Centos下cacti的安装

介绍

Cacti是一套基于PHP,MySQL,SNMP及RRDTool开发的网络流量监测图形分析工具。Cacti是通过 snmpget来获取数据，使用 RRDtool绘画图形。它提供了非常强大的数据和用户管理功能，可以指定每一个用户能查看树状结构、host以及任何一张图，还可以与LDAP结合进行用户验证，同时也能自己增加模板，功能非常强大完善。界面友好。软件 Cacti 的发展是基于让 RRDTool 使用者更方便使用该软件，除了基本的 Snmp 流量跟系统资讯监控外，Cacti 也可外挂 Scripts 及加上 Templates 来作出各式各样的监控图。

snmp关系着数据的收集，rrdtool关系着数据存储和图表的生成，snmp抓到数据不是存储在mysql中，而是存在rrdtool生成的rrd文件中（在cacti根目录的rra文件夹下）。rrdtool对数据的更新和存储就是对rrd文件的处理，rrd文件是大小固定的档案文件（Round Robin Archive），它能够存储的数据笔数在创建时就已经定义

准备工作

http://www.cacti.net/download_cacti.php
http://www.cacti.net/downloads/cacti-0.8.8b.tar.gz
http://www.cacti.net/downloads/spine/cacti-spine-0.8.8b.tar.gz

安装rrdtool

getconf LONG_BIT
rpm -ivh http://apt.sw.be/redhat/el6/en/i386/rpmforge/RPMS/rpmforge-release-0.5.2-2.el6.rf.i686.rpm
rpm -ivh http://apt.sw.be/redhat/el6/en/x86_64/rpmforge/RPMS/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm

yum install rrdtool -y

安装配置snmp

yum install net-snmp net-snmp-libs net-snmp-utils -y
chkconfig snmpd on

snmp配置文件 /etc/snmp/snmpd.conf

com2sec notConfigUser  127.0.0.1       public
group   notConfigGroup v1           notConfigUser
group   notConfigGroup v2c           notConfigUser
view    systemview    included   .1.3.6.1.2.1
view    systemview    included   .1.3.6.1.2.1.25.1.1
access  notConfigGroup ""      any       noauth    exact  all  none none
view all    included  .1                               80
syslocation Unknown (edit /etc/snmp/snmpd.conf)
syscontact Root <[email protected]> (configure /etc/snmp/snmp.local.conf)
dontLogTCPWrappersConnects yes

启动然后测试

service snmpd start
snmpwalk -v 1 -c public localhost .1.3.6.1.2.1.1.1.0
snmpwalk -c public -v 2c 127.0.0.1 system

输出类一下信息则表明安装成功

SNMPv2-MIB::sysDescr.0 = STRING: Linux localhost.localdomain 2.6.32-504.16.2.el6.i686 #1 SMP Wed Apr 22 04:04:03 UTC 2015 i686
SNMPv2-MIB::sysDescr.0 = STRING: Linux localhost.localdomain 2.6.32-504.16.2.el6.i686 #1 SMP Wed Apr 22 04:04:03 UTC 2015 i686
SNMPv2-MIB::sysObjectID.0 = OID: NET-SNMP-MIB::netSnmpAgentOIDs.10
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (874261) 2:25:42.61
SNMPv2-MIB::sysContact.0 = STRING: Root <[email protected]> (configure /etc/snmp/snmp.local.conf)
SNMPv2-MIB::sysName.0 = STRING: localhost.localdomain
SNMPv2-MIB::sysLocation.0 = STRING: Unknown (edit /etc/snmp/snmpd.conf)
SNMPv2-MIB::sysORLastChange.0 = Timeticks: (25) 0:00:00.25
SNMPv2-MIB::sysORID.1 = OID: SNMP-MPD-MIB::snmpMPDMIBObjects.3.1.1
SNMPv2-MIB::sysORID.2 = OID: SNMP-USER-BASED-SM-MIB::usmMIBCompliance
SNMPv2-MIB::sysORID.3 = OID: SNMP-FRAMEWORK-MIB::snmpFrameworkMIBCompliance

 安装spine

net-snmp-devel
mysql
mysql-devel
openssl-devel

安装

yum -y install net-snmp-devel
cd /usr/local/src/
wget http://www.cacti.net/downloads/spine/cacti-spine-0.8.8b.tar.gz
tar -zxf  cacti-spine-0.8.8b.tar.gz
cd cacti-spine-0.8.8b
./configure
make && make install
vim /usr/local/spine/etc/spine.conf
//修改数据库连接信息

测试

/usr/local/spine/bin/spine
ldd /usr/local/spine/bin/spine

出现一下信息则表示成功

SPINE: Using spine config file [/etc/spine.conf]
SPINE: Version 0.8.8a starting
SPINE: Time: 0.1190 s, Threads: 5, Hosts: 2

linux-gate.so.1 =>  (0x00896000)
        libnetsnmp.so.20 => /usr/lib/libnetsnmp.so.20 (0x0094e000)
        libmysqlclient.so.18 => /usr/lib/libmysqlclient.so.18 (0x0037f000)
        libcrypto.so.10 => /usr/lib/libcrypto.so.10 (0x046a7000)
        libz.so.1 => /lib/libz.so.1 (0x001ac000)
        libpthread.so.0 => /lib/libpthread.so.0 (0x001c0000)
        libm.so.6 => /lib/libm.so.6 (0x001db000)
        libc.so.6 => /lib/libc.so.6 (0x006b3000)
        libssl.so.10 => /usr/lib/libssl.so.10 (0x03bb1000)
        libdl.so.2 => /lib/libdl.so.2 (0x00205000)
        librt.so.1 => /lib/librt.so.1 (0x0020a000)
        libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x037f4000)
        libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x00259000)
        /lib/ld-linux.so.2 (0x0035f000)
        libgssapi_krb5.so.2 => /lib/libgssapi_krb5.so.2 (0x039c2000)
        libkrb5.so.3 => /lib/libkrb5.so.3 (0x038e3000)
        libcom_err.so.2 => /lib/libcom_err.so.2 (0x00df4000)
        libk5crypto.so.3 => /lib/libk5crypto.so.3 (0x002fc000)
        libresolv.so.2 => /lib/libresolv.so.2 (0x00213000)
        libkrb5support.so.0 => /lib/libkrb5support.so.0 (0x002ee000)
        libkeyutils.so.1 => /lib/libkeyutils.so.1 (0x0032f000)
        libselinux.so.1 => /lib/libselinux.so.1 (0x0022d000)

 安装cacti

cd /usr/loca/src
wget http://www.cacti.net/downloads/cacti-0.8.8b.tar.gz
tar xzf cacti-0.8.8b.tar.gz
mv cacti-0.8.8b /data/www/cacti
cd !$
mysql -urott -p  -e ‘create database cacti‘
mysql -uroot -p cacti < cacti.sql

授权

GRANT ALL ON cacti.* TO [email protected] IDENTIFIED BY ‘cactipassword‘;

修改配置文件 include/config.php

加入cron

echo "*/5 * * * * cactiuser php /data/www/cacti/poller.php > /dev/null 2>&1">>/etc/crontab

 访问后台

出现以上则说明成功

过5分钟过，不出意外的话则可以看到监控的图片了