apt-get install gnupg
apt-get install gnupg2 -y
alias gpg gpg2
gpg --gen-key
gpg --armor --output ubuntu_pk.key --export "[realName] [comment] [email]"
gpg --import xxx.key
gpg -k
gpg --recipient "[realName] [comment] [email]" --output zzz.en.log --encrypt zzz.log
gpg --output zzz.de.log --decrypt zzz.en.log