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nagios安装配置说明（一）

Nagios安装配置说明

  • 修改YUM源为国内sohu的站点；

    为余庆等地区用户提供了全套网页设计制作服务，及余庆网站建设行业解决方案。主营业务为成都网站设计、成都网站建设、外贸网站建设、余庆网站设计，以传统方式定制建设网站，并提供域名空间备案等一条龙服务，秉承以专业、用心的态度为用户提供真诚的服务。我们深信只要达到每一位用户的要求，就会得到认可，从而选择与我们长期合作。这样，我们也可以走得更远！

[root@nagios ~]# cd/etc/yum.repos.d/

[root@nagios yum.repos.d]# ls

CentOS-Base.repo  CentOS-Debuginfo.repo  CentOS-Media.repo  CentOS-Vault.repo

[root@nagios yum.repos.d]# mvCentOS-Base.repo CentOS-Base.repo.backup

[root@nagios yum.repos.d]# wgethttp://mirrors.sohu.com/help/CentOS-Base-sohu.repo

--2014-06-08 22:34:38-- http://mirrors.sohu.com/help/CentOS-Base-sohu.repo

Resolving mirrors.sohu.com...119.188.36.70

Connecting tomirrors.sohu.com|119.188.36.70|:80... connected.

HTTP request sent, awaitingresponse... 200 OK

Length: 2299 (2.2K)[application/octet-stream]

Saving to:`CentOS-Base-sohu.repo'

 

100%[===================================================================================>]2,299       --.-K/s   in 0.1s   

 

2014-06-08 22:34:43 (20.6 KB/s)- `CentOS-Base-sohu.repo' saved [2299/2299]

 

[root@nagios yum.repos.d]# ls

CentOS-Base-sohu.repo  CentOS-Base.repo.backup  CentOS-Debuginfo.repo  CentOS-Media.repo  CentOS-Vault.repo

[root@nagios yum.repos.d]# mv CentOS-Base-sohu.repoCentOS-Base.repo

 

  • 解决perl编译问题；

[root@nagios ~]# echo 'exportLC_ALL=C'>> /etc/profile

[root@nagios ~]# tail -1/etc/profile

export LC_ALL=C

[root@nagios ~]# source/etc/profile

[root@nagios ~]# echo $LC_ALL

C

 

  • 关闭iptables防火墙；

[root@nagios ~]#/etc/init.d/iptables stop

[root@nagios ~]#/etc/init.d/iptables status

iptables: Firewall is notrunning.

[root@nagios ~]# chkconfigiptables off

[root@nagios ~]# chkconfig--list|grep iptables

iptables             0:off 1:off 2:off 3:off 4:off 5:off 6:off

 

  • 关闭selinux；

[root@nagios ~]# cat /etc/selinux/config

 

# This file controls the stateof SELinux on the system.

# SELINUX= can take one ofthese three values:

#     enforcing - SELinux security policy isenforced.

#     permissive - SELinux prints warningsinstead of enforcing.

#     disabled - No SELinux policy is loaded.

SELINUX=enforcing

# SELINUXTYPE= can take one ofthese two values:

#     targeted - Targeted processes areprotected,

#     mls - Multi Level Security protection.

SELINUXTYPE=targeted

 

 

[root@nagios ~]# sed -i 's#SELINUX=enforcing#SELINUX=disabled#g'/etc/selinux/config

[root@nagios ~]# cat/etc/selinux/config

 

# This file controls the stateof SELinux on the system.

# SELINUX= can take one ofthese three values:

#     enforcing - SELinux security policy is enforced.

#     permissive - SELinux prints warningsinstead of enforcing.

#     disabled - No SELinux policy is loaded.

SELINUX=disabled

# SELINUXTYPE= can take one ofthese two values:

#     targeted - Targeted processes areprotected,

#     mls - Multi Level Security protection.

SELINUXTYPE=targeted

 

[root@nagios ~]# setenforce 0

[root@nagios ~]# getenforce

Disabled

 

五、解决时间同步问题；

[root@nagios ~]#/usr/sbin/ntpdate pool.net.org   #更新当前时间

 8 Jun 22:55:22 ntpdate[2165]: no serversuitable for synchronization found

[root@nagios ~]# echo '#timesync by jerry at 20140131'>> /var/spool/cron/root

[root@nagios ~]# echo '*/10 * ** * /usr/sbin/ntpdate pool.ntp.org >/dev/null 2>&1'>>/var/spool/cron/root

[root@nagios ~]# crontab -l

#time sync by jerry at 20140131

*/10 * * * * /usr/sbin/ntpdatepool.ntp.org >/dev/null 2>&1

 

