cacti安装说明

2009-12-20 13:43| 发布者: admin| 查看: 59| 评论: 0|原作者: 青鸾峰

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MicrosoftInternetExplorer4

/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.0pt;
font-family:"Times New Roman";}
table.MsoTableGrid
{mso-style-name:网格型;
mso-tstyle-rowband-size:0;
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border:solid windowtext 1.0pt;
mso-border-alt:solid windowtext .5pt;
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-border-insideh:.5pt solid windowtext;
mso-border-insidev:.5pt solid windowtext;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
text-align:justify;
text-justify:inter-ideograph;
mso-pagination:none;
font-size:10.0pt;
font-family:"Times New Roman";}
cacti安装说明
说明：cacti是一套开源的网络、服务器监控软件。
一、安装依赖的软件
1、安装apache

[root@monitor ~]# yum install httpd

检验是否安装成功：

[root@monitor cacti]# rpm -qa|grep httpd
system-config-httpd-1.3.3.3-1.el5
httpd-2.2.3-11.el5_1.centos.3
httpd-manual-2.2.3-11.el5_1.centos.3

2、安装mysql

[root@monitor ~]# yum install mysql mysql
server

检验是否安装成功：

[root@monitor cacti]# rpm -qa|grep mysql
mysql-5.0.45-7.el5
mysql-server-5.0.45-7.el5

3、安装php相关

[root@monitor ~]# yum install php
php-mysql php-snmp

检验是否安装成功：

[root@monitor cacti]# rpm -qa|grep
php
php-5.1.6-20.el5_2.1
php-common-5.1.6-20.el5_2.1
php-pdo-5.1.6-20.el5_2.1
php-cli-5.1.6-20.el5_2.1
php-mysql-5.1.6-20.el5_2.1
php-ldap-5.1.6-20.el5_2.1
php-snmp-5.1.6-20.el5_2.1

4、安装net-snmp相关

[root@monitor ~]# yum install net-snmp
net-snmp-utils

检验是否安装成功：

[root@monitor cacti]# rpm -qa|grep
net-snmp
net-snmp-5.3.1-24.el5_2.2
net-snmp-utils-5.3.1-24.el5_2.2
net-snmp-libs-5.3.1-24.el5_2.2
[root@monitor cacti]#

5、安装
当前版本为1.2.23-1,根据系统的版本下载相关版本，本例为CentOS5.2，所以下载el5的版本；
下载地址：http://oss.oetiker.ch/rrdtool/download.en.html

[root@monitor ~]# rpm -ivh
perl-rrdtool-1.2.23-1.el5.rf.i386.rpm rrdtool-1.2.23-1.el5.rf.i386.rpm
warning:
perl-rrdtool-1.2.23-1.el5.rf.i386.rpm: Header V3 DSA signature: NOKEY, key ID
6b8d79e6
Preparing...
########################################### [100%]

1:rrdtool
########################################### [ 50%]

2:perl-rrdtool
########################################### [100%]

6、将apache和mysql设置成自启动

[root@monitor ~]# chkconfig --add httpd
[root@monitor ~]# chkconfig httpd on
[root@monitor ~]# chkconfig --list|grep
httpd
httpd
0:off 1:off 2:on
3:on 4:on 5:on 6:off

[root@monitor ~]# chkconfig --add mysqld
[root@monitor ~]# chkconfig mysqld on
[root@monitor ~]# chkconfig --list|grep
mysqld
mysqld
0:off 1:off 2:on
3:on 4:on 5:on 6:off

7、手动启动mysql和httpd

[root@monitor ~]# /etc/init.d/mysqld
start
[root@monitor ~]# /etc/init.d/httpd start

8、修改mysql的root用户密码
这里值得提出的是，有很多人不修改mysql的缺省口令，这样会有很大的安全隐患。

修改root用户密码有很多种方法,这里只介绍一种。

[root@monitor ~]# mysql
Welcome to the MySQL monitor.
Commands end with ; or \g.
Your MySQL connection id is 30
Server version: 5.0.45 Source
distribution

Type 'help;' or '\h' for help. Type '\c'
to clear the buffer.

mysql> use mysql
Reading table information for completion
of table and column names
You can turn off this feature to get a
quicker startup with -A

