CentOS5 安装配置 SNMP 服务

1.通过 yum 安装

yum install net-snmp net-snmp-utils

2.创建配置文件,并且添加用户

snmpconf

输出：

The following installed configuration files were found:

   1:  /etc/snmp/snmpd.conf
   2:  /usr/share/snmp/snmpd.conf

Would you like me to read them in?  Their content will be merged with the
output files created by this session.

Valid answer examples: "all", "none","3","1,2,5"

Read in which (default = all): none

I can create the following types of configuration files for you.
Select the file type you wish to create:
(you can create more than one as you run this program)

   1:  snmpd.conf
   2:  snmp.conf
   3:  snmptrapd.conf

Other options: quit

Select File: 1

The configuration information which can be put into snmpd.conf is divided
into sections.  Select a configuration section for snmpd.conf
that you wish to create:

   1:  Access Control Setup
   2:  Extending the Agent
   3:  Agent Operating Mode
   4:  System Information Setup
   5:  Trap Destinations
   6:  Monitor Various Aspects of the Running Host

Other options: finished

Select section: 1

Section: Access Control Setup
Description:
  This section defines who is allowed to talk to your running
  snmp agent.

Select from:

   1:  a SNMPv3 read-write user
   2:  a SNMPv3 read-only user
   3:  a SNMPv1/SNMPv2c read-only access community name
   4:  a SNMPv1/SNMPv2c read-write access community name

Other options: finished, list

Select section:

最后一项根据你自己的需要选择

3.创建用户（SNMPv3）
在 /var/net-snmp/snmpd.conf(如果没有，先启动snmp服务

 /etc/init.d/snmpd start

)
中添加如下行，用户名密码根据你自己情况修改

createUser user1 MD5 user1password

4.重启动服务

 /etc/init.d/snmpd stop

 /etc/init.d/snmpd start

5.打开防火墙端口

iptables -A INPUT -i eth0 -p udp -s [允许访问的ip地址] --dport 161 -j ACCEPT

5.监控
http://blog.jiankongbao.com/?p=160