2015-11-27
目录
1.关闭防火墙
2.配置yum仓库
3.安装基础包
4.安装apache和php
5.安装nagios（主程序）
6.安装nagiosQL（nagios的web管理工具）
7.安装nagios-plugin（nagios插件）
8.安装NRPE（nagios插件）
1.关闭防火墙
service iptables stop service iptables status setenforce 0 getenforce
2.配置yum仓库
#!/bin/bash ### AUTHOR: Leo ### DATE: 2015/10/25 ### NAME:yum.sh ### DESC:配置yum仓库 wget http://mirrors.opencas.cn/epel/epel-release-latest-6.noarch.rpm wget http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm rpm -ivh epel-release-latest-6.noarch.rpm rpm -ivh rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm yum clean all && yum makecache cd /etc/yum.repos.d && ls -hl
3.安装基础包
yum install -y cpp gcc-c++ gcc glibc glibc-common gd gd-devel xinetd openssl- devel fontconfig-devel libjpeg-devel libpng-devel gd-devel perl-GD mailx postfix libstdc++ glib2-devel
4.安装apache和php
yum -y install httpd php php-mysql php-gd php-devel php-ldap php-xml php-mbstring #修改apache的主配置文件/etc/httpd/conf/httpd.conf User nagios Group nagios ServerName localhost:80 DocumentRoot "/var/www/html" DirectoryIndex index.php index.html AddHandler php5-script .php AddType text/html .php AddType application/x-httpd-php .php #重启apache服务 service httpd restart #测试访问 vim /var/www/html/index.html this is a test ! curl 10.10.2.89 http://10.10.2.89/
vim /var/www/html/index.php <?php phpinfo(); ?> curl 10.10.2.89 http://10.10.2.89/
5.安装nagios（主程序）
#创建用户nagios、apache useradd -M -s /sbin/nologin nagios useradd apache #创建用户组nagcmd，用于从Web 接口执行外部命令 groupadd nagcmd #添加nagios 和apache 用户到该组 usermod -G nagcmd apache usermod -a -G nagcmd nagios #创建目录 mkdir /usr/local/nagios #修改属主 chown -R nagios.nagios /usr/local/nagios #下载nagios源码包 wget http://nchc.dl.sourceforge.net/project/nagios/nagios-4.x/nagios-4.1.1/nagios-4.1.1.tar.gz #解压nagios源码包 tar -zxf nagios-4.1.1.tar.gz -C /usr/local/src/ && cd /usr/local/src/nagios-4.1.1 #配置环境 ./configure --with-group=nagios --with-user=nagios --with-command-group=nagcmd --with-gd-lib=/usr/lib --with-gd-inc=/usr/include *** Configuration summary for nagios 4.1.1 08-19-2015 ***: General Options: ------------------------- Nagios executable: nagios Nagios user/group: nagios,nagios Command user/group: nagios,nagcmd Event Broker: yes Install ${prefix}: /usr/local/nagios Install ${includedir}: /usr/local/nagios/include/nagios Lock file: ${prefix}/var/nagios.lock Check result directory: ${prefix}/var/spool/checkresults Init directory: /etc/rc.d/init.d Apache conf.d directory: /etc/httpd/conf.d Mail program: /bin/mail Host OS: linux-gnu IOBroker Method: epoll Web Interface Options: ------------------------ HTML URL: http://localhost/nagios/ CGI URL: http://localhost/nagios/cgi-bin/ Traceroute (used by WAP): /bin/traceroute #编译安装 make all && make install #生成init 启动脚本 make install-init #设置相应的目录权限 make install-commandmode #生成模板配置文件 make install-config #生成apache 配置文件 make install-webconf /etc/httpd/conf.d/nagios.conf #设置启动级别，并启动服务 chkconfig --add nagios &&chkconfig --level 35 nagios on && service nagios start #验证Nagios配置文件的正确性 /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg Total Warnings: 0 Total Errors: 0 #添加apache访问用户nagiosadmin，密码nagiosadmin htpasswd -bc /usr/local/nagios/etc/htpasswd.users nagiosadmin nagiosadmin #重启apache和nagios服务 service nagios restart service httpd restart #使用物理机浏览器测试访问nagios： http://10.10.2.89/nagios 用户nagiosadmin，密码nagiosadmin
6.安装nagiosQL（nagios的web管理工具）
