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nagios监控系统安装
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一、安装nagios服务端安装
1.修改机器名字，设置yum源，关闭防火墙，selinux，后面根据实际情况开启，我这用的163的源
cd /etc/yum.repos.d
mv CentOS-Base.repo CentOS-Base.repo.backup
wget http://mirrors.163.com/.help/CentOS6-Base-163.repo
mv CentOS6-Base-163.repo CentOS-Base.repo
yum clean all
2.解决perl编译问题
[root@master ~]# echo ‘export LC_ALL=C‘>>/etc/profile
[root@master ~]# source /etc/profile
[root@master ~]# echo $LC_ALL
3.解决系统时间同步
[root@master ~]# echo ‘*/10 * * * * /usr/sbin/ntpdate pool.ntp.org >/dev/null 2>&1‘ >/var/spool/cron/root
[root@master ~]# crontab -l
*/10 * * * * /usr/sbin/ntpdate pool.ntp.org >/dev/null 2>&1
[root@master ~]#
4.安装nagios所需基础软件包
[root@master ~]# yum install gcc glibc* gd* httpd php*
5.添加nagios需要的用户及用户组
[root@master ~]# /usr/sbin/useradd -m nagios
[root@master ~]# /usr/sbin/useradd apache
[root@master ~]# /usr/sbin/groupadd nagcmd
[root@master ~]# /usr/sbin/usermod -a -G nagcmd nagios
[root@master ~]# /usr/sbin/usermod -a -G nagcmd apache
检查所属的用户及用户组
[root@master ~]# id -n -G nagios
nagios nagcmd
[root@master ~]# id -n -G apache
apache nagcmd
[root@master ~]#
6.下载nagios源码
https://www.nagios.org/downloads/nagios-core/thanks/
https://www.nagios.org/downloads/nagios-plugins/
7.开始安装
(1)创建目录并上传包
[root@master ~]# mkdir -p /home/tangbo/tools/nagios
[root@master nagios]# ls
nagios-4.1.1.tar.gz nagios-plugins-2.1.1.tar.gz
(2)开始解压
[root@master nagios]# tar -zxvf nagios-4.1.1.tar.gz
[root@master nagios]# cd nagios-4.1.1
(3)开始编译及安装
[root@master nagios-4.1.1]# ./configure --with-command-group=nagcmd
Web Interface Options:
------------------------
HTML URL: http://localhost/nagios/
CGI URL: http://localhost/nagios/cgi-bin/
Traceroute (used by WAP): /bin/traceroute
Review the options above for accuracy. If they look okay,
type ‘make all‘ to compile the main program and CGIs. 这样提示表示正确了
[root@master nagios-4.1.1]# make all
For more information on obtaining support for Nagios, visit:
https://support.nagios.com
*************************************************************
Enjoy. 最后有Enjoy.表示编译正常
[root@master nagios-4.1.1]# make install
(4)继续安装初始化
[root@master nagios-4.1.1]# make install-init 这个表示安装初始化脚本
[root@master nagios-4.1.1]# make install-commandmode 安装命令模式
[root@master nagios-4.1.1]# make install-config 安装样例配置文件
8.安装nagios web配置文件及创建登陆用户
[root@master nagios-4.1.1]# make install-webconf
/usr/bin/install -c -m 644 sample-config/httpd.conf /etc/httpd/conf.d/nagios.conf 去查看和理解这个文件
*** Nagios/Apache conf file installed ***
[root@master nagios-4.1.1]#
9.创建nagios web监控界面登陆时需要的用户名（唐波）及其密码
[root@master nagios-4.1.1]# htpasswd -c /usr/local/nagios/etc/htpasswd.users tangbo
New password:
Re-type new password:
Adding password for user tangbo
[root@master nagios-4.1.1]#
[root@master nagios-4.1.1]# cat /usr/local/nagios/etc/htpasswd.users
tangbo:7mdQ02yZfJLjQ
[root@master nagios-4.1.1]#
10.添加监控报警的接收email地址
[root@master nagios-4.1.1]# vim /usr/local/nagios/etc/objects/contacts.cfg +35
lt values from generic-contact template (defined above)
alias Nagios Admin ; Full name of user
email 79313760@qq.com ; <<***** CHANGE THIS TO YOUR EMAIL ADDRESS ******
}
安装sendmail且启动它
[root@master nagios-4.1.1]# yum install sendmail -y
[root@master nagios-4.1.1]# service sendmail start
Starting sendmail: [ OK ]
Starting sm-client: [ OK ]
[root@master nagios-4.1.1]#
[root@master nagios-4.1.1]# netstat -tlnp | grep 25 |grep -v grep
如果sendmail启动慢，可以修改/etc/hosts，添加主机名hostname
11.配置apache服务
[root@master nagios-4.1.1]# service httpd start
[root@master nagios-4.1.1]# ps -ef | grep http
root 431 1 0 14:07 ? 00:00:00 /usr/sbin/httpd
apache 433 431 0 14:07 ? 00:00:00 /usr/sbin/httpd
[root@master nagios-4.1.1]#
12.安装nagios插件软件包 yum install perl-devel perl-CPAN -y
[root@master nagios]# tar -zxvf nagios-plugins-2.1.1.tar.gz
[root@master nagios]# cd nagios-plugins-2.1.1
yum install perl-devel perl-CPAN -y
[root@master nagios-plugins-2.1.1]# ./configure --with-nagios-user=nagios --with-nagios-group=nagios --enable-perl-modules --with-mysql=/usr/local/mysql
[root@master nagios-plugins-2.1.1]# make
[root@master nagios-plugins-2.1.1]# make install
13.添加nagios服务到开机自启动
[root@master nagios-plugins-2.1.1]# chkconfig nagios on
[root@master nagios-plugins-2.1.1]# chkconfig --list nagios
nagios 0:off1:off2:on3:on4:on5:on6:off
[root@master nagios-plugins-2.1.1]#
14.验证nagios配置文件（语法检查）
[root@master ~]# /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
Checking misc settings...
