[align=left][font=宋体]来自:网络[/font][/align]
上线的服务器有时会被人攻击,导致服务不可用,今天安装配置了nagios对上线服务器进行监控,简单记录一下 [color=black][font=Tahoma] [/font][/color][color=black]nagios安装[/color]
[ /jeremyxu2010/blog/281151#][color=#ff8373]?[/color][/url]
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[/td][td][color=#ff0000][font=Consolas]#安装必要的软件包 yum install[/font][/color] [color=#ff0000][font=Consolas]-y gcc[/font][/color] [color=#ff0000][font=Consolas]glibc glibc-common gd gd-devel xinetd openssl-devel #创建nagios用户及授予目录权限 [/font][/color]
[font=Consolas][color=#ff0000]useradd[/color][/font] [color=#ff0000][font=Consolas]-s /sbin/nologin[/font][/color] [color=#ff0000][font=Consolas]nagios mkdir[/font][/color] [font=Consolas][color=#ff0000]/usr/local/nagios[/color][/font] [font=Consolas][color=#ff0000]chown[/color][/font] [color=#ff0000][font=Consolas]-R nagios.nagios /usr/local/nagios[/font][/color] [font=Consolas][color=#ff0000]#安装nagios [/color][/font]
[font=Consolas][color=#ff0000]tar[/color][/font] [color=#ff0000][font=Consolas]xf nagios-4.0.7.tar.gz cd[/font][/color] [font=Consolas][color=#ff0000]nagios-4.0.7 [/color][/font]
[color=#ff0000][font=Consolas]./configure[/font][/color] [color=#ff0000][font=Consolas]--prefix=/usr/local/nagios[/font][/color] [font=Consolas][color=#ff0000]make[/color][/font] [color=#ff0000][font=Consolas]all make[/font][/color] [font=Consolas][color=#ff0000]install[/color][/font] [color=#ff0000][font=Consolas]&& make[/font][/color] [color=#ff0000][font=Consolas]install-init && make[/font][/color] [color=#ff0000][font=Consolas]install-commandmode && make[/font][/color] [color=#ff0000][font=Consolas]install-config [/font][/color]
[color=#ff0000][font=Consolas]chkconfig --add nagios && chkconfig --level 35 nagios on && chkconfig --list nagios #安装nagios-plugins [/font][/color]
[font=Consolas][color=#ff0000]tar[/color][/font] [color=#ff0000][font=Consolas]xf nagios-plugins-2.0.2.tar.gz cd[/font][/color] [font=Consolas][color=#ff0000]nagios-plugins-2.0.2 [/color][/font]
[color=#ff0000][font=Consolas]./configure[/font][/color] [color=#ff0000][font=Consolas]--prefix=/usr/local/nagios[/font][/color] [font=Consolas][color=#ff0000]make[/color][/font] [color=#ff0000][font=Consolas]&& make[/font][/color] [font=Consolas][color=#ff0000]install[/color][/font] [font=Consolas][color=#ff0000]#安装apache [/color][/font]
[font=Consolas][color=#ff0000]tar[/color][/font] [color=#ff0000][font=Consolas]xf httpd-2.2.23.tar.gz cd[/font][/color] [font=Consolas][color=#ff0000]httpd-2.2.23 [/color][/font]
[color=#ff0000][font=Consolas]./configure[/font][/color] [color=#ff0000][font=Consolas]--prefix=/usr/local/apache2[/font][/color] [font=Consolas][color=#ff0000]make[/color][/font] [color=#ff0000][font=Consolas]&& make[/font][/color] [font=Consolas][color=#ff0000]install[/color][/font] [font=Consolas][color=#ff0000]#安装php [/color][/font]
[font=Consolas][color=#ff0000]tar[/color][/font] [color=#ff0000][font=Consolas]xf php-5.5.13.tar.gz cd[/font][/color] [font=Consolas][color=#ff0000]php-5.5.13 [/color][/font]
