報錯信息：
查看vnc服務是否開啓：
sudo systemctl status vncserver@:1.service -l
[root@localhost ~]# sudo systemctl status vncserver@:1.service -l
vncserver@:1.service - Remote desktop service (VNC)
Loaded: loaded (/etc/systemd/system/vncserver@:1.service; enabled; vendor preset: disabled)
Active: failed (Result: resources) since 二 2019-07-09 10:57:10 CST; 41min ago
7月 09 10:57:07 localhost.localdomain systemd[1]: Starting Remote desktop service (VNC)...
7月 09 10:57:10 localhost.localdomain systemd[1]: PID file /home/root/.vnc/localhost.localdomain:1.pid not readable (yet?) after start.
7月 09 10:57:10 localhost.localdomain systemd[1]: Failed to start Remote desktop service (VNC).
7月 09 10:57:10 localhost.localdomain systemd[1]: Unit vncserver@:1.service entered failed state.
7月 09 10:57:10 localhost.localdomain systemd[1]: vncserver@:1.servivice failed.
vi /root/.vnc/xstartup 配置vnc的很多bug，主要就是這個配置文件要修改好
解決方法：
[Service]
#Type=forking
Type=simple
解決了 成功開啓服務
[root@localhost ~]# sudo systemctl status vncserver@:1.service -l
vncserver@:1.service - Remote desktop service (VNC)
Loaded: loaded (/etc/systemd/system/vncserver@:1.service; enabled; vendor preset: disabled)
Active: inactive (dead) since 二 2019-07-09 13:06:29 CST; 35s ago
Process: 3437 ExecStop=/bin/sh -c /usr/bin/vncserver -kill %i > /dev/null 2>&1 || : (code=exited, status=0/SUCCESS)
Process: 3406 ExecStart=/usr/sbin/runuser -l root -c /usr/bin/vncserver %i (code=exited, status=0/SUCCESS)
Process: 3400 ExecStartPre=/bin/sh -c /usr/bin/vncserver -kill %i > /dev/null 2>&1 || : (code=exited, status=0/SUCCESS)
Main PID: 3406 (code=exited, status=0/SUCCESS)
7月 09 13:06:24 localhost.localdomain systemd[1]: Starting Remote desktop service (VNC)...
7月 09 13:06:24 localhost.localdomain systemd[1]: Started Remote desktop service (VNC).
7月 09 13:06:28 localhost.localdomain runuser[3406]: Starting applications specified in /root/.vnc/xstartup
7月 09 13:06:28 localhost.localdomain runuser[3406]: Log file is /root/.vnc/localhost.localdomain:1.log
刷新服務
# systemctl daemon-reload
啓動服務
# systemctl start vncserver@:1.service
停止vncserver
vncserver -kill :1
啓動 VNC Server
vncserver