Database changed
mysql> select host,user,password from
user;
------------ ------- ------------------
|
host | user |
password |
------------ ------- ------------------
| localhost | root
|
|
| domain.com | root
|
|
| 127.0.0.1 | root |
|
------------ ------- ------------------
4 rows in set (0.00 sec)

mysql> UPDATE user SET
Password=PASSWORD('YourPassWord') WHERE
User='root';

Query OK, 3 rows affected (0.01 sec)
Rows matched: 3 Changed: 3
Warnings: 0

mysql> select host,user,password from
user;

------------ ------- ------------------
|
host | user |
password |
------------ ------- ------------------
| localhost | root |
3661cf4xxd958bxx |
| domain.com | root |
3661cf4xxd958bxx |
| 127.0.0.1 | root |
3661cf4xxd958bxx |
------------ ------- ------------------
4 rows in set (0.00 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

mysql> quit
Bye
[root@monitor ~]# mysql
ERROR 1045 (28000): Access denied for
user 'root'@'localhost' (using password: NO)
[root@monitor ~]# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor.
Commands end with ; or \g.
Your MySQL connection id is 32
Server version: 5.0.45 Source
distribution

Type 'help;' or '\h' for help. Type '\c'
to clear the buffer.

mysql>

OK了，准备工作做完了，可以继续了！

二、安装cacti

1、创建cacti数据库

[root@monitor ~]# mysql -uroot -p
Enter password:
mysql> create database cacti；
mysql> GRANT ALL ON cacti.* TO
cacti@localhost IDENTIFIED BY 'YourPassWord';
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

2、安装cacti
cacti是用php些的程序，所以下载下来，解压到apache的DocumentRoot目录下就可以了。
可以到官方网站去下载稳定版的版本。
官方网站：http://www.cacti.net
[root@monitor ~]# wget
http://www.cacti.net/downloads/cacti-0.8.7b.tar.gz

将cacti解压缩到apache的DocumentRoot目录下，由于此次是rpm默认安装的，位置在/var/www/html目录下。

[root@monitor ~]# tar zxvf
cacti-0.8.7b.tar.gz -C /var/www/html/cacti
[root@monitor ~]# cd /var/www/html/
[root@monitor html]# chown -R
apache.apache cacti

3、配置数据库连接参数
修改
include/config.php 文件，指定数据库类型，数据库名称，用户名，密码，端口等设置。

$database_type = "mysql";
$database_default = "cacti";
$database_hostname =
"localhost";
$database_username = "cacti";
$database_password =
"YourPassWord";

4、增加cacti用户，通过这个用户的crontab定时采集数据

[root@monitor cacti]# useradd cacti
[root@monitor cacti]# passwd cacti
Changing password for user cacti.
New UNIX password:
Retype new UNIX password:
passwd: all authentication tokens updated
successfully.
[root@monitor cacti]# pwd
/var/www/html/cacti
[root@monitor cacti]# chown -R cacti rra/
log/
[root@monitor html]# su - cacti
[cacti@monitor ~]$
[cacti@monitor ~]$ crontab -e
#在crontab里面增加一行，没5分钟采集一次。
*/5 * * * * php
/var/www/html/cacti/poller.php > /dev/null 2>&1

Normal
0

7.8 磅
0
2

MicrosoftInternetExplorer4

/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.0pt;
font-family:"Times New Roman";}

Normal
0

7.8 磅
0
2

MicrosoftInternetExplorer4

/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.0pt;
font-family:"Times New Roman";}
5、通过浏览访问cacti

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MicrosoftInternetExplorer4

/* Style Definitions */
table.MsoNormalTable
{mso-style-name:普通表格;
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-parent:"";
mso-padding-alt:0cm 5.4pt 0cm 5.4pt;
mso-para-margin:0cm;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:10.0pt;
font-family:"Times New Roman";}
http://your.server.com/cacti
三、配置cacti
1、第一次通过web登录会出现一个安装向导，仔细夜读说明后按【Next>>】进入下一步；
2、选择New Install 按【Next>>】进入下一步；
3、这个页面会显示依赖的软件的位置，如果出现红色请仔细查看，并擦找原因，没有问题按【Finsh】完成设置；
4、重新登录到cacti页面，会让你输入密码，用户密码均为admin；
5、修改admin用户的密码，进入到cacti的页面。

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