[color=#ff0000][font=Consolas]./configure[/font][/color] [color=#ff0000][font=Consolas]--prefix=/usr/local/php[/font][/color] [color=#ff0000][font=Consolas]--with-apxs2=/usr/local/apache2/bin/apxs[/font][/color] [font=Consolas][color=#ff0000]make[/color][/font] [color=#ff0000][font=Consolas]&& make[/font][/color] [font=Consolas][color=#ff0000]install[/color][/font]
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接下来配置apache
[ /jeremyxu2010/blog/281151#][color=#ff8373]?[/color][/url]
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[/td][td][font=Consolas][color=#ff0000]#生成nagios密码文件 [/color][/font]
[font=Consolas][color=#ff0000]/usr/local/apache2/bin/htpasswd[/color][/font] [color=#ff0000][font=Consolas]-c /usr/local/nagios/etc/htpasswd[/font][/color] [font=Consolas][color=#ff0000]admin [/color][/font]
[color=#ff0000][font=Consolas]vim /usr/local/apache2/conf/httpd.conf [/font][/color]
[font=Consolas][color=#ff0000]... [/color][/font]
[font=Consolas][color=#ff0000]User nagios [/color][/font]
[font=Consolas][color=#ff0000]Group nagios [/color][/font]
[font=Consolas][color=#ff0000]... [/color][/font]
[font=Consolas][color=#ff0000]<IfModule dir_module> [/color][/font]
[color=#ff0000][font=Consolas] DirectoryIndex index.html index.php [/font][/color]
[color=#ff0000][font=Consolas]</IfModule> [/font][/color]
[font=Consolas][color=#ff0000]... [/color][/font]
[color=#ff0000][font=Consolas]AddType application/x-httpd-php[/font][/color] [font=Consolas][color=#ff0000].php [/color][/font]
[color=#ff0000][font=Consolas]... #setting for nagios ScriptAlias /nagios/cgi-bin[/font][/color] [font=Consolas][color=#ff0000]"/usr/local/nagios/sbin"[/color][/font] [backcolor=rgb(248,248,248)][font=Tahoma] [/font][/backcolor][backcolor=rgb(248,248,248)]开源监控软件[/backcolor] [align=left][backcolor=rgb(248,248,248)][/backcolor][/align][color=#ff0000][font=Consolas]<Directory "/usr/local/nagios/sbin"> [/font][/color]
[color=#ff0000][font=Consolas] AuthType Basic [/font][/color]
[color=#ff0000][font=Consolas] Options ExecCGI [/font][/color]
[color=#ff0000][font=Consolas] AllowOverride None [/font][/color]
[color=#ff0000][font=Consolas] Order allow,deny [/font][/color]
[color=#ff0000][font=Consolas] Allow from all [/font][/color]
[color=#ff0000][font=Consolas] AuthName "Nagios Access"[/font][/color]
[color=#ff0000][font=Consolas] AuthUserFile /usr/local/nagios/etc/htpasswd[/font][/color] [color=#ff0000][font=Consolas]//用于此目录访问身份验证的文件 [/font][/color]
[color=#ff0000][font=Consolas] Require valid-user [/font][/color]
[color=#ff0000][font=Consolas]</Directory> Alias /nagios[/font][/color] [font=Consolas][color=#ff0000]"/usr/local/nagios/share"[/color][/font]
[color=#ff0000][font=Consolas]<Directory "/usr/local/nagios/share"> [/font][/color]
[color=#ff0000][font=Consolas] AuthType Basic [/font][/color]
[color=#ff0000][font=Consolas] Options None [/font][/color]
[color=#ff0000][font=Consolas] AllowOverride None [/font][/color]
[color=#ff0000][font=Consolas] Order allow,deny [/font][/color]
[color=#ff0000][font=Consolas] Allow from all [/font][/color]
[color=#ff0000][font=Consolas] AuthName "nagios Access"[/font][/color]
[color=#ff0000][font=Consolas] AuthUserFile /usr/local/nagios/etc/htpasswd[/font][/color]
[color=#ff0000][font=Consolas] Require valid-user [/font][/color]
