Centos 6.8 snmp wont start on boot
 

Hi all,

So for the past 3 days I have been trying to get snmpd to auto start at boot time on an old centos machine.

I installed it and added the following line to the bottom of /etc/snmp/snmpd.conf

I then restarted the daemon

Added the service to start at boot and confirmed by listing it

This shows that runlevel 2,3,4,5 are on

I then ran the snmpwalk test

This then gives me pages and pages of info

I know that snmp is working as I've also got another server which runs Zabbix 4.4 and this host is configured on it and is monitoring perfectly.

But I just cannot get the service to auto start??? It is killing.

Any ideas please? What other steps have I missed out here? I know I could try creating my own startup script but it already has all start and kill scripts in the rc.d dir.


Thanks for any help you can provide.

To identify why the service is getting killed, you should look at
/var/log/messages

There should be another log specific to snmp under:
/var/log/

Look at dmesg.

Unfortunately the specific machine has it's system messages disabled (the customer has turned it off for their reasons)

I have raised the logging level to 7 on snmp and monitored /var/log/snmp.log but nothing is outputted.

dmesg shows nothing with regards to snmp. Not even an attempt to start it and fail which is very weird also.

Hmm; what version of snmp is installed?
And, did I understand correctly that it fails to start at boot, but once the OS is up and running, and you manually start it, it works?

I have now redirected all the snmpd logs to /var/log/snmpd.log and can see the udp connections to Zabbix. So functionally it is working as designed. But it just wont start as a service.

Totally baffled

snmp version 5.5

and yes I can start manually and all is good. It just wont start as a service.