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nagios服务搭建及常见报错处理

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发表于 2019-1-14 09:16:01 | 显示全部楼层 |阅读模式
  搭建lamp
  

  安装epel源
  rpm -ivh http://dl.fedoraproject.org/pub/epel/5/x86_64/epel-release-5-4.noarch.rpm
  epel.repo epel-testing.repo
  修改epel.repo中的enable=1
  yum install -y mysqlmysql-server php-mysql httpd php php-pdo lm_sensors net-snmp php-snmpnet-snmp-utils perl-Net-Daemon perl-PlRPC perl-DBI rrdtool perl-rrdtoolperl-DBD-MySQL net-snmp-libs libart_lgpl-devel
  

  service httpdstart
  如果启动报错:[root@linux211yum.repos.d]# service httpd start
  Starting httpd: httpd:Could not reliably determine the server's fully qualified domain name, using192.168.2.211 for ServerName
  [  OK  ]
  vi /etc/httpd/conf/httpd.conf
  

  将ServerName www.example.com:80前面的注释去掉
  

  

  root@linux211 conf]# service httpd  start
  Starting httpd: [  OK  ]


  

  

  service mysqld start
  

  [root@linux211 conf]# service mysqld  start
  Initializing MySQL database:  Installing MySQL system tables...
  OK
  Filling help tables...
  OK
  

  To start mysqld at boot time you have to  copy
  support-files/mysql.server to the right  place for your system
  

  PLEASE REMEMBER TO SET A PASSWORD FOR THE  MySQL root USER !
  To do so, start the server, then issue  the following commands:
  /usr/bin/mysqladmin -u root password  'new-password'
  /usr/bin/mysqladmin -u root -h linux211  password 'new-password'
  

  Alternatively you can run:
  /usr/bin/mysql_secure_installation
  

  which will also give you the option of  removing the test
  databases and anonymous user created by  default.  This is
  strongly recommended for production  servers.
  

  See the manual for more instructions.
  

  You can start the MySQL daemon with:
  cd /usr ; /usr/bin/mysqld_safe &
  

  You can test the MySQL daemon with  mysql-test-run.pl
  cd mysql-test ; perl mysql-test-run.pl
  

  Please report any problems with the  /usr/bin/mysqlbug script!
  

  The latest information about MySQL is  available on the web at
  http://www.mysql.com
  Support MySQL by buying support/licenses  at http://shop.mysql.com
  [   OK  ]
  Starting mysqld:  [   OK  ]
  

  

  

  

  设置为开机启动
  chkconfig httpd on
  chkconfig mysqld on
  

  查看防火墙状态
  [root@linux211 conf]#  /etc/init.d/iptables status
  Firewall is stopped.
  

  如果没有关闭,就关闭防火墙
  /etc/init.d/iptablesstop
  验证lamp是否可用
  

  vim /var/www/html/index.php
  

  
  

  http://ip地址/index.php

  显示除了php的版本信息,说明lamp是可用的
  2.安装nagios
  

  groupadd nagcmd
  useradd -m nagios
  usermod -a -G nagcmdnagios
  把apache加入到nagcmd组,以便于在通过web Interface操作nagios时能够具有足够的权限
  usermod -a -G nagcmdapache
  

  下载Nagios,开始编译安装
  wget http://sourceforge.net/projects/nagios/?source=directory
  --2014-02-25  14:01:05--  http://sourceforge.net/projects/nagios/?source=directory
  Resolving  sourceforge.net... 216.34.181.60
  Connecting to  sourceforge.net|216.34.181.60|:80... connected.
  HTTP request sent,  awaiting response... 200 OK
  Length: 43274 (42K)  [text/html]
  Saving to: `index.html?source=directory'
  

  100%[=============================================================================================================================>]  43,274      51.3K/s   in 0.8s     
  

  2014-02-25 14:01:08  (51.3 KB/s) - `index.html?source=directory' saved [43274/43274]
  

  下载nagios安装包
  wget http://prdownloads.sourceforge.net/sourceforge/nagios
  /nagios-3.4.3.tar.gz
  tar -zxvfnagios-3.4.3.tar.gz
  cd nagios
  

