Inspiron1525:/home/hernan# aptitude update
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?
W: Could not lock the cache file; this usually means that dpkg or another apt tool is already installing packages. Opening in read-only mode; any changes you make to the states of packages will NOT be preserved!
Ign cdrom://[Debian GNU/Linux 5.0.4 _Lenny_ - Official amd64 kde-CD Binary-1 20100131-22:52] lenny Release.gpg
Ign cdrom://[Debian GNU/Linux 5.0.4 _Lenny_ - Official amd64 kde-CD Binary-1 20100131-22:52] lenny/main Translation-en_US
Ign cdrom://[Debian GNU/Linux 5.0.4 _Lenny_ - Official amd64 kde-CD Binary-1 20100131-22:52] lenny Release
Ign cdrom://[Debian GNU/Linux 5.0.4 _Lenny_ - Official amd64 kde-CD Binary-1 20100131-22:52] lenny/main Packages/DiffIndex
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?
E: Couldn't rebuild package cache
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?
W: Could not lock the cache file; this usually means that dpkg or another apt tool is already installing packages. Opening in read-only mode; any changes you make to the states of packages will NOT be preserved!