1、安装SNMP服务
yum install net-snmp net-snmp-utils
2、启动SNMP服务
systemctl start snmpd.service
3、设置SNMP服务开机自启
systemctl enable snmpd.service
4、更改团体名
vi /etc/snmp/snmpd.conf
####
# First, map the community name "public" into a "security name"
# sec.name source community
com2sec notConfigUser default public
####
# Second, map the security name into a group name:
# groupName securityModel securityName
#group notConfigGroup v1 notConfigUser
group notConfigGroup v2c notConfigUser
5、重启SNMP服务
systemctl restart snmpd.service
6、测试
snmpwalk -v 2c -c public 127.0.0.1
7、防火墙放行
firewall-cmd --list-ports #查看当前开放的端口
firewall-cmd --permanent --zone=public --add-port=161/udp #防火墙添加开放161 udp端口
firewall-cmd --reload #重新加载配置