Useful additions

Packages to add

apt install lldpd snmpd

snmpd.conf

Minimal configuration for /etc/snmpd/snmpd.conf to enable monitoring physical host resources via snmp.

# file:/etc/snmp/snmpd.conf
sysLocation    Undisclosed location
sysContact     Ghostbusters! <ghost@busters.loc>
sysServices    72

# master  agentx
agentaddress  udp:161

rocommunity  localmon 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16
rocommunity6 localmon fe80::/10

includeDir /etc/snmp/snmpd.conf.d