home/user # apt-get remove libqt4-test 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? /home/user # apt-get remove libqt4-test Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: python2.5-qt4-sql python2.5-qt4-network python2.5-qt4-webkit python2.5-qt4-svg python2.5-qt4-xml python2.5-qt4-maemo5 python2.5-qt4-dbus python2.5-qt4-phonon python2.5-qt4-script python2.5-qt4-gl python2.5-qt4-multimedia python2.5-qt4-xmlpatterns libqt4-script Use 'apt-get autoremove' to remove them. The following packages will be REMOVED: libqt4-test python2.5-qt4 python2.5-qt4-test 0 upgraded, 0 newly installed, 3 to remove and 1036 not upgraded. After this operation, 295kB disk space will be freed. Do you want to continue [Y/n]? n