michi@imagine ~ $ sudo docker run -ti centos:6 bash
Unable to find image 'centos:6' locally
Trying to pull repository docker.io/library/centos ...
sha256:bac053540cfdc5c034191d2f20207dc83f5336bca0bcdbb9d9a58a64ed30d4f3: Pulling from docker.io/library/centos
987d765a926d: Pull complete
Digest: sha256:bac053540cfdc5c034191d2f20207dc83f5336bca0bcdbb9d9a58a64ed30d4f3
Status: Downloaded newer image for docker.io/centos:6
[root@03e2ed2c8b79 /]# yum install http://packages.icinga.com/epel/icinga-rpm-release-6-latest.noarch.rpm
Loaded plugins: fastestmirror, ovl
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