六、安装nagios所需的基础软件包；

[root@nagios ~]# yum installgcc glibc glibc-common gd gd-devel MySQL* httpd php php-gd –y

 

七、创建用户和组；

[root@nagios ~]# useradd nagios

[root@nagios ~]# groupaddnagcmd

[root@nagios ~]# usermod -a -Gnagcmd nagios

[root@nagios ~]# usermod -a -Gnagcmd apache

 

八、创建软件存放文件夹及下载相关软件；

[root@nagios tools]#mkdir –p /home/jerry/tools

[root@nagios tools]#cd/home/jerry/tools

 

九、解压并安装nagios；

[root@nagios tools]# tar zxfnagios-3.5.0-1374045102000.tar.gz

[root@nagios tools]# ls                                  

nagios  nagios-3.5.0-1374045102000.tar.gz  nagios-plugins-1.5.tar.gz

[root@nagios tools]# cd nagios

[root@nagios nagios]#./configure --with-command-group=nagcmd

[root@nagios nagios]# make all

[root@nagios nagios]# makeinstall

[root@nagios nagios]# makeinstall-init

[root@nagios nagios]# makeinstall-config

[root@nagios nagios]# makeinstall-commandmode

 

十、安装nagios web 配置文件及创建登陆用户；

[root@nagios nagios]# makeinstall-webconf

/usr/bin/install -c -m 644sample-config/httpd.conf /etc/httpd/conf.d/nagios.conf

 

*** Nagios/Apache conf fileinstalled ***

[root@nagios nagios]# grep -v"#" /etc/httpd/conf.d/nagios.conf

 

ScriptAlias /nagios/cgi-bin"/usr/local/nagios/sbin"

 

   Options ExecCGI

   AllowOverride None

   Order allow,deny

   Allow from all

   AuthName "Nagios Access"

   AuthType Basic

   AuthUserFile/usr/local/nagios/etc/htpasswd.users

   Require valid-user

 

Alias /nagios"/usr/local/nagios/share"

 

   Options None

   AllowOverride None

   Order allow,deny

   Allow from all

   AuthName "Nagios Access"

   AuthType Basic

   AuthUserFile/usr/local/nagios/etc/htpasswd.users

   Require valid-user

 

[root@nagios nagios]# htpasswd-c /usr/local/nagios/etc/htpasswd.users nagiosadmin

New password:

Re-type new password:

Adding password for usernagiosadmin

 

十一、添加监控报警的接收email地址；

[root@nagios nagios]# vim/usr/local/nagios/etc/objects/contacts.cfg +35

email                           nagios@localhost

更改为

email                           46718718@qq.com

 

 

1.       启动sendmail时时间过长请检查主机名是否一致

[root@nagios nagios]#/etc/init.d/sendmail start

Starting sendmail: ^C

[root@nagios nagios]# cat/etc/hosts

127.0.0.1   localhost localhost.localdomain localhost4localhost4.localdomain4

::1         localhost localhost.localdomainlocalhost6 localhost6.localdomain6

[root@nagios nagios]# uname -n

Nagios

修改为：

[root@nagios nagios]# cat/etc/hosts

127.0.0.1   nagios localhost.localdomain localhost4 localhost4.localdomain4

::1         localhost localhost.localdomainlocalhost6 localhost6.localdomain6

 

[root@nagios nagios]#/etc/init.d/sendmail start

Starting sendmail:                                         [  OK  ]

Starting sm-client:                                        [  OK  ]

[root@nagios nagios]# lsof -i:25

COMMAND  PID USER  FD   TYPE DEVICE SIZE/OFF NODENAME

master  1771 root  12u  IPv4  11293     0t0  TCP nagios:smtp (LISTEN)

master  1771 root  13u  IPv6  11295     0t0  TCP localhost:smtp (LISTEN)

[root@nagios nagios]# chkconfigsendmail on

[root@nagios nagios]# chkconfig--list|grep sendmail

sendmail           0:off 1:off 2:on 3:on 4:on 5:on 6:off

 

2.       启动apache;

[root@nagios nagios]# netstat-lnt|grep 80

tcp        0     0 :::80                      :::*                        LISTEN     

[root@nagios nagios]# chkconfig--list|grep httpd

httpd              0:off 1:off 2:off 3:off 4:off 5:off 6:off

[root@nagios nagios]# chkconfighttpd on

[root@nagios nagios]# chkconfig--list|grep httpd

httpd              0:off 1:off 2:on 3:on 4:on 5:on 6:off

 

打开浏览器输入http://server-ip/nagios  会有一个用户名密码提示窗口，输入之前创建的用户名密码即可进入nagios系统页面。


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