September 4th, 2009 | 
Author: Squeeze is the current testing branch of Debian. It does not have the stability of Lenny, but has more updated packages. However, what It is my experience, that what Debian calls testing, is considered stable in other distributions (e.g Ubuntu). Packages are updated more frequently and minor breakage is a possibility. With this in mind, upgrading to Squeeze is relatively easy.
Edit /etc/apt/sources.list and replace instances of lennys with squeeze, except your security patches. Check information for availability of squeeze with any third party repositories.
Now the fun begins (as root)
sudo aptitude update
sudo aptitude install apt dpkg aptitude
sudo aptitude full-upgrade
Enjoy!
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Tags: 3 Responses to “Upgrade Debian Lenny to Squeeze”
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So you are running Squeeze on your everyday machine now, or did you just check out a test-installation?
Looks like I have to rethink my philosophy. I really thought, I can keep my systems consistent on Lenny for the time being, but as it seems, that just does not work out. I guess I leave Lenny just for server use, but go for Squeeze on the workstation / laptop / netbook, since I really want the latest Xfce and Firefox/Iceweasel. Mixing with not really up-to-date 3rd-party-repos (like desktop-multimedia.org with Xfce 4.6.0 instead of 4.6.1) may be worse then going for Squeeze.
I tried squeeze out for a few weeks, but kept running into minor issues that irritated me (which I can’t remember right now). So I tested a few other bistros and came back to Debian Lenny. Currently I am running a mixture of XFCE 4.6.0 and 4.6.1 from two different repose and haven’t had any issues. I will try squeeze again probably, when it goes into deep freeze near the end of this year or beginning of next. As for Firefox I just use the binaries from Mozilla.
Both back-ports and Debian multimedia have 4.6.1 in there repose this is true, the unfortunate thing, is when I did it there where unmet dependence issues on both repose. what i did was I ended up using aptitude in-place of atp-get because it has some nifty ways around dependency issues. You could give aptitude -t lenny-backports install xfce4 a try – and it should give you some options for resolving dependencies by substituting some of the lower version packages when necessary. When i click the about XFCE in the meno it says i have 4.6.0, but I know for a fact most of the components are actually 4.6.1. It was a little complicated, but now I have it running there haven’t been any problems. Maybe this will help.