Updating on linux [closed]

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When I enter the command:

apt-get update

I get an error message telling me that it cant open the lock file. Can anyone explain why this causes a problem and how I can avoid it in the future?

Answer 1

cant open the lock file

You can 2 reasons of this problem:

1. you run apt-get update without administrative privileges. Use sudo or login as root.
2. in your system running another apt-get, aptitude, synaptic, Software Center or Update Manager. Close it ant try again.