用nagios來監(jiān)控網(wǎng)絡(luò)服務(wù)器和網(wǎng)絡(luò)服務(wù)
nagios可以對(duì)服務(wù)器進(jìn)行全面的監(jiān)控，包括服務(wù)（apache、mysql、ntp、
dns、disk、qmail和sshd等等）的狀態(tài)，服務(wù)器的狀態(tài)（up、down等等）。它是一個(gè)完全GPL協(xié)議的開源軟件包，包含有nagios主
程序和它的各個(gè)插件，配置非常靈活，可以監(jiān)視的項(xiàng)目很多，可以自定義shell腳本進(jìn)行監(jiān)控服務(wù)，非常適合大型網(wǎng)絡(luò)。
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nagios的包含主動(dòng)監(jiān)控和被動(dòng)監(jiān)控。
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主動(dòng)檢查是通過監(jiān)控中心的主機(jī)發(fā)出請(qǐng)求，讓運(yùn)行在遠(yuǎn)程主機(jī)上的nrpe守護(hù)進(jìn)程收集信息，然后報(bào)告它，它通過web接口把數(shù)據(jù)顯示在頁面上。
它的工作原理如下：
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被動(dòng)監(jiān)控是當(dāng)遠(yuǎn)程被監(jiān)控主機(jī)處于防火墻之內(nèi)的時(shí)候，只有遠(yuǎn)程主機(jī)可以訪問到監(jiān)控中心，防火墻之內(nèi)可以設(shè)置另外一個(gè)監(jiān)控中心，遠(yuǎn)程監(jiān)控中心的nagios收
集服務(wù)器信息以后，和nsca報(bào)告，由naca客戶端報(bào)告naca的服務(wù)器端，然后報(bào)告監(jiān)控中心的nagios，通過web接口顯示監(jiān)控結(jié)果。
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nagios的功能非常強(qiáng)大，[url]http://www.nagios.org/[/url]是它的窩，只有e文、法文和日文，沒有中文，可惜啊。
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我現(xiàn)在引用它的一段文字進(jìn)行總結(jié)一下到底什么是nagios：
What Is This?
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什么是nagios？
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.
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Nagios was originally designed to run under Linux, although it should work under most other unices as well.
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Some of the many features of Nagios® include:
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Monitoring of network services (SMTP, POP3, HTTP, NNTP, PING, etc.)
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Monitoring of host resources (processor load, disk usage, etc.)
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Simple plugin design that allows users to easily develop their own service checks
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Parallelized service checks
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Ability to define network host hierarchy using "parent" hosts, allowing
detection of and distinction between hosts that are down and those that
are unreachable
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Contact notifications when service or host problems occur and get resolved (via email, pager, or user-defined method)
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Ability to define event handlers to be run during service or host events for proactive problem resolution
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Automatic log file rotation
Support for implementing redundant monitoring hosts
Optional web interface for viewing current network status, notification and problem history, log file, etc.
