SL7: enable EPEL repos

there is a vast repo for packages not (officially?) maintainted by redhat. to enable this repo (called EPEL) the following steps are needed:

  1. get and install the epel rpm file:
    $ wget
    $ rpm -ivh epel-release-7-9.noarch.rpm
  2. get the gpg key for epel:
    1. download key: $ wget
    2. check fingerprint:
      1. get official fingerprint from website:
      2. compare to value from: $ gpg --with-fingerprint 352C64E5.txt
    3. import key: $ rpm --import 352C64E5.txt

src:, (german)


SL7: fastest mirrors

to enable the automatic checking for fastest mirrors within yum install the following plugin: $ sudo yum install yum-plugin-fastestmirror

check that plugins are enabled:

$ cat /etc/yum.conf

check that the config file contains the following:

$ cat /etc/yum/pluginconf.d/fastestmirror.conf
verbose = 0
socket_timeout = 3
enabled = 1
hostfilepath = /var/cache/yum/timedhosts.txt
maxhostfileage = 1