via @nixcraft
"I had to kill the ssh-agent process and re-run keychain and everything was back to normal"
via @jpmens
via https://linuxfr.org/users/deuzene/liens/some-useful-gnu-nano-settings
via https://linuxfr.org/users/selenith/liens/les-vrais-sysadmins-n-utilisent-pas-sudo-redhat-com
