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## Auto-converted by kwiki2moinmoin v2005-10-07
== Contents of a debian file ==
To get the contents of the file "abc.deb", you have to enter
$ dpkg-deb -c abc.deb
#language en
||||<tablestyle="width: 100%; border: 0px hidden">||<style="border: 0px hidden">||
||<style="border: 0px hidden">[:FrontPage:Front page] > Package management||<style="text-align: right; border: 0px hidden"> ||<style="text-align: right; border: 0px hidden"> (!) [:/Discussion:Discussion]||
||<style="border: 0px hidden">~-''Translation(s): [:French/PortalApt:Français]''-~||
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== Reconfiguring of debconf ==
To reconfigure debconf, so that it informs you of most changes of the new packages, you have to enter
# dpkg-reconfigure debconf
Chose "medium" here
||<tablestyle="width: 100%; text-align: center; border: 0px hidden"> http://www.debian.org/logos/openlogo-nd-50.png http://www.debian.org/Pics/debian.png||
||<style="border: 0px hidden">~+inline:Portal/IDB/logo_portal.png Welcome on ["Debian"] package management+~||
----
inline:Portal/IDB/icon-apt-32x32.png The main goal of this portal is to learn to install and update your softwares. It explains how to manage software packages with [:Apt:apt] tools. This portal fits for beginner. So it uses a simplified informatic language. We recommand to read [:QuickInstall:installation of Debian] before to start here.
----
["Apt"] and ["dpkg"] are the heart of ["Debian"] subsystem package management. These programs help to install, remove or get your system up-to-date.
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== Package Management with apt-get and dpkg ==
=== Package resource list for APT ===
The file /etc/apt/sources.list is the definition file of the sources for apt. For further information about this file type
man 5 sources.list
||<tablestyle="width:100%;" style="width:32px;border-color:#ff9ec2" >inline:Portal/IDB/official-doc.png||<style="border-color:#ff9ec2;background-color:#ffe4f1" >[http://www.debian.org/doc/manuals/quick-reference/ch-package.en.html debian.org] - Official information||
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===Retrieve new lists of packages:  * ["Synaptic"] a nice graphical tool to manage your package
 * ["Apt"] is the heart of ["Debian"] subsystem package management
 * [:DebianPackageManagement:Advanced information about the package management]
 * DebianPackage
 * DebianPackageDocumentation
 * PackageInstallTips
 * SourcePackage
 * DebianPackageConfiguration
 * SourcesList
 * ["sources.list example"]
 * DpkgConffileHandling
 * ["dselect"]
 * SourcesList
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To fetch the new lists of all the packages from sources.list enter as root
# apt-get update
This command checks for new release-files on the given servers. Luckily the command is clever enough to check if the release-file has changed after the last update.

===Upgrade of all the files:

To make an update of all the changed packages, enter the line
# apt-get update -u
The additional flag -u shows a list of upgraded packages as well. If you want to run the update in a cron-job, you should use the flags -dy. With this flags the new packages will be downloaded but not installed. You can install them later by writing apt-get update -u.

===Distribution Upgrade of all the files:

To make an upgrade of your actual distribution (e.g from potato to woody or when using unstable) replace upgrade with dist-upgrade when entering your command. So you have to type
apt-get dist-upgrade -dy
apt-get dist-upgrade -u
for an distribution upgrade.

===Add a package:

How can you add a package to your system without the gui-programms? All you have to do is find out the name of this package and enter the command
apt-get install sylpheed-claws
to add the package sylpheed-claws.

===Remove a package:

To get rid of the package foo which is no longer needed, enter the command
# apt-get remove foo
If the package is needed by other packages you will be prompted to remove this package and all packages which depend on it.

===Forced removing of a package:

While making an distibution upgrade it coud happen that you have to remove a package first. But sometimes this is not possible with apt-get remove since the package has unmet dependencies or is not installed completely. You can remove the package foo by using the command
dpkg --force-all --remove foo

===Read the contents of a installed package:

Sometimes you wan't to know which files are in the package foo. To get this information enter the command
dpkg -L foo

===Get the description of a package:

You don't know what the package foo is for? Just write
dpkg -p foo

===Search the package of a file:

Have you ever wondered to which package belongs a given file? To get this information (e.g. for /usr/bin/apt-get), start the command
dpkg -S /usr/bin/apt-get
and it will tell you that this file is part of the package apt.
----
CategoryPortal | CategoryPackageManagement

[:FrontPage:Front page] > Package management

(!) [:/Discussion:Discussion]

Translation(s): [:French/PortalApt:Français]

http://www.debian.org/logos/openlogo-nd-50.png http://www.debian.org/Pics/debian.png

inline:Portal/IDB/logo_portal.png Welcome on ["Debian"] package management


inline:Portal/IDB/icon-apt-32x32.png The main goal of this portal is to learn to install and update your softwares. It explains how to manage software packages with [:Apt:apt] tools. This portal fits for beginner. So it uses a simplified informatic language. We recommand to read [:QuickInstall:installation of Debian] before to start here.


["Apt"] and ["dpkg"] are the heart of ["Debian"] subsystem package management. These programs help to install, remove or get your system up-to-date.

inline:Portal/IDB/official-doc.png

[http://www.debian.org/doc/manuals/quick-reference/ch-package.en.html debian.org] - Official information


CategoryPortal | CategoryPackageManagement