[color=#ff0000][font=Consolas]</Directory> [/font][/color]
[color=#ff0000][font=Consolas]#启动apache vim /etc/init.d/httpd[/font][/color] [font=Consolas][color=#ff0000]#!/bin/sh [/color][/font]
[font=Consolas][color=#ff0000]# [/color][/font]
[font=Consolas][color=#ff0000]# Startup script for the Apache Web Server [/color][/font]
[font=Consolas][color=#ff0000]# [/color][/font]
[font=Consolas][color=#ff0000]# chkconfig: 345 85 15 [/color][/font]
[font=Consolas][color=#ff0000]# description: Apache is a World Wide Web server. It is used to serve \ [/color][/font]nagios[font=宋体]配置[/font] [align=left][backcolor=rgb(248,248,248)][/backcolor][/align][font=Consolas][color=#ff0000]# HTML files and CGI. [/color][/font]
[font=Consolas][color=#ff0000]# processname: httpd [/color][/font]
[font=Consolas][color=#ff0000]# pidfile: /usr/local/apache2/logs/httpd.pid [/color][/font]
[color=#ff0000][font=Consolas]# config: /usr/local/apache2/conf/httpd.conf # Source function library. . /etc/rc.d/init.d/functions[/font][/color]
[color=#ff0000][font=Consolas]# See how we were called. [/font][/color]
[font=Consolas][color=#ff0000]case[/color][/font] [font=Consolas][color=#ff0000]"$1"[/color][/font] [font=Consolas][color=#ff0000]in[/color][/font]
[color=#ff0000][font=Consolas]start) echo[/font][/color] [color=#ff0000][font=Consolas]-n "Starting httpd: "[/font][/color]
[color=#ff0000][font=Consolas]daemon /usr/local/apache2/bin/httpd[/font][/color] [color=#ff0000][font=Consolas]-DSSL echo[/font][/color] [font=Consolas][color=#ff0000]touch[/color][/font] [font=Consolas][color=#ff0000]/var/lock/subsys/httpd[/color][/font]
[font=Consolas][color=#ff0000];; [/color][/font]
[color=#ff0000][font=Consolas]stop) echo[/font][/color] [color=#ff0000][font=Consolas]-n "Shutting down http: "[/font][/color]
[color=#ff0000][font=Consolas]killproc httpd echo[/font][/color] [font=Consolas][color=#ff0000]rm[/color][/font] [color=#ff0000][font=Consolas]-f /var/lock/subsys/httpd[/font][/color] [font=Consolas][color=#ff0000]rm[/color][/font] [color=#ff0000][font=Consolas]-f /usr/local/apache2/logs/httpd.pid [/font][/color]
[font=Consolas][color=#ff0000];; [/color][/font]
[font=Consolas][color=#ff0000]status) [/color][/font]
[font=Consolas][color=#ff0000]status httpd [/color][/font]
[font=Consolas][color=#ff0000];; [/color][/font]
[font=Consolas][color=#ff0000]restart) [/color][/font]
[font=Consolas][color=#ff0000]$0 stop [/color][/font]
[font=Consolas][color=#ff0000]$0 start [/color][/font]
[font=Consolas][color=#ff0000];; [/color][/font]
[color=#ff0000][font=Consolas]reload) echo[/font][/color] [color=#ff0000][font=Consolas]-n "Reloading httpd: "[/font][/color]
[color=#ff0000][font=Consolas]killproc httpd -HUP echo[/font][/color]
[font=Consolas][color=#ff0000];; [/color][/font]
[color=#ff0000][font=Consolas]*) echo[/font][/color] [font=Consolas][color=#ff0000]"Usage: $0 {start|stop|restart|reload|status}"[/color][/font] [font=Consolas][color=#ff0000]exit[/color][/font] [color=#ff0000][font=Consolas]1 esac[/font][/color]
[color=#ff0000][font=Consolas]exit[/font][/color] [font=Consolas][color=#ff0000]0 [/color][/font]
