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madhusudan@ubuntu:~$ apt-get update
E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied)
E: Unable to lock directory /var/lib/apt/lists/
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?
madhusudan@ubuntu:~$

what should I do to solve this problem?

Mitch
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Madhusudan
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1 Answers1

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This problem is usually caused by not being root.

You can solve this by running sudo apt-get update.

Frederik Spang
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