  [root@linux211  nagios]# ./configure --with-command-group=nagcmd
  checking for a  BSD-compatible install... /usr/bin/install -c
  checking build system  type... x86_64-unknown-linux-gnu
  checking host system  type... x86_64-unknown-linux-gnu
  checking for gcc...  gcc
  checking for C  compiler default output file name... a.out
  checking whether the  C compiler works... yes
  checking whether we  are cross compiling... no
  checking for suffix  of executables...
  checking for suffix  of object files... o
  checking whether we  are using the GNU C compiler... yes
  checking whether gcc  accepts -g... yes
  checking for gcc  option to accept ANSI C... none needed
  checking whether make  sets $(MAKE)... yes
  checking for strip...  /usr/bin/strip
  checking how to run  the C preprocessor... gcc -E
  checking for egrep...  grep -E
  checking for ANSI C  header files... yes
  checking whether  time.h and sys/time.h may both be included... yes
  checking for  sys/wait.h that is POSIX.1 compatible... yes
  checking for  sys/types.h... yes
  checking for  sys/stat.h... yes
  checking for  stdlib.h... yes
  checking for  string.h... yes
  checking for  memory.h... yes
  checking for  strings.h... yes
  checking for  inttypes.h... yes
  checking for  stdint.h... yes
  checking for  unistd.h... yes
  checking arpa/inet.h  usability... yes
  checking arpa/inet.h  presence... yes
  checking for  arpa/inet.h... yes
  checking ctype.h  usability... yes
  checking ctype.h  presence... yes
  checking for  ctype.h... yes
  checking dirent.h  usability... yes
  checking dirent.h  presence... yes
  make all
  make[1]: Entering  directory `/root/nagios/base'
  gcc -Wall -g -O2  -DHAVE_CONFIG_H -DNSCORE   -c -o  broker.o broker.c
  gcc -Wall -g -O2  -DHAVE_CONFIG_H -DNSCORE   -c -o  nebmods.o nebmods.c
  gcc -Wall -g -O2  -DHAVE_CONFIG_H -DNSCORE -c -o ../common/shared.o ../common/shared.c
  gcc -Wall -g -O2  -DHAVE_CONFIG_H -DNSCORE   -c -o  checks.o checks.c
  make install
  make install-init
  make install-config
  makeinstall-commandmode
  实现在httpd的配置文件目录(conf.d)中创建Nagios的Web程序配置文件
  makeinstall-webconf
  创建一个登录nagios web程序的用户,这个用户帐号在以后通过web登录nagios认证时所用
  htpasswd -c/usr/local/nagios/etc/htpasswd.users nagiosadmin
  New password:
  Re-type new password:  
  Adding password for  user nagiosadmin
  以上过程配置结束以后需要重新启动httpd:
  servicehttpd restart
  

  Stopping httpd:  [  OK   ]
  Starting httpd:  [  OK   ]
  

  

  

  

  编译、安装nagios-plugins
  下载安装包
  wget http://assets.nagios.com/downloads/nagiosplugins/
  nagios-plugins-1.5.tar.gz
  tar -zxvfnagios-plugins-1.5.tar.gz
  cd nagios-plugins-1.5
  ./configure --with-nagios-user=nagios--with-nagios-group=nagios
  make
  make install
  

  

  

  把nagios添加为系统服务并将之加入到自动启动服务队列
  chkconfig --add nagios
chkconfig nagios on
  

  

  

  检查其主配置文件的语法是否正确
  

  /usr/local/nagios/bin/nagios-v /usr/local/nagios/etc/nagios.cfg
  

  

  

  Checking contact groups...
          Checked 1 contact groups.
  Checking service  escalations...
          Checked 0 service escalations.
  Checking service  dependencies...
          Checked 0 service dependencies.
  Checking host  escalations...
          Checked 0 host escalations.
  Checking host  dependencies...
          Checked 0 host dependencies.
  Checking commands...
          Checked 24 commands.
  Checking time  periods...
          Checked 5 time periods.
  Checking for circular  paths between hosts...
  Checking for circular  host and service dependencies...
  Checking global event  handlers...
  Checking obsessive  compulsive processor commands...
  Checking misc  settings...
  

