1,Create an account on OpenShift.
2,rhc app create hacknewsclone diy-0.1 
3,cd hacknewsclone 
4, git remote add upstream -m master git://github.com/shader/arc-openshift.git 
5, git pull -s recursive -X theirs upstream master and git push
here i $rhc  app-force-stop hacknewsclone (for edit)
6, rhc ssh hackernewsclone  AND cd app-root/repo/arc AND vi admins>"admin"
7, export PATH=$PATH:/var/lib/openshift/*******tpye "env" and paste the number here*********/app-root/data/racket-6.0.1/bin:$PATH 
then cd app-root/data/arc AND sh ./arc
(load "lib/news.arc") 
8,$rhc app-start hacknewsclone
9,still cannot see the admin rights