Cacti通过SNMP获取服务器流量，并给每个Cacti分配独立的账号，查询自己机器的流量图

[root@hk sh]#yum install net-snmp
[root@hk sh]# more /etc/snmp/snmpd.conf 
com2sec Test-User  default       public
group   notConfigGroup v1           notConfigUser
group   notConfigGroup v2c           notConfigUser
group   publicGroup v2c           Test-User
view    systemview    included   .1.3.6.1.2.1.1
view    systemview    included   .1.3.6.1.2.1.2
view    systemview    included   .1.3.6.1.2.1.25.1.1
view    allview       included   .1
access  publicGroup    ""      any       noauth    exact  allview  none none
syslocation Unknown (edit /etc/snmp/snmpd.conf)
syscontact Root <root@localhost> (configure /etc/snmp/snmp.local.conf)
dontLogTCPWrappersConnects yes

[root@hk sh]# systemctl enable snmpd –now