16.4 ubuntu

apt-get update
W: chmod 0700 of directory /var/lib/apt/lists/partial failed - SetupAPTPartialDirectory (1: Operation not permitted)
E: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied)
E: Unable to lock directory /var/lib/apt/lists/
W: Problem unlinking the file /var/cache/apt/pkgcache.bin - RemoveCaches (13: Permission denied)
W: Problem unlinking the file /var/cache/apt/srcpkgcache.bin - RemoveCaches (13: Permission denied)
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?

marked as duplicate by Kevin Bowen, Zanna, Eric Carvalho, David Foerster, Anwar Jul 31 '16 at 4:51

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  • 6
    did you try sudo apt-get update? apt-get must be run in sudo-root permissions. – John Orion Apr 29 '16 at 5:35

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