Nagios是一個(gè)監(jiān)視系統(tǒng)和網(wǎng)絡(luò)的應(yīng)用程序。它監(jiān)視你所指定主機(jī)和服務(wù)，當(dāng)監(jiān)視的內(nèi)容變好或者變壞時(shí)發(fā)出警告。Nagios最初是被設(shè)計(jì)在Linux平臺(tái)上運(yùn)行的，然而現(xiàn)在在其他平臺(tái)上也運(yùn)行良好。
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Nagios的特性包括：
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監(jiān)視網(wǎng)絡(luò)服務(wù)（SMTP, POP3, HTTP, NNTP, PING, 等等）
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監(jiān)視主機(jī)資源（處理器負(fù)載、磁盤空間等）
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容許用戶開發(fā)自己的插件去檢查自定義的項(xiàng)目；
通過使用“父主機(jī)”，定義網(wǎng)絡(luò)主機(jī)的分層，容許探測主機(jī)down掉或者不可到達(dá)。
可以定義在主機(jī)或服務(wù)運(yùn)行期間，事件發(fā)生以后如何處理和解決方式；
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自動(dòng)記錄錯(cuò)誤日志；
支持冗余監(jiān)視；
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可選web接口，通過web頁面查看當(dāng)前網(wǎng)絡(luò)狀態(tài)，提示和報(bào)告故障歷史，日志文件等；
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Nagios的系統(tǒng)要求：
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Linux、Unix等
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apache
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GD庫（1.63以上）
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zlib
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pnglib
jpeglib
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basic icons
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等，其中apache的安裝在blog中已經(jīng)有相關(guān)的文章，搜索一下就行；gd、zlib、pnglib和jpeglib安裝比較簡單，步驟：
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下載tarball
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tar zxvf xxx.tar.gz
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cd xxx
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./configure
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make && make install
----------------------------------------------------------------------
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Nagios的安裝過程(FreeBSD)
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----------------------------------------------------------------------
nagios的安裝比較簡單，復(fù)雜的是設(shè)置和配置參數(shù)的設(shè)定。不過你要放松一點(diǎn)，畢竟我們要搞定它，不是嗎？那就開始吧：
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1：獲得最新的安裝包，[url]http://www.nagios.org/download[/url]
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2：以root身份登錄服務(wù)器，目前最新的版本是2.5：
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1）nagios，版本2.5：
fetch [url]http://superb-west.dl.sourceforge.net/sour...gios-2.5.tar.gz[/url]
or
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wget [url]http://superb-west.dl.sourceforge.net/sour...gios-2.5.tar.gz[/url]
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2）獲得nagios插件，版本1.4.3：
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[url]http://surfnet.dl.sourceforge.net/sourcefo...ns-1.4.3.tar.gz[/url]
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3）獲得圖庫文件：
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[url]http://dl.sf.net/nagios/imagepak-base.tar.gz[/url]
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4）NRPE，版本2.5.2
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[url]http://ufpr.dl.sourceforge.net/sourceforge...pe-2.5.2.tar.gz[/url]
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5）NSCA，版本2.6
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[url]http://kent.dl.sourceforge.net/sourceforge...nsca-2.6.tar.gz[/url]
3：切換到root用戶：
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sudo su
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4：解壓縮
tar zxvf nagios-2.5.tar.gz
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5：建立運(yùn)行nagios的用戶：
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adduser nagios
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6：建立安裝nagios的文件夾，并使這個(gè)文件夾的所有者為nagios:nagios
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mkdir /usr/local/nagios
chown nagios.nagios /usr/local/nagios
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7：確認(rèn)web服務(wù)器的用戶
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可能會(huì)通過web接口執(zhí)行一些命令，必須確定web服務(wù)器以哪個(gè)用戶運(yùn)行的，通常為：apache：
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grep "^User" /usr/local/apache2/conf/httpd.conf
8：建立命令文件組
這個(gè)新的組會(huì)包括apache的用戶和nagios的用戶
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pw groupadd nagcmd
pw usermod apache -G nagcmd
pw usermod nagios -G nagcmd
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----------------------------------
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cat /etc/group
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nagcmd:*:9007:apache,nagios
----------------------------------
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8：運(yùn)行配置腳本并安裝nagios
cd nagios-2.5
./configure --prefix=/usr/local/nagios --with-gd-lib=/usr/local/lib --with-gd-inc=/usr/local/include
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---------------------------------
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*** Configuration summary for nagios 2.5 07-13-2006 ***:
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General Options:
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-------------------------
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Nagios executable: nagios
Nagios user/group: nagios,nagios
Command user/group: nagios,nagios
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Embedded Perl: no
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Event Broker: yes
Install ${prefix}: /usr/local/nagios
Lock file: ${prefix}/var/nagios.lock
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Init directory: /usr/local/etc/rc.d
Host OS: freebsd6.0
Web Interface Options:
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------------------------
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HTML URL: [url]http://localhost/nagios/[/url]
CGI URL: [url]http://localhost/nagios/cgi-bin/[/url]
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Traceroute (used by WAP): /usr/sbin/traceroute
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Review the options above for accuracy. If they look okay,
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type 'make all' to compile the main program and CGIs.
