new user
#useradd tdtc
#passwd tdtc
Append group
Modify su file
- CentOS 6 v6 and below versions
Open wheel
#vi /etc/pam.d/su
auth required /lib/security/$ISA/pam_wheel.so use_uid
Attachment of group members
#gpasswd -a tdtc wheel
Command
- CentOS 7/8
- Debian
Migrate to Debian before Ubuntu 20.04 ends support (April, 2025).
CentOS 7/8
CentOS8 needs to be executed locally, Unable to execute on ssh network side.
#usermod –aG wheel tdtc
Debian
adduser tdtc sudo
test
Query all users with sudo permissions.
[tdtc@tdtc102 ~]$ sudo lid -g wheel
We trust you have received the usual lecture from the local System
Administrator. It usually boils down to these three things:
#1) Respect the privacy of others.
#2) Think before you type.
#3) With great power comes great responsibility.
[sudo] password for tdtc:
tdtc(uid=1000)
[tdtc@tdtc102 ~]$