  Total Warnings: 0
  Total Errors:   0
  

  Things look okay - No  serious problems were detected during the pre-flight check
  

  

  启动nagios服务
  service nagios start


  安装NRPE
  wget  http://prdownloads.sourceforge.net/sourceforge/
  nagios/nrpe-2.13.tar.gz
  tar -zxvfnrpe-2.13.tar.gz
  cd nrpe-2.13
  ./configure
  checking for initgroups...  yes
  checking for  closesocket... no
  checking for  socklen_t... yes
  checking for type of  socket size... size_t
  checking for SSL  headers... SSL headers found in /usr/local/ssl
  checking for SSL  libraries... configure: error: Cannot find ssl libraries
  安装缺失的库
  yum -y installopenssl-devel
  然后重新执行./configure就ok啦
  checking for  strtoul... yes
  checking for  initgroups... yes
  checking for  closesocket... no
  checking for  socklen_t... yes
  checking for type of  socket size... size_t
  checking for SSL  headers... SSL headers found in /usr/local/ssl
  checking for SSL  libraries... SSL libraries found in /usr/lib64
  

  *** Generating DH  Parameters for SSL/TLS ***
  Generating DH  parameters, 512 bit long safe prime, generator 2
  This is going to take  a long time
  ........................+......................+.+......................+........................................+....................+.......+.....+............+........................................................................++*++*++*++*++*++*
  checking for Kerberos  include files... could not find include files
  checking for perl...  /usr/bin/perl
  configure: creating  ./config.status
  config.status:  creating Makefile
  config.status:  creating src/Makefile
  config.status:  creating subst
  config.status:  creating include/config.h
  

  

  *** Configuration  summary for nrpe 2.13 11-11-2011 ***:
  

   General Options:
   -------------------------
   NRPE port:     5666
   NRPE user:     nagios
   NRPE group:    nagios
   Nagios user:   nagios
   Nagios group: nagios
  

  

  Review the options  above for accuracy.  If they look okay,
  type 'make all' to  compile the NRPE daemon and client.
  

  make all
  cp src/check_nrpe/usr/local/nagios/libexec/
  

  至此服务端搭建成功
  

  

  

  客户端配置
  tar -zxvfnagios-plugins-1.5.tar.gz
  cd nagios-plugins-1.5
  /configure--with-nagios-user=nagios --with-nagios-group=nagios
  make
  报错
  /usr/bin/install:  invalid user `nagios'
  make[2]: ***  [install-libexecPROGRAMS] Error 1
  make[2]: Leaving  directory `/opt/nagios/nagios-plugins-1.5/plugins'
  make[1]: ***  [install-am] Error 2
  make[1]: Leaving  directory `/opt/nagios/nagios-plugins-1.5/plugins'
  make: ***  [install-recursive] Error 1
  解决办法如下
  useradd nagios
  mkdir /usr/local/nagios 如果目录存在就不需要创建了
  chown nagios:nagios/usr/local/nagios
  ll /usr/local
  make
  make install
  

  

  安装NRPE
  tar -zxvfnrpe-2.13.tar.gz
  cd nrpe-2.13
  ./configure
   make all
   make install-plugin
   make install-daemon
make install-daemon-config
   make install-xinetd
cp src/check_nrpe /usr/local/nagios/libexec/
   vim /usr/local/nagios/etc/nrpe.cfg
allowed_hosts=127.0.0.1,server IP




vim /etc/xinetd.d/nrpe
  # default: on
  # description: NRPE (Nagios Remote PluginExecutor)
  service nrpe
  {
         flags           = REUSE
         socket_type     = stream
         port            = 5666
         wait            = no
         user            = nagios
         group           = nagios
         server          =/usr/local/nagios/bin/nrpe
         server_args     = -c/usr/local/nagios/etc/nrpe.cfg --inetd
         log_on_failure  += USERID
         disable         = no
         only_from       = 127.0.0.1 192.168.2.211
  

  

  

  vim /etc/services
  nrpe            5666/tcp                        #nrpe
  

  service xinetd star
  [root@tomcat1  nrpe-2.13]# service xinetd start
  xinetd: unrecognized  service
  报错处理
  yum -y install xinetd
  安装成功之后执行
  service xinetd star
  

  [root@tomcat1 nrpe-2.13]#  service xinetd start
  Starting xinetd:  [  OK   ]
  

  测试NRPE是否正常工作
  /usr/local/nagios/libexec/check_nrpe-H 127.0.0.1
  root@tomcat1  nrpe-2.13]# /usr/local/nagios/libexec/check_nrpe -H 127.0.0.1
  NRPE v2.13
  

  cd /usr/local/nagios/
  ls
  cd etc/
  ll
  mkdir objects
  为服务端增加NRPE命令
  vi commands.cfg
  

  

  define command {
       command_name check_nrpe
       command_line    $USER1$/check_nrpe -H $HOSTADDRESS$-c $ARG1$
}
  





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