Basic mcollective commands

# mco ping
# mco find

Service

# mco rpc service status service=httpd
# mco rpc service stop service=httpd
# mco rpc service start service=httpd

Use the -I filter to target a specific machine, eg:

# mco rpc service status service=httpd -I node01.domain.net

RPC

# mco rpc rpcutil get_fact fact=operatingsystem