1、安装
sudo pacman -S xscreensaver

2、配置屏保
xscreensaver-demo

3、编辑启动文件
vi ~/.config/systemd/user/xscreensaver.service
[Unit]
Description=XScreenSaver
[Service]
ExecStart=/usr/bin/xscreensaver -nosplash
[Install]
WantedBy=default.target

4、加入自启动项
systemctl –user enable xscreensaver