Remove this file if there is no X server

Try to start VNC, you may get the below error

[root@fusiondev ~]# vncserver

Warning: fusiondev.xxxxx.com:1 is taken because of /tmp/.X1-lock
Remove this file if there is no X server fusiondev.xxxx.com:1

New ‘fusiondev.xxxxx.com:2 (root)’ desktop is fusiondev.xxxxx.com:2

Starting applications specified in /root/.vnc/xstartup
Log file is /root/.vnc/fusiondev.xxxxx.com:2.log

Solution :

[root@fusiondev tmp]# rm -rf /tmp/.X1-lock

[root@fusiondev tmp]# rm -rf /tmp/.X11-unix/X1

[root@fusiondev tmp]# vncserver

New ‘fusiondev.xxxxxx.com:1 (root)’ desktop is fusiondev.xxxxxx.com:1

Starting applications specified in /root/.vnc/xstartup
Log file is /root/.vnc/fusiondev.xxxxxx:1.log