gistfile1.txt

$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages have been kept back:
  libohai-ruby libohai-ruby1.8 linux-ec2 linux-image-ec2 linux-image-virtual linux-virtual
The following packages will be upgraded:
  apache2 apache2-mpm-worker apache2-prefork-dev apache2-utils apache2.2-bin apache2.2-common apt apt-transport-https apt-utils base-files consolekit cpp-4.4 cron
  g++-4.4 gcc-4.4 gcc-4.4-base grub-common grub-pc initscripts libc-bin libc-dev-bin libc6 libc6-dev libck-connector0 libgcc1 libgomp1 libmysqlclient-dev
  libmysqlclient16 libpam-ck-connector libpng12-0 libstdc++6 libstdc++6-4.4-dev linux-libc-dev mysql-common ohai openssl procps python-boto python-httplib2
  python-lazr.restfulclient python-pam python-software-properties python-wadllib sysv-rc sysvinit-utils tzdata unattended-upgrades update-manager-core
48 upgraded, 0 newly installed, 0 to remove and 6 not upgraded.
Need to get 40.2MB of archives.
After this operation, 1,356kB disk space will be freed.

# run ...

$ dpkg -l | grep ohai
ii  libohai-ruby                      0.6.10-1                          Library to collect data about your operating
ii  libohai-ruby1.8                   0.6.10-1                          Ruby 1.8 library to collect data about your 
ii  ohai                              0.6.12-2                          Detects data about your operating system and