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<title><![CDATA[BIWEB开源PHP WMS系统创始人ArthurXF肖飞的blog]]></title> 
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<description><![CDATA[网务通 - 网务公司发展之路]]></description> 
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<copyright><![CDATA[BIWEB开源PHP WMS系统创始人ArthurXF肖飞的blog]]></copyright>
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<title><![CDATA[Nagios:开源的中大型网络服务器监控软件]]></title> 
<author>ArthurXF &lt;arthurxf@gmail.com&gt;</author>
<category><![CDATA[FreeBSD]]></category>
<pubDate>Fri, 24 Aug 2007 16:47:59 +0000</pubDate> 
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<![CDATA[ 
	nagios可以对服务器进行全面的监控，包括服务 （apache、mysql、ntp、dns、disk、qmail和sshd等等）的状态，服务器的 状态（up、down等等）。它是一个完全GPL协议的开源软件包，包含有nagios主程序和它的各个插件，配置非常灵活，可以监视的项目很多，可以自 定义shell脚本进行监控服务，非常适合大型网络。<br/><br/>nagios的包含主动监控和被动监控。<br/>主动检查是通过监控中心的主机发出请求，让运行在远程主机上的nrpe守护进程收集信息，然后报告它，它通过web接口把数据显示在页面上。<br/>它的工作原理如下：<br/><br/>被 动监控是当远程被监控主机处于防火墙之内的时候，只有远程主机可以访问到监控中心，防火墙之内可以设置另外一个监控中心，远程监控中心的nagios收 集服务器信息以后，和nsca报告，由naca客户端报告naca的服务器端，然后报告监控中心的nagios，通过web接口显示监控结果。<br/><br/><br/>nagios的功能非常强大，http://www.nagios.org/是它的窝，只有e文、法文和日文，没有中文，可惜啊。<br/><br/>我现在引用它的一段文字进行总结一下到底什么是nagios：<br/>What Is This?<br/>什么是nagios？ <br/>Nagios® is a system and network monitoring application. It watches hosts and services that you specify, alerting you when things go bad and when they get better. <br/>Nagios was originally designed to run under Linux, although it should work under most other unices as well. <br/>Some of the many features of Nagios® include: <br/>Monitoring of network services (SMTP, POP3, HTTP, NNTP, PING, etc.) <br/>Monitoring of host resources (processor load, disk usage, etc.) <br/>Simple plugin design that allows users to easily develop their own service checks <br/>Parallelized service checks <br/>Ability to define network host hierarchy using &quot;parent&quot; hosts, allowing detection of and distinction between hosts that are down and those that are unreachable <br/>Contact notifications when service or host problems occur and get resolved (via email, pager, or user-defined method) <br/>Ability to define event handlers to be run during service or host events for proactive problem resolution <br/>Automatic log file rotation <br/>Support for implementing redundant monitoring hosts <br/>Optional web interface for viewing current network status, notification and problem history, log file, etc.<br/>Nagios是一个监视系统和网络的应用程序。它监视你所指定主机和服务，当监视的内容变好或者变坏时发出警告。Nagios最初是被设计在Linux平台上运行的，然而现在在其他平台上也运行良好。<br/>Nagios的特性包括：<br/>监视网络服务（SMTP, POP3, HTTP, NNTP, PING, 等等）<br/>监视主机资源（处理器负载、磁盘空间等）<br/>容许用户开发自己的插件去检查自定义的项目；<br/>通过使用“父主机”，定义网络主机的分层，容许探测主机down掉或者不可到达。<br/>可以定义在主机或服务运行期间，事件发生以后如何处理和解决方式；<br/>自动记录错误日志；<br/>支持冗余监视；<br/>可选web接口，通过web页面查看当前网络状态，提示和报告故障历史，日志文件等；<br/><br/>Nagios的系统要求：<br/>Linux、Unix等<br/>apache<br/>GD库（1.63以上）<br/>zlib<br/>pnglib<br/>jpeglib<br/>basic icons<br/>等，其中apache的安装在blog中已经有相关的文章，搜索一下就行；gd、zlib、pnglib和jpeglib安装比较简单，步骤：<br/>下载tarball<br/>tar zxvf xxx.tar.gz<br/>cd xxx<br/>./configure<br/>make &amp;&amp; make install<br/><br/>----------------------------------------------------------------------<br/>Nagios的安装过程(FreeBSD)<br/>----------------------------------------------------------------------<br/>nagios的安装比较简单，复杂的是设置和配置参数的设定。不过你要放松一点，毕竟我们要搞定它，不是吗？那就开始吧：<br/><br/>1：获得最新的安装包，http://www.nagios.org/download<br/>2：以root身份登录服务器，目前最新的版本是2.5：<br/>1）nagios，版本2.5：<br/>fetch http://superb-west.dl.sourceforge.net/sourceforge/nagios/nagios-2.5.tar.gz <br/>or<br/>wget http://superb-west.dl.sourceforge.net/sourceforge/nagios/nagios-2.5.tar.gz<br/><br/>2）获得nagios插件，版本1.4.3：<br/>http://surfnet.dl.