Fastest method of upgrading Ubuntu

Posted by Ting
October 30, 2008

Ubuntu 8.10 rolled out yesterday and as such the Ubuntu servers are hammered by people trying to upgrade through the network.

The quickest method of upgrading Ubuntu is as follows:

  1. Download the alternate ISO off BitTorrent.
  2. Change your package source server from the default to the fastest available:
    a. Within Ubuntu, go to System > Administration > Software Sources
    b. Click on Download From > Other.
    c. Choose “Select Best Server”.  Ubuntu will scan for the fastest server for you.
    d. Click on “Choose Server” and close out all the dialog boxes.
  3. Mount the ISO:
    sudo mount -o loop ~/ubuntu-8.10-alternate-i386.iso /media/cdrom0
  4. You should get a pop up asking if you want to upgrade and click yes.  If not, run:
    gksudo “sh /cdrom/cdromupgrade”

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  5. During the upgrade process you can choose whether or not to download updates off the network.  Choosing no will be the fastest option, but you’re merely postponing downloading the extra packages until later.

Update 11/15/2008:

I wanted to add that using this method will add the CD into your apt sources, prompting you to add your CD in whenever using apt-get to install packages.  Fix this by simply editting /etc/apt/sources.list and comment out all “deb cdrom:” lines at the top as root.

Update 12/17/2008:

This does not work with AMD64b installations as the alternate ISO only supports i386.

ubuntu

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