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楼主不知道怎么回事，突然就边不上VNC了，我就打算重新启动服务，发现服务启不来，我用
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journalctl -xe命令出现下面的东西：
Apr 24 21:30:24 zhouziqi runuser[23390]: pam_unix(runuser-l:session): session opened for user root by (uid=0)
Apr 24 21:30:24 zhouziqi runuser[23390]: Warning: zhouziqi:1 is taken because of /tmp/.X11-unix/X1
Apr 24 21:30:24 zhouziqi runuser[23390]: Remove this file if there is no X server zhouziqi:1
Apr 24 21:30:24 zhouziqi runuser[23390]: A VNC server is already running as :1
Apr 24 21:30:24 zhouziqi runuser[23390]: pam_unix(runuser-l:session): session closed for user root
Apr 24 21:30:24 zhouziqi systemd[1]: vncserver@:1.service: control process exited, code=exited status=2
Apr 24 21:30:24 zhouziqi systemd[1]: Failed to start Remote desktop service (VNC).
-- Subject: Unit vncserver@:1.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit vncserver@:1.service has failed.
--
-- The result is failed.
Apr 24 21:30:24 zhouziqi systemd[1]: Unit vncserver@:1.service entered failed state.
Apr 24 21:30:24 zhouziqi systemd[1]: vncserver@:1.service failed.
Apr 24 21:30:24 zhouziqi polkitd[832]: Unregistered Authentication Agent for unix-process:23380:8874254 (system bus n
然后我知道可能是
于是我就把这个文件删除，再重启 发现就好啦
[root@zhouziqi tmp]# rm -rvf .X11-unix
removed ‘.X11-unix/X0’
removed ‘.X11-unix/X1’
removed directory: ‘.X11-unix’
[root@zhouziqi tmp]# systemctl restart vncserver@:1.service
[root@zhouziqi tmp]#
楼主想看看这个文件夹是干嘛的，我就进去看看，原来这个文件夹是里面是一个文件，X1，估计这个文件是你连接的时候产生的，如果你VNC不正常退出的话，这个文件就没有被删除，所以就会出现
A VNC server is already running as :1，这时候你只要手动删除那个文件夹里面的文件就可以重启服务啦