安装相关rpm包
yum -y install xorg-x11-xauth xorg-x11-utils xorg-x11-fonts-*
yum install dejavu-lgc-sans-fonts.noarch
yum install xterm -y
yum install virt-manager
修改sshd_config
X11Forwarding yes
X11UseLocalhost yes
AddressFamily inet
AllowTcpForwarding yes
重启sshd
systemctl restart sshd
再次链接即可