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Of course you need to be able to access host A for this ;-)
There are 4 alternatives - vote for the best!
Unreachable_host is unavailable from local network, but it's available from reachable_host's network. This command creates a connection to unreachable_host through "hidden" connection to reachable_host.
If you can do better, submit your command here.
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What about configuring a tunnel?
tunnels++ !
guys,
tunnels are per port.
tunnels are not terminal access.
this came in pretty handy for me today... I needed to access a server in our dmz. you can also add a -A for agent forwarding
ssh -At root@hostx ssh root@hosty