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Questions tagged [zsync]

zsync is a program used to synchronize and transfer files. zsync is a common way to download Ubuntu Installation disk image (ISO) files.

zsync is a program used to synchronize and transfer files. zsync is a common way to download Ubuntu Installation disk image (ISO) files.

When a downloaded zsync file is changed remotely, zsync only downloads the changes instead of downloading the entire file again.

To install zsync, use the following command:

sudo apt-get install zsync -y

The Ubuntu Wiki provides more information on updating Ubuntu Installation ISO files.

13 questions
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How do I update an ISO with zsync?

The context here is the Oneric development ISO. I don't want to have to re-download this every time something changes. I notice that there's a .zsync file in the download directory. From what I know, this should let me update only the chunks that…
Oli
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Is there a mirror for the daily Natty ISO (/daily-live/current) in Asia?

I've been trying to download Natty for days now, but either the internet here in Vietnam is totally shot or the Ubuntu CD server has a lot of traffic, because I can't get it to download faster than about 15Kbps. Does anyone know of a mirror,…
Jonathan
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Zsync download problem

When the zsync downloading a file, sometimes the connection may stuck forever and don't continue for it. Although I can cancel it out, and restart the terminal to continue my downloading task. But it's not a perfect solution for this as it may occur…
Herks
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Unable to sync Ubuntu ISO

I'm trying to sync the Ubuntu 13.04 daily ISO according to this answer. I've used this command: zsync http://cdimage.ubuntu.com/daily-live/current/raring-desktop-amd64.iso.zsync It worked the first time I ran it and I was able to download the…
iBelieve
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2
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1 answer

zenity script for zsync

Can someone make a simple zenity script for zsync which just takes the location of the file to be synced and the zsync file and show progress ?
Lincity
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How to start download ubuntu 14.04

I decided to switch to the new LTS Ubuntu 14.04. Due to the low network speed downloading it will take some days. So it take some time to get the new Ubuntu after release. To avoid the delay I decide to download right now. The plan is start download…
totti
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zsyncs for Precise Beta 1 CD ISOs

Where are the zsync files for the CD-sized ISOs (such as desktop-i386) for the Precise Beta 1? They don't seem to be in the expected location at http://cdimage.ubuntu.com/releases/12.04/beta-1/
Matt Joiner
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Should i update ubuntu 12.04 iso image to 14.04 iso image using zsync?

Can I do this by just renaming the previous iso? or what?
data9
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1 answer

Is Lubuntu Daily Build on 15-04-2014 = Lubuntu 14.04

This question is in 2 parts 1st Part My internet connection is slow (5KBps) and I will download Lubuntu 14.04 on another fast internet connection from my dad's office. This week is full of holidays and the only working day is tomorrow…
Subin
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How do I download an .iso or .img with a downloaded .zsync file?

Copying the link address/URL doesn't always work and you have to delete the "s" out of the https:// to get it to work. So how do you use the downloaded .zsync file to download what you have to download?
Luigi Provencher
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zsync download limit can be increased..?

zsync download limit can be increased...? because, i'am currently downloading a ubuntu *iso files named lunar, and if reaching size more than 4GB can causing zsync making a error log with like the following: error: file too large.
WongFiHung
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1 answer

zsync link error

I've been using zsync for the last few months in order to keep up with the daily lives and recently the link for the zsync file for ubuntu studio has been causing an error in konsole.
JediBuddha
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Is the Format of cdimage.ubuntu.com Static?

Is the site layout of cdimage.ubuntu.com static? If I make a script to zsync an installation ISO every couple weeks will it be working a couple months/years from now? If there are minor changes, do some sections stay static?
Ryan Strandberg
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