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Ubuntu Tricks - how to generate a list of installed packages and use it to reinstall packages

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http://www.arsgeek.com – now you’ve got a list of all of your installed debs in a fairly small file. In my case, I simply moved this file to a thumb-drive. You could also store it on a separate partition or on a disk somewhere. Heck, it’s not that big, email it to your gmail account. (HowTos)

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Submitted by linuxfan on 07/28/2010 – Made popular on 07/28/2010

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Hello Fedora people :)

I'm a Gentoo user looking to learn more about Fedora.

Question: Can Fedora show you a list of packages that have been explicitly installed on the system? Such a list would not include packages that have been installed as dependencies of other packages.

In Gentoo, you can do this simply by taking a look at your /var/lib/portage/world file.

Crazy idea, but it might work for you, if you reinstall your WHOLE system permissions might get fixed, like this: Backing up and retrieving a list of installed packages

It is good practice to keep periodic backups of all pacman-installed packages.

So you want to wipe your hard drive clean and reinstall a fresh Ubuntu copy. Before you do that, it might be wise to make a list of currently installed packages and reinstall them in a jiffy afterwards on the new OS: sudo dpkg --get-selections > package_list.txt Save the text file on a thumb drive, format the drive, reinstall Ubuntu, then to a

Sorry i found how to post in Ubuntu Forum :) , simple "new Thread" button, LOL !!!. Anyway i can leave this question open here i think.

The following command create a list of installed packages on a machine, and then reinstall the same packages in another machine it seems that the command work fine on Ubunt 32 Desktop , but on Ubuntu amd64 (Desktop) the

sudo apt-get dselect-upgrade

tell me t

I need to clean my system and redo it all. Is there any easy way to get rid of every single package I've installed (to a point where it's CentOS minimal)? I can't remember all of the packages and

yum list installed

pulls up a list of 1,000s of packages.

Thanks!

Edit: I cannot reinstall CentOS.

Possible Duplicate: How to list all installed packages?

I would like to list all installed programs to a text file, in case my old ticker doesn't hold up much longer.

Is there anyway this can be done?

I saw this link here but not sure if its want I need or not.

I reinstalled Ubuntu 12.04 after a corruption caused by a faulty operation (not much interesting but you can read about it). The old system had three partitions, one for boot, one for / and one for home. I followed these instructions to restore the system keeping my home dir.

Every time I install a package:

sudo apt-get install <pkg>

apt-get displays a list of suggested packages. I have simply ignored these so far, but some of these suggestions are actually good (and some are not).

When installing CentOS (6.2), it installs a whole bunch of packages, but the installation is often very fast, it's hard to note the names of the packages. I have a couple of questions:

1) I'm guessing I could wait for the entire installation to complete and then query for the list of installed packages on the system. How do I do that?