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.3.tar.gz<br/><br/>3）获得图库文件：<br/>http://dl.sf.net/nagios/imagepak-base.tar.gz<br/><br/>4）NRPE，版本2.5.2<br/>http://ufpr.dl.sourceforge.net/sourceforge/nagios/nrpe-2.5.2.tar.gz<br/><br/>5）NSCA，版本2.6<br/>http://kent.dl.sourceforge.net/sourceforge/nagios/nsca-2.6.tar.gz<br/><br/>3：切换到root用户：<br/>sudo su<br/><br/>4：解压缩<br/>tar zxvf nagios-2.5.tar.gz<br/><br/>5：建立运行nagios的用户：<br/>adduser nagios<br/><br/>6：建立安装nagios的文件夹，并使这个文件夹的所有者为nagios:nagios<br/>mkdir /usr/local/nagios <br/>chown nagios.nagios /usr/local/nagios<br/><br/>7：确认web服务器的用户<br/>可能会通过web接口执行一些命令，必须确定web服务器以哪个用户运行的，通常为：apache：<br/>grep &quot;^User&quot; /usr/local/apache2/conf/httpd.conf<br/><br/>8：建立命令文件组<br/>这个新的组会包括apache的用户和nagios的用户<br/>pw groupadd nagcmd <br/>pw usermod apache -G nagcmd <br/>pw usermod nagios -G nagcmd <br/>----------------------------------<br/>cat /etc/group<br/>nagcmd:*:9007:apache,nagios<br/>----------------------------------<br/><br/>8：运行配置脚本并安装nagios<br/>cd nagios-2.5<br/>./configure --prefix=/usr/local/nagios --with-gd-lib=/usr/local/lib --with-gd-inc=/usr/local/include<br/>---------------------------------<br/>*** Configuration summary for nagios 2.5 07-13-2006 ***:<br/><br/>General Options:<br/>-------------------------<br/> &nbsp; &nbsp;Nagios executable: nagios<br/> &nbsp; &nbsp;Nagios user/group: nagios,nagios<br/> &nbsp; &nbsp;Command user/group: nagios,nagios<br/> &nbsp; &nbsp; &nbsp; &nbsp;Embedded Perl: no<br/> &nbsp; &nbsp; &nbsp; &nbsp;Event Broker: yes<br/> &nbsp; &nbsp;Install ${prefix}: /usr/local/nagios<br/> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Lock file: ${prefix}/var/nagios.lock<br/> &nbsp; &nbsp; &nbsp;Init directory: /usr/local/etc/rc.d<br/> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Host OS: freebsd6.0<br/><br/>Web Interface Options:<br/>------------------------<br/> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;HTML URL: http://localhost/nagios/<br/> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;CGI URL: http://localhost/nagios/cgi-bin/<br/>Traceroute (used by WAP): /usr/sbin/traceroute<br/><br/><br/>Review the options above for accuracy. If they look okay,<br/>type &#039;make all&#039; to compile the main program and CGIs.<br/>---------------------------------<br/>make all <br/>make install <br/>make install-init <br/>make install-commandmode <br/>make install-config<br/><br/>9：安装nagios-plugins<br/>tar zxvf nagios-plugins-1.4.3.tar.gz<br/>cd nagios-plugins-1.4.3<br/>./configure --prefix=/usr/local/nagios-plugins <br/>make all <br/>make install <br/>安装完成以后在/usr/local/nagios-plugins-plugins会产生一个libexec的目录，将该目录全部移动到/usr/local/nagios目录下即可。<br/>mv /usr/local/nagios-plugins-plugins/libexec/ /usr/local/nagios/<br/><br/>10：imagepak-base.tar.gz的安装<br/>tar –xvzf imagepak-base.tar.gz <br/>解压以后是base目录 <br/>mv base/ /usr/local/nagios/share/images/logos/<br/><br/>----------------------------------------------------------------------<br/>现在开始配置：<br/>----------------------------------------------------------------------<br/>1：配置web接口<br/>假设你已经运行了apache，如果没有，请参考：<br/>http://localhost/upload/blog.php?do-showone-tid-18.html<br/><br/>vi /usr/local/apache2/conf/httpd.conf<br/>添加如下内容：<br/><div class="quote"><div class="quote-title">引用</div><div class="quote-content">ScriptAlias /nagios/cgi-bin /usr/local/nagios/sbin<br/><br/>&lt;Directory &quot;/usr/local/nagios/sbin&quot;&gt;<br/> &nbsp;Options ExecCGI<br/> &nbsp;AllowOverride None<br/> &nbsp;Order allow,deny<br/> &nbsp;Allow from all<br/> &nbsp;AuthName &quot;Nagios Access&quot;<br/> &nbsp;AuthType Basic<br/> &nbsp;AuthUserFile /usr/local/nagios/etc/htpasswd.users<br/> &nbsp;Require valid-user<br/>&lt;/Directory&gt;<br/><br/>Alias /nagios /usr/local/nagios/share<br/><br/>&lt;Directory &quot;/usr/local/nagios/share&quot;&gt;<br/> &nbsp;Options None<br/> &nbsp;AllowOverride None<br/> &nbsp;Order allow,deny<br/> &nbsp;Allow from all<br/> &nbsp;AuthName &quot;Nagios Access&quot;<br/> &nbsp;AuthType Basic<br/> &nbsp;AuthUserFile /usr/local/nagios/etc/htpasswd.users<br/> &nbsp;Require valid-user<br/>&lt;/Directory&gt;</div></div>修改完毕，保存文件，并重启apache：<br/>/usr/local/apahce2/bin/apachectl restart<br/><br/>2：配置apache的BASIC认证：<br/>生成认证密码：<br/>/usr/local/apache2/bin/htpasswd –c /usr/local/nagios/etc/htpasswd.users nagios nagios <br/>apache接口配置完成。