–
A guide on how to extract, reorganize, and manipulate pages of PDF documents using pdftk.
This site offers some original technical documentation in the form of articles detailing some functionalities or providing a practical introduction to free and opensource software tools and applications running on GNU/Linux.
Most of the documentation is about GNU/Linux system administration and command line usage. Although intended for a broad audience, it usually requires minimal knowledge in these fields.
Note: some articles have not been translated from the french version of this website yet.
Below is a list of the most recently published articles, sorted by publication date. You can also access the list of all articles in English.
A guide on how to extract, reorganize, and manipulate pages of PDF documents using pdftk.
Description of a Ghostscript command that optimizes a PDF document and reduces its size through a reduction of its quality.
Description of the basic commands to know to use branches in Git.
Short description of the three main sections of a Git project and the corresponding three main states of a file in Git.
Quick guide on how to import or download a key with GnuPG.
Quick guide on how to use the gpg command to decrypt a file.
Quick guide on how to use the gpg command to encrypt a file.
Quick guide on deleting a key from a keyring with GnuPG.
Quick guide on the generation of a new key with GnuPG.
Presentation and practical implementation of OpenSSH certificates to faciliate key based authentication of servers and clients.
Click on a topic to go to the list of related pages (whose number is shown beside):