Cluster management with
the Ruby shell and Unix integration library
Adam Wiggins
http://rush.heroku.com/ April 18, 2008

bash+ssh are the
cornerstone of unix
systems administration

but...

Ruby is its own
universe

unix = awesome
ruby = awesome
So put them together and you
should get awesome x
awesome...

unix = awesome
ruby = awesome
So put them together and you
should get awesome x
awesome...
...right?

def start_mongrel
# kill any existing mongrels
pids = `ssh #{host} \"ps -u #{user} |
grep mongrel_rails | grep -v grep |
sed -r 's/ *([0-9]+).*$/\\\\1/'\"`
`ssh #{host} \"kill #{pids}; sleep 1; kill -9 #{pids}\"`
# don't try to restart i