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#!/bin/bash
#
# Wrapper around ssh and vncviewer
#
# Parameters
BASENAME="`basename $0`"
SERVER="$1"
# Check
if [ -x "$SERVER" ]; then
echo "usage: $BASENAME <server>"
exit 1
fi
# Check if vncserver is running in the remote server and start otherwise
ssh $SERVER <<EOF
HOSTNAME="\$(cat /etc/hostname)"
if [ -e "\$HOME/.vnc/\$HOSTNAME:1.pid" ]; then
PID="\$(cat \$HOME/.vnc/\$HOSTNAME:1.pid)"
if ! ps \$PID &> /dev/null; then
/usr/bin/vncserver -alwaysshared -dpi 96 -localhost :1
fi
else
/usr/bin/vncserver -alwaysshared -dpi 96 -localhost :1
fi
EOF
# See http://www.g-loaded.eu/2006/11/24/auto-closing-ssh-tunnels/
# Optional SSH compression
#ssh -C -c blowfish -f -L 5901:127.0.0.1:5901 $SERVER sleep 10
ssh -f -L 5901:127.0.0.1:5901 $SERVER sleep 10
# Run VNC client
# Copy $SERVER:~/.vnc/passwd into $HOME/.vnc/$SERVER.passwd for passwordless login
if [ -e "$HOME/.vnc/$SERVER.passwd" ]; then
vncviewer -passwd $HOME/.vnc/$SERVER.passwd localhost:5901
else
vncviewer localhost:5901
fi
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