How to use yum in Redhat, Fedora, CentOS

[Saman]

To update system. Update of the system with all the dependencies that are necessary:

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yum update

Searches. To make a search of some package or term in the data base in some of the formed deposits yum in the system:

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yum search any-package

Example:

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yum search httpd

I hope this will help you understand how to use yum more effeciently. Any erros in this how please notify me.

Consultation of information. To consult the information contained in a package in individual:

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yum info any-package

Example:

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yum info httpd

Installation of packages. Installation of paquetería with automatic resolution of dependencies:

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yum install any-package

Example.

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yum install gkrellm

Uninstalling packages. Desinstalación of packages along with everything what it depends on these:

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yum remove any-package

Example.

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yum remove gkrellm

Listing Packages. The following thing will list all the packages available in the data base yum and that can settle:

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available yum list|less

The following thing will list all the packages installed in the system:

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yum list installed|less

The following thing will list all the packages installed in the system and that can (they must) be updated:

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yum list updates|less

Cleaning of the system.

Yum leaves as result of its use heads and packages RPM stored in the interior of the directory located in the route /var/cache/yum/. Particularly the packages RPM that have settled can occupy much space and is by such reason agrees to eliminate them once no longer they have utility. Also it agrees to do the same with the old heads of packages that no longer are in the data base. In order to make the corresponding cleaning, the following thing can be executed:

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yum clean all

Group install

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yum groupinstall "groupname"

Don't forget the quotation marks for group install.

To install a set of application that starts with a common prefix. To install gkrellm, gkrellm-plugins, gkrellm-misc-plugins,

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yum install gkrellm*

To search in package names only, use yum list. This differs from search in that it's much faster, as it will search package names only, while yum search will search all the package info, including package description.

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yum list something

Example

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yum list mozilla

To get the name of the package containing a given file:

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yum provides filename

example:

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yum provides /usr/bin/mozilla

Here's some new goodies in yum 2.2 (Fedora Core 3 and beyond)

To get a list of packages updated/added to any of your repositories recently:

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yum list recent

To enable a repository which is disabled in the configuration:

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yum --enablerepo=reponame install packagename

example:

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yum --enablerepo=dag install j2re

To list available software groups, such as GNOME desktop environment or X window system. This is also available in the Core 2 yum, but servers doesn't use this wonderful feature much.

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yum grouplist

To install such a group:

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yum groupinstall "groupname"

Example:

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yum groupinstall "GNOME Desktop Environment"

And to update a group

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yum groupupdate "GNOME Desktop Environment"

And remember folks, you can always use -y to say yes to everything, and -C to use the cache only.