Install vncserver and shows current desktop

vnc_install.sh

#!/bin/bash
echo "Instalando VNC server"
sudo apt install tigervnc-standalone-server tigervnc-scraping-server tigervnc-common tigervnc-xorg-extension tigervnc-viewer

echo "Configure a senha padrão"
vncserver

echo "Realizando backup do arquivo de configuração"
mv ~/.vnc/xstartup ~/.vnc/xstartup.bak

echo "Configurando arquivo de execução do ambiente"
cat >~/.vnc/xstartup <<EOL
#!/bin/bash

PATH=/usr/bin:/usr/sbin
unset SESSION_MANAGER
unset DBUS_SESSION_BUS_ADDRESS
exec env GNOME_SHELL_SESSION_MODE=ubuntu /usr/bin/gnome-session --systemd --session=ubuntu &
EOL


echo "Criando arquivo de inicialização"
sudo touch /etc/systemd/system/vncserver@.service
sudo cat >/etc/systemd/system/vncserver@.service <<EOL
[Unit]
Description=Remote desktop service (VNC)
After=syslog.target network.target

[Service]
Type=simple
User=$USER
PAMName=login
PIDFile=/home/%u/.vnc/%H%i.pid
ExecStartPre=/usr/bin/vncserver -kill :%i > /dev/null 2>&1 || :
ExecStart=/usr/bin/vncserver :%i -localhost no -geometry 1024x768
ExecStop=/usr/bin/vncserver -kill :%i

[Install]
WantedBy=multi-user.target
EOL

echo "Reiniciando systemd manager"
sudo systemctl daemon-reload


x0vncserver -passwordfile ~/.vnc/passwd -display :0

#https://gilgil.gitlab.io/2020/05/29/1.html