#安装mysql yum -y install mysql mysql-server mysql-devel #下载nagiosql源码包 wget http://nchc.dl.sourceforge.net/project/nagiosql/nagiosql/NagiosQL%203.2.0/nagiosql_320.tar.gz #解压nagiosql源码包到/usr/local/nagios目录下 tar -zxf nagiosql_320.tar.gz && cp -a nagiosql32 /usr/local/nagios/nagiosql #建立nagiosQL导出nagios配置文件的目录，并修改权限，否则在浏览器进行网页上安装会报错 chown -R nagios:nagios /usr/local/nagios/nagiosql chmod 777 /usr/local/nagios/nagiosql/config/ mkdir -p /usr/local/nagios/nagiosql/etc/{hosts,services,backup,import} mkdir -p /usr/local/nagios/nagiosql/etc/backup/{hosts,services} chown -R nagios:nagios /usr/local/nagios/nagiosql/ #修改/etc/httpd/conf.d/nagios.conf,添加如下内容： Alias /nagiosQL "/usr/local/nagios/nagiosql" <Directory "/usr/local/nagios/nagiosql"> Options None AllowOverride None Order allow,deny Allow from all </Directory> #修改php.ini的timezone date.timezone = Asia/ShangHai #修改php会话权限 chmod 777 /var/lib/php/session/ #赋予mysql的root用户远程访问和grant权限 mysql -uroot -ppro#pateo mysql> grant all on *.* to root@'%' identified by 'pro#pateo' with grant option; mysql> flush privileges; #重启apache服务 service httpd restart #物理机浏览器测试访问nagiosql并安装 http://10.10.2.89/nagiosQL 用户admin，密码amdin
7.安装nagios-plugin（nagios插件）
#安装基础包 yum -y install perl perl-devel nagios-plugins nagios-plugins-ntp-perl perl-CPAN perl-Nagios-Plugin perl-Regexp-Common cpan[1]> install Nagios:Plugin cpan[1]> install Regexp:Common #下载nagios-plugins源码包 wget http://nagios-plugins.org/download/nagios-plugins-2.1.1.tar.gz #解压nagios-plugins源码包 tar -zxf nagios-plugins-2.1.1.tar.gz -C /usr/local/src/ && cd /usr/local/src/nagios-plugins-2.1.1 #配置环境 ./configure --help ./configure --prefix=/usr/local/nagios/ --enable-perl-modules #编译安装 make && make install #替换插件包libexec cd /usr/local/nagios/ && mv libexec/ libexec.bak && tar -zxf /root/libexec.tar.gz -C ./ chown -R nagios:nagios /usr/local/nagios/libexec #检测iostat命令 /usr/local/nagios//libexec/check_iostat -w 15 IOSTAT OK - user 0.79 nice 0.00 sys 0.21 iowait 0.26 idle 0.00 | iowait=0.26%;; idle=0.00%;; user=0.79%;; nice=0.00%;; sys=0.21%;; #检测cpu命令 /usr/local/nagios//libexec/check_cpu.sh -w 85 -c 95 CPU OK : user=0% system=0% iowait=0% idle=100% | cpu_user=0%;85;95; cpu_sys=0%;85;95; cpu_iowait=0%;85;95; cpu_idle=100%; #检测memory命令 /usr/local/nagios//libexec/check_memory.sh -w 85 -c 90 MEMORY - OK used=50% idle=50% | 'MEMORY Usage'=50%;85;90; #检测disk命令 /usr/local/nagios//libexec/check_disk -w 20 -c 15 DISK OK - free space: / 76692 MB (83% inode=97%); /dev/shm 1441 MB (100% inode=99%); /boot 110 MB (61% inode=99%);| /=14837MB;96414;96419;0;96434 /dev/shm=0MB;1421;1426;0;1441 /boot=69MB;169;174;0;189
8.安装NRPE（nagios插件）
#安装基础包 yum install -y gcc glibc glibc-common gd gd-devel xinetd openssl-devel #下载NRPE源码包 wget http://nchc.dl.sourceforge.net/project/nagios/nrpe-2.x/nrpe-2.15/nrpe-2.15.tar.gz #解压NRPE源码包 tar -zxf nrpe-2.15.tar.gz -C /usr/local/src/ && cd /usr/local/src/nrpe-2.15 #配置环境 ./configure --help ./configure --prefix=/usr/local/nagios --enable-command-args #编译 make all #安装 make install-plugin make install-daemon make install-daemon-config make install-xinetd #配置NRPE监控IP vim /etc/xinetd.d/nrpe only_from = 127.0.0.1 10.10.2.89 #添加NRPE服务端口5666 echo 'nrpe 5666/tcp #NRPE'>>/etc/services #重启xinetd服务 chkconfig xinetd on && service xinetd restart #验证端口5666 netstat -an|grep 5666 tcp 0 0 0.0.0.0:5666 0.0.0.0:* LISTEN #修改命令定义文件commands.cfg，添加check_nrpe命令 vim /usr/local/nagios/etc/objects/commands.cfg define command{ command_name check_nrpe command_line /usr/local/nagios/libexec/check_nrpe -H $HOSTADDRESS$ -c $ARG1$ } #复制nrpe.cfg文件到/usr/local/nagios/etc目录 cd /usr/local/nagios/etc/ && mv nrpe.cfg nrpe.cfg.bak cp /root/nrpe.cfg /usr/local/nagios/etc/ chown nagios:nagios nrpe.cfg #重启nagios服务 service nagios restart #检测NRPE命令 /usr/local/nagios/libexec/check_nrpe -H localhost
或
/usr/local/nagios/libexec/check_nrpe -H 127.0.0.1
NRPE v2.15