Dating countdown

Note that this won't keep track of which packages were explicitly installed by the user and which were installed as dependencies.

dating countdown-23

In the meantime, make a list of the packages you really need on a re-install and run that This should be the answer, but using aptitude is a bit unreliable because of Multiarch currently (fixes on the way), unfortunately.

Still +1 for pointing out only listing explicitly installed packages and a way to do this (despite it won't work on 11.10+ currently).

While the above simple answers are good for the general user.

This method by far is the best for backtracking all the customizations done to the machine, as it also shows what was removed, or added, from the base image, as it list them in the sequence it was performed, and helps you remember which is the correct sequence to add them back in another system.

So, it should just give a list of explicitly installed packages (though this includes packages that were part of the default initial install) without all of the dependencies included due to these packages being installed.

To output the result into a text file: Well the question was for installed packages and this gives all installed packages minus the automatically installed dependencies.It does include the initial packages as part of the initial install.I guess you could run this on a fresh install to get a list of the default installs and then subtract that from this to see the difference.You can use Synaptic to save the current state of your installed packaged.In Synaptic, select "file/save markings", Enter the name of the file to save the state to, and make sure to check the "Save full state, not only changes" box.The file saved from this can be loaded into a new machine using "file/read markings" in Synaptic. Even though it is designed for servers, it can be also used from desktops as well.

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