OpenSUSE 13: sudo without password

This article will describe how to omit sudo password. This will enable scripts with sudo be automated.

1 Enable wheel group in /etc/sudoers

Edit /etc/sudoers with visudo.

$ sudo visudo

Enable wheel group which is disabled by default.

diff -uprN /etc/sudoers{.org,}
--- /etc/sudoers.org    2016-11-18 20:59:50.045948489 +0900
+++ /etc/sudoers        2016-11-18 21:00:26.525321111 +0900
@@ -76,7 +76,7 @@ root ALL=(ALL) ALL
 # %wheel ALL=(ALL) ALL

 ## Same thing without a password
-# %wheel ALL=(ALL) NOPASSWD: ALL
+%wheel ALL=(ALL) NOPASSWD: ALL

 ## Read drop-in files from /etc/sudoers.d
 ## (the '#' here does not indicate a comment)

2 Add user to wheel group

Add user to wheel group with gpasswd.

$ sudo gpasswd -a hiroom2 wheel