Offline Upgrade

Please follow the steps in order to upgrade the system offline, without the Internett connection:
1. Download the iso image from ''
2. Burn iso image on USB stick (min. 2GB)
3. Login into the system & run:
  • 1) mkdir /tmp/iso
  • 2) sudo mount /dev/<YOUR DEVICE HERE>1 /tmp/iso
  • 3) echo 'deb file:/tmp/iso precise main extras' | sudo tee /etc/apt/sources.list.d/local.list
  • 4) comment nameservers if they are any in /etc/resolv.conf
  • 5) if server was on the internet before, run: sudo rm -r /var/lib/apt/lists/*
  • 6) sudo apt-get update -> can give errors
  • 7) sudo apt-get dist-upgrade

Did you find this article helpful?