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make all
make install
make install-init
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make install-commandmode
make install-config
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9：安裝nagios-plugins
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tar zxvf nagios-plugins-1.4.3.tar.gz
cd nagios-plugins-1.4.3
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./configure --prefix=/usr/local/nagios-plugins
make all
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make install
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安裝完成以后在/usr/local/nagios-plugins-plugins會(huì)產(chǎn)生一個(gè)libexec的目錄，將該目錄全部移動(dòng)到/usr/local/nagios目錄下即可。
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mv /usr/local/nagios-plugins-plugins/libexec/ /usr/local/nagios/
10：imagepak-base.tar.gz的安裝
tar –xvzf imagepak-base.tar.gz
解壓以后是base目錄
mv base/ /usr/local/nagios/share/images/logos/
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----------------------------------------------------------------------
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現(xiàn)在開始配置：
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----------------------------------------------------------------------
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1：配置web接口
假設(shè)你已經(jīng)運(yùn)行了apache，如果沒有，請(qǐng)參考：
[url]http://localhost/upload/blog.php?do-showone-tid-18.html[/url]
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vi /usr/local/apache2/conf/httpd.conf
添加如下內(nèi)容：
ScriptAlias /nagios/cgi-bin /usr/local/nagios/sbin
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<Directory "/usr/local/nagios/sbin">
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Options ExecCGI
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AllowOverride None
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Order allow,deny
Allow from all
AuthName "Nagios Access"
AuthType Basic
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AuthUserFile /usr/local/nagios/etc/htpasswd.users
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Require valid-user
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</Directory>
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Alias /nagios /usr/local/nagios/share
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<Directory "/usr/local/nagios/share">
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Options None
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AllowOverride None
Order allow,deny
Allow from all
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AuthName "Nagios Access"
AuthType Basic
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AuthUserFile /usr/local/nagios/etc/htpasswd.users
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Require valid-user
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</Directory>
修改完畢，保存文件，并重啟apache：
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/usr/local/apahce2/bin/apachectl restart
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2：配置apache的BASIC認(rèn)證：
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生成認(rèn)證密碼：
/usr/local/apache2/bin/htpasswd –c /usr/local/nagios/etc/htpasswd.users nagios nagios
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apache接口配置完成。
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開始配置nagios：
cd /usr/local/nagios/etc/
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在/usr/local/nagios/etc下是nagios的配置模板文件-sample,把.cfg-sample文件全部拷貝成.cfg
例如:cp nagios.cfg-sample nagios.cfg
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全部拷貝完成即可.
#^
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vi minimal.cfg
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注釋所有command：
注釋的方法是在每一個(gè)定義語句前面添加”#“
修改cgi.cfg
修改use_authentication=1為use_authentication=0,即不用驗(yàn)證.不然有一些頁面不會(huì)顯示。
現(xiàn)在檢查配置文件是否有語法錯(cuò)誤：
/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
如果正確，會(huì)顯示以下結(jié)果：
Total Warnings: 0
Total Errors: 0
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否則，需要根據(jù)提示進(jìn)行修改配置文件。
配置文件等會(huì)再弄。現(xiàn)在啟動(dòng)nagios
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/usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg
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為了使nagios異常中斷，我們使用daemontools啟動(dòng)：
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安裝daemontool：
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mkdir -p /package
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chmod 1755 /package
cd /package
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fetch [url]http://cr.yp.to/daemontools/daemontools-0.76.tar.gz[/url]
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cd admin/daemontools-0.76/
package/install
檢查svscan進(jìn)程是否啟動(dòng)：
ps aux | grep svscan
root 376 0.0 0.0 1636 0 con- IW - 0:00.00 /bin/sh /command/svscanboot
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root 411 0.0 0.0 1224 208 con- S 8Jul06 0:42.50 svscan /service
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ok，啟動(dòng)正常了。
cd /service
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mkdir nagios
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chmod 1755 nagios
touch ./run
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chmod 755 ./run
vi run
PATH=/usr/local/bin:/usr/bin:/bin
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export PATH
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exec env - PATH=$PATH "
/usr/local/nagios/bin/nagios /usr/local/nagios/etc/nagios.cfg
mkdir log
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cd log
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touch ./run
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chmod 755 ./run
vi ./run
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#!/bin/sh
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exec setuidgid logadmin multilog t s1000000 n100 ./main
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mkdir main
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chmod 777 main
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chown nagios.nagios main
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touch status
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chown nagios.nagios status
svc -u /service/nagios/
svstat /service/nagios/
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root@## ps auxww | grep nagios
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root 23276 0.0 0.1 1176 488 ?? I 5:00PM 0:01.71 supervise nagios
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nagios 34251 0.0 0.3 2316 1552 ?? S 6:06PM 0:00.10 /usr/local/nagios/bin/nagios /usr/local/nagios/etc/nagios.cfg
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root@##
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ok，現(xiàn)在把nagios服務(wù)做成自動(dòng)啟動(dòng)的服務(wù)了。
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通過svc命令可以啟動(dòng)或者停止服務(wù)。
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---------------------------------------------------------------------------------
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svc opts services
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opts is a series of getopt-style options. services consists of any
number of arguments, each argument naming a directory used by
supervise.
