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Debian GNU/Linux Reference Guide
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Debian Reference
Chapter 5 - Upgrading a distribution to stable, testing, or unstable


Official release notes for upgrading are located at https://www.debian.org/releases/stable/releasenotes and https://www.debian.org/releases/testing/releasenotes (work in progress).

Upgrading a system to the stable, testing, or unstable distribution may require several steps which must be in the following order:

  • Upgrade to Woody (if your system is older than Woody)

  • Upgrade to stable

  • Upgrade to testing

  • Upgrade to unstable

Debian does not support upgrades that skip intermediate releases.


5.1 Upgrading from Potato to Woody

This procedure is described separately because Potato's APT did not have all the features described in the current apt_preferences(5) manpage.

After including only Woody sources in /etc/apt/sources.list, upgrade APT and required core packages to Woody versions by doing the following:

     # apt-get update
     # apt-get install libc6 perl libdb2 debconf
     # apt-get install apt apt-utils dselect dpkg

Then upgrade the rest of the system to Woody.

     # apt-get upgrade
     # apt-get dist-upgrade

Debian GNU/Linux Reference Guide
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