avdadmin ALL=(ALL) NOPASSWD: /usr/bin/getent,/usr/bin/echo,/usr/sbin/useradd,/usr/sbin/userdel,/usr/sbin/groupadd,/usr/bin/id,/usr/sbin/usermod,/usr/sbin/chpasswd
into /etc/sudoers.d
Ubuntu
echo "avdadmin ALL=(ALL) NOPASSWD:" which getent echo useradd userdel groupadd id usermod chpasswd | paste -sd ',' -