===================NOVNC Install==================
Debian10

apt -y install novnc python-websockify

Install VNC server
apt -y install tigervnc-standalone-server

Config senha
vncpasswd

apt-get install xterm

nano ~/.vnc/xstartup
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~/.vnc$ ls
passwd  rag-tos-laptop:1.log  rag-tos-laptop:1.pid  xstartup*  xstartup.bak*

~/.vnc$ cat xstartup
#!/bin/sh

# Uncomment the following two lines for normal desktop:
# unset SESSION_MANAGER
# exec /etc/X11/xinit/xinitrc

[ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup
[ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources
#xsetroot -solid grey
#vncconfig -iconic &
x-terminal-emulator -geometry 800x600 -title "$VNCDESKTOP Desktop" &
#x-window-manager &
#twm &
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vncserver :1 -geometry 800x600 -localhost no

openssl req -x509 -nodes -newkey rsa:2048 -keyout novnc.pem -out novnc.pem -days 365

websockify -D --web=/usr/share/novnc/ --cert=/home/debian/novnc.pem 6080 localhost:5901

para parar um processo vncserver
vncserver -kill :1

iniciando os serviços automaicamente
cd /home
nano novnc.sh

#!/bin/bash
# inicializa serviço novnc
vncserver :1 -geometry 800x600 -localhost no
# iniciando websockify
sleep 5
websockify -D --web=/usr/share/novnc/ --cert=/home/debian/novnc.pem 6080 localhost:5901

permisão de arquivo
chmod 777 novnc.sh


nano /etc/systemd/system/web-novnc.service

[Unit]
Description=web novnc
After=syslog.target network.target
 
[Service]
Type=forking

#PIDFile=/home/sammy/.vnc/%H:%i.pid
ExecStartPre=-/usr/bin/vncserver -kill :%i > /dev/null 2>&1
ExecStart=/usr/bin/vncserver -geometry 800x600 -localhost no :%i & websockify -D --web=/usr/share/novnc/ --cert=/home/debian/novnc.pem 6080 localhost:5901
ExecStop=/usr/bin/vncserver -kill :%i

[Install]
WantedBy=multi-user.target

systemctl daemon-reload

systemctl enable web-novnc.service