[Qgis-user] QGIS installation

Tue Mar 5 05:04:16 PST 2013

Reading package lists... Done
W: GPG error: http://ppa.launchpad.net precise Release: The following
signatures couldn't be verified because the public key is not available:
NO_PUBKEY 089EBE08314DF160

This is the answer of "sudo apt-get update" command
I have insert the pubkey yet ( from the quantum gis installation
instructions).

Can someone explain me if there some terminal command to clean previous
pubkey in order to insert the fresh one or to complete removal of quantum
GIS to reinstall it again ?

Thanks

-- 
Fabio De Francesco
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