484  cp  /etc/apt/sources.list /home/alejandro/source.list.old
  485  sed -i 's/wheezy/jessie' /etc/apt/sources.list
  486  sed -i 's/wheezy/jessie/g' /etc/apt/sources.list
  487  vi /etc/apt/sources.list
  488  apt-get update
  489  apt-get -o APT::Get::Trivial-Only=true dist-upgrade
  490  apt-get autoremove
  491  cp /etc/nginx/sites-available/default /home/alejandro/nginx-default
  492  apt-get dist-upgrade
  493  dpkg -l "linux-image*" | grep ^ii | grep -i meta
  494  apt-cache search linux-image- | grep -i meta | grep -v transition
  495  uname -r
  496  apt-get install linux-image-amd64
  497  dpkg -l | awk '/^rc/ { print $2 }'
  498  apt-get purge $(dpkg -l | awk '/^rc/ { print $2 }')
  499  reboot