Ubuntu: Admin Permission

Hi,

1) I am setting up a Ubuntu 10.04.3 workstation in the production environment

2) When I install this Ubuntu, I specify the user as jblack, and give the password as "password"

3) I believe that the user will be the "Local Administrator" of the Linux machine

4) But, Not the user ("jblack") asked me to give him the "Admin Permission"

5) Any help to do it?

6) Thanks

tjie
tjieAsked:
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bz43Connect With a Mentor Commented:
you can be root in Ubuntu.  the command is sudo su.  See below.
brian@ubu1104:~$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 11.04
Release:	11.04
Codename:	natty
brian@ubu1104:~$ whoami
brian
brian@ubu1104:~$ sudo su
[sudo] password for brian: 
root@ubu1104:/home/brian# whoami
root
root@ubu1104:/home/brian# 

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pilson66Connect With a Mentor Commented:
In GUI - just enter password for this user
in console - use "sudo" with password for this user
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rindiConnect With a Mentor Commented:
In Ubuntu the root account isn't activated by default, so whenever you need to run something that needs root access it'll ask for the password (just use the password you entered for the account you have setup). This is a safety measure similar to UAC on Windows 7.
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tjieAuthor Commented:
1) Per my understanding "jblack" is the root now (He does not need "admin permission" right?) ; Confirm it to me please

2) Then, If "jblack" wants to change his password
- How to do it?
- Is his permission should be updated?

3) Thanks

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torimarConnect With a Mentor Commented:
Contrary to other Linux distros, Ubuntu by default does not have a separate superuser admin: the root account is locked.
If you want to administer the OS, you need to use "sudo" in front of a command line command. You are then requested to authenticate via a password; this will be the user password of the user you created when installing Ubuntu.
See here: https://help.ubuntu.com/community/RootSudo

On systems with more than one users, you will have to add the new user to the 'admin' group if you want him to be able to administer the system:
https://help.ubuntu.com/community/RootSudo#Users

There's also a graphical user administration interface:
https://help.ubuntu.com/community/AddUsersHowto
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torimarCommented:
Edit: sorry, the preview function did not show that there were already answers to your question.
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pilson66Connect With a Mentor Commented:
>1) Per my understanding "jblack" is the root now (He does not need "admin permission" right?) ; Confirm it to me please

No, its user, not root. Use "sudo" in console.


>2) Then, If "jblack" wants to change his password
- How to do it?
- Is his permission should be updated?

in console, "passwd jblack"
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rindiConnect With a Mentor Commented:
On Ubuntu you can also change the password via the GUI by clicking on "System", "Administration", "Users and Groups".

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Frosty555Connect With a Mentor Commented:
1) Per my understanding "jblack" is the root now (He does not need "admin permission" right?) ; Confirm it to me please

jblack is NOT root, he is just a user that has the privilege to perform root activities - he can request elevated privileges to act on behalf of root. To do this, you can use the "sudo" command, or if a gui applicaiton needs elevated privileges it will prompt for the password (e.g. a graphical sudo prompt, or gksudo)

But before he can elevate his privileges to root level, the system must ask that he authenticate himself again. That is why it asks for the administrator password - it is asking for jblack's password to confirm it really is him sitting at the console.


2) Then, If "jblack" wants to change his password
- How to do it?
- Is his permission should be updated?

His permissions do not need to be updated. You change the password just like any other user - using the GUI, or by using the passwd command.

http://www.thegeekstuff.com/2009/12/how-to-change-password-on-ubuntu/
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