debian/ubuntu+xfce+noVNC

debian_ubuntu_launch_xfce_noVNC.sh

#https://www.server-world.info/en/note?os=Debian_11&p=desktop&f=8
#https://www.server-world.info/en/note?os=Debian_11&p=desktop&f=6

# this script should work on Debian/Ubuntu
# it assumes that you are using 'root' user
# smutao@github, 2023

read -p "Enter VNC password: " mypass 
read -p "Enter VNC resolution (e.g. 1920x1080 or 1600x900): " res

export DEBIAN_FRONTEND=noninteractive

apt update 
apt --yes --force-yes install novnc python3-websockify curl wget
apt --yes --force-yes install tigervnc-standalone-server expect
apt --yes --force-yes install xfce4 xfce4-terminal
apt --yes --force-yes install dbus-x11


#script: 
prog=/usr/bin/vncpasswd
#mypass="mima"

/usr/bin/expect <<EOF
spawn "$prog"
expect "Password:"
send "$mypass\r"
expect "Verify:"
send "$mypass\r"
expect "Would you like to enter a view-only password (y/n)?"
send "n\r"
expect eof
exit
EOF


tigervncserver -xstartup /usr/bin/xfce4-session -geometry $res -localhost no :1 
# we can access VNC via 5901 port

cd /root/
openssl req -x509 -nodes -newkey rsa:3072 -keyout novnc.pem -out novnc.pem -days 3650 -subj "/C=JP/ST=Hiroshima/L=Hiroshima/O=GTS/OU=Server World/CN=cnn.com/emailAddress=debian@srv.world"
websockify -D --web=/usr/share/novnc/ --cert=/root/novnc.pem 6080 localhost:5901

ipip=`curl -4 ip.sb`
echo "for server on internet please visit https://$ipip:6080/vnc.html"
echo "for local server, please visit https://localhost:6080/vnc.html"