linux-version.bash
- ext test for xymon to see if a redhat/centos machine is current
- it depends on http://repo.hpc.lsu.edu/files/linux/os-major.txt being updated to match latest version

1) login to client machine
2) become xymon (su - xymon)
3) go to ext script directory (cd client/ext)
4) download extension (wget http://repo.hpc.lsu.edu/files/xymon-ext/linux-version/linux-version.bash)
5) make script executable (chmod a+x linux-version.bash)
6) go to config directory (cd ../etc/clientlaunch.d/)
7) download config (wget http://repo.hpc.lsu.edu/files/xymon-ext/linux-version/linux-version.cfg)