<br/><br/>开始配置nagios：<br/>cd /usr/local/nagios/etc/<br/>在/usr/local/nagios/etc下是nagios的配置模板文件-sample,把.cfg-sample文件全部拷贝成.cfg <br/>例如:cp nagios.cfg-sample nagios.cfg <br/>全部拷贝完成即可.<br/><br/>vi minimal.cfg<br/>注释所有command：<br/>注释的方法是在每一个定义语句前面添加”#“<br/>修改cgi.cfg<br/>修改use_authentication=1为use_authentication=0,即不用验证.不然有一些页面不会显示。<br/><br/>现在检查配置文件是否有语法错误：<br/>/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg<br/>如果正确，会显示以下结果：<br/>Total Warnings: 0<br/>Total Errors: &nbsp; 0<br/>否则，需要根据提示进行修改配置文件。<br/><br/>配置文件等会再弄。现在启动nagios<br/>/usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg<br/><br/>为了使nagios异常中断，我们使用daemontools启动：<br/>安装daemontool：<br/>mkdir -p /package<br/>chmod 1755 /package<br/>cd /package<br/>fetch http://cr.yp.to/daemontools/daemontools-0.76.tar.gz<br/>cd admin/daemontools-0.76/<br/>package/install<br/>检查svscan进程是否启动：<br/>ps aux &amp;#124; grep svscan<br/>root &nbsp; &nbsp; &nbsp; 376 0.0 0.0 1636 &nbsp; 0 con- IW &nbsp; - &nbsp; &nbsp; &nbsp; 0:00.00 /bin/sh /command/svscanboot<br/>root &nbsp; &nbsp; &nbsp; 411 0.0 0.0 1224 &nbsp; 208 con- S &nbsp; 8Jul06 &nbsp; 0:42.50 svscan /service<br/><br/>ok，启动正常了。<br/>cd /service<br/>mkdir nagios<br/>chmod 1755 nagios<br/>touch ./run<br/>chmod 755 ./run<br/>vi run<br/>PATH=/usr/local/bin:/usr/bin:/bin<br/>export PATH<br/><br/>exec env - PATH=$PATH &#92;<br/>/usr/local/nagios/bin/nagios /usr/local/nagios/etc/nagios.cfg<br/><br/>mkdir log<br/>cd log<br/>touch ./run<br/>chmod 755 ./run<br/>vi ./run<br/>#!/bin/sh<br/>exec setuidgid logadmin multilog t s1000000 n100 ./main<br/><br/>mkdir main<br/>chmod 777 main<br/>chown nagios.nagios main<br/>touch status<br/>chown nagios.nagios status<br/><br/>svc -u /service/nagios/<br/>svstat /service/nagios/<br/>root@## ps auxww &amp;#124; grep nagios<br/>root &nbsp; &nbsp; 23276 0.0 0.1 1176 &nbsp; 488 ?? I &nbsp; 5:00PM &nbsp; 0:01.71 supervise nagios<br/>nagios &nbsp; 34251 0.0 0.3 2316 1552 ?? S &nbsp; 6:06PM &nbsp; 0:00.10 /usr/local/nagios/bin/nagios /usr/local/nagios/etc/nagios.cfg<br/>root@## <br/><br/>ok，现在把nagios服务做成自动启动的服务了。<br/>通过svc命令可以启动或者停止服务。<br/>---------------------------------------------------------------------------------<br/>svc opts services<br/>opts is a series of getopt-style options. services consists of any number of arguments, each argument naming a directory used by supervise. <br/><br/>-u: Up. If the service is not running, start it. If the service stops, restart it. <br/>-d: Down. If the service is running, send it a TERM signal and then a CONT signal. After it stops, do not restart it. <br/>-o: Once. If the service is not running, start it. Do not restart it if it stops. <br/>-p: Pause. Send the service a STOP signal. <br/>-c: Continue. Send the service a CONT signal. <br/>-h: Hangup. Send the service a HUP signal. <br/>-a: Alarm. Send the service an ALRM signal. <br/>-i: Interrupt. Send the service an INT signal. <br/>-t: Terminate. Send the service a TERM signal. <br/>-k: Kill. Send the service a KILL signal. <br/>-x: Exit. supervise will exit as soon as the service is down. If you use this option on a stable system, you&#039;re doing something wrong; supervise is designed to run forever.<br/>---------------------------------------------------------------------------------<br/>比如：<br/>停止nagios－－svc -d /service/nagios/<br/>重启nagios－－svc -t /service/nagios/<br/>启动nagios－－svc -u /service/nagios/<br/><br/>当然，你也可以使用inited的方式进行：<br/>/usr/local/etc/rc.d/nagios start/stop<br/><br/>好了，反正daemontools很强大，以后慢慢熟悉，转入正题。<br/>现在打开网页：http://localhost/nagios/<br/>一定会让你大吃一惊，呵呵，我的服务器和服务状态都清楚的看到了。