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Purge debian packages marked with rc status

12 de Setembro de 2014, 19:55 , por Software Livre Brasil - 0sem comentários ainda | Ninguém está seguindo este artigo ainda.
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Sometimes when I find a package that is installed on my computer (Debian), I found status rc but I never found a explanation in official documentation.

For now, my OS has the following packages marked rc status:

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fike@klatoon:~$ dpkg -l | grep ^[rc]

rc  libaacplus2:i386                      2.0.2-dmo1                            i386         AAC+ encoding library - runtime files
rc  libavcodec55:i386                     10:2.3.3-dmo3                         i386         Library to encode decode multimedia streams - runtime files
rc  libavresample1:i386                   10:2.3.3-dmo3                         i386         FFmpeg audio conversion library
rc  libavutil52:i386                      10:2.3.3-dmo3                         i386         FFmpeg avutil library - runtime files
rc  libavutil53:i386                      6:10.4-1                              i386         Libav utility library
rc  libcrystalhd3:i386                    1:0.0~git20110715.fdd2f19-11          i386         Crystal HD Video Decoder (shared library)
rc  libfaac0:i386                         1:1.28-dmo3                           i386         AAC audio encoder - library files.
rc  libfdk-aac0:i386                      1:0.1.3-dmo1                          i386         Fraunhofer FDK AAC codec library.
rc  libfftw3-long3:amd64                  3.3.4-1                               amd64        Library for computing Fast Fourier Transforms - Long precision
rc  libgssglue1:amd64                     0.4-2                                 amd64        mechanism-switch gssapi library
rc  libjim0.74:amd64                      0.74-3                                amd64        small-footprint implementation of Tcl - shared library
rc  liblcms1:i386                         1.19.dfsg2-1.5                        i386         Little CMS color management library
rc  libmkv0:amd64                         0.6.5.1-dmo3                          amd64        Alternitave to the official libmatroska/libebml libraries.
rc  libmp4v2-2:amd64                      2:2.0.0-dmo2                          amd64        MP4 container library - runtime files
rc  libswresample0:i386                   10:2.3.3-dmo3                         i386         FFmpeg audio rescaling library
rc  libupower-glib2:amd64                 0.99.0-3                              amd64        abstraction for power management - shared library
rc  libx265-25:amd64                      1.2-dmo1                              amd64        x264 video coding library.
rc  libx265-25:i386                       1.2-dmo1                              i386         x264 video coding library.
rc  libx265-31:i386                       1.3-dmo1                              i386         x264 video coding library
rc  libzvbi0:i386                         0.2.35-2                              i386         Vertical Blanking Interval decoder (VBI) - runtime files
rc  pcmciautils                           018-8                                 amd64        PCMCIA utilities for Linux 2.6

fike@klatoon:~$

Let us pick pcmciautils package as example. Checking if it doesn’t be installed on my OS.

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fike@klatoon:~$ dpkg -L pcmciautils
Package `pcmciautils' does not contain any files (!)

fike@klatoon:~$ 

Now, opening “/var/lib/dpkg/status” file, here has the status all packages existents and search pcmciautils package status.

/var/lib/dpkg/status
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...
Package: pcmciautils
Status: deinstall ok config-files
Priority: extra
Section: admin
...

A little strange “deinstall ok config-files” as status, right? Well, it’s more easy to understand. Checking again dpkg manual…

dpkg manual
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fike@klatoon:~$man dpkg
...
   Package selection states
       install
              The package is selected for installation.

       hold   A package marked to be on hold is not handled by dpkg, unless forced to do that with option --force-hold.

       deinstall
              The package is selected for deinstallation (i.e. we want to remove all files, except configuration files).
...

Gotcha! Its more easy to understand. To pcmciautils packages, the rc status is because its removed and still has the configuration file.

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fike@klatoon:~$ find /etc/ /var/ -name "*pcmcia*" -print 2> /dev/null
/etc/pcmcia
/var/lib/dpkg/info/pcmciautils.list
/var/lib/dpkg/info/pcmciautils.postrm
fike@klatoon:~$ 

The finally, removing all packages with rc status.

