https://fr.wikipedia.org/wiki/Secure_Shell
https://fr.wikipedia.org/wiki/Secure_copy
https://www.ramix.org/ssh/ssh-public-key.html
https://sites.google.com/view/les-logiciels-libres/administration-systeme/ssh
http://leanpub.com/linux-administration-volume-3
https://www.youtube.com/watch?v=QGixbJ9prEc
https://www.youtube.com/watch?v=yKeJUdq_ZL0
https://www.youtube.com/watch?v=sf4vd8ApB8Y
https://www.youtube.com/watch?v=KN6KSY9dgPk
https://www.youtube.com/watch?v=Yarn_kBwPDE
https://www.youtube.com/watch?v=4g_mJ7Xb9q0
https://www.youtube.com/watch?v=hIbasSf-45s