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1. First you want to install snmptrapd. I also recommend going ahead and enabling snmptrapd to start automatically in case of server reboots

   Code Block
   language bash title Install snmptrapd
   apt-get install snmptrapd systemctl enable snmptrapd

   
   

2. With NET-SNMP Version 5.8 and systemd you will need to override snmptrapd.service. This means that when starting snmptrapd the options you put in the override file will be what starts and not what snmptrapd defaults with.

   Code Block
   language bash title Edit snmptrapd service
   systemctl edit snmptrapd

   
   

3. In the edit window that appears you will want to paste the below text. Editor is nano, I recommend using the default file name so you just need to save and exit (ctl+o, ctl+w)

   Code Block
   language text title override.conf text
   [Service] ExecStart= ExecStart=/usr/sbin/snmptrapd -f -n -Oq -Ls2 -m ALL -M /usr/local/nmis9/mibs/traptraps

   

4. Edit the /etc/default/snmptrapd file, replacing default TRAPDOTS with the below:

   Code Block
   language bash title edit snmptrapd
   vi /etc/default/snmptrapd

   
   

   Code Block
   language text title /etc/default/snmptrapd
   TRAPDOPTS='-n -LS2d -p /var/run/snmptrapd.pid -m ALL -M /usr/local/nmis9/mibs/traps' TRAPDRUN=yes

   
   

5. Edit the /etc/snmp/snmptrapd.conf file,

   
   

   Code Block
   language bash title edit snmptrapd.conf
   vi /etc/snmp/snmptrapd.conf

   
   

   Code Block
   language text title /etc/snmp/snmptrapd.conf
   disableAuthorization yes #If you have installed nmis9 in a different directory make sure to change below to match. traphandle default /usr/local/nmis9/bin/traplog.pl

   
   

6. Now we need to reload the daemon and restart the service.

   
   

   Code Block
   language bash title reload daemons
   systemctl daemon-reload systemctl restart snmptrapd # Always a good idea to check status systemctl status snmptrapd

   
   

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