====== Repos ======

**General Information**

Installing extra software via 3rd party software repositories. 

**Checklist**
  * Distro(s): Enterprise Linux

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====== EPEL ======

Extra Packages for Enterprise Linux is maintained by the Fedora project.

Official site: [[https://fedoraproject.org/wiki/EPEL]]

===== EPEL: Via Built in Package =====

EL 6 and 7
<code bash>
yum install epel-release
</code>

===== EPEL: Direct From Fedora =====

Install the RPM directly from Fedora.

EL 7
<code bash>
yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
</code>

\\
EL 6
<code bash>
yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm
</code>

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====== ELRepo ======

A community project to create a repository for Enterprise Linux packages. It focuses on hardware related packages to include file system drivers, graphics drivers, network drivers, sound drivers, webcam, and video drivers.

Official Site: [[http://elrepo.org/tiki/tiki-index.php]]

===== ELRepo: Install =====

Import the GPG key
<code bash>
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
</code>

\\
EL7
<code bash>
rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm
</code>

\\
EL6
<code bash>
rpm -Uvh http://www.elrepo.org/elrepo-release-6-6.el6.elrepo.noarch.rpm
</code>

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====== Software Collections ======

Software Collections is a project to package newer versions of software that will not conflict with system packages.

Official Site: https://www.softwarecollections.org/en/

===== Software Collections: Add Repo =====

To add the software collections repo (available via "extras" repo)
  * CentOS 6/7<code bash>yum install centos-release-scl</code>

===== Software Collections: Install Software =====

  * Browse the software collections library: https://www.softwarecollections.org/en/scls/
    * Each collection will have instructions for how to install.

Example: Python 3.3
  * Install<code bash>yum install python33</code>
  * System version<code bash>[root@server1 ~]# python --version
Python 2.7.5</code>
  * SCL Version<code bash>[root@server1 ~]# scl enable python33 bash
[root@server1 ~]# python --version
Python 3.3.2</code>

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====== RPM Pbone ======

Find many different RPMs on: [[http://rpm.pbone.net/|rpm.pbone.net]]

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====== Oracle Public Repos ======

If you are supporting Oracle Linux, the official repos are here: [[http://public-yum.oracle.com/]]

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====== Custom Repo ======

You can create a custom repository to serve up your own RPMs or a mirrored copy of a repo.

===== Custom Repo: Server =====

  - Install Apache Web Server and Create Repo packages<code bash>yum install httpd createrepo</code>
  - Start and enable the web server
    - EL 6<code bash>service httpd start
chkconfig httpd on</code>
    - EL 7<code bash>systemctl start httpd
systemctl enable httpd</code>
  - Create the directory structure<code bash>mkdir -p /var/www/html/repos/mycustom</code>
  - Copy your RPMs to the directory<code bash>rsync -avhP *.rpm /var/www/html/repos/mycustom/</code>
  - Create the repo data<code bash>createrepo -v /var/www/html/repos/mycustom</code>
    - For future package updates/additions, run the createrepo command with the "--update" option in order to only update metadata for packages that have changed<code bash>createrepo -v --update /var/www/html/repos/mycustom</code>

===== Custom Repo: Clients =====

On clients that will use the repo:
  - Create a repo file<code bash>vim /etc/yum.repos.d/mycustomrepo.repo

[mycustomrepo]
name=My Custom Repo
baseurl=http://server2.example.com/repos/mycustom
gpgcheck=0
enabled=1</code>
  - Cleanup yum<code bash>yum clean all</code>
  - List repos<code bash>yum repolist</code>
  - Install a package from the repo to test<code bash>yum install <package-name></code>

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