Total Warnings: 0
Total Errors: 0
一般看到都是0就成功了
[root@master ~]# /etc/init.d/nagios checkconfig
Running configuration check...
OK.
[root@master ~]#
15.启动nagios服务
[root@master ~]# /etc/init.d/nagios start
Starting nagios: done.
[root@master ~]# ps -ef | grep nagios | grep -v grep
root 336 28056 0 14:01 pts/0 00:00:00 vim /usr/local/nagios/etc/objects/contacts.cfg +35
nagios 15312 1 0 14:29 ? 00:00:00 /usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg
nagios 15314 15312 0 14:29 ? 00:00:00 /usr/local/nagios/bin/nagios --worker /usr/local/nagios/var/rw/nagios.qh
nagios 15315 15312 0 14:29 ? 00:00:00 /usr/local/nagios/bin/nagios --worker /usr/local/nagios/var/rw/nagios.qh
nagios 15316 15312 0 14:29 ? 00:00:00 /usr/local/nagios/bin/nagios --worker /usr/local/nagios/var/rw/nagios.qh
nagios 15317 15312 0 14:29 ? 00:00:00 /usr/local/nagios/bin/nagios --worker /usr/local/nagios/var/rw/nagios.qh
nagios 15318 15312 0 14:29 ? 00:00:00 /usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg
[root@master ~]#
16.打开浏览器开始验证 http://192.168.11.34/nagios/ 出现输入账号密码即成功了。
17.安装nrpe，客户端进程。
tar -zxvf nrpe-2.15.tar.gz
cd nrpe-2.15
./configure
make all
make install-plugin
make install-daemon
make install-daemon-config
提示：服务端也要安装nrpe，不然会缺少相关检查插件，另外可以监控自身的基本健康状态。
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二、nagios客户端安装
1.修改机器名字，设置yum源，关闭防火墙，selinux，后面根据实际情况开启，我这用的163的源
cd /etc/yum.repos.d
mv CentOS-Base.repo CentOS-Base.repo.backup
wget http://mirrors.163.com/.help/CentOS6-Base-163.repo
mv CentOS6-Base-163.repo CentOS-Base.repo
yum clean all
2.解决perl编译问题
[root@master ~]# echo ‘export LC_ALL=C‘>>/etc/profile
[root@master ~]# source /etc/profile
[root@master ~]# echo $LC_ALL
3.解决系统时间同步
[root@master ~]# echo ‘*/10 * * * * /usr/sbin/ntpdate pool.ntp.org >/dev/null 2>&1‘ >/var/spool/cron/root
[root@master ~]# crontab -l
*/10 * * * * /usr/sbin/ntpdate pool.ntp.org >/dev/null 2>&1
[root@master ~]#
4.安装nagios客户端插件
[root@master ~]# mkdir -p /home/tangbo/tools/nagios
[root@master nagios]# ls
nagios-4.1.1.tar.gz nagios-plugins-2.1.1.tar.gz
开始安装nagios-plugins-2.1.1.tar.gz
[root@slave nagios]# useradd nagios -M -s /sbin/nologin
cd nagios-plugins-2.1.1
./configure --with-nagios-user=nagios --with-nagios-group=nagios --enable-perl-modules --with-mysql=/usr/local/mysql
make
make install
5.安装nrpe
tar -zxvf nrpe-2.15.tar.gz
cd nrpe-2.15
./configure
make all
make install-plugin
make install-daemon
make install-daemon-config
提示：服务端也要安装nrpe，不然会缺少相关检查插件，另外可以监控自身的基本健康状态。
6.安装其它相关的插件Params-Validate-0.91.tar.gz ，Class-Accessor-0.34.tar.gz，Config-Tiny-2.23.tgz，perl-Math-Calc-Units-1.07-6.el6.noarch.rpm,Regexp-Common-2016010801.tar.gz
(1)tar -zxvf Params-Validate-0.91.tar.gz
cd Params-Validate-0.91
perl Makefile.PL
make
make install
cd ..
(2)tar zxvf Class-Accessor-0.34.tar.gz
cd Class-Accessor-0.34
perl Makefile.PL
make
make install
(3)[root@slave nagios]# rpm -ivh perl-Math-Calc-Units-1.07-6.el6.noarch.rpm
(4)tar -zvxf Config-Tiny-2.23.tgz
cd Config-Tiny-2.23
perl Makefile.PL
make
make install
(5) tar -zxvf Regexp-Common-2016010801.tar.gz
cd Regexp-Common-2016010801
perl Makefile.PL
make
make install
(6)yum -y install sysstat
7.配置开发的几个基础插件
[root@slave etc]# vim nrpe.cfg +79
allowed_hosts=192.168.11.34
8.启动nagios client
[root@slave etc]# /usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d
[root@slave etc]# echo ‘/usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d‘ >>/etc/rc.local
[root@slave etc]# ps -ef | grep nagios
重新启动[root@slave etc]# pkill nrpe && /usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d
[root@slave etc]# netstat -tlnp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 22616/sshd
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 1258/master
tcp 0 0 0.0.0.0:5666 0.0.0.0:* 这是nrpe跑的端口
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安装完成。。。。。。。。。。。。。。。。。。。。
本文出自 “山猫” 博客，谢绝转载！
原文：http://cqtangbo.blog.51cto.com/2978612/1752535
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