Remove unused rpm packages
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Cite from: http://heuristically.wordpress.com/2009/09/03/cleaning-unused-rpm-packages/
On a Fedora, Red Hat, CentOS, Mandriva, or RPM-based similar system, you may have installed some RPM software you don’t use. There are some easy ways to check.
First, look through the biggest packages. This command displays the packages in order from smallest to largest.
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rpm -qa --queryformat=
"%{NAME} %{SIZE}\n"
|
sort
-k 2 -n
On my Fedora 11 system, the end looks like this:
gnome-user-docs 48174253 jre 48824854 kernel 49087730 kernel 49247033 kernel 49264829 libgcj 49666075 wine-core 57989940 thunderbird 70502350 libgweather 79809273 java-1.6.0-openjdk 88175735 gutenprint-foomatic 89742590 ooobasis3.1-core04 91459112 VirtualBox 95813539 glibc-common 97556081 git 100008386 VMware-Player 101075736 texlive-texmf-fonts 112425640 AdobeReader_enu 150806101
What is texlive-texmf-fonts It eats 107MB! This command prints the RPM package description:
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[z@a scripts]$ rpm -qi texlive-texmf-fonts
Name : texlive-texmf-fonts Relocations: (not relocatable) Version : 2007 Vendor: Fedora Project Release : 28.fc11 Build Date: Wed 25 Feb 2009 03:35:16 PM MST Install Date: Fri 24 Jul 2009 03:16:31 PM MDT Build Host: x86-1.fedora.phx.redhat.com Group : Applications/Publishing Source RPM: texlive-texmf-2007-28.fc11.src.rpm Size : 112425640 License: Artistic 2.0 and GPLv2 and GPLv2+ and LGPLv2+ and LPPL and MIT and Public Domain and UCD and Utopia Signature : RSA/8, Mon 16 Mar 2009 04:23:06 PM MDT, Key ID 1dc5c758d22e77f2 Packager : Fedora Project URL : http://tug.org/texlive/ Summary : Font files needed for TeXLive Description : This package contains the components of the TEXMF tree needed for the texlive-fonts package.
I don’t use that directly, so let’s try removing it to see if other software uses it. Using yum remove is better than calling rpm -e because yum checks the dependencies.
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[z@a ~]$
sudo
yum remove texlive-texmf-fonts
Now pay attention! With dependencies, this will remove 11 packages. I know I don’t need these particular packages, so I approve the change and save about 140MB.
Next, you noticed I had three kernels installed? Since I last rebooted a month ago, and I’ve installed two kernel updates. That means I’m using the oldest kernel, and when I reboot, I will use the newest kernel, so I can remove the middle kernel.
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[z@a ~]$ rpm -q kernel
kernel-2.6.29.6-213.fc11.i586 kernel-2.6.29.6-217.2.8.fc11.i586 kernel-2.6.29.6-217.2.16.fc11.i586
This command shows which I am using:
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[z@a ~]$
uname
-a
Linux a.z 2.6.29.6-213.fc11.i586 #1 SMP Tue Jul 7 20:45:17 EDT 2009 i686 athlon i386 GNU/Linux
So I will remove the middle kernel package and save about 50MB.
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[z@a ~]$
sudo
rpm -e kernel-2.6.29.6-217.2.8.fc11.i586
To save more disk space, look for orphaned packages. These are old dependencies that aren’t needed any more. Install rpmorphan:
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[z@a ~]
# sudo yum -y install rpmorphan
Ironically this little 55KB package requires 5MB of dependencies itself. Let’s hope it’s worth it!
While rpmorphan has some command line options, I run it plain:
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[z@a ~]
# rpmorphan
libXevie libXmu-devel libXv-devel libass libdv-devel liberation-fonts-compat libgdiplus-devel libgxim libjpeg-devel libmikmod libpaper libsepol-devel libtextcat libtiff-devel libtirpc
Generally orphaned packages starting with lib are safe to delete. The following command deletes the orphans (and uses triple safety):
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rpmorphan |
grep
^lib |
xargs
sudo
rpm -e
Another way to save disk space is to remove part of installed packages by using the localization (locale) cleaning feature in BleachBit. This saves disk space by removing languages you don’t use.
Finally, I remind you: don’t remove packages you don’t understand! You could destroy your system, though Linux is easy to repair advanced users) if you can boot in to recovery mode, identify the missing packages, and reinstall the missing packages. This repair takes some skills, but it’s simpler than fixing Windows.
Refer:
http://forums.opensuse.org/get-help-here/applications/405306-how-find-unused-packages-2.html
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