Using a combination of cut and uniq , it is possible to extract all distinct lines from a given file: cut -d\; -f1 file.txt | uniq It is op...

Using sed, it is possible to quickly extract all characters before a given marker from all lines in a file with: sed 's/MARKER.*//' ...

The default location of docker files (images, volumes, networks, etc) on most distributions is /var/lib/docker This can be easily changed ...

Some applications you install come as archives that you extract in a desired location. However, not all come with an installer that takes ca...

In order to group application windows together, the WMClass and WMInstance attributes have been specified in the Inter-Client Communicatio...

We already saw how to customize a keyboard layout on Windows , now it's the turn of Linux, using XKB for Xorg . Remapping keys is as s...

Most of the world uses Microsoft Windows and Office, therefore it might be sometimes necessary to generate documents using Microsoft fonts, ...

UEFI, great leap into the future and also great pain. There is a funny error that can happen after creating a UEFI bootable USB to install...

Intro story: So much luck in a single day. I always keep only 2 kernel versions after every update, so that I can boot back if something g...

We sometimes struggle to keep up with all the things that are constantly evolving, so I like how Ubuntu still gives us reassurances that som...

When using or displaying fonts from the Microsoft family on Ubuntu, they sometimes appear to be displayed incorrectly, rendering them unread...

On Ubuntu Linux, the default gnome terminal theme doesn't lend itself easily to screenshots, since they decided for some reason that vio...

Ubuntu by default has the hibernation option disabled , even if the system is installed with enough swap space. Before enabling it, first ...

A small but annoying bug in Ubuntu causes the sound volume to be unmuted and reset to 100% after a reboot or logout. This can be fixed by...

If for some reason(s) you decided to install Ubuntu without specifying a swap partition , you can still add one (or a swapfile ) later on wi...

If you too feel like Unity is a nightmare and would like to switch to another desktop environment, but do not fancy to reinstall everything...

You can easily add and remove PPA repositories to your software sources with the apt-add-repository command. Use: sudo apt-add-repository...

After downloading VMWare Player for Linux , you may feel a bit stuck on how to install it. Luckily, it's as easy as: gksudo bash PATH_...

IN ENGLISH: Sometimes lacking the super-cow powers is a problem. Apt may in fact have trouble removing certain malformed packages. To force...

IN ENGLISH: After swearing all the known gods and whishing sudden death for all the fake "howto" nerds I found on the internet, I ...