Use curl / wget
run "curl -L https://raw.githubusercontent.com/netmax79/XenOrchestra-Installer-Centos7/master/XOA-Installer-Centos7.sh | sh"
run "wget -O- https://raw.githubusercontent.com/netmax79/XenOrchestra-Installer-Centos7/master/XOA-Installer-Centos7.sh | sh"