GPG

https://www.youtube.com/watch?v=AYegjnDWvww 
=== install from source ===
https://pastebin.com/qPunEVxR fix the /r error with dos2unix command
Use latest autotools from GNU foundation such as make 2020 November, your linux distro most likely has the 2016 version resulting in compile errors for the needed packages.
=== links ===
ssh 
https://unix.stackexchange.com/questions/60213/gpg-asks-for-password-even-with-passphrase/60439 auto encrypt decrypt 
https://stackoverflow.com/questions/30318041/gpg-decryption-failed-bad-session-key bad session key 
Encryption 
https://github.com/NicoHood/gpgit/blob/master/gpgit.sh 
Category:Encryption
Category:Linux shell scripting