Ubuntu Testing Time

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As Christer Edwards reports, the 4th Alpha release of Ubuntu 7.10 is available for testing. Christer sums up everything quite nicely, but I’d just like to add one thing though. If you have restricted bandwidth, you can use rsync to update between builds, whether they are daily builds or new alpha builds. Rsync (mostly) only downloads the differences between CD images, saving you time and bandwidth.

If you have an Edubuntu alpha server ISO for example, and you’d want to update it, and the new ISO image is located at http://cdimage.ubuntu.com/edubuntu/releases/gutsy/tribe-4/gutsy-server-i386.iso, then you simply need to replace the ‘http’ with ‘rsync’, and add a ‘cdimage’ after the ‘cdimage.ubuntu.com’, then you can use it with the rsync command to sync it to the latest image:

$ rsync -avP rsync://cdimage.ubuntu.com/cdimage/edubuntu/releases/gutsy/tribe-4/gutsy-server-i386.iso gutsy-server-i386.iso

You need to do that in a directory that currently contains an older copy of the ISO image. I suggest you make a copy of the old ISO, just in case there is something wrong with a newer build that makes the image unusable!

While you’re at it, also try out the newest LTSP builds available for Gutsy. LTSP has made some important strides in this release. One of the most interesting changes, is that NFS has been dropped in favour of NBD, which currently provides increased performance, and will allow for better security in the future.

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2 Responses to “Ubuntu Testing Time”

  1. Roel Says:

    Is using rsync a preferred way of retrieving the latest tribe? Because what I understood back in April is that it would cause too much of a load on the server if many people would start doing that:


    Jigdo was suggested as the alternative.

  2. jonathan Says:

    Roel, you’re quite right. Perhaps I should suggest that if you do want to rsync, that you should certainly do it from a mirror instead.

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