VNC 터널링

gistfile1.txt

# VNC 서버 머신에 vnc-tunnel.sh과 vnc-setup.sh 파일을 넣고 vnc-setup.sh을 실행한다.
# 클라이언트에서 vnc-viewer.sh을 실행한다.
#
# +----------+ ssh +-----------+ ssh +----------+
# |  Server  |---->|  Gateway  |<----|  Client  |
# +----------+     +-----------+     +----------+
#      ?       vnc.gateway.am0c.org       ?
#
#------------  vnc-setup.sh ------------#
#!/bin/sh
echo 'You should use DSA key (ssh-keygen -t dsa; chmod 400 id_dsa)'
pgrep -f -x ssh-agent > /dev/null 2>&1 || eval `ssh-agent`
echo 'Please add vnc-tunnel.sh to your crontab (*/12 * * * * sh svn-tunnel.sh)'
crontab -e

#------------ vnc-tunnel.sh ------------#
#!/bin/sh
CMD='ssh -N -f -R 5904:localhost:5904 vnc@vnc.gateway.am0c.org'
vncserver :4 > /dev/null 2>&1
pgrep -f -x "$CMD" > /dev/null 2>&1 || $CMD

#------------ vnc-viewer.sh ------------#
#!/bin/sh
vncviewer -via vnc@vnc.gateway.am0c.org localhost:4