Checking Package Dependencies with apt-rdepends On Debian/Ubuntu
Version 1.0
Author: Falko Timme
This short guide shows how you can check the dependencies of a package with the tool apt-rdepends on Debian and Ubuntu systems. The great thing about apt-rdepends is that it resolves dependencies recursively, i.e., not only does it show the direct dependencies of a package, but also the dependencies' dependencies. This is great, for example, if you want to rebuild a package from the sources, etc.
This document comes without warranty of any kind! I do not issue any guarantee that this will work for you!
apt-rdepends
In order to install apt-rdepends, we simply run
apt-get install apt-rdepends
Afterwards, we can use it to resolve dependencies. To learn more about its usage, take a look at
man apt-rdepends
Usually, you just use it with a package name, e.g. apt-rdepends package. For example, to check the dependencies of the package libapache2-mod-php5, we run
apt-rdepends libapache2-mod-php5
Here's a sample output from a Debian Etch system:
server1:~# apt-rdepends libapache2-mod-php5
Reading package lists... Done
Building dependency tree... Done
libapache2-mod-php5
Depends: apache2-mpm-itk
Depends: apache2-mpm-prefork (>> 2.0.52)
Depends: apache2.2-common
Depends: libbz2-1.0
Depends: libc6 (>= 2.3.6-6)
Depends: libcomerr2 (>= 1.33-3)
Depends: libdb4.4
Depends: libkrb53 (>= 1.4.2)
Depends: libmagic1
Depends: libpcre3 (>= 4.5)
Depends: libssl0.9.8 (>= 0.9.8c-1)
Depends: libxml2 (>= 2.6.27)
Depends: mime-support (>= 2.03-1)
Depends: php5-common (= 5.2.0-8+etch1)
Depends: ucf
Depends: zlib1g (>= 1:1.2.1)
apache2-mpm-itk
Depends: apache2.2-common (= 2.2.3-4+etch5)
Depends: libapr1
Depends: libaprutil1
Depends: libc6 (>= 2.3.6-6)
Depends: libcap1
Depends: libdb4.4
Depends: libexpat1 (>= 1.95.8)
Depends: libldap2 (>= 2.1.17-1)
Depends: libpcre3 (>= 4.5)
Depends: libpq4 (>= 8.1.4)
Depends: libsqlite3-0 (>= 3.3.8)
Depends: libuuid1
apache2.2-common
Depends: apache2-utils
Depends: libmagic1
Depends: lsb-base
Depends: mime-support
Depends: net-tools
Depends: procps
apache2-utils
Depends: libapr1
Depends: libaprutil1
Depends: libc6 (>= 2.3.6-6)
Depends: libdb4.4
Depends: libexpat1 (>= 1.95.8)
Depends: libldap2 (>= 2.1.17-1)
Depends: libpcre3 (>= 4.5)
Depends: libpq4 (>= 8.1.4)
Depends: libsqlite3-0 (>= 3.3.8)
Depends: libssl0.9.8 (>= 0.9.8c-1)
Depends: libuuid1
libapr1
Depends: libc6 (>= 2.3.6-6)
Depends: libuuid1
libc6
Depends: tzdata
tzdata
libuuid1
Depends: libc6 (>= 2.3.6-6)
libaprutil1
Depends: libapr1
Depends: libc6 (>= 2.3.6-6)
Depends: libdb4.4
Depends: libexpat1 (>= 1.95.8)
Depends: libldap2 (>= 2.1.17-1)
Depends: libpq4 (>= 8.1.4)
Depends: libsqlite3-0 (>= 3.3.7)
Depends: libuuid1
libdb4.4
Depends: libc6 (>= 2.3.6-6)
libexpat1
Depends: libc6 (>= 2.3.6-6)
libldap2
Depends: libc6 (>= 2.3.6-6)
Depends: libgnutls13 (>= 1.4.0-0)
Depends: libsasl2-2
libgnutls13
Depends: libc6 (>= 2.3.6-6)
Depends: libgcrypt11 (>= 1.2.2)
Depends: libgpg-error0 (>= 1.4)
Depends: liblzo1
Depends: libopencdk8 (>= 0.5.8)
Depends: libtasn1-3 (>= 0.3.4)
Depends: zlib1g (>= 1:1.2.1)
libgcrypt11
Depends: libc6 (>= 2.3.6-6)
Depends: libgpg-error0 (>= 1.2)
libgpg-error0
