This article will describe how to omit sudo password.
Table of Contents
1 Add NOPASSWD to sudo group in /etc/sudoers
You can edit /etc/sudoers with visudo interactively. This article will edit /etc/sudoers with sed non-interactively. sudo needs password yet.
$ sudo sed -i /etc/sudoers -e 's/^%sudo.*/%sudo ALL=(ALL:ALL) NOPASSWD:ALL/g' [sudo] password for hiroom2:
The /etc/sudoers is the following after adding NOPASSWD. sudo does not need password.
# # This file MUST be edited with the 'visudo' command as root. # # Please consider adding local content in /etc/sudoers.d/ instead of # directly modifying this file. # # See the man page for details on how to write a sudoers file. # Defaults env_reset Defaults mail_badpass Defaults secure_path="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin" # Host alias specification # User alias specification # Cmnd alias specification # User privilege specification root ALL=(ALL:ALL) ALL # Members of the admin group may gain root privileges %admin ALL=(ALL) ALL # Allow members of group sudo to execute any command %sudo ALL=(ALL:ALL) NOPASSWD:ALL # See sudoers(5) for more information on "#include" directives: #includedir /etc/sudoers.d