rhel下安装配置nagios和cacti
nagios安装指南
环境:rhel6.2
软件:nagios-3.3.1.tar.gz
1、最小化安装系统
2、安装缺失插件
yum install -y httpd http-devel MySQL mysql-devel mysql-server gcc glibc glibc-common gd gd-devel php make php-devel php-gd ntp make net-snmp net-snmp-devel
3、创建nagios用户并创建nagcmd组,允许用户在web上执行命令.
useradd -m nagios
groupadd nagcmd
usermod -a -G nagcmd nagios
usermod -a -G nagcmd apache
3、编译安装nagios
./configure --with-gd-lib=/usr/local/lib --with-command-group=nagcmd --prefix=/var/www/html/nagios
make all
make install
make install-init
make install-config
make install-commandmode
4、修改发信邮箱、修改apache配置文件
vi /var/www/html/nagios/etc/objects/contacts.cfg
nagios-3.2.3/sample-config/httpd.conf中的片段拷贝到/etc/httpd/conf/httpd.conf中
5、添加登录认证文件
htpasswd -c /var/www/html//nagios/etc/htpasswd.users nagiosadmin
6、安装nagios-plugins插件
tar -zvxf nagios-plugins-1.4.15.tar.gz
cd nagios-plugins-1.4.15
./configure --with-nagios-user=nagios --with-nagios-group=nagios --prefix=/var/www/html/nagios
make && make install
7、nagios 测试
chown nagios:nagios /var/www/html/nagios/ -R
/etc/init.d/httpd restart
chkconfig httpd on
/etc/init.d/nagios start
8、安装nrpe
tar xzvf nrpe-2.12.tar.gz
cd nrpe-2.12
./configure
make all
make install-plugin
make install-daemon
make install-daemon-config
make install-xinetd
9、修改nrpe配置
编辑/etc/xinetd.d/nrpe
only_from = 127.0.0.1 #这里只能加一个IP
编辑/etc/services,在最后一行加上
nrpe 5666/tcp # NRPE
在监控主机上编辑 /var/www/html/nagios/etc/objects/commands.cfg,加入下面的command。
[plain] view plaincopy
define command{
command_name check_nrpe
command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -c $ARG1$
}
10、配置snmp服务
yum install net-snmp net-snmp-devel net-snmp-libs net-snmp-utils
chkconfig –level 35 snmpd on
service snmpd start
vi /etc/snmp/snmpd.conf
修改com2sec notConfigUser default public
为:com2sec notConfigUser 127.0.0.1 public
修改access notConfigGroup "" any noauth exact systemview none none
为access notConfigGroup "" any noauth exact all none none
并启用view all included .1 80此行;
11、解压移动cacti
tar xvf cacti-0.8.7g.tar.gz
mv cacti-0.8.7g /var/www/html/cacti
12、安装rrdtool
tar xzf rrdtool-1.4.5.tar.gz ;
cd rrdtool-1.4.5 ;
./configure –-prefix=/usr/local/rrdtool/ ;
make &&make install
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ln -s /usr/local/rrdtool/bin/* /usr/local/bin/
或者执行:
yum install rrdtool*
13、配置cacti数据库
mysql -uroot –p##输入你的密码进入数据库,然后创建数据库:
create database cacti; ## 创建库
grant all on cacti.* to cacti@’localhost’ identified by ’123456′;##创建用户并授权
flush privileges;##刷新权限
mysql配置完毕后,把cacti数据导入cacti数据库里面:
mysql -ucacti -p cacti
回车输入cacti用户的密码123456即可。
需要在修改/var/www/html/cacti/include/config.php ;
将
$database_type = "mysql";
$database_default = "cacti";
$database_hostname = "localhost";
$database_username = "cacti";
$database_password = "123456";
$database_port = "3306";
改成相应的数据即可;
配置完mysql后,我们需要设置cacti rra、log 目录的权限,这里设置为777 :
chmod -R 777 /var/www/html/cacti/rra/
chmod -R 777 /var/www/html/cacti/log/
为了绘制图表,需要手动添加以下任务
* /5 * * * * php /var/www/html/cacti/poller.php
14、浏览器中打开:
http://localhost:/cacti
执行install安装即可;
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