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-u: Up. If the service is not running, start it. If the service stops, restart it.
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-d: Down. If the service is running, send it a TERM signal and then a CONT signal. After it stops, do not restart it.
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-o: Once. If the service is not running, start it. Do not restart it if it stops.
-p: Pause. Send the service a STOP signal.
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-c: Continue. Send the service a CONT signal.
-h: Hangup. Send the service a HUP signal.
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-a: Alarm. Send the service an ALRM signal.
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-i: Interrupt. Send the service an INT signal.
-t: Terminate. Send the service a TERM signal.
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-k: Kill. Send the service a KILL signal.
-x: Exit. supervise will exit as soon as the service is down. If you
use this option on a stable system, you're doing something wrong;
supervise is designed to run forever.
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---------------------------------------------------------------------------------
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比如：
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停止nagios－－svc -d /service/nagios/
重啟nagios－－svc -t /service/nagios/
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啟動(dòng)nagios－－svc -u /service/nagios/
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當(dāng)然，你也可以使用inited的方式進(jìn)行：
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/usr/local/etc/rc.d/nagios start/stop
好了，反正daemontools很強(qiáng)大，以后慢慢熟悉，轉(zhuǎn)入正題。
現(xiàn)在打開網(wǎng)頁：[url]http://localhost/nagios/[/url]
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一定會(huì)讓你大吃一驚，呵呵，我的服務(wù)器和服務(wù)狀態(tài)都清楚的看到了。
現(xiàn)在我們的nagios中只有一個(gè)，那就是它自己，localhost，呵呵，等會(huì)我們添加別的主機(jī)和主機(jī)服務(wù)，ok，我們認(rèn)識(shí)一下nagios的廬山真面目：
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配置nagios：
1）為主機(jī)添加服務(wù)
2）添加主機(jī)并添加服務(wù)
3）停止一個(gè)服務(wù)
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4）刪除一臺(tái)主機(jī)和服務(wù)
/fpV8fa`;x2o
5）查看所有主機(jī)的故障
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6）查看一臺(tái)特定的主機(jī)狀態(tài)
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7）改變報(bào)警的時(shí)間間隔
8）改變發(fā)現(xiàn)故障的重試次數(shù)
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9）如何在nagios中使用外部命令
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1）為主機(jī)添加一個(gè)服務(wù)
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為localhost主機(jī)添加qmail服務(wù)的監(jiān)控，方法如下：
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vi minimal.cfg
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define service{
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use generic-service ; Name of service template to use
host_name localhost
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service_description qmail_smtp
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is_volatile 0
check_period 24x7
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max_check_attempts 1
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normal_check_interval 1
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retry_check_interval 1
contact_groups admins
notification_options w,u,c,r
notification_interval 960
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notification_period 24x7
check_command check_smtp!20%!10%!/
}
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可以直接拷貝原有的進(jìn)行修改，我這個(gè)就是拷貝的原有的check_local_disk進(jìn)行的。
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修改host_name，service_description，check_command等
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define service{
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use generic-service ; Name of service template to use
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host_name localhost
service_description qmail_pop3
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is_volatile 0
check_period 24x7
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max_check_attempts 1
normal_check_interval 1
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retry_check_interval 1
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contact_groups admins
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notification_options w,u,c,r
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notification_interval 960
notification_period 24x7
check_command check_pop!20%!10%!/
}
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照貓畫虎的進(jìn)行修改，然后去修改：
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vi checkcommands.cfg
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#'check_qmail' command definition
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define command{
command_name check_qmail
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command_line $USER1$/check_smtp -H 127.0.0.1
}
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define command{
command_name check_pop3
command_line $USER1$/check_pop -H 127.0.0.1
}
保存，然后檢查配置文件：
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/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
如果沒有錯(cuò)誤會(huì)顯示：
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Total Warnings: 0
Total Errors: 0
如果有錯(cuò)誤，請(qǐng)根據(jù)提示進(jìn)行錯(cuò)誤的修正。
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重啟nagios
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svc -d /service/nagios/ && svc -u /service/nagios/
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通過web頁面檢查nagios的結(jié)果：
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[url]http://10.5.1.153/nagios/[/url]
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點(diǎn)擊“Service Detail”
會(huì)出現(xiàn)：
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2）添加主機(jī)并添加服務(wù)
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我們會(huì)監(jiān)控這臺(tái)主機(jī)的負(fù)載、磁盤等一些沒有通過端口方式啟動(dòng)的服務(wù)器狀態(tài)，以及它的服務(wù)，比如：apache、mysql、qmail和ntp等等吧。那
