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How do I manage (add/remove) users in SLES?

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Adding a user in SLES can be done the old fashioned method, via useradd, or via YaST.

YaST

Using YaST we can add the user in a very verbose way. Each option is quite easy to understand.

# yast2 users add help

YaST Configuration Module users
--------------------------------

Command 'add'
    Add new user

    Options:
        username       [string] Login name of the user
        uid            [string] UID of the user
        cn             [string] Full name of the user
        password       [string] Password of the user
        home           [string] Home directory of the user
        no_home                  Do not create home directory for new user
        shell          [string] Login shell of the user
        gid            [string] GID of user's default group
        grouplist      [string] List of groups of which the user is a member (separated by commas)
        type           [string] Type of the user (local, system, nis, ldap)
        ldap_password [string] Password for LDAP server
        help                     Print the help for this command
        verbose                  Show progress information

#

So with that we can add a user named 'admin' in the wheel group. The gid=100 places the user into the default local group of 'users'

# yast2 users add username=admin cn="My Admin User" password="This_Is_The_Password123@" gid=100 grouplist=wheel type=local
#

Now we can review the new users configuration. We can see that the default home and shell were automatically used when creating the user:

# yast2 users show username=admin
Full Name:
        My Admin User
List of Groups:
        wheel
Default Group:
        users
Home Directory:
        /home/admin
Login Shell:
        /bin/bash
Login Name:
        admin
UID:
        1000
# id admin
uid=1000(admin) gid=100(users) groups=100(users),10(wheel)
#

And remove the user:

# yast2 users delete username=admin
# yast2 users show username=admin
There is no such user.
#

useradd

The useradd command is almost as simple to use, but requires an additional step.

# useradd -g users -m -c "My Admin User" admin
# passwd admin
Changing password for admin.
New Password:
Reenter New Password:
Password changed.
#

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