1,346
edits
Changes
From SME Server
Jump to navigationJump to searchSME Server:Documentation:Technical Manual:Chapter6/de (view source)
Revision as of 15:10, 23 April 2007
, 15:10, 23 April 2007no edit summary
{{Languages|SME Server:Documentation:Technical Manual:Chapter6}}
{{Languages|SME Server:Documentation:Technical Manual:Chapter6}}
{{FixMe}}
{{Overview/de}}
{{Languages}}
= Kapitel 6 - Neue Software hinzufügen (Erweiterungen)=
Neue Softwarepakete beinhalten bzw. basieren bevorzugt auf Paketen von RedHat EL4 und sind für den SME Server entsprechend konfiguriert. Im Namen der Pakete wird mit dem Zusatz "el4" die Familienzugehörigkeit zu RedHat EL4 signalisiert.
==Erhältliche Softwarepakete==
Aktuelle rpms finden Sie unter [http://bugs.contribs.org/describecomponents.cgi?product=SME%20Contribs SME Contribs]
==Software installieren==
Sie können Software für den SME Server mit der Option '''Software-Installation''' im Server-Manager installieren. Wenn Sie auf den Schalter "Einstellungen zur SW-Installtion ändern" klicken und anschließend die Option "Installation einzelner SW-Pakete" aktivieren, können Sie aus den SW-Bibliotheken RPM-Pakete installieren und deinstallieren.
Der SME Server nutzt '''yum'' um Software zu installieren; yum ist neuere und verbesserte Version des bekannten rpm-Befehls und verwendet "Repositories", in denen die RPM-Pakete gespeichert sind. Der große Vorteil gegenüber rpm besteht darin, das yum nicht nur Abhängigkeiten erkennen, sondern auch gleich Downloads der benötigten Pakete durchführen kann. Künftige HowTo-Anleitungen sollten das berücksichtigen und einen entsprechenden yum-Befehl integrieren, der Bezug auf das gewünschte Repository nimmt, wie z.B.:
yum --enablerepo=dag install dansguardian
==Yum Repositories==
Yum repositories on SME Server are to be configured by the internal configuration database. Repositories are stored in the yum_repositories database. The yum configuration file, located at /etc/yum.conf holds the actual configuration and is generated using the data in the yum_repositories database.
===Installing or modifying a repository===
For the syntax of modifying or adding see the examples below in the 3rd-Party Yum Repositories setup section. For more details on the configuration database and how to work with it you can have a look at the [[http://mirror.contribs.org/smeserver/contribs/gordonr/devguide/html/book1.htm Developers Guide]].
After adding or modifying the yum_repositories database you will have to make sure you regenerate the configuration file using the following command:
===Options for the yum_repositories database===
The repositories for SME Server are configured using the internal yum-repositories configuration database. There are several options that can be set for every repository:
Visible yes|no - yes displays in server manager
status enabled|disabled - disabled are ignored unless specified with --enablerepo=
Exclude - don't fetch these rpms
IncludePkgs - only fetch these rpms
===3rd-Party Yum Repositories setup===
This page once started as http://no.longer.valid/phpwiki/index.php/3rdPartyYumRepositories, but a newer list of repositories for SME Server is now located [[:Category:Yum_Repository]].
If you use the commands below to add 3rd party yum repositories, they will be added to the yum-repositories database, but not enabled by default, so this will not affect automatic yum upgrades. It only adds options for running yum manually. They are also set up to block you from installing RPMs that exist already in SME Server 7.0.
To reflect the changes in the database you will have to regenerate the yum.conf file:
expand-template /etc/yum.conf
{{drawBoxWarning|content=Be sure to never set the status of one of these repositories to enabled as this imposes the risk of installing newer versions SME Server core packages which might brake your server. If you want to install software from them you can enable them using the SME Server shell and the yum option --enablerepo=reponame.}}
Below are a few repositories, for which the configuration can be copied to the SME Server shell to install them on your server. The lines are long, but it it so you can cut and paste into your ssh client. Also note you shouldn't enable these repositories, they should just be used at the command line with "yum install", and not with "yum upgrade".
If a site has a RPM-GPG-KEY you have to install it first with a line such as.
rpm --import http://dag.wieers.com/packages/RPM-GPG-KEY.dag.txt
===Restoring Default Yum Repositories===
If you have problems with your yum setup you may have entered dud repository values
remove the current values and restore the original setting with these commands
cd /home/e-smith/db/
mv yum_repositories yum_repositories.po
/etc/e-smith/events/actions/initialize-default-databases
Now you have a clean install, you can re-add 3rd party repos as described above <br>
expand-template /etc/yum.conf
and check
yum update
==Using RPMs==
Since SME Server is based on CentOS, the preferred way to install software is with yum, a lot of you might be familiar with its predecessor rpm.
To install an RPM already on your system you can also use yum to install:
yum localinstall /path/to/filename.rpm
To satisfy dependencies you can enable or disable other repositories using the --enablerepo or the --disablerepo option.
Using yum will run other actions such as updating server-manager menus, that rpm -Uvh will not.
