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MA Qiang, I logged onto tigge-ldm.cma.gov.cn as the LDM user and looked around. I didn't find anything wrong, but I did notice that the LDM log files don't contain any messages from the LDM system -- only from invocations of the "pqinsert" utility. A system logging daemon (syslogd) is running, it's configuration-file (/etc/syslog.conf) appears to correctly handle messages from "local0", SELINUX is disabled, the LDM appears to have been built to use the "local0" logging facility, and the "hupsyslog" utility is set-uid and owned by root. I don't understand, therefore, why the LDM system isn't logging to ~ldm/logs/ldmd.log. Do you know why? Are the LDM log messages going into the system log file (/var/log/messages)? If so, can you allow the LDM user to access them? Regards, Steve Emmerson Ticket Details =================== Ticket ID: EEC-237791 Department: Support IDD TIGGE Priority: Normal Status: On Hold