<br/>现在我们的nagios中只有一个，那就是它自己，localhost，呵呵，等会我们添加别的主机和主机服务，ok，我们认识一下nagios的庐山真面目：<br/><br/>配置nagios：<br/><br/>1）为主机添加服务<br/>2）添加主机并添加服务<br/>3）停止一个服务<br/>4）删除一台主机和服务<br/>5）查看所有主机的故障<br/>6）查看一台特定的主机状态<br/>7）改变报警的时间间隔<br/>8）改变发现故障的重试次数<br/>9）如何在nagios中使用外部命令<br/><br/><br/>1）为主机添加一个服务<br/>为localhost主机添加qmail服务的监控，方法如下：<br/>vi minimal.cfg<br/>define service{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-service &nbsp; &nbsp; &nbsp; ; Name of service template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; localhost<br/> &nbsp; &nbsp;service_description &nbsp; &nbsp; &nbsp; &nbsp; qmail_smtp<br/> &nbsp; &nbsp;is_volatile &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;normal_check_interval &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;retry_check_interval &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;contact_groups &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; admins<br/> &nbsp; &nbsp;notification_options &nbsp; &nbsp; &nbsp; &nbsp; w,u,c,r &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <br/> &nbsp; &nbsp;notification_interval &nbsp; &nbsp; &nbsp; 960<br/> &nbsp; &nbsp;notification_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; check_smtp!20%!10%!/<br/> &nbsp; &nbsp;}<br/><br/>可以直接拷贝原有的进行修改，我这个就是拷贝的原有的check_local_disk进行的。<br/>修改host_name，service_description，check_command等<br/><br/>define service{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-service &nbsp; &nbsp; &nbsp; ; Name of service template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; localhost<br/> &nbsp; &nbsp;service_description &nbsp; &nbsp; &nbsp; &nbsp; qmail_pop3<br/> &nbsp; &nbsp;is_volatile &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;normal_check_interval &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;retry_check_interval &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;contact_groups &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; admins<br/> &nbsp; &nbsp;notification_options &nbsp; &nbsp; &nbsp; &nbsp; w,u,c,r &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <br/> &nbsp; &nbsp;notification_interval &nbsp; &nbsp; &nbsp; 960<br/> &nbsp; &nbsp;notification_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; check_pop!20%!10%!/<br/> &nbsp; &nbsp;}<br/>照猫画虎的进行修改，然后去修改：<br/>vi checkcommands.cfg<br/>#&#039;check_qmail&#039; command definition<br/>define command{<br/> &nbsp; &nbsp;command_name &nbsp; check_qmail<br/> &nbsp; &nbsp;command_line &nbsp; $USER1$/check_smtp -H 127.0.0.1<br/> &nbsp; &nbsp;}<br/>define command{<br/> &nbsp; &nbsp;command_name &nbsp; check_pop3 <br/> &nbsp; &nbsp;command_line &nbsp; $USER1$/check_pop -H 127.0.0.1 &nbsp; &nbsp; <br/> &nbsp; &nbsp;}<br/>保存，然后检查配置文件：<br/>/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg<br/>如果没有错误会显示：<br/>Total Warnings: 0<br/>Total Errors: &nbsp; 0<br/>如果有错误，请根据提示进行错误的修正。<br/>重启nagios<br/>svc -d /service/nagios/ &amp;&amp; svc -u /service/nagios/<br/>通过web页面检查nagios的结果：<br/>http://10.5.1.153/nagios/<br/>点击“Service Detail”<br/>会出现：<br/><br/>2）添加主机并添加服务<br/>我 们会监控这台主机的负载、磁盘等一些没有通过端口方式启动的服务器状态，以及它的服务，比如：apache、mysql、qmail和ntp等等吧。那 么没有端口的nagios直接能监控到吗？答案是不行。所以我们必须在两台主机上安装nrpe，nrpe可以启动5666端口，把检测的信息源源不断的传 给监控中心的主机。<br/>ok，我们把apache、mysql、qmail和ntp先加上，这回我们把监控的主机和服务新建一个文件：<br/>cd /usr/local/nagios/etc/<br/>touch 10_5_1_156.cfg<br/>vi nagios.cfg<br/>cfg_file=/usr/local/nagios/etc/10_5_1_156.cfg<br/><br/>vi 10_5_1_156.cfg<br/>定义一个主机：<br/>define host{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-host &nbsp; &nbsp; &nbsp; &nbsp; ; Name of host template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; test_nrpe<br/> &nbsp; &nbsp;alias &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; client &nbsp; <br/> &nbsp; &nbsp;address &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 10.5.1.156<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; check-host-alive<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; 1 <br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;notification_interval &nbsp; 120<br/> &nbsp; &nbsp;notification_period &nbsp; 24x7<br/> &nbsp; &nbsp;notification_options &nbsp; d,r<br/> &nbsp; &nbsp;contact_groups admins<br/> &nbsp; &nbsp;}<br/><br/>定义主机需要检查的服务：<br/>define service{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-service &nbsp; &nbsp; &nbsp; ; Name of service template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; test_nrpe<br/> &nbsp; &nbsp;service_description &nbsp; &nbsp; &nbsp; &nbsp; PING<br/> &nbsp; &nbsp;is_volatile &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;normal_check_interval &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;retry_check_interval &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;contact_groups &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; admins<br/> &nbsp; &nbsp;notification_options &nbsp; &nbsp; &nbsp; &nbsp; w,u,c,r<br/> &nbsp; &nbsp;notification_interval &nbsp; &nbsp; &nbsp; 960<br/> &nbsp; &nbsp;notification_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; check_ping!100.0,20%!500.0,60%<br/> &nbsp; &nbsp;}<br/><br/>define service{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-service &nbsp; &nbsp; &nbsp; ; Name of service template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; test_nrpe<br/> &nbsp; &nbsp;service_description &nbsp; &nbsp; &nbsp; &nbsp; apache<br/> &nbsp; &nbsp;is_volatile &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;normal_check_interval &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;retry_check_interval &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;contact_groups &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; admins<br/> &nbsp; &nbsp;notification_options &nbsp; &nbsp; &nbsp; &nbsp; w,u,c,r<br/> &nbsp; &nbsp;notification_interval &nbsp; &nbsp; &nbsp; 960<br/> &nbsp; &nbsp;notification_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; check_http!100.0,20%!500.0,60%<br/> &nbsp; &nbsp;}<br/><br/>define service{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-service &nbsp; &nbsp; &nbsp; ; Name of service template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; test_nrpe<br/> &nbsp; &nbsp;service_description &nbsp; &nbsp; &nbsp; &nbsp; mysql<br/> &nbsp; &nbsp;is_volatile &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;normal_check_interval &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;retry_check_interval &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;contact_groups &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; admins<br/> &nbsp; &nbsp;notification_options &nbsp; &nbsp; &nbsp; &nbsp; w,u,c,r<br/> &nbsp; &nbsp;notification_interval &nbsp; &nbsp; &nbsp; 960<br/> &nbsp; &nbsp;notification_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; check_mysql!100.0,20%!500.0,60%<br/> &nbsp; &nbsp;}<br/><br/>define service{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-service &nbsp; &nbsp; &nbsp; ; Name of service template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; test_nrpe<br/> &nbsp; &nbsp;service_description &nbsp; &nbsp; &nbsp; &nbsp; ntp <br/> &nbsp; &nbsp;is_volatile &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;normal_check_interval &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;retry_check_interval &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;contact_groups &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; admins<br/> &nbsp; &nbsp;notification_options &nbsp; &nbsp; &nbsp; &nbsp; w,u,c,r<br/> &nbsp; &nbsp;notification_interval &nbsp; &nbsp; &nbsp; 960<br/> &nbsp; &nbsp;notification_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; check_ntp!100.0,20%!500.0,60%<br/> &nbsp; &nbsp;}<br/><br/>define service{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-service &nbsp; &nbsp; &nbsp; ; Name of service template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; test_nrpe<br/> &nbsp; &nbsp;service_description &nbsp; &nbsp; &nbsp; &nbsp; qmail_smtp &nbsp; <br/> &nbsp; &nbsp;is_volatile &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;normal_check_interval &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;retry_check_interval &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;contact_groups &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; admins<br/> &nbsp; &nbsp;notification_options &nbsp; &nbsp; &nbsp; &nbsp; w,u,c,r<br/> &nbsp; &nbsp;notification_interval &nbsp; &nbsp; &nbsp; 