NAGIOS服务端安装
一、 主软件包:
1. nagios-3.0.x.tar.gz 主程序
2. nagios-plugins-1.4.x.tar.gz 插件
3. nrpe_2.8.x.tar.gz 外部构件
4. pnp -0.4.X 图形化工具
二、基本安装:
软件包准备:
服务端安装:
rpm -q gcc glibc glibc-common gd gd-devel xinetd openssl-devel httpd
安装步骤:
2.1 建立账号:
useradd nagios
passwd nagios
usermod -G nagios nagios
usermod -G nagios apache
2.2 安装nagios-3.0.x.tar.gz
./configure (不用跟参数,默认安装在/usr/local/nagios)
配置完毕按照提示安装
make all
====================
make install
====================
make install-init
====================
make install-config
====================
make install-commandmode
====================
make install-webconf #针对rpm版apache,source包apache配置见下 ====================
设置收信人地址
vi /usr/local/nagios/etc/objects/contacts.cfg
更改email地址nagiosadmin的联系人定义信息中的EMail信息为你的EMail信息以接收报警内容.
/usr/local/apache/bin/htpasswd -c /usr/local/nagios/etc/htpasswd nagiosadmin
输入密码(这一步很重要)
2.3安装Nagios插件
2.3.1 nagios-plugins-1.4.X.tar.gz
./configure --with-nagios-user=nagios --with-nagios-group=nagios
make
make install
chkconfig --add nagios
chkconfig nagios on
2.3.2 nrpe_2.8.x.tar.gz
./configure
make all
make install-plugins
make install-daemon
make install-daemon-config
make install-xinetd
三、 详细配置:
3.1 主机定义:
vi /usr/local/nagios/etc/objects/hosts.cfg
基本模板:
define host{
use linux-server # nagios server-name
host_name 主机名
alias 别名
address X.X.X
}
例:
define host {
host_name CentOS
use linux-server,host-pnp
alias nagios server
address 192.168.1.44
contact_groups nagcmd
check_command check-host-alive
max_check_attempts 5
notification_interval 10
notification_period 24x7
notification_options d,u,r
}
3.2 主机组定义:
vi /usr/local/nagios/etc/objects/hostgroup.cfg
基本模板:
define hostgroup{
hostgroup_name 组名
alias PAY-web
members 主机名1, 主机名2 # 须是定义过的
}
3.3 服务定义:
define service{
use generic-service ; Name of service template to use
hostgroup_name 主机组1, 主机组2
service_description Swap Usage
check_command check_nrpe!check_swap
}
例:define service {
host_name CentOS
use local-service,srv-pnp
service_description CPU
check_period 24x7
max_check_attempts 4
normal_check_interval 1
retry_check_interval 1
contact_groups nagcmd
notification_interval 10
notification_period 24x7
notification_options w,u,c,r
check_command check_nrpe!check_cpu
}
四、 NAGIOS的图形化(PNP)
#基于LAMP平台
PNP 是基于PHP和PERL,利用rrdtool将Nagios采集的数据绘制成图表
软件包列表:
Perl
rrdtool 1.2.*
pnp-0.3.3.tar.gz
4.1 安装rrdtool-1.4.4.*
tar –xvf rrdtool-1.4.4*
./configure 进行配置 –-prefix=/usr/local/rrdtool
make;make install 然后再编译和安装
ls /usr/local/rrdtool-1.4.4.* 查看安装目录是否有
应该有这些目录才正至此rrdtool安装成功
4.2 安装pnp
tar xzvf pnp-X.r.gz 将pnp进行解压
cd pnp-X 进入pnp 目录
./configure --with-rrdtool=/usr/local/rrdtool/bin/rrdtool --with-perfdata-dir=/usr/local/nagios/share/perfdata/
make all
make install
make install-config
4.2.1 相关设置
首先要将Nagios的主配置文件nagios.cfg中相关的配置修改:
process_performance_data=1
service_perfdata_command=process-service-perfdata #默认此句被注释掉了
如果想要对某个监控对象做数据图表,则需在所对应的host或者service定义中(一般写在hosts.cfg或者services.cfg文件中),包含如下的定义:
process_perf_data 1
4.3 访问图表
http://IP/nagios/pnp/
这样访问比较麻烦
在服务、主机中添加
1. 在object 目录里commands.cfg定义这两个命令:
# 'process-host-perfdata' command definition
define command{
command_name process-host-perfdata
#command_line /usr/bin/printf "%b" "$LASTHOSTCHECK$ $HOSTNAME$ $HOSTSTATE$ $HOSTATTEMPT$ $HOSTSTATETYPE$ $HOSTEXECUTIONTIME$ $HOSTOUTPUT$ $HOSTPERFDATA$ ">>/usr/local/nagios/var/host-perfdata.out
command_line /usr/local/nagios/libexec/process_perfdata.pl
}
# 'process-service-perfdata' command definition
define command{
command_name process-service-perfdata
# command_line /usr/bin/printf "%b" "$LASTSERVICECHECK$ $HOSTNAME$ $SERVICEDESC$ $SERVICESTATE$ $SERVICEATTEMPT$ $SERVICESTATETYPE$ $SERVICEEXECUTIONTIME$ $SERVICELATENCY$ $SERVICEOUTPUT$ $SERVICEPERFDATA$ " >> /usr/local/nagios/var/service-perfdata.out
command_line /usr/local/nagios/libexec/process_perfdata.pl
}
然后在hosts.cfg和services.cfg里面添加host-pnp, srv-pnp
添加之后重启nagios,然后到web下就可以看到
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