Download multiple flavours of Ubuntu with minimal bandwidth consumption using Zsync

9:45 PM , , 0 Comments

Very recently, Ubuntu 14.04 was released. And I wanted to download the different flavours of the Ubuntu GNU/LINUX. I was sighing as I had only a  really slow internet connection. And then came to know about Zsync . It really saves your bandwidth on downloading the different flavours of Ubuntu.


Ubuntu Flavours - Most prominent

Lets say, you have Ubuntu 14.04 ISO and want to download Ubuntu GNOME 14.04. What will you do ? Download both of them completely ? That would work great, if you've got plenty of Internet Speed and Unlimited Bandwidth and patience too. But for people like me, who have slow internet connection or limited bandwidth, we cannot afford to do so. So, using this method, you can save your bandwidth and time. When I downloaded Ubuntu GNOME with having Ubuntu ISO image already with me, only 25% of the Ubuntu GNOME ISO needed to be downloaded and the rest was taken from the Ubuntu ISO that I already had.

What is zsync ?

zsync is a file transfer program. It allows you to download a file from a remote server, where you have a copy of an older version of the file on your computer already. zsync downloads only the new parts of the file.

Installing Zsync :

If you are Ubuntu or Ubuntu derivates, then you can install Zsync from the repository by issuing the following command :
sudo apt-get install zsync
For all linux distros, you can download the tarball and install from it. Check out ZSync downloads page to know more.

Downloading different ubuntu flavours with Zsync :

Thus you have an ubuntu ISO image already, and using this, you'll download the rest of the flavours.
You can download the different flavours using the following steps :
  1. Download any one flavour first. This will act as the base for downloading others.
  2. Then head to the Ubuntu releases page.
  3. And pick your next flavour and the release to download
  4. Then copy the link address for the zsync file.
  5. Copy the Zsync file's address

  6. Open Terminal and type the following :
zsync <paste the zsync file link> -i <your base ISO file name>

For example,

zsync http://cdimage.ubuntu.com/kubuntu/releases/14.04/release/kubuntu-14.04-desktop-amd64.iso.zsync -i ubuntu-14.04-desktop-amd64.iso

Downloading with Zsync

Thats it, and after that you can also continue with the other flavours.

Have you enjoyed the Ubuntu flavours ? Stay tuned with us for more tips and tricks.See the right pane for our social networking links 

A LINUX enthusiast and tech passionate guy. Love to watch Anime and play cricket. Got extra bit of care in myself, guess that's what people call selfishness :-P Google+