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I installed Kubuntu 12.04 on this desktop last September and am the main user of the machine. I can perform most admin tasks such as installing new software with my password, which is also accepted using sudo in a terminal. Some tasks however ask for a root password - the most recent example being when I tried to re-install my HP printer. and my usual password does not work. I have looked at this answer, but it doesn't seem to help as I know my own password. I need to know root's password!

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Duplicate of How do I recover my root password? –  Eric Carvalho Mar 12 '13 at 20:23
    
You should recover your root password. I don't know if there was command to know root password but you can change the password using command sudo passwd –  Muhammad Sholihin Mar 13 '13 at 4:21
    
FYI: There is no root password in a default installation, because the root user account is disabled –  Thomas W. Jan 30 at 19:55
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marked as duplicate by Thomas W., karel, Avinash Raj, Eric Carvalho, BuZZ-dEE Jan 31 at 12:19

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2 Answers

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Running sudo -i in the console will drop you into "root" mode.

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sudo -i is prefered due to environmental variables. See ubuntuforums.org/showpost.php?p=6188826&postcount=4 –  bodhi.zazen Mar 12 '13 at 20:55
    
This is not useful because you also need a password to log as the "root". –  skan Oct 18 '13 at 23:35
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Ubuntu by default does not have a root password set and relies on your own password entered via sudo for superuser/sysadmin purposes.

If you are adamant on setting a password for root then the following command will do it but it is NOT needed.

sudo passwd root

I would suggest just using sudo and then enter your own password.

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