# yum install xorg-x11-server-Xvfb # export DISPLAY=:1 # Xvfb :1 -screen 0 1280x1024x24 & # killall Xvfb
参考
https://qiita.com/kt3k/items/cea3c6de3c2337004a84
https://en.wikipedia.org/wiki/Xvfb
必要ならsystemd で自動起動
https://qiita.com/ine1127/items/363b597f895c6663ddb7