==== setup snmpd for Centos 8 , Centos7
https://kifarunix.com/install-and-configure-snmp-ubuntu-18-04-and-centos-7/===Let request point snmpd server to 103.131.22.33
Community name: packetlovehaha
==Client
103.119.22.10:199 tcp
103.119.22.11:199 tcp
103.119.22.12:199 tcp
##Install by
yum install net-snmp net-snmp-utils
systemctl enable snmpd
systemctl restart snmpd
vi /etc/snmp/snmpd.conf
rocommunity packetlovehaha 103.131.22.33
systemctl restart snmpd
===configure listen interface all for snmpd tcp 199
cd /lib/systemd/system
cp /lib/systemd/system/snmpd.service /lib/systemd/system/snmpd.service.bak
==change with vi snmpd.service
ExecStart=/usr/sbin/snmpd $OPTIONS -f tcp:127.0.0.1:199 tcp:103.119.22.10.199
===reload and restart snmpd
systemctl daemon-reload
systemctl restart snmpd
==Check Will show listen 199 on
netstat -tnlp
127.0.0.1:199
103.119.22.10.199
