Mirrors

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Looking for a list of Ubuntu archive or CD images mirrors?

The distribution of Ubuntu CD images and packages can always be improved. There's a team working on improving user experiences every day, making Ubuntu available to you. You can help too, by creating a mirror of your own and provide people near you with a reliable mirror.

These pages tell you what to expect, and what Ubuntu expects. You can also find example scripts to sync, and guidelines on maintaining your mirror.

There are two types of mirrors:

  • Country mirrors (e.g. nl.archive.ubuntu.com/nl.releases.ubuntu.com)
  • Normal mirrors (reachable via their own hostname)

If you wish to create a new mirror, please read this page and its sub-pages. If you want to apply for being a country mirror, please read these requirements.

Registration

If your mirror is meant to be used by others, please go and register it at Launchpad. You may need to create a Launchpad account first. When your registration is successful and approved, it will show up on the mirror lists on Launchpad. It will also be checked by Launchpad. If you registered a CD-mirror and registration is successful and approved, it will also show up on the Ubuntu download pages.

Mirror Guidelines

To keep your mirror up to date and working, please follow these guidelines:

  • Be committed to being a mirror. Obviously, each offer to be an Ubuntu mirror is great and users appreciate it. However, it's in nobody's interest to go and change the sources.list every time a mirror disappears. So if you're not planning on creating a mirror for the long run, don't register it. People might get disappointed in you and/or Ubuntu.

  • Know what you're starting with. A mirror may cause a lot of traffic. If your server has insufficient bandwidth, users cannot download very well and your machine may become unreachable. If you pay for traffic, please note that traffic might increase, a lot.

  • Make sure you have enough disk space. The Ubuntu archive, as of 2021-07-01, uses about:

    • 1.5TB of disk space for the Ubuntu package archive.

    • 23GB for Ubuntu release CD images.

  • ... and is slowly growing. A full disk will get you out of sync and cause problems for your users.

  • Keep up to date. Please try to mirror about four times a day (so every six hours) for archive mirrors. Since Ubuntu only releases every six months or so, a daily check on a releases mirror is sufficient. Push mirroring is available as an alternative.

  • Monitor the output of your sync scripts. Sometimes, syncing of the mirrors fails. That's ok, but it is very important that you monitor that and correct faults. Missing packages are not very user-friendly, so try to avoid that.

  • Subscribe to the mirror mailing lists. There are two mailing lists for mirror admins, you have the ubuntu-mirrors mailing list for discussion and tips & tricks about mirroring. There's also ubuntu-mirrors-announce which announces big updates and deletes on the mirrors.

Country mirror requirements

If you want to apply for being a country mirror, you MUST follow these requirements:

  • In case of an archive mirror:
  • In case of a releases mirror, update every 4 hours (six times a day) or have push mirroring set up.

  • Provide the following services:
    • HTTP
    • Optional, but beneficial: Rsync (modules 'ubuntu' for archive and 'releases' for releases).
  • Keep your Launchpad-account up to date, so we can reach you if needed.
  • In case of an archive mirror, the archive must be available at the following URL:
  • In case of a releases mirror, the releases must be available at the following URL:
  • Subscribe to ubuntu-mirrors-announce which announces big updates and deletes on the mirrors.

  • Note: The way apt works means that all of the hosts behind a given name must be in sync. If there is already a country mirror for that country, then you need to work out with that country mirror which one is the better one going forward, since there can only be one. (If there is more than one host, they should be on the same lan and making sure that they remain consistent in the view that they present to the users.

Releases Statistics

Releases approximately take up the following number of bytes (as of 2019-03-27):

Release

Size in bytes

Size in GB

Precise

4625553121

4.3G

Trusty

3775672451

3.5G

Xenial

5324338074

5.0G

Bionic

2876699930

2.7G

Cosmic

2929092930

2.7G

ubuntu-core

1783731688

1.7

Total

16589609199

20G

Communication

If you want to get in touch with other mirror-admins, feel free to join us at #ubuntu-mirrors on https://libera.chat. Also, if you have questions, email us at mirrors@ubuntu.com.


CategoryArchive

Mirrors (last edited 2021-10-25 08:36:55 by sajoupa)