Unpacking libnet-daemon-perl (from .../libnet-daemon-perl_0.48-1_all.deb) ...
Selecting previously unselected package libplrpc-perl.
Unpacking libplrpc-perl (from .../libplrpc-perl_0.2020-2_all.deb) ...
Selecting previously unselected package libdbi-perl.
Unpacking libdbi-perl (from .../libdbi-perl_1.616-1build2_amd64.deb) ...
Selecting previously unselected package libdbd-mysql-perl.
Unpacking libdbd-mysql-perl (from .../libdbd-mysql-perl_4.020-1build2_amd64.deb) ...
Selecting previously unselected package mysql-client-5.5.
Unpacking mysql-client-5.5 (from .../mysql-client-5.5_5.5.22-0ubuntu1_amd64.deb) ...
Selecting previously unselected package mysql-server-core-5.5.
Unpacking mysql-server-core-5.5 (from .../mysql-server-core-5.5_5.5.22-0ubuntu1_amd64.deb) ...
Selecting previously unselected package mysql-server-5.5.
Unpacking mysql-server-5.5 (from .../mysql-server-5.5_5.5.22-0ubuntu1_amd64.deb) ...
Selecting previously unselected package libhtml-template-perl.
Unpacking libhtml-template-perl (from .../libhtml-template-perl_2.10-1_all.deb) ...
Selecting previously unselected package mysql-server.
Unpacking mysql-server (from .../mysql-server_5.5.22-0ubuntu1_all.deb) ...
Processing triggers for man-db ...
Processing triggers for ureadahead ...
ureadahead will be reprofiled on next reboot
Setting up libnet-daemon-perl (0.48-1) ...
Setting up libplrpc-perl (0.2020-2) ...
Setting up libdbi-perl (1.616-1build2) ...
Setting up libdbd-mysql-perl (4.020-1build2) ...
Setting up mysql-client-5.5 (5.5.22-0ubuntu1) ...
Setting up mysql-server-core-5.5 (5.5.22-0ubuntu1) ...
Setting up mysql-server-5.5 (5.5.22-0ubuntu1) ...

Configuration file `/etc/apparmor.d/usr.sbin.mysqld'
 ==> Modified (by you or by a script) since installation.
 ==> Package distributor has shipped an updated version.
   What would you like to do about it ?  Your options are:
    Y or I  : install the package maintainer's version
    N or O  : keep your currently-installed version
      D     : show the differences between the versions
      Z     : start a shell to examine the situation
 The default action is to keep your current version.
*** usr.sbin.mysqld (Y/I/N/O/D/Z) [default=N] ? 
Installing new version of config file /etc/init/mysql.conf ...
start: Job failed to start
invoke-rc.d: initscript mysql, action "start" failed.
dpkg: error processing mysql-server-5.5 (--configure):
 subprocess installed post-installation script returned error exit status 1
Setting up libhtml-template-perl (2.10-1) ...