Noob Centos Admin wrote: > I got itchy fingers over the weekend and decided to fix what wasn't > broken and upgraded one of the older servers from Centos 5.2 to Centos > 5.3. Following the recommended process of updating glibc and such > before the rest, it appeared to work perfectly and rebooted without > problem. > [...] > > Did anybody else have similar experiences with MRTG failing after the > update and what was the simple fix? It does not make any sense that I > have to jump through so much hoops to get just the default > functionality back. Thus I believe there must be one small thing I'm > overlooking. > Check the snmpd.options file (it can be at either /etc/snmpd/snmpd.options or /etc/sysconfig/snmpd.options depending on your system history). When I upgraded to 5.3 I found that it broke the options I was using to suppress logging of the SNMP polling. A set of options that work are OPTIONS="-Ln -Lf /dev/null -p /var/run/snmpd.pid" -- Benjamin Franz