i can't update my ubuntu

Asked Dec 22 '16 at 06:12

Active Dec 22 '16 at 06:18

Viewed 569 times

Every time when I enter the commands sudo apt-get update; sudo apt-get upgrade, it shows:

(You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
 libpam-systemd : Depends: systemd (= 229-4ubuntu12) but 229-4ubuntu4 is installed
E: Unmet dependencies. Try using -f.)

and after that when i entered sudo apt-get -f install this shows up:

(E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?)

What do I do next? I can't update my pc. I also want to install Windows XP alongside.

edited Dec 22 '16 at 06:18

muru

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asked Dec 22 '16 at 06:12

Bhavesh Sood

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Please retry sudo apt-get -f install (with sudo). Does it say Permission denied again? – Chai T. Rex Dec 22 '16 at 06:59
Check if you in sudo group with groups $USERNAME – George Udosen Dec 22 '16 at 07:41
Possible duplicate? http://askubuntu.com/questions/498102/how-do-i-unlock-var-lib-dpkg-lock – The Pizza Overlord Dec 22 '16 at 08:15

i can't update my ubuntu

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