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Old 8th October 2008, 10:49
Hans Hans is offline
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Exclamation Howto upgrade from Debian 4 (Etch) to Debian 5 (Lenny)

You probably noticed by now, that Debian GNU/Linux 5.0 aka "Lenny" hasn't been released in September. The reason: too many bugs need to be fixed.

When Lenny has been released, you can upgrade from Etch to Lenny according the steps below:
(According the official Debian documentation, these 5 steps describe the safest way to do that job).

Make a backup of your current Debian Etch system.

Change the content of the file /etc/apt/sources.list.
This means that you need to change "etch" into "lenny".
So in my case i have to change:

deb http://ftp.nl.debian.org/debian/ etch main
deb-src http://ftp.nl.debian.org/debian/ etch main

deb http://security.debian.org/ etch/updates main contrib
deb-src http://security.debian.org/ etch/updates main contrib


deb http://ftp.nl.debian.org/debian/ lenny main
deb-src http://ftp.nl.debian.org/debian/ lenny main

deb http://security.debian.org/ lenny/updates main contrib
deb-src http://security.debian.org/ lenny/updates main contrib

if you use "stable" instead of "etch", your system will make use of the packages provided by Debian Lenny from the moment on that Lenny gets stable!

Execute the command: aptitude update
to get information about new packages

Execute the command: aptitude install dpkg aptitude apt
to install the newest package management

Execute the command: aptitude full-upgrade

The Debian Devel anounce

MrHostman | Managed Hosting

Last edited by Hans; 8th October 2008 at 20:39.
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Old 14th October 2008, 10:02
Hans Hans is offline
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Default Confirmation

I tested this method on my testing server with Debian Etch and ISPConfig
The upgrade to Debian Lenny was succesful.
Don't perform this upgrade on a production server until Lenny is stable.
It seams that ISPConfig 3 runs fine on Lenny.

MrHostman | Managed Hosting
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Old 2nd December 2008, 00:40
PermaNoob PermaNoob is offline
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Hans, how do I make sure I update etch instead of stable?

Never mind, I found it:

/etc/apt/sources.list should have (or another server if you're not near Essen)


deb http://debian.uni-essen.de/debian/ etch main non-free contrib

deb http://security.debian.org/ etch/updates main contrib non-free


Actually, when Lenny goes stable, it would be a good idea to put a "heads up" notice in the forums before noobs like me destroy their servers ;-)

Last edited by PermaNoob; 2nd December 2008 at 00:51.
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