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I just tried to update to Ubuntu 14.04.5 on my Dell Inspiron 8600 running Ubuntu 12.02 LTS, and I received an error saying that PAE is not enabled. I looked at the support for enabling PAE on Pentium M systems, but when I tried to run the command apt-get install linux-image-generic-pae , I received an error saying: 

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?

I've tried to find answers to this in the forum, however I cannot find the solution to this. Is there any way to fix this issue? Do I need to run this as a superuser?

Nick Weinberg
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PS Shazam
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1 Answers1

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The "Permission denied" error and the "are you root?" message mean you don't have permission to do Apt installs, since you need to run the program as the root user.

You do that by using sudo in front of apt-get, as in:

sudo apt-get install linux-image-generic-pae
Chai T. Rex
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