[color=#ff0000][font=Consolas]chmod[/font][/color] [color=#ff0000][font=Consolas]+x /etc/init.d/httpd[/font][/color]
[color=#ff0000][font=Consolas]chkconfig httpd on /etc/init.d/httpd[/font][/color] [font=Consolas][color=#ff0000]start[/color][/font]
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[/table]
接下来配置nagios
[ /jeremyxu2010/blog/281151#][color=#ff8373]?[/color][/url]
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[/td][td][color=#ff0000][font=Consolas]#确保admin用户登录后有权限查看信息 vim /usr/local/nagios/etc/cgi.cfg [/font][/color][font=Tahoma][font=宋体]监控软件[/font][/font] [align=left][backcolor=rgb(248,248,248)][/backcolor][/align][font=Consolas][color=#ff0000]... [/color][/font]
[font=Consolas][color=#ff0000]default_user_name=admin [/color][/font]
[font=Consolas][color=#ff0000]authorized_for_system_information=nagiosadmin,admin [/color][/font]
[font=Consolas][color=#ff0000]authorized_for_configuration_information=nagiosadmin,admin [/color][/font]
[font=Consolas][color=#ff0000]authorized_for_system_commands=admin [/color][/font]
[font=Consolas][color=#ff0000]authorized_for_all_services=nagiosadmin,admin [/color][/font]
[font=Consolas][color=#ff0000]authorized_for_all_hosts=nagiosadmin,admin [/color][/font]
[font=Consolas][color=#ff0000]authorized_for_all_service_commands=nagiosadmin,admin [/color][/font]
[font=Consolas][color=#ff0000]authorized_for_all_host_commands=nagiosadmin,admin [/color][/font]
[font=Consolas][color=#ff0000]... [/color][/font]
[color=#ff0000][font=Consolas]#修改nagios主配置文件,将主机的定义都放在/usr/local/nagios/etc/hosts目录中 [/font][/color]
[font=Consolas][color=#ff0000]mkdir[/color][/font] [font=Consolas][color=#ff0000]/usr/local/nagios/etc/hosts[/color][/font]
[color=#ff0000][font=Consolas]vim /usr/local/nagios/etc/nagios.cfg [/font][/color]
[font=Consolas][color=#ff0000]... [/color][/font]
[color=#ff0000][font=Consolas]cfg_dir=/usr/local/nagios/etc/hosts[/font][/color]
[font=Consolas][color=#ff0000]... [/color][/font]
[color=#ff0000][font=Consolas]#添加一个自定义命令 vim /usr/local/nagios/etc/objects/command.cfg [/font][/color]
[color=#ff0000][font=Consolas]... # 'check_custom_http' command definition define command{ [/font][/color]
[color=#ff0000][font=Consolas] command_name check_custom_http [/font][/color]
[color=#ff0000][font=Consolas] command_line $USER1$/check_http[/font][/color] [font=Consolas][color=#ff0000]-4 -N -H $ARG1$ -u $ARG2$ [/color][/font]
[color=#ff0000][font=Consolas] } [/font][/color]
[color=#ff0000][font=Consolas]# 'check_dns' command definition define command{ [/font][/color]
[color=#ff0000][font=Consolas] command_name check_dns [/font][/color]
[color=#ff0000][font=Consolas] command_line $USER1$/check_dns[/font][/color] [color=#ff0000][font=Consolas]-v[/font][/color] [font=Consolas][color=#ff0000]-H $ARG1$ -a $ARG2$ -w $ARG3$ -c $ARG4$ [/color][/font]
[color=#ff0000][font=Consolas] } [/font][/color]
[font=Consolas][color=#ff0000]... [/color][/font]
[color=#ff0000][font=Consolas]#定义主机组 vim /usr/local/nagios/etc/hosts/group.cfg [/font][/color]
[font=Consolas][color=#ff0000]define hostgroup{ [/color][/font]
[color=#ff0000][font=Consolas] hostgroup_name groupname1 [/font][/color]
