How to add/remove users, change password, create, edit groups and create sudo user on Debian linux?

Depụta niile obodo ọrụ

cat /etc/passwd

Ị nwekwara ike iji na-eso iwu na-ebipụta na aha njirimara nke n'elu /etc/passwd mmepụta.

cut -d: -f1 /etc/passwd

The n'elu parameters: -d: iji colon ka delimeter, -F1 na-akpa ubi.

Ị ga-mgbọrọgwụ maka ndị na-esonụ

su
Tinye ọhụrụ ọrụ

adduser username

wepụ ọrụ

userdel username

User directory mkpa ga-ehichapụ iche iche ma ọ bụrụ na achọrọ

rm -r /home/username

Dezie aha njirimara

usermod -l {new username} {old username}
Gbanwee okwuntughe

passwd username
Create group

groupadd groupname

Add user to group
usermod -a -G groupname username

List all groups current user belongs to

groups

List all groups specific user belong to

groups username

List all groups

cut -d: -f1 /etc/group
Create sudo user

usermod -aG sudo username

Test sudo user

sudo ls -la /root

The above only works for root/sudo user

You will require to input the user password for the 1st time

If sudo command does not work you will need to install sudo package

apt install sudo