Depends: libc6 (>= 2.3.6-6)
liblzo1
Depends: libc6 (>= 2.3.5-1)
libopencdk8
Depends: libc6 (>= 2.3.6-6)
Depends: libgcrypt11 (>= 1.2.2)
Depends: libgpg-error0 (>= 1.4)
Depends: zlib1g (>= 1:1.2.1)
zlib1g
Depends: libc6 (>= 2.3.6-6)
libtasn1-3
Depends: libc6 (>= 2.3.6-6)
libsasl2-2
Depends: libc6 (>= 2.3.6-6)
Depends: libdb4.2
libdb4.2
Depends: libc6 (>= 2.3.6-6)
libpq4
Depends: libc6 (>= 2.3.6-6)
Depends: libcomerr2 (>= 1.33-3)
Depends: libkrb53 (>= 1.4.2)
Depends: libssl0.9.8 (>= 0.9.8c-1)
libcomerr2
Depends: libc6 (>= 2.3.6-6)
libkrb53
Depends: libc6 (>= 2.3.6-6)
Depends: libcomerr2 (>= 1.33-3)
libssl0.9.8
Depends: debconf (>= 0.5)
Depends: debconf-2.0
Depends: libc6 (>= 2.3.6-6)
Depends: zlib1g (>= 1:1.2.1)
debconf
Depends: debconf-english
Depends: debconf-i18n
PreDepends: perl-base (>= 5.6.1-4)
debconf-english
Depends: debconf
debconf-i18n
Depends: debconf
Depends: liblocale-gettext-perl
Depends: libtext-charwidth-perl
Depends: libtext-iconv-perl
Depends: libtext-wrapi18n-perl
liblocale-gettext-perl
Depends: libc6 (>= 2.3.2.ds1-21)
PreDepends: perl-base (>= 5.8.7-3)
PreDepends: perlapi-5.8.7
perl-base
PreDepends: libc6 (>= 2.3.6-6)
perlapi-5.8.7
libtext-charwidth-perl
Depends: libc6 (>= 2.3.6-6)
Depends: perl-base (>= 5.8.8-6)
Depends: perlapi-5.8.8
perlapi-5.8.8
libtext-iconv-perl
Depends: libc6 (>= 2.3.6-6)
Depends: perl-base (>= 5.8.8-6)
Depends: perlapi-5.8.8
libtext-wrapi18n-perl
Depends: libtext-charwidth-perl
debconf-2.0
libsqlite3-0
Depends: libc6 (>= 2.3.6-6)
libpcre3
Depends: libc6 (>= 2.3.6-6)
libmagic1
Depends: libc6 (>= 2.3.6-6)
Depends: zlib1g (>= 1:1.2.1)
lsb-base
Depends: ncurses-bin
Depends: sed
ncurses-bin
PreDepends: libc6 (>= 2.3.6-6)
PreDepends: libncurses5 (>= 5.4-5)
libncurses5
Depends: libc6 (>= 2.3.6-6)
sed
PreDepends: libc6 (>= 2.3.6-6)
mime-support
net-tools
Depends: libc6 (>= 2.3.2.ds1-21)
procps
Depends: libc6 (>= 2.3.6-6)
Depends: libncurses5 (>= 5.4-5)
Depends: lsb-base (>= 3.0-10)
libcap1
Depends: libc6 (>= 2.3.2.ds1-4)
apache2-mpm-prefork
Depends: apache2.2-common (= 2.2.3-4)
Depends: libapr1
Depends: libaprutil1
Depends: libc6 (>= 2.3.6-6)
Depends: libdb4.4
Depends: libexpat1 (>= 1.95.8)
Depends: libldap2 (>= 2.1.17-1)
Depends: libpcre3 (>= 4.5)
Depends: libpq4 (>= 8.1.4)
Depends: libsqlite3-0 (>= 3.3.8)
Depends: libuuid1
libbz2-1.0
Depends: libc6 (>= 2.3.6-6)
libxml2
Depends: libc6 (>= 2.3.6-6)
Depends: zlib1g (>= 1:1.2.1)
php5-common
Depends: sed (>= 4.1.1-1)
ucf
Depends: coreutils (>= 5.91)
Depends: debconf (>= 1.2.0)
Depends: debconf-2.0
coreutils
PreDepends: libacl1 (>= 2.2.11-1)
PreDepends: libc6 (>= 2.3.6-6)
PreDepends: libselinux1 (>= 1.32)
libacl1
Depends: libattr1 (>= 2.4.4-1)
Depends: libc6 (>= 2.3.6-6)
libattr1
Depends: libc6 (>= 2.3.5-1)
libselinux1
Depends: libc6 (>= 2.3.6-6)
Depends: libsepol1 (>= 1.14)
libsepol1
Depends: libc6 (>= 2.3.6-6)
server1:~#
Links
- Debian: http://www.debian.org
- Ubuntu: http://www.ubuntu.com
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1 Comment(s)
Comments
No need to install apt-rdepends, there is a command that you can use with some extra arguments (dpkg-query maybe or something), but I forgot which one it is.
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