960<br/> &nbsp; &nbsp;notification_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; check_smtp!100.0,20%!500.0,60% <br/> &nbsp; &nbsp;}<br/><br/>define service{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-service &nbsp; &nbsp; &nbsp; ; Name of service template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; test_nrpe<br/> &nbsp; &nbsp;service_description &nbsp; &nbsp; &nbsp; &nbsp; qmail_pop3 &nbsp; <br/> &nbsp; &nbsp;is_volatile &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;normal_check_interval &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;retry_check_interval &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;contact_groups &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; admins<br/> &nbsp; &nbsp;notification_options &nbsp; &nbsp; &nbsp; &nbsp; w,u,c,r<br/> &nbsp; &nbsp;notification_interval &nbsp; &nbsp; &nbsp; 960<br/> &nbsp; &nbsp;notification_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; check_pop!100.0,20%!500.0,60% <br/> &nbsp; &nbsp;}<br/>现在我们象上次一样把<br/>服务也定义完了：<br/><br/><br/><br/><br/><br/><br/><br/>此时是不是多了一个主机和它下面的服务呢?那是肯定的，添加主机和服务可能出现的问题有如下情况：<br/>1：配置参数出现问题，如果你没有检查配置就启动nagios，可能会启动成功，但是显示会不正常；<br/>解决方法：调整配置参数<br/>2：Connection refused<br/>当出现这个问题的时候，我开始以为是ssh的无密码登录没有成功，但是其实我的服务器没有启动该服务造成的，启动服务即可。<br/><br/>但是这些是有端口的服务，没有使用端口的状态任何检测？<br/>使用nrpe，ok，我们现在在服务器上安装nrpe：<br/>一、远程主机的配置 <br/>1、安装nrpe与配置 <br/>fetch http://ufpr.dl.sourceforge.net/sourceforge/nagios/nrpe-2.5.2.tar.gz<br/>tar zxvf nrpe-2.5.2.tar.gz<br/>cd nrpe-2.5.2<br/>./configure --enable-ssl --enable-command-args <br/>make all <br/>mkdir -p /usr/local/nagios/etc<br/>mkdir /usr/local/nagios/bin <br/>mkdir /usr/local/nagios/libexec <br/>pw addgroup nagios<br/>pw useradd nagios -g nagios -d /usr/local/nagios/ -s /sbin/nologin <br/>chown -R nagios:nagios /usr/local/nagios <br/>cp ./sample-config/nrpe.cfg /usr/local/nagios/etc <br/>cp src/nrpe /usr/local/nagios/bin <br/>2、启动nrpe，端口为5666 <br/>/usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d<br/>netstat -ant &amp;#124; grep 5666<br/>tcp4 &nbsp; &nbsp; 0 &nbsp; &nbsp; 0 *.5666 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *.* &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; LISTEN<br/><br/>二、监控服务器上的配置 <br/>1、安装nrpe(主要是使用check_nrpe模块)<br/>fetch http://ufpr.dl.sourceforge.net/sourceforge/nagios/nrpe-2.5.2.tar.gz<br/>tar zxvf nrpe-2.5.2.tar.gz<br/>cd nrpe-2.5.2<br/>./configure --enable-ssl --enable-command-args<br/>make all <br/>cp src/check_nrpe /usr/local/nagios/libexec <br/>2、nagios文件的配置 <br/>vi checkcommands.cfg <br/>定义check_nrpe命令<br/># &#039;check_nrep&#039; command definition<br/>define command{<br/> &nbsp; &nbsp;command_name check_nrpe<br/> &nbsp; &nbsp;command_line /usr/local/nagios/libexec/check_nrpe -H $HOSTADDRESS$ -c $ARG1$ <br/> &nbsp; &nbsp;}<br/>三、上面我们已经配置了一部分参数，下面是配置的最终结果：<br/>define host{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-host &nbsp; &nbsp; &nbsp; &nbsp; ; Name of host template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; test_nrpe<br/> &nbsp; &nbsp;alias &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; client<br/> &nbsp; &nbsp;address &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 10.5.1.156<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; check-host-alive<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;notification_interval &nbsp; 120<br/> &nbsp; &nbsp;notification_period &nbsp; 24x7<br/> &nbsp; &nbsp;notification_options &nbsp; d,r<br/> &nbsp; &nbsp;contact_groups admins<br/> &nbsp; &nbsp;}<br/><br/># &#039;check_load&#039; command definition<br/>define command{<br/> &nbsp; &nbsp;command_name &nbsp; check_load<br/> &nbsp; &nbsp;command_line &nbsp; $USER1$/check_load -w $ARG1$ -c $ARG2$ <br/> &nbsp; &nbsp;}<br/><br/># &#039;check_load&#039; command definition<br/>define command{<br/> &nbsp; &nbsp;command_name &nbsp; check_disk<br/> &nbsp; &nbsp;command_line &nbsp; $USER1$/check_disk -w $ARG1$ -c $ARG2$ <br/> &nbsp; &nbsp;}<br/>define service{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-service &nbsp; &nbsp; &nbsp; ; Name