Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?

Asked by greg white on 2011-03-28

as you can see this is the message i get when trying to get updates
  GPG error: http://packages.medibuntu.org maverick Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 2EBC26B60C5A2783
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
 what would be using it? Ubuntu 10.10
regards greg

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Ubuntu dpkg Edit question
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actionparsnip
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sudo fuser -vki /var/lib/dpkg/lock;sudo dpkg --configure -a; sudo apt-key adv --recv-key --keyserver keyserver.ubuntu.com 2EBC26B60C5A2783

Should do it

Make sure that updates are NOT running and that software centre and synaptic are NOT running

greg white (coffscarports) said : #2

Thanks actionparsnip, that solved my question.