本地设置代理

http://blog.trackets.com/2014/05/17/ssh-tunnel-local-and-remote-port-forwarding-explained-with-examples.html

# 如果要映射80端口 必须用root连接

# Edit /etc/ssh/sshd_config and add the line:
GatewayPorts clientspecified
sudo service ssh restart

# 前面是服务器，后面localhost是本地机器
ssh -R 121.42.137.126:800:localhost:3000 [email protected]
ssh -R 104.224.134.167:80:localhost:3000 [email protected] -p29983

ssh -nNT -R 121.42.137.126:800:localhost:3000 [email protected]

# Find the process that is using port 3000 (look for the PID - you’ll need to run the command with sudo to see the PIDs):
sudo netstat -anp
# Kill the stale process:
kill PID