么沒有端口的nagios直接能監(jiān)控到嗎？答案是不行。所以我們必須在兩臺(tái)主機(jī)上安裝nrpe，nrpe可以啟動(dòng)5666端口，把檢測的信息源源不斷的傳
給監(jiān)控中心的主機(jī)。
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ok，我們把a(bǔ)pache、mysql、qmail和ntp先加上，這回我們把監(jiān)控的主機(jī)和服務(wù)新建一個(gè)文件：
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cd /usr/local/nagios/etc/
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touch 10_5_1_156.cfg
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vi nagios.cfg
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cfg_file=/usr/local/nagios/etc/10_5_1_156.cfg
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vi 10_5_1_156.cfg
定義一個(gè)主機(jī)：
define host{
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use generic-host ; Name of host template to use
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host_name test_nrpe
alias client
address 10.5.1.156
check_command check-host-alive
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max_check_attempts 1
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check_period 24x7
notification_interval 120
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notification_period 24x7
notification_options d,r
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contact_groups admins
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}
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定義主機(jī)需要檢查的服務(wù)：
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define service{
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use generic-service ; Name of service template to use
#H)[0We!m q+^%J(y,L'x
host_name test_nrpe
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service_description PING
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is_volatile 0
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check_period 24x7
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max_check_attempts 1
normal_check_interval 1
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retry_check_interval 1
contact_groups admins
#t#m(]?i"`
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notification_options w,u,c,r
notification_interval 960
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notification_period 24x7
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check_command check_ping!100.0,20%!500.0,60%
}
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define service{
use generic-service ; Name of service template to use
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host_name test_nrpe
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service_description apache
is_volatile 0
check_period 24x7
max_check_attempts 1
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normal_check_interval 1
retry_check_interval 1
contact_groups admins
notification_options w,u,c,r
notification_interval 960
notification_period 24x7
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check_command check_http!100.0,20%!500.0,60%
}
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define service{
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use generic-service ; Name of service template to use
host_name test_nrpe
service_description mysql
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is_volatile 0
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check_period 24x7
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max_check_attempts 1
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normal_check_interval 1
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retry_check_interval 1
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contact_groups admins
notification_options w,u,c,r
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notification_interval 960
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notification_period 24x7
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check_command check_mysql!100.0,20%!500.0,60%
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}
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define service{
use generic-service ; Name of service template to use
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host_name test_nrpe
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service_description ntp
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is_volatile 0
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check_period 24x7
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max_check_attempts 1
normal_check_interval 1
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retry_check_interval 1
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contact_groups admins
notification_options w,u,c,r
notification_interval 960
notification_period 24x7
check_command check_ntp!100.0,20%!500.0,60%
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}
define service{
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use generic-service ; Name of service template to use
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host_name test_nrpe
service_description qmail_smtp
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is_volatile 0
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check_period 24x7
max_check_attempts 1
normal_check_interval 1
retry_check_interval 1
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contact_groups admins
notification_options w,u,c,r
notification_interval 960
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notification_period 24x7
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check_command check_smtp!100.0,20%!500.0,60%
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}
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define service{
use generic-service ; Name of service template to use
host_name test_nrpe
service_description qmail_pop3
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is_volatile 0
check_period 24x7
max_check_attempts 1
normal_check_interval 1
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retry_check_interval 1
