patch 9.0.0316: screen flickers when 'cmdheight' is zero Commit: https://github.com/vim/vim/commit/f73e5ba56f4aca1cd6e38f1c8ea24e941bf6b33f Author: Bram Moolenaar <Bram@vim.org> Date: Mon Aug 29 12:41:06 2022 +0100 patch 9.0.0316: screen flickers when 'cmdheight' is zero Problem: Screen flickers when 'cmdheight' is zero. Solution: Redraw over existing text instead of clearing.

#!/bin/bash
set -e

apt-get install -y xvfb

cat <<EOT >/etc/systemd/system/xvfb.service
[Unit]
Description=X Virtual Frame Buffer Service
After=network.target
[Service]
ExecStart=/usr/bin/Xvfb :99 -screen 0 1024x768x24
[Install]
WantedBy=multi-user.target
EOT

systemctl enable xvfb.service
systemctl start xvfb.service