Excellent book offered for free covering an exhaustive list of topics on Linux system installation, administration and maintenance. Includes tips and tricks specific to running a desktop installation of Debian and surviving GNU/Linux. GNU/Linux Desktop Survival GuideGNU/Linux Desktop Survival Guide
The JOE text editor is a "full featured terminal-based screen editor which is distributed under the GNU General Public License (GPL). JOE has been around since 1988 and comes standard with many Linux distributions." JOE stands for Joe's Own Editor. The entire package is only 2.1MB. More
Let's suppose you have added a key using apt-key. For example, you might have been installing Grafana and ran the following commands. $ sudo apt-get install -y apt-transport-https $ sudo apt-get install -y software-properties-common wget $ wget -q -O - https://packages.grafana.com/gpg.key | sudo apt-key add - $ sudo add-apt-repository "