GNU/Linux (12)

The open source software

The open source software is a type of software, of which the authors make public the source code. In this way they support the free study of this software, and they allow other developers to make changes and extensions to this software.

How to rename a file in bash

To rename a file or a directory, using bash, you have to run this command:

Virtual Private Networks (VPN)

A Virtual Private Network (VPN) is a private network, configured on some routers that uses public networks for the connection.

Ubuntu: how to update packages and remove outdated ones

First of all, you have to open a terminal, or you can use directly the text-based user interface (TUI) by using CTRL+ALT+F1 (to return to the GUI, you have to use ALT+F7).

Can’t you mount an HD on Linux?

If you wrongly removed your extern hard disk, in a unsafe manner, maybe you will get an error when trying to reconnect your HD to the computer (if you use Linux).