网络监控工具Nagios搭建Nagios是一款开源的免费网络监视工具，能有效监控Windows、Li

文件名称: 网络监控工具Nagios搭建

所属分类: 群集服务

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文件大小: 735kb

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上传时间: 2019-07-02

提供者: aba****

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详细说明：Nagios是一款开源的免费网络监视工具，能有效监控Windows、Linux和Unix的主机状态，交换机路由器等网络设置，打印机等。在系统或服务状态异常时发出邮件或短信报警第一时间通知网站运维人员，在状态恢复后发出正常的邮件或短信通知。glibc-common-2,12-1.132.e/6.X86 64 gd-2.0.35-11.e/6.X8664 gd-deve}-2.0.35-11.e/6.x8664 xinetd-2.3.14-39.e64.X8664 openss}-aeve-1.O.1e-16.e165,7,x8664 4. Nagios安装 4.1创建 nagIos用户和密码(所有主从节点) useradd nagios -d/usr/local/nagios passwd nagios 42安装 nagios主程序(所有主从节点都要安装) yum Install nag/os 43安装 nagios:插件(所有节点安装安装所有插件 yum install nagios-plugins-all 也可以按照需要选择安装某些插件,例如 yum install nagios-plugins-nagios nagios-plugins-oad nagios-plugins-smtp 将 nagIos添加为服务 chkconfig --add nagios chkconfig nagios off chkconfig --level 35 nagios on chkconfig --list nagios nagios 0: off 1: off 2: off 3: on 4: off 5: on 6: off 44安装NRPE(所有节点安装 yum install nrpe 4.4,1被监控节点NREP配置如果是被监控节点需要配置ηrpe已守护进程运行(通过 xinetd来运行) 更改/etc/ xinetd.d/nrpe文件,设置允许 nagIos主节点服务器连接 vi/etc/xinetd. d/nrpe 修改on/fom参数,添加 lagos主形点版务器P service nrpe i flags = REUSE socket_ type= stream port 5666 wait no user nagios group nagios server =/usr/sbin/nrpe serverargs =-c/etc/nagios/nrpe. cfg --inetd log on failure + USERID disable no on/_ from=127.0.0.1172.18.108.104 修改/etc/ services vi/etc/services -在结尾增加 nrpe 5666/tcp NRPE 增加对参数的支持 i /etcnagios/nrpe. cfg 修改 dont blame nrpe参数 dont_ blame_ nrpe=1 启动 xinetd service xinetd restart 45安装 Apache(主节点安装) uminstallhttpd 46安装PHP(主节点安装) yum install php 47通过 Apache发布 Ganglia-web(主节点安装 vi/etchttpd/conf/httpd.conf -在最后增加如下容 #setting for nagios ScriptAlias /nagios/cgi-bin /usr/ib64/nagios/cgi-bin AuthType Basic Options ExeccGI AllowOverride None Order allow, deny Allow from all AuthName "Nagios Access AuthUserFile /etc/nagios/passwd Require valid-user Alias /nagios "/usr/share/nagios Auth Type Basic Options None A∥ OVerride none Order allow, deny A∥ w from a∥ AuthName "nagios Access AuthUserFile /etc/nagios/passwd Require valid-user 为Web访问时添加用户名和密码(此处用户名为 admin,可自定义) htpasswd -c/etc/nagios/passwd admin 启动 apache servicehttpdrestart 5.配置 Nagios 5.1检查监控命令 /usr/ib64/nagios/plugins/check_ users -a 5 10 /usr/ib64/nagios/plugins/checkload -a 15, 10,530, 25,20 usr/ib64nagios/plugins/check disk -a 20%010%0/ /usr/ib64/nagios/plugins/check_procs -a 200 400 RSZDT /usr/1b64/nagios/plugins/check_ swap -a 20%010%0 5.2配置监控服务主节点修改 nagIos配置文件cgi.cfg vi/etc/nagios/cgi. cfg 修改如下容,为dmin用户增加权假 default user name=admin authorized for system information =nagiosadmin, admin authorized for configuration information =nagiosadmin, admin authorized for system commands=nagiosadmin, admin authorized for all services=nagiosadmin, admin authorizedfor-allhosts=nagiosadmin, admin authorized for all service commands=nagiosadmin, admin authorizedfor-allhost commands=nagiosadmin, admin 修改 nagIos配置文件 nag lOs.cfg vi/etc/nagios/nagios. cfg 取消下面配置文件路经的注释 cfg dir=/etc/nagios/conf. d 53定义监控的主机组声明一个监控的主机组,将主机环境中提到的四台主机全部加入监控。 vi /etc/nagios/conf. d/group. cfg define hostgroupt hostgroup name bigdata-cluster alias bidata cluster members bigdata101, bigdata102, bigdata103, bigdata104 hostgroup_ name:主机组的名称,可随意指定 alias:主机组别名,可随意指定。 members:主机组成员,多个主机名称之前使用逗号分隔。另外主机名称必须与 define hosti中的 host name-致。 54定义本监控的所有主机以 biodata101为例: vi/etc/nagios/ conf, d/bigdata101 cfg define host use linux-server host name biodata 101 alias bigdata101 address172,18,108.101 define service use loca/-service host_ name bigdata101 service description Users check command check ocal users/ 20150 define servicei use ocal-service host_ name biodata 101 service description CPU check command check / ocal load 5.0, 4,0,3.0/10,0,6.0, 4.0 define service use local-service host name bigdata101 service description Disk Root check command check /oca/ disk 20%o!10%0 define service use local-service host name biodata 101 service description Zombie procs check command check /oca/ procs 5!10!Z define service use local-service host name bigdata101 service_ description Total Procs check command check_/oca/procs/250!400/RSZDT define servicei use oca/-service host name bigdata101 service description Swap Usage check_ command check_/ocal swap!20110 55定义邮件监控 /etc/nagios/objects/ contacts. cfg define contact contact_ name nagiosadmin Short name of user use generic-contact Inherit default values from generic-contact template(defined above) alias Nagios Admin i Full name of user

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