Here you will find information that you can use for yourself, or just to develop your culture or just out of curiosity.
This wiki offers various procedures on different hardware and OSes (Cisco, Windows and Linux mainly), but also solutions to fix bugs I've encountered and OS-oriented security vulnerabilities.
Version Française : https://wiki.persold.ovh/fr/home ou cliquez sur le petit globe en haut à droite de l'écran, puis sélectionnez Français