记录下,防止丢失
https://www.x.org/releases/X11R7.6/doc/man/man1/Xvfb.1.xhtml
x11vnc
https://linuxize.com/post/how-to-install-and-configure-vnc-on-centos-7/
Oracle linux: 报错 No package epel-release available
wget http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
rpm -ivh epel-release-latest-7.noarch.rpm
检查是否安装成功:
yum repolist