version fuckup

version 1 and 2 are somewhat incompatible. on manjaro gpg and gpg2 both point to version 2.

list of common options

gpg --gen-key
gpg2 --expert --full-gen-key
gpg --list-keys
gpg --list-secret-keys
gpg --edit-key <ID>
gpg --send-keys <ID>
gpg2 --armor --export <ID> > file
gpg [--decrypt,-d] file1 > file2
gpg [--encrypt,-e] file1 > file2
gpg -k --list-options show-unusable-subkeys

extend expiration

gpg --edit-key <ID>
extend
key 1   # extend subkeys as well
extend
save