Create OpenShift application gear
rhc app create liferay jbossews-2.0 mysql-5.1 phpmyadmin-4 -g medium
go into git source
cd liferay
add some more storage
rhc cartridge storage jbossews-2.0 -a liferay --add 1
add remote
git remote add github -m master https://github.com/eformat/openshift-cartridge-liferay-tomcat
merge it
git pull -s recursive -X theirs github master
deploy to openshift
git push
wait a few minutes browse to
http://liferay-<your domain>.rhcloud.com
accept default config and you are logged in with
[email protected] / test