Using yum or apt-get to install software packages

Expertise level: Medium

Installing software packages on Centos / Fedora servers:

Yellowdog Updater, Modified (YUM) is the package installer available with your linux server.

It is an automatic updater and package installer/remover for rpm systems. It automatically computes dependencies and figures out what things should occur to install packages.

The download and the install is automated. When you install a package, the other dependent packages required will also be installed automatically.

To know the packages that are currently installed:

yum list

To install a package:

yum install <package name>

To uninstall a package:

yum remove <package name>

To update a package:

yum update <package name>

To update all the packages:

yum update

To search for some packages:

yum search <package name>

To clear the cache:

yum clear all

Installing software packages on Debian servers:

To know the packages that are currently installed:

dpkg -l

To install a package:

apt-get install <package name>

To uninstall a package:

apt-get remove <package name>

To update a package:

apt-get upgrade <package name>

To update all the packages:

apt-get upgrade

To search for some packages:

apt-cache <package name>

To clear the cache:

apt-get clean

For more information, please consult the following links:

apt:

http://www.cyberciti.biz/tips/linux-debian-package-management-cheat-sheet.html

yum:

http://www.cyberciti.biz/faq/rhel-centos-fedora-linux-yum-command-howto/

http://www.cyberciti.biz/faq/rhel-centos-fedora-list-contents-of-package-using-yum-command/

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