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contact_groups admins
bd
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notification_options w,u,c,r
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notification_interval 960
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notification_period 24x7
check_command check_pop!100.0,20%!500.0,60%
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}
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A{
現(xiàn)在我們象上次一樣把服務(wù)也定義完了：
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此時(shí)是不是多了一個(gè)主機(jī)和它下面的服務(wù)呢?那是肯定的，添加主機(jī)和服務(wù)可能出現(xiàn)的問題有如下情況：
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1：配置參數(shù)出現(xiàn)問題，如果你沒有檢查配置就啟動(dòng)nagios，可能會(huì)啟動(dòng)成功，但是顯示會(huì)不正常；
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解決方法：調(diào)整配置參數(shù)
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2：Connection refused
當(dāng)出現(xiàn)這個(gè)問題的時(shí)候，我開始以為是ssh的無密碼登錄沒有成功，但是其實(shí)我的服務(wù)器沒有啟動(dòng)該服務(wù)造成的，啟動(dòng)服務(wù)即可。
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但是這些是有端口的服務(wù)，沒有使用端口的狀態(tài)任何檢測？
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使用nrpe，ok，我們現(xiàn)在在服務(wù)器上安裝nrpe：
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一、遠(yuǎn)程主機(jī)的配置
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1、安裝nrpe與配置
fetch [url]http://ufpr.dl.sourceforge.net/sourceforge...pe-2.5.2.tar.gz[/url]
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tar zxvf nrpe-2.5.2.tar.gz
cd nrpe-2.5.2
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./configure --enable-ssl --enable-command-args
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make all
mkdir -p /usr/local/nagios/etc
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mkdir /usr/local/nagios/bin
mkdir /usr/local/nagios/libexec
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"/j$Tv:Y]
pw addgroup nagios
pw useradd nagios -g nagios -d /usr/local/nagios/ -s /sbin/nologin
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chown -R nagios:nagios /usr/local/nagios
cp ./sample-config/nrpe.cfg /usr/local/nagios/etc
cp src/nrpe /usr/local/nagios/bin
2、啟動(dòng)nrpe，端口為5666
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/usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d
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S%g2A&~
netstat -ant | grep 5666
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tcp4 0 0 *.5666 *.* LISTEN
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二、監(jiān)控服務(wù)器上的配置
1、安裝nrpe(主要是使用check_nrpe模塊)
u
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fetch [url]http://ufpr.dl.sourceforge.net/sourceforge...pe-2.5.2.tar.gz[/url]
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tar zxvf nrpe-2.5.2.tar.gz
cd nrpe-2.5.2
8{M5S;r$J(M p
./configure --enable-ssl --enable-command-args
make all
cp src/check_nrpe /usr/local/nagios/libexec
2、nagios文件的配置
vi checkcommands.cfg
#L6?/];R+g-@
定義check_nrpe命令
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# 'check_nrep' command definition
define command{
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command_name check_nrpe
#Yj-a?eN.X Z
command_line /usr/local/nagios/libexec/check_nrpe -H $HOSTADDRESS$ -c $ARG1$
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}
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三、上面我們已經(jīng)配置了一部分參數(shù)，下面是配置的最終結(jié)果：
y]5~9d+gk-[
define host{
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use generic-host ; Name of host template to use
w0v"H)a4s-a"b:"*e
host_name test_nrpe
alias client
address 10.5.1.156
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check_command check-host-alive
max_check_attempts 1
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check_period 24x7
notification_interval 120
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notification_period 24x7
notification_options d,r
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contact_groups admins
}
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# 'check_load' command definition
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define command{
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command_name check_load
command_line $USER1$/check_load -w $ARG1$ -c $ARG2$
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}
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C
# 'check_load' command definition
define command{
command_name check_disk
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command_line $USER1$/check_disk -w $ARG1$ -c $ARG2$
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}
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define service{
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use generic-service ; Name of service template to use
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host_name test_nrpe
service_description PING
is_volatile 0
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check_period 24x7
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max_check_attempts 1
normal_check_interval 1
retry_check_interval 1
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contact_groups admins
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notification_options w,u,c,r
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notification_interval 960
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notification_period 24x7
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check_command check_ping!100.0,20%!500.0,60%
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}
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define service{
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use generic-service ; Name of service template to use
host_name test_nrpe
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service_description apache
is_volatile 0
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check_period 24x7
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max_check_attempts 1
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normal_check_interval 1
