Add a user to Sudo group

After install a linux server, for security reason, you have to add a normal user to sudo group.

How to

## as root permission, adding ‘username’ to sudo group
root$ usermod -aG sudo username
root$ usermod -aG mysql username

## change shell for ‘username’,
root$ su - username
username$

## Let’s check
username$ sudo whoami
root 👈Succeed!🎉

Group List

root@venus:~# vi /etc/passwd
root@venus:~# vi /etc/group

https://linuxize.com/post/how-to-list-groups-in-linux/