volition@volition-H61M-DS2:~$ sudo apt-get install drupal6
sudo: /etc/sudoers.d/README is mode 0755, should be 0440
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
  libatk1.0-0:i386 libxcomposite1:i386 ruby-text-format ruby-activesupport-2.3
  libwrap0:i386 nspluginwrapper libsamplerate0:i386 libi18n-ruby
  libbuilder-ruby rake libjack-jackd2-0:i386 libnspr4-0d:i386 libcairo2:i386
  libmemcache-client-ruby1.8 ruby-actionmailer-2.3 libsqlite3-ruby1.8
  libmemcache-client-ruby ruby-activerecord-2.3 ruby-rchardet libdatrie1:i386
  libjson0:i386 libgdk-pixbuf2.0-0:i386 libpixman-1-0:i386 ruby-tmail
  libjs-scriptaculous libxinerama1:i386 nspluginviewer:i386 libxft2:i386
  libbuilder-ruby1.8 libspeexdsp1:i386 libthai0:i386 libasound2:i386
  libflac8:i386 libtzinfo-ruby1.8 libvorbisenc2:i386 ruby-rails-2.3
  libasyncns0:i386 libjasper1:i386 ruby-activeresource-2.3 libtzinfo-ruby
  libpango1.0-0:i386 libpulse0:i386 libxcb-render0:i386 libvorbis0a:i386
  libxcursor1:i386 libxcb-shm0:i386 libi18n-ruby1.8 ruby-actionpack-2.3
  libxrandr2:i386 libnss3-1d:i386 libsndfile1:i386 libsqlite3-ruby
  libgtk2.0-0:i386 libasound2-plugins:i386 libogg0:i386
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
  postfix
Suggested packages:
  procmail postfix-mysql postfix-pgsql postfix-ldap postfix-pcre sasl2-bin
  dovecot-common resolvconf postfix-cdb
The following NEW packages will be installed:
  drupal6 postfix
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
E: Could not get lock /var/cache/apt/archives/lock - open (11: Resource temporarily unavailable)
E: Unable to lock directory /var/cache/apt/archives/