To manually query a SNMP agent
snmpwalk -t 2 -v 2c -c myCommunity 172.16.3.8 .1.3.6.1.2.1.1
rocommunity nebula default
sysLocation PVE
sysContact ross@rlskeels.com
agentAddress udp:161
view systemonly included .1.3.6.1.2.1.1
view systemonly included .1.3.6.1.2.1.25.1
sysServices 72
proc sendmail 10 1
includeAllDisks 10%
disk / 10000
disk /var 5%
load 12 10 5
dontLogTCPWrappersConnects yes
extend .1.3.6.1.4.1.2021.7890.2 hardware '/bin/cat /sys/devices/virtual/dmi/id/product_name'
extend .1.3.6.1.4.1.2021.7890.3 manufacturer '/bin/cat /sys/devices/virtual/dmi/id/sys_vendor'
extend .1.3.6.1.4.1.2021.7890.4 serial '/bin/cat /sys/devices/virtual/dmi/id/product_serial'