Cài đặt và cấu hình SNMP trên CentOS Install and configure SNMP on RHEL or CentOS
 

Cài đặt và cấu hình SNMP trên CentOS

Install and configure SNMP on RHEL or CentOS



1. Cài đặt


Chạy lệnh sau để cài đặt yum install net-snmp-utils

[root@dull etc]# yum install net-snmp-utils

Loading "fastestmirror" plugin Loading "dellsysidplugin" plugin ... ...
Dependencies Resolved ==============================================

=============================== Package Arch Version
Repository Size

================================================== =========================== Installing: net-snmp-utils i386 1:5.3.1-24.el5_2.2 updates 182 k Installing for dependencies: net-snmp i386 1:5.3.1-24.el5_2.2 updates 698 k Transaction Summary ================================================== =========================== Install 2 Package(s) Update 0 Package(s) Remove 0 Package(s) Total
download size: 879 k Is this ok [y/N]: y Answer y
Downloading Packages:

(1/2): net-snmp-utils-5.3 100%
|=========================| 182 kB 00:02 (2/2):
net-snmp-5.3.1-24. 100% |=========================|
698 kB 00:06 Running rpm_check_debug Running Transaction Test
Finished Transaction Test Transaction Test Succeeded Running Transaction
Installing: net-snmp ######################### [1/2]
Installing: net-snmp-utils ######################### [2/2]
Installed: net-snmp-utils.i386 1:5.3.1-24.el5_2.2 Dependency Installed:
net-snmp.i386 1:5.3.1-24.el5_2.2 Complete!




2. Cấu hình


Backup lại file cấu hình mặt định

[root@dull ~]# mv /etc/snmp/snmpd.conf /etc/snmp/snmpd.conf.org

Tạo file mới

[root@dull ~]# vi /etc/snmp/snmpd.conf

rocommunity public
syslocation "Viettel DataCenter"
syscontact info@quantrinet.com

Khởi động dịch vụ


[root@dull ~]# /etc/init.d/snmpd start

Kiểm tra dịch vụ đang chạy

[root@dull ~]# snmpwalk -v 1 -c public -O e 127.0.0.1
SNMPv2-MIB::sysDescr.0 = STRING: Linux dull 2.6.18-92.1.17.el5 #1
SMP Tue Nov 4 13:45:01 EST 2008 i686 SNMPv2-MIB::sysObjectID.0 =
OID: NET-SNMP-MIB::netSnmpAgentOIDs.10 DISMAN-EVENT-
MIB::sysUpTimeInstance = Timeticks: (16748) 0:02:47.48 SNMPv2-
MIB::sysContact.0 = STRING: peter@it-slav.net SNMPv2-
MIB::sysName.0 = STRING: dull SNMPv2-MIB::sysLocation.0 = STRING:
"PDC, Peters DataCentral" SNMPv2-MIB::sysORLastChange.0 =
Timeticks: (1) 0:00:00.01 ... ...


Cho phép dịch vụ auto start khi reboot

[root@dull ~]# chkconfig snmpd on

3. Giám sát bằng cách vào PRTG or Navios ... add sensor traffic



http://www.it-slav.net/blogs/wp-cont...ssnmp-eth0.png

http://www.it-slav.net/blogs/2008/11...hel-or-centos/





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