Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /etc/apt/secring.gpg --trustdb-name /etc/apt/trustdb.gpg --keyring /etc/apt/trusted.gpg --keyserver keyserver.ubuntu.com --recv 71609D4D2F1518FA9C5DC0FB1DABDBB4CEC06767gpg: requesting key CEC06767 from hkp server keyserver.ubuntu.comE: 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?Reading package lists...Building dependency tree...Reading state information...Reading extended state information...Initializing package states...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?Reading package lists...Building dependency tree...Reading state information...Reading extended state information...Initializing package states...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: 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?Reading package lists...Building dependency tree...Reading state information...Reading extended state information...Initializing package states...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: 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?Reading package lists...Building dependency tree...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?Reading package lists...Building dependency tree...Reading state information...Reading extended state information...Initializing package states...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: 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?Reading package lists...Building dependency tree...Reading state information...Reading extended state information...Initializing package states...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?Reading package lists...Building dependency tree...Reading state information...Reading extended state information...