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Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit

因为有人用root用户启动了UCM，再用Oracle用户就没法启动，把/tmp目录权限改成777后可以正常启动。
没想到再次启动Redhat时，出现黑屏，并出现以下提示：
“Failed to contact configuration server; some possible causes are that you need to enable TCP/IP networking for ORBit, or you have stale NFS locks due to a system crash. See http://www.gnome.org/projects/gconf/ for information. (Details -  1: IOR file '/tmp/gconfd-root/lock/ior' not opened successfully, no gconfd located: No such file or directory 2: IOR file '/tmp/gconfd-root/lock/ior' not opened successfully, no gconfd located: No such file or directory)”

看起来还是目录权限设置引起，重新把/tmp/gconfd/root权限设置成700，重新启动系统，一切正常。
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