I use Ubuntu 14.04 Desktop Edition.
Now I see Software Updater's message that it must be updated.
Then I get a message
requires installation of untrusted packages from unauthenticated sources
What's going on here? How can I solve it?
I use Ubuntu 14.04 Desktop Edition.
Now I see Software Updater's message that it must be updated.
Then I get a message
requires installation of untrusted packages from unauthenticated sources
What's going on here? How can I solve it?
I bought a Samsung series 5 notebook and a very strange thing happened: I installed Ubuntu 11.10 from a usb pen drive but when I restarted (...
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