start:makeknownhosts_h
cmd:makeknownhosts -h
check:output=~Usage
cmd:makeknownhosts --help
check:output=~Usage
end

start:makeknownhosts_node
description:Make a known_hosts file under $ROOTHOME/.ssh for input noderange
cmd:makeknownhosts $$CN -r
cmd:makeknownhosts $$CN
check:rc==0
cmd:cat  ~/.ssh/known_hosts|grep $$CN
check:rc==0
check:output=~$$CN
cmd:makeknownhosts $$CN -r 
end

start:makeknownhosts_node_r
description:remove known node in $ROOTHOME/.ssh
cmd:makeknownhosts $$CN 
cmd:cat  ~/.ssh/known_hosts|grep $$CN
check:output=~$$CN
cmd:makeknownhosts $$CN -r
check:rc==0
cmd:cat  ~/.ssh/known_hosts|grep $$CN
check:rc!=0
check:output!~$$CN
end

start:makeknownhosts_node_v
description:verbose
cmd:makeknownhosts $$CN -V
check:rc==0
check:output=~$$CN
end