sudo apt install linux-headers-$(uname -r)
sudo apt install v4l2loopback-dkms
sudo modprobe v4l2loopback exclusive_caps=1
VIDEO=
sudo snap install communitheme
sudo update-alternatives --install /usr/share/gnome-shell/theme/gdm3.css gdm3.css /snap/communitheme/current/share/gnome-shell/theme/Communitheme/gnome-shell.css 15
sudo sed -ie '/^\[User\]$/,/^\[/ s/^\(XSession=\).*$/\1ubuntu-communitheme-snap/' /var/lib/AccountsService/users/${USER}
/etc/firewalld/firewalld.conf
CleanupOnExit=no