sudo passwordless
$ EDITOR=vi visudo
# then add this
ALL ALL=(ALL) NOPASSWD: ALL
username ALL=(ALL) NOPASSWD: ALL
%group ALL=(ALL) NOPASSWD: ALL
Defaults env_keep += "EDITOR"
$ EDITOR=vi visudo
# then add this
ALL ALL=(ALL) NOPASSWD: ALL
username ALL=(ALL) NOPASSWD: ALL
%group ALL=(ALL) NOPASSWD: ALL
Defaults env_keep += "EDITOR"