0
votes
2answers
209 views

Software Center prompts password of another user

I have a krb5-ldap user in an "administrators" which is added to sudoers list as follows: %administrators ALL=(ALL) ALL Now that works fine for all sudo operations. But when that user wants to ...
0
votes
0answers
478 views

ubuntu 13.10 software center authentication error and okular cannot find component

I had installed 'Okular' but after the upgrade it gives error saying component not found. Thus i tried removing and installing again. But the software center gave following error. Software can't be ...
0
votes
1answer
807 views

Install software without root access?

Is it possible to give a user the rights to install software, without giving him other sudo-rights? Let's say I were to install Ubuntu on the student's computers at a school. I would like them to be ...
0
votes
2answers
200 views

Authentication required for every 1 hour for Internet but NO proxy. How do I get out from this problem?

OS: Ubuntu 12.04 and/or above My system connected to University campus Internet which has no proxy. But needs authentication (username and password) for every 1 hour. If the web-browser is running ...
1
vote
2answers
97 views

I get this message when I try to install software in the Software Center Ubuntu 12.10. No fixes I saw here helped

Software can't be installed or removed because the authentication service is not available. (org.freedesktop.PolicyKit.Error.Failed: ('system-bus-name', {'name': ':1.168'}): ...
8
votes
3answers
6k views

PolicyKit error when trying to install/remove programs in the software center

I have 12.10 ubuntu and when I try to remove / install programs I get notification : Software can't be installed or removed because the authentication service is not available. ...
1
vote
1answer
157 views

Authentication problem — locked out from changes [duplicate]

Possible Duplicate: How do I reset a lost administrative password? Why can’t non-admin users install software? Authentication for everything I am really frustrated about the ...
0
votes
1answer
401 views

Deepin Software Centre unable to aunthenticate password

I am using Kubuntu 11.10. I tried installing Deepin Software Centre in it. Installation was successful but when I launched the application it asked for password. Every time I entered the password, it ...
70
votes
3answers
56k views

How do I deal with “unauthenticated sources” errors in the Software Center?

Any install that I'm trying through the Software Center is telling me: Requires installation of untrusted packages: The action would require the installation of packages from not authenticated ...
5
votes
2answers
2k views

Software center will not let me authorize

When trying to install a program from the software center it will ask for a password. I enter my password and the authentication window goes away and/or tells me there is a problem and the program ...