Execute shell commands on target hosts.
# Set timeout seconds for executing commands on each target host.
$ gossh command host[1-3] -e "uptime" -t 20
# Connect target hosts by proxy server 10.16.0.1.
$ gossh command host[1-3] -e "uptime" -X 10.16.0.1
# Specify concurrency connections.
$ gossh command host[1-3] -e "uptime" -c 10