[color=#ff0000][font=Consolas] alias[/font][/color] [font=Consolas][color=#ff0000]groupname1 [/color][/font]
[color=#ff0000][font=Consolas] members server1 #server1必须在/etc/hosts里有对应的映射 } [/font][/color][backcolor=rgb(248,248,248)][font=Tahoma] [/font][/backcolor][font=Tahoma][font="]nagios[/font][font=宋体]实施[/font][/font] [align=left][backcolor=rgb(248,248,248)][/backcolor][/align][color=#ff0000][font=Consolas]#定义主机server1 vim /usr/local/nagios/etc/hosts/server1.cfg [/font][/color]
[font=Consolas][color=#ff0000]define host{ [/color][/font]
[color=#ff0000][font=Consolas] use linux-server [/font][/color]
[color=#ff0000][font=Consolas] host_name server1 [/font][/color]
[color=#ff0000][font=Consolas] alias[/font][/color] [font=Consolas][color=#ff0000]server1 [/color][/font]
[color=#ff0000][font=Consolas] address xx.xx.xx.xx [/font][/color]
[color=#ff0000][font=Consolas] notification_period 24x7 [/font][/color]
[font=Consolas][color=#ff0000]} [/color][/font]
[font=Consolas][color=#ff0000]define service{ [/color][/font]
[color=#ff0000][font=Consolas] use local-service ; Name of service template to use [/font][/color]
[color=#ff0000][font=Consolas] host_name server1 [/font][/color]
[color=#ff0000][font=Consolas] service_description PING [/font][/color]
[color=#ff0000][font=Consolas] check_command check_ping!100.0,20%!500.0,60% ; 延时100ms丢包率大于20%时,则发出警告通知; 延时500ms丢包率大于60%时,则发出严重错误通知 [/font][/color]
[font=Consolas][color=#ff0000]} [/color][/font]
[color=#ff0000][font=Consolas];需要做好本机使用的DNS设置,在/etc/resolv.conf文件中定义 [/font][/color]
[font=Consolas][color=#ff0000]define service{ [/color][/font]
[color=#ff0000][font=Consolas] use local-service ; Name of service template to use [/font][/color]
[color=#ff0000][font=Consolas] host_name server1 [/font][/color]
[color=#ff0000][font=Consolas] service_description DNS [/font][/color]
[color=#ff0000][font=Consolas] check_command check_dns!xxx. !xx.xx.xx.xx!4!10 ;连续解析域名发生4次错误,则发出警告通知;连续解析域名发生10次错误,则发出严重错误通知; [/font][/color]
[font=Consolas][color=#ff0000]} [/color][/font]
[font=Consolas][color=#ff0000]define service{ [/color][/font]
[color=#ff0000][font=Consolas] use local-service ; Name of service template to use [/font][/color]
[color=#ff0000][font=Consolas] host_name server1 [/font][/color]
[color=#ff0000][font=Consolas] service_description HTTP [/font][/color]
[color=#ff0000][font=Consolas] check_command check_custom_http!xxx.abc.com!/somepath/path1[/font][/color] [font=Consolas][color=#ff0000];注意这里的参数要以!分隔 [/color][/font]
[font=Consolas][color=#ff0000]} [/color][/font]
[font=Consolas][color=#ff0000]define service{ [/color][/font]
[color=#ff0000][font=Consolas] use local-service ; Name of service template to use [/font][/color]
[color=#ff0000][font=Consolas] host_name server1 [/font][/color]
[color=#ff0000][font=Consolas] service_description SSH [/font][/color]
[color=#ff0000][font=Consolas] check_command check_ssh [/font][/color]
[font=Consolas][color=#ff0000]} [/color][/font]
[color=#ff0000][font=Consolas]#配置监控出现问题时要通知的联系人 vim /usr/local/nagios/etc/objects/contacts.cfg [/font][/color][font=Tahoma][font="]nagios[/font][font=宋体]培训[/font][/font] [align=left][backcolor=rgb(248,248,248)][/backcolor][/align]
