Supermicro
An agent is necessary for some Supermicro information in LibreNMS.
Supermicro SuperDoctor
Install Supermicro SuperDoctor on the device to monitor.
Then add this line to /etc/snmp/snmpd.conf:
pass .1.3.6.1.4.1.10876 /usr/bin/sudo /opt/Supermicro/SuperDoctor5/libs/native/snmpagent
Restart net-snmp:
service snmpd restart