terminal themed tabs
In Ubuntu 14.04, when using more than one tab in Terminal, the tab style doesn’t fit with the rest of the theme, that is if you use the standard theme ...