createrepo from OBS:Server:2.9:Staging project

For openSUSE 42.3 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/OBS:Server:2.9:Staging/openSUSE_42.3/OBS:Server:2.9:Staging.repo
zypper refresh
zypper install createrepo

For SLE 12 SP4 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/OBS:Server:2.9:Staging/SLE_12_SP4/OBS:Server:2.9:Staging.repo
zypper refresh
zypper install createrepo

For xUbuntu 14.04 run the following:

Keep in mind that the owner of the key may distribute updates, packages and repositories that your system will trust (more information).

echo 'deb http://download.opensuse.org/repositories/OBS:/Server:/2.9:/Staging/xUbuntu_14.04/ /' | sudo tee /etc/apt/sources.list.d/OBS:Server:2.9:Staging.list
curl -fsSL https://download.opensuse.org/repositories/OBS:Server:2.9:Staging/xUbuntu_14.04/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/OBS_Server_2.9_Staging.gpg > /dev/null
sudo apt update
sudo apt install createrepo