of service template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; test_nrpe<br/> &nbsp; &nbsp;service_description &nbsp; &nbsp; &nbsp; &nbsp; PING<br/> &nbsp; &nbsp;is_volatile &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;normal_check_interval &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;retry_check_interval &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;contact_groups &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; admins<br/> &nbsp; &nbsp;notification_options &nbsp; &nbsp; &nbsp; &nbsp; w,u,c,r<br/> &nbsp; &nbsp;notification_interval &nbsp; &nbsp; &nbsp; 960<br/> &nbsp; &nbsp;notification_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; check_ping!100.0,20%!500.0,60%<br/> &nbsp; &nbsp;}<br/><br/>define service{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-service &nbsp; &nbsp; &nbsp; ; Name of service template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; test_nrpe<br/> &nbsp; &nbsp;service_description &nbsp; &nbsp; &nbsp; &nbsp; apache<br/> &nbsp; &nbsp;is_volatile &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;normal_check_interval &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;retry_check_interval &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;contact_groups &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; admins<br/> &nbsp; &nbsp;notification_options &nbsp; &nbsp; &nbsp; &nbsp; w,u,c,r<br/> &nbsp; &nbsp;notification_interval &nbsp; &nbsp; &nbsp; 960<br/> &nbsp; &nbsp;notification_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; check_http!100.0,20%!500.0,60%<br/> &nbsp; &nbsp;}<br/><br/>define service{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-service &nbsp; &nbsp; &nbsp; ; Name of service template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; test_nrpe<br/> &nbsp; &nbsp;service_description &nbsp; &nbsp; &nbsp; &nbsp; mysql<br/> &nbsp; &nbsp;is_volatile &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;normal_check_interval &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;retry_check_interval &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;contact_groups &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; admins<br/> &nbsp; &nbsp;notification_options &nbsp; &nbsp; &nbsp; &nbsp; w,u,c,r<br/> &nbsp; &nbsp;notification_interval &nbsp; &nbsp; &nbsp; 960<br/> &nbsp; &nbsp;notification_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; check_mysql!100.0,20%!500.0,60%<br/> &nbsp; &nbsp;}<br/><br/>define service{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-service &nbsp; &nbsp; &nbsp; ; Name of service template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; test_nrpe<br/> &nbsp; &nbsp;service_description &nbsp; &nbsp; &nbsp; &nbsp; ntp <br/> &nbsp; &nbsp;is_volatile &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;normal_check_interval &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;retry_check_interval &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;contact_groups &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; admins<br/> &nbsp; &nbsp;notification_options &nbsp; &nbsp; &nbsp; &nbsp; w,u,c,r<br/> &nbsp; &nbsp;notification_interval &nbsp; &nbsp; &nbsp; 960<br/> &nbsp; &nbsp;notification_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; check_ntp!100.0,20%!500.0,60%<br/> &nbsp; &nbsp;}<br/><br/>define service{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-service &nbsp; &nbsp; &nbsp; ; Name of service template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; test_nrpe<br/> &nbsp; &nbsp;service_description &nbsp; &nbsp; &nbsp; &nbsp; qmail_smtp &nbsp; <br/> &nbsp; &nbsp;is_volatile &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;normal_check_interval &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;retry_check_interval &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;contact_groups &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; admins<br/> &nbsp; &nbsp;notification_options &nbsp; &nbsp; &nbsp; &nbsp; w,u,c,r<br/> &nbsp; &nbsp;notification_interval &nbsp; &nbsp; &nbsp; 960<br/> &nbsp; &nbsp;notification_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; check_smtp!100.0,20%!500.0,60% <br/> &nbsp; &nbsp;}<br/><br/>define service{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-service &nbsp; &nbsp; &nbsp; ; Name of service template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; test_nrpe<br/> &nbsp; &nbsp;service_description &nbsp; &nbsp; &nbsp; &nbsp; qmail_pop3 &nbsp; <br/> &nbsp; &nbsp;is_volatile &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;normal_check_interval &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;retry_check_interval &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;contact_groups &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; admins<br/> &nbsp; &nbsp;notification_options &nbsp; &nbsp; &nbsp; &nbsp; w,u,c,r<br/> &nbsp; &nbsp;notification_interval &nbsp; &nbsp; &nbsp; 960<br/> &nbsp; &nbsp;notification_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; check_pop!100.0,20%!500.0,60% <br/> &nbsp; &nbsp;}<br/><br/>define service{<br/> &nbsp; &nbsp;use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-service &nbsp; &nbsp; &nbsp; ; Name of service template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; test_nrpe<br/> &nbsp; &nbsp;service_description &nbsp; &nbsp; &nbsp; &nbsp; test_load<br/> &nbsp; &nbsp;is_volatile &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;normal_check_interval &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;retry_check_interval &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;contact_groups &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; admins<br/> &nbsp; &nbsp;notification_options &nbsp; &nbsp; &nbsp; &nbsp; w,u,c,r<br/> &nbsp; &nbsp;notification_interval &nbsp; &nbsp; &nbsp; 960<br/> &nbsp; &nbsp;notification_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; check_load!100.0,20%!500.0,60%<br/> &nbsp; &nbsp;}<br/><br/>define service{<br/>use &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; generic-service &nbsp; &nbsp; &nbsp; ; Name of service template to use<br/> &nbsp; &nbsp;host_name &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; test_nrpe<br/> &nbsp; &nbsp;service_description &nbsp; &nbsp; &nbsp; &nbsp; test_disk <br/> &nbsp; &nbsp;is_volatile &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0<br/> &nbsp; &nbsp;check_period &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;max_check_attempts &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;normal_check_interval &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;retry_check_interval &nbsp; &nbsp; &nbsp; &nbsp; 1<br/> &nbsp; &nbsp;contact_groups &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; admins<br/> &nbsp; &nbsp;notification_options &nbsp; &nbsp; &nbsp; &nbsp; w,u,c,r<br/> &nbsp; &nbsp;notification_interval &nbsp; &nbsp; &nbsp; 960<br/> &nbsp; &nbsp;notification_period &nbsp; &nbsp; &nbsp; &nbsp; 24x7<br/> &nbsp; &nbsp;check_command &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; check_disk!100.0,20%!500.0,60% &nbsp; <br/> &nbsp; &nbsp;}<br/><br/>四、检查配置参数并重启nagios<br/><br/><br/>9）如何在nagios中使用外部命令<br/>vi /usr/local/nagios/etc/nagios.cfg<br/>check_external_commands=1<br/><br/>mkdir /usr/local/nagios/var/rw<br/>chown nagios.nagcmd /usr/local/nagios/var/rw<br/>chmod u+rw /usr/local/nagios/var/rw<br/>chmod g+rw /usr/local/nagios/var/rw<br/>chmod g+s /usr/local/nagios/var/rw<br/><br/>svc -t /service/nagios/<br/>/usr/local/apache2/bin/apachectl restart <br/><br/><br/>现在ArthurXF本人正在搞PHP等技术培训，如果想学习的人可以跟我联系。另外培训的招生简章在这个网址，想了解的可以去看看。加我QQ：29011218交流也可。<br/><a href="http://www.bizeway.net/read.php/285.htm" target="_blank">PHP培训招生简章</a><br/>Tags - <a href="tag.php?tag=nagios" rel="tag">nagios</a> , <a href="tag.php?tag=%E5%BC%80%E6%BA%90" rel="tag">开源</a> , <a href="tag.php?tag=%E6%9C%8D%E5%8A%A1%E5%99%A8%E7%9B%91%E6%8E%A7" rel="tag">服务器监控</a>
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