[font=Consolas][color=#ff0000]define contact{ [/color][/font]
[color=#ff0000][font=Consolas] contact_name user1 ; Short name of user [/font][/color]
[color=#ff0000][font=Consolas] use generic-contact ; Inherit default values from generic-contact template (defined above) [/font][/color]
[color=#ff0000][font=Consolas] alias[/font][/color] [font=Consolas][color=#ff0000]user1 ; Full name of user [/color][/font]
[color=#ff0000][font=Consolas] email [url=mailto:user1@abc.com]user1@abc.com[/url] ; <<***** CHANGE THIS TO YOUR EMAIL ADDRESS ****** [/font][/color]
[color=#ff0000][font=Consolas] } [/font][/color]
[font=Consolas][color=#ff0000] [/color][/font]
[font=Consolas][color=#ff0000]define contact{ [/color][/font]
[color=#ff0000][font=Consolas] contact_name user2 ; Short name of user [/font][/color]
[color=#ff0000][font=Consolas] use generic-contact ; Inherit default values from generic-contact template (defined above) [/font][/color]
[color=#ff0000][font=Consolas] alias[/font][/color] [font=Consolas][color=#ff0000]user2 ; Full name of user [/color][/font]
[color=#ff0000][font=Consolas] email [url=mailto:user2@abc.com]user2@abc.com[/url] ; <<***** CHANGE THIS TO YOUR EMAIL ADDRESS ****** [/font][/color]
[color=#ff0000][font=Consolas] } [/font][/color]
[font=Consolas][color=#ff0000] [/color][/font]
[color=#ff0000][font=Consolas]define contactgroup{ [/font][/color]
[color=#ff0000][font=Consolas] contactgroup_name admins [/font][/color]
[color=#ff0000][font=Consolas] alias[/font][/color] [font=Consolas][color=#ff0000]Nagios Administrators [/color][/font]
[color=#ff0000][font=Consolas] members user1,user2 [/font][/color]
[color=#ff0000][font=Consolas] } [/font][/color]
[font=Consolas][color=#ff0000] [/color][/font]
[color=#ff0000][font=Consolas]重启nagios /etc/init.d/nagios[/font][/color] [font=Consolas][color=#ff0000]restart[/color][/font]
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刚才发现nagios监控到服务器异常也没有发邮件通知,查了一下,还需要配置mail命令可发送邮件
[ /jeremyxu2010/blog/281151#][color=#ff8373]?[/color][/url]
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[/td][td][color=#ff0000][font=Consolas]yum install[/font][/color] [font=Consolas][color=#ff0000]mail [/color][/font]
[color=#ff0000][font=Consolas]vim /etc/mail.rc [/font][/color]
[color=#ff0000][font=Consolas]... set[/font][/color] [color=#ff0000][font=Consolas]from=abc-noreply@abc.com set[/font][/color] [color=#ff0000][font=Consolas]smtp=smtp.abc.com set[/font][/color] [color=#ff0000][font=Consolas]smtp-auth-user=abc-noreply@abc.com set[/font][/color] [color=#ff0000][font=Consolas]smtp-auth-password=somepwd set[/font][/color] [font=Consolas][color=#ff0000]smtp-auth=login [/color][/font]
[font=Consolas][color=#ff0000]...[/color][/font]
[/td][/tr]
[/table]
[align=left][color=black][font=宋体]想做[/font][/color][color=black]Nagios[/color][color=black][font=宋体],[/font][/color][color=black] Zabbix,Cacti,iTop[/color][color=black][font=宋体]各种交流的,可以进入开源监控工具[/font][/color][color=black]Nagios[/color][color=black][font=宋体]交流[/font][/color][color=black] QQ[/color][color=black][font=宋体]群号[/font][/color][color=black] [/color][color=black][font=宋体]:[/font][/color][color=black]476809427[/color][/align] |