sudoers

# Host alias specification

# User alias specification
User_Alias      SYSADMINS = johndoe, janedoe
User_Alias      WEBMASTERS = johndoe

# Cmnd alias specification
Cmnd_Alias      REBOOT = /sbin/reboot, /sbin/halt
Cmnd_Alias      SHUTDOWN = /sbin/shutdown, /sbin/poweroff
Cmnd_Alias      WEBSERVER = /usr/sbin/apachectl
Cmnd_Alias      ROUTER = /sbin/ifconfig, /usr/bin/pon, /usr/bin/poff, /usr/plog

# Override bulit in defaults
Defaults        syslog=auth
Defaults        loglinelen=0, log_year, logfile=/var/log/sudo.log

# User privilege specification
root            ALL = (ALL) ALL
SYSADMINS       ALL = NOPASSWD: REBOOT, SHUTDOWN, ROUTER, WEBSERVER