transter data between two servers which are not directly connected.
1
ssh -f -L 1233:<target IP>:[ssh port] username@<transit server IP> sleep 10; rsync -auvzP -e 'ssh -p 1233' jxliu@127.0.0.1:/data/data12/ .
使用 ssh port 代理所有 remote machine 端口
1
ssh -D [localaddress:]60000 -N -f jxliu@<remote address> -p <ssh port>
连接后，本地使用 socks proxy: localaddress:60000