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root@klatoon:~# aptitude purge $(dpkg -l|grep ^[rc] | awk '{ print $2}')
The following packages will be REMOVED:
  libaacplus2:i386{p} libavcodec55:i386{p} libavresample1:i386{p} libavutil52:i386{p} libavutil53:i386{p} libcrystalhd3:i386{p} libfaac0:i386{p}
  libfdk-aac0:i386{p} libfftw3-long3{p} libgssglue1{p} libjim0.74{p} liblcms1:i386{p} libmkv0{p} libmp4v2-2{p} libswresample0:i386{p} libupower-glib2{p}
  libx265-25{p} libx265-25:i386{p} libx265-31:i386{p} libzvbi0:i386{p} pcmciautils{p}
0 packages upgraded, 0 newly installed, 21 to remove and 4 not upgraded.
Need to get 0 B of archives. After unpacking 0 B will be used.
Do you want to continue? [Y/n/?]
(Reading database ... 214094 files and directories currently installed.)
Removing libaacplus2:i386 (2.0.2-dmo1) ...
Purging configuration files for libaacplus2:i386 (2.0.2-dmo1) ...
Removing libavcodec55:i386 (10:2.3.3-dmo3) ...
Purging configuration files for libavcodec55:i386 (10:2.3.3-dmo3) ...
Removing libavresample1:i386 (10:2.3.3-dmo3) ...
Purging configuration files for libavresample1:i386 (10:2.3.3-dmo3) ...
Removing libavutil52:i386 (10:2.3.3-dmo3) ...
Purging configuration files for libavutil52:i386 (10:2.3.3-dmo3) ...
Removing libavutil53:i386 (6:10.4-1) ...
Purging configuration files for libavutil53:i386 (6:10.4-1) ...
Removing libcrystalhd3:i386 (1:0.0~git20110715.fdd2f19-11) ...
Purging configuration files for libcrystalhd3:i386 (1:0.0~git20110715.fdd2f19-11) ...
Removing libfaac0:i386 (1:1.28-dmo3) ...
Purging configuration files for libfaac0:i386 (1:1.28-dmo3) ...
Removing libfdk-aac0:i386 (1:0.1.3-dmo1) ...
Purging configuration files for libfdk-aac0:i386 (1:0.1.3-dmo1) ...
Removing libfftw3-long3:amd64 (3.3.4-1) ...
Purging configuration files for libfftw3-long3:amd64 (3.3.4-1) ...
Removing libgssglue1:amd64 (0.4-2) ...
Purging configuration files for libgssglue1:amd64 (0.4-2) ...
Removing libjim0.74:amd64 (0.74-3) ...
Purging configuration files for libjim0.74:amd64 (0.74-3) ...
Removing liblcms1:i386 (1.19.dfsg2-1.5) ...
Purging configuration files for liblcms1:i386 (1.19.dfsg2-1.5) ...
Removing libmkv0:amd64 (0.6.5.1-dmo3) ...
Purging configuration files for libmkv0:amd64 (0.6.5.1-dmo3) ...
Removing libmp4v2-2:amd64 (2:2.0.0-dmo2) ...
Purging configuration files for libmp4v2-2:amd64 (2:2.0.0-dmo2) ...
Removing libswresample0:i386 (10:2.3.3-dmo3) ...
Purging configuration files for libswresample0:i386 (10:2.3.3-dmo3) ...
Removing libupower-glib2:amd64 (0.99.0-3) ...
Purging configuration files for libupower-glib2:amd64 (0.99.0-3) ...
Removing libx265-25:i386 (1.2-dmo1) ...
Purging configuration files for libx265-25:i386 (1.2-dmo1) ...
Removing libx265-25:amd64 (1.2-dmo1) ...
Purging configuration files for libx265-25:amd64 (1.2-dmo1) ...
Removing libx265-31:i386 (1.3-dmo1) ...
Purging configuration files for libx265-31:i386 (1.3-dmo1) ...
Removing libzvbi0:i386 (0.2.35-2) ...
Purging configuration files for libzvbi0:i386 (0.2.35-2) ...
Removing pcmciautils (018-8) ...
Purging configuration files for pcmciautils (018-8) ...

root@klatoon:~#

P.S. I know, I could went directly the final but it’s cool understand why of the things.


Fonte: http://www.fernandoike.com/2014/09/12/purge-debian-packages-marked-with-rc-status/

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