User Mgnt

create new group

groupadd groupname
usermod -aG groupName Username

change primery group

usermod -g groupName UserName

change Secondery group

usermod -G groupName UserName

all groups

getent group

group info

getent group developers

groups list

cat /etc/group

user groups

groupes userName

delete user from group

sudo gpasswd -d username groupname

create new user

useradd -m -s /bin/bash -c "prmctl prmctl" -G devops prmctl
sudo useradd -r -s /usr/sbin/nologin prmctl
sudo useradd -M -s /usr/sbin/nologin prmctl
sudo passwd prmctl

users list

cat /etc/passwd

user info

id username
id -gn username