the default release setting is in /etc/apt/apt.conf, just edit it to 'unstable'.
To upgrade everything to unstable you set this setting to unstable the do 'apt-get upgrade' or 'apt-get dist-upgrade'.
A couple of caveats:
first, it will upgrade everything on your system; this can be a long download. Fortunately, if the d/l is stopped in progress, it will start up again where it left off. If it finishes but reports "unable to download some packages", just re-run the upgrade command until it gets everything it needs.
second, it can cause problems and sometimes break things. Sometimes, for instance, apt may need to overwrite a file it can't find or may be unable to overwrite it for some other reason and will just report an error and refuse to continue. If this happens apt will not work at all until the error is corrected. For this reason it is sometimes safer just to upgrade the packages you want to upgrade with 'apt-get -t unstable install'. You can leave off the '-t unstable' if you set the default to unstable.
If you are not using kde you would just 'apt-get -t unstable k3b' because you probably don't have kdebase installed.
Last edited by CrashedAgain; 06-14-2006 at 04:53 PM.
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