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retry_check_interval 1
contact_groups admins
notification_options w,u,c,r
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notification_interval 960
notification_period 24x7
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check_command check_http!100.0,20%!500.0,60%
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}
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#_bFR8E uoL
define service{
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use generic-service ; Name of service template to use
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host_name test_nrpe
service_description mysql
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is_volatile 0
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check_period 24x7
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max_check_attempts 1
normal_check_interval 1
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retry_check_interval 1
contact_groups admins
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notification_options w,u,c,r
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notification_interval 960
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notification_period 24x7
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check_command check_mysql!100.0,20%!500.0,60%
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}
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define service{
use generic-service ; Name of service template to use
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host_name test_nrpe
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service_description ntp
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is_volatile 0
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check_period 24x7
max_check_attempts 1
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normal_check_interval 1
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retry_check_interval 1
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contact_groups admins
notification_options w,u,c,r
notification_interval 960
8H-D"D5]h2Mw3{@
notification_period 24x7
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check_command check_ntp!100.0,20%!500.0,60%
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}
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define service{
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use generic-service ; Name of service template to use
host_name test_nrpe
service_description qmail_smtp
is_volatile 0
check_period 24x7
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max_check_attempts 1
normal_check_interval 1
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retry_check_interval 1
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contact_groups admins
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d0? }
notification_options w,u,c,r
` K'|#zp#r3x X-b
notification_interval 960
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notification_period 24x7
check_command check_smtp!100.0,20%!500.0,60%
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}
define service{
use generic-service ; Name of service template to use
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host_name test_nrpe
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service_description qmail_pop3
is_volatile 0
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check_period 24x7
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max_check_attempts 1
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normal_check_interval 1
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retry_check_interval 1
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contact_groups admins
notification_options w,u,c,r
notification_interval 960
t2z_F2Xu
"
notification_period 24x7
check_command check_pop!100.0,20%!500.0,60%
}
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define service{
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use generic-service ; Name of service template to use
host_name test_nrpe
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service_description test_load
is_volatile 0
} ^(}l0v2U;R:g)EM
check_period 24x7
max_check_attempts 1
normal_check_interval 1
retry_check_interval 1
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z
contact_groups admins
notification_options w,u,c,r
notification_interval 960
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notification_period 24x7
check_command check_load!100.0,20%!500.0,60%
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}
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define service{
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use generic-service ; Name of service template to use
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host_name test_nrpe
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service_description test_disk
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is_volatile 0
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check_period 24x7
max_check_attempts 1
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normal_check_interval 1
retry_check_interval 1
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contact_groups admins
notification_options w,u,c,r
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u r
notification_interval 960
notification_period 24x7
#iHn!u%t6y
check_command check_disk!100.0,20%!500.0,60%
}
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四、檢查配置參數(shù)并重啟nagios
$V0I*r#O_:D/fu3n:_
9）如何在nagios中使用外部命令
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vi /usr/local/nagios/etc/nagios.cfg
g'O-{e?v*SY
check_external_commands=1
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mkdir /usr/local/nagios/var/rw
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chown nagios.nagcmd /usr/local/nagios/var/rw
chmod u+rw /usr/local/nagios/var/rw
b X.p"-{
chmod g+rw /usr/local/nagios/var/rw
vz_0s n+r Ld
chmod g+s /usr/local/nagios/var/rw
svc -t /service/nagios/
/usr/local/apache2/bin/apachectl restart