CentOS 7 SNMP 設定 – IPv4 / IPv6 対応の snmpd.conf

cp -a /etc/snmp/snmpd.conf /etc/snmp/snmpd.conf.bak

cat <<'EOF' > /etc/snmp/snmpd.conf
agentaddress udp:161
agentaddress udp6:161
com2sec mysecurity localhost public
com2sec mysecurity 192.168.0.100 public
com2sec6 mysecurity localhost public
com2sec6 mysecurity fd00::c0a8:64 public
group mygroup v2c mysecurity
view all included .1 80
access mygroup "" any noauth exact all none none
disk /
EOF

cp -a /etc/sysconfig/snmpd /etc/sysconfig/snmpd.bak

cat <<'EOF' > /etc/sysconfig/snmpd
OPTIONS="-Lf /var/log/snmpd.log -p /var/run/snmpd.pid -a"
EOF

cat <<'EOF' > /etc/logrotate.d/snmpd
/var/log/snmpd.log {
    notifempty
    missingok
    postrotate
        systemctl condrestart snmpd 2> /dev/null > /dev/null || true
    endscript
}
EOF

systemctl enable --now snmpd
systemctl status snmpd
ss -lunp | grep 161