How to install R on the node: cd /etc/yum.repos.d/ vi R.repo [R-project] name=R project for Statistical Computing repository baseurl=http://rm.mirror.garr.it/mirrors/CRAN/bin/linux/redhat/el5/x86_64 failovermethod=priority enabled=1 gpgcheck=0 priority=15 cd /apps/R yum install --skip-broken R-core yum install --skip-broken tetex-latex rpm -ivh perl-File-Copy-Recursive-0.37-1.el5.rf.noarch.rpm rpm -ivh xdg-utils-1.0.2-2.el5.centos.noarch.rpm yum install --skip-broken R-core yum install --skip-broken R R Finished