系统版本:
centos release 5.7 x86_64
软件版本:
nagios-3.3.1.tar.gz，nagios-plugins-1.4.15.tar.gz，pnp4nagios-0.6.6.tar.gz，nrpe-2.13.tar.gz，check_openmanage-3.7.3.tar.gz，OM_6.2.0_ManNode_A00.tar.gz
软件说明:
pnp4nagios-0.6.6.tar.gz：基于rrdtool为nagios数据呈现连续的图表信息。
OM_6.2.0_ManNode_A00.tar.gz ：检测dell服务器硬件状态，包括风扇转速，温度，电源电压等等所有硬件状态信息。可通过web方式查看。
check_openmanage-3.7.3.tar.gz：探测OMSA硬件状态信息，返回给nagios，在nagios上成像。
步骤1，安装nagios前的准备
下载nagios机器插件
wget http://cdnetworks-kr-2.dl.sourceforge.net/project/nagios/nagios-3.x/nagios-3.3.1/nagios-3.3.1.tar.gz
wget http://cdnetworks-kr-2.dl.sourceforge.net/project/nagiosplug/nagiosplug/1.4.15/nagios-plugins-1.4.15.tar.gz
配置sohu的yum安装源：
cd /etc/yum.repos.d/
mv CentOS-Base.repo CentOS-Base.repo.bak
wget http://mirrors.sohu.com/help/CentOS-Base-sohu.repo
mv CentOS-Base-sohu.repo CentOS-Base.repo
vim /etc/yum/pluginconf.d/fastestmirror.conf
关闭fastestmirror，enable选项设置为0
yum clean
yum makecache
yum update
yum安装LAMP环境：
yum -y install httpd php php-
mysql mysql mysql-server php-snmp php-pdo perl-DBDMySQL
启动httpd
/etc/init.d/httpd start
设置开机启动apache
chkconfig --level 2345 httpd on
chkconfig --list httpd
步骤2，安装nagios及其插件
添加nagios用户和用户组：
useradd nagios && passwd nagios
groupadd nagcmd
usermod -G nagcmd nagios
安装nagios及其插件：
tar xzvf nagios-3.3.1.tar.gz
cd nagios
./configure --with-nagios-user=nagios --with-nagiosgroup=nagcmd && make all && make install && make install-init && make install-config && make install-commandmode && make install-webconf
htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin//创建web界面管理员账户，需要创建密码。
vim /etc/init.d/nagios //修改启动文件中的commandfile，启动时给full权限
if [ -d $NagiosLockDir ]; then touch $NagiosLockDir/$NagiosLockFile; fi
echo " done."
chmod 777 $NagiosCommandFile//添加此行代码
exit 0
/etc/init.d/nagios start
/etc/init.d/httpd restart
安装nagios插件
tar -xzvf nagios-plugins-1.4.15.tar.gz
cd nagios-plugins-1.4.15
./configure --prefix=/usr/local/nagios/ && make && make install
grep ^User /etc/httpd/conf/httpd.conf//查看apache用户
User apache
usermod -G nagcmd apache//将apache用户添加到nagcmd用户组中
chown -R nagios:nagios /usr/local/nagios/
chmod 755 -R /usr/local/nagios/
步骤3，pnp4nagios 安装
下载pnp4nagios
wget http://cdnetworks-kr-1.dl.sourceforge.net/project/pnp4nagios/PNP-0.6/pnp4nagios-0.6.6.tar.gz
安装pnp4nagios
tar xzvf pnp4nagios-0.6.6.tar.gz
yum -y install apr-devel apr-util check-devel cairo-devel pango-devel libxml2-devel rpmbuild glib2-devel dbus-devel freetype-devel fontconfig-devel gcc-c++ expat-devel
python-devel libXrender-devel zlib libpng freetype libjpeg fontconfig gd libxml2 pcre pcre-devel libpcre libconfuse libart_lgpl-devel
yum -y install ruby
yum -y install libdbi
yum安装rrdtool，可能之前的yum源没有此文件包，所以需要配置一个新的yum源。
cd /etc/yum.repos.d/
vim dag.repo
添加内容：
[dag]
name=Dag RPM Repository for Red Hat Enterprise
linux
baseurl=http://apt.sw.be/
redhat/el$releasever/en/$basearch/dag
gpgcheck=1
gpgkey=http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt
enabled=1
保存退出
mv CentOS-Base.repo CentOS-Base.repo.old
yum install -y rrdtool perl-rrdtool rrdtool-devel
cd /root/softwares/pnp4nagios-0.6.6
./configure --with-nagios-user=nagios --with-nagios-group=nagcmd
make all
make install && make install-webconf && make install-config && make install-init
添加pnp4nagios的配置文件
cd /usr/local/pnp4nagios/etc/
mv misccommands.cfg-sample misccommands.cfg
mv nagios.cfg-sample nagios.cfg
mv npcd.cfg-sample npcd.cfg
mv process_perfdata.cfg-sample process_perfdata.cfg
mv rra.cfg-sample rra.cfg
cd pages/
mv web_traffic.cfg-sample web_traffic.cfg
cd ../check_commands
mv check_all_local_disks.cfg-sample check_all_local_disks.cfg
mv check_nrpe.cfg-sample check_nrpe.cfg
mv check_nwstat.cfg-sample check_nwstat.cfg
/etc/init.d/npcd restart //启动pnp4nagios
修改nagios配置文件
cd /usr/local/nagios/etc
vim nagios.cfg
#打开注释项：
process_performance_data=1
host_perfdata_command=process-host-perfdata
service_perfdata_command=process-service-perfdata
cd objects/
vim commands.cfg
修改perfdata 标红的command_line
# 'process-host-perfdata' command definition definecommand{
command_nameprocess-host-perfdata
command_line/usr/local/pnp4nagios/libexec/process_perfdata.pl
}
# 'process-service-perfdata' command definition define command{
command_nameprocess-service-perfdata
command_line/usr/local/pnp4nagios/libexec/process_perfdata.pl
}
修改templates.cfg文件。
