Free Android Penetration Testing Toolkit & Risk Assessment

Output your microphone to a remote computers speaker

This command will SSH through host in the middle. 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.

Duplicate installed packages in multiple machines in Linux

ssh to machine behind shared NAT