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Current HOWTO: Debian-Jigdo


7. Errata

7.1. jigdo-easy

Jigdo-easy, by Anne Bezemer, is a fork from jigdo-lite which is portable to a wider range of systems, including Microsoft Windows, old SunOS, HP-UX and IRIX). It's also easier to use than jigdo-lite but because of changes made to Jigdo, will only work with Potato and Woody. Jigdo-easy will not be able to download Sarge and Sid. See Section 7.4 and Section 6.16.

7.2. GUI Interface

A GTK+ interface to jigdo is currently being worked on. It's not fully functional yet, but will be available at some point. There will be a Linux as well as a Windows GUI client.

7.3. jigdo-file-cache.db

The cache contains the md5sums of files read when you supply a directory at the Files to scan: prompt. If you have jigdo-file scan the same directory a second time, the scan will be very fast.

This could be useful in the following case: rev0 gets updated to rev1. With the rev1 CD images, some packages may have been pushed from CD n to CD n+1, or vice versa. If you had a particularly slow link (e.g. modem), you'd try to avoid downloading these packages again. For this reason, when downloading the new version of CD n, you'd let jigdo-lite scan the three CDs n-1, n and n+1 (or even all 8 CDs if you want to be 100% sure).

If you have jigdo-lite scan the same CDs over and over again while updating each of the 8 CD images, the cache will prevent all the data on the CDs from being read multiple times.

The cache is much more important when generating jigdo files, because you don't want jigdo-file to read in your whole 50GB Debian mirror for every generated jigdo file.

7.4. Resources

This HOWTO is winding down to a close, but I thought I'd leave you with a few links and references to learn more about the jigdo tools and how they work.


This is the jigdo home site. You should definitely browse this site; lots of information about ports, GUI clients and everything under the sun relating to jigdo.


The Debian page for jigdo-easy (Section 7.1).


The main Debian page for jigdo.


If you're using Potato or Woody, please upgrade jigdo-file to version 0.7.0-2, which comes with testing or unstable (Section 6.14).


You can use this page to search the debian-cd mailing list archives.


The subscription page for the debian-cd mailing list.

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