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Nagios客户端安装

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发表于 2015-11-23 09:40:51 | 显示全部楼层 |阅读模式
  
  
  Nagios客户端安装
  
  
  
  目录
  1概述... 1
  a.naglos客户端无需安装lamp环境...1
  b.nagios客户端无需安装nagios服务端软件包...1
  c.nagios客户端需要多安装如下软件包...1
  d.客户端总共需要安装的软件有...1
  2Nagios客户端安装... 1
  步骤1:配置yum..1
  步骤2:配置profile.1
  步骤3:关闭防火墙...1
  步骤4:配置时间同步config time sync. 1
  步骤5:添加nagios用户... 1
  步骤6:解压nagios软件... 1
  步骤7:安装nagio-plugins.1
  步骤8:安装nrpe.1
  步骤9:安装iostat软件...1
  步骤10:修改nrep.conf1
  步骤11:启动nagios客户端... 1
  3错误收集:... 1
  
  
  
  
  
1 概述
  
  和nagios服务端相比,nagios客户端不需要安装如下内容:
  
a.naglos客户端无需安装lamp环境
  
  yum install gd gd-devel -y
  yum install mysql* -y
  yum install httpd php php-gd -y
  
  
b.nagios客户端无需安装nagios服务端软件包
  
  nagios-3.5.1.tar.gz
  
  
c.nagios客户端需要多安装如下软件包
  
  Class-Accessor-0.31.tar.gz
  Config-Tiny-2.12.tar.gz
  Math-Calc_Units-1.07.tar.gz
  Nagios-Plugin-0.34.tar.gz
  Params-Validate-0.91.tar.gz
  Regexp-Common-2010010201.tar.gz
  check_iostat
  check_memory.pl
  nrpe-2.12.tar.gz
  
  
d.客户端总共需要安装的软件有
  
  
  yum install gcc glibc glibc-common -y
  yum install mysql* -y
  
  nagios-plugins-1.4.16.tar.gz
  nrpe-2.12.tar.gz
  Class-Accessor-0.31.tar.gz
  Config-Tiny-2.12.tar.gz
  Math-Calc-Units-1.07.tar.gz
  Nagios-Plugin-0.34.tar.gz
  Params-Validate-0.91.tar.gz
  Regexp-Common-2010010201.tar.gz
  check_iostat
  check_memory.pl
  
  
  
  
  
  
2 Nagios客户端安装
  
  
  
  
步骤1:配置yum
  
  
  [iyunv@nagios ~]# cd /etc/yum.repos.d/
  [iyunv@nagiosyum.repos.d]# wget -O /etc/yum.repos.d/CentOS-Base.repo  http://mirrors.aliyun.com/repo/Centos-6.repo
  
  
  
  
步骤2:配置profile
  
  [iyunv@nagios yum.repos.d]# echo 'exportLC_ALL=C'>> /etc/profile
  [iyunv@nagios yum.repos.d]# source /etc/profile
  [iyunv@nagios yum.repos.d]#
  
  
步骤3:关闭防火墙
  
  [iyunv@nagios yum.repos.d]#
  [iyunv@nagiosyum.repos.d]# /etc/init.d/iptables stop
  [iyunv@nagiosyum.repos.d]# chkconfig iptables off
  [iyunv@nagios yum.repos.d]#
  [iyunv@nagios yum.repos.d]#
  [iyunv@nagiosyum.repos.d]# setenforce 0
  [iyunv@nagiosyum.repos.d]# vi /etc/selinux/config
  
  
  # This file controls the state of SELinux on thesystem.
  # SELINUX= can take one of these three values:
  #    enforcing - SELinux security policy is enforced.
  #    permissive - SELinux prints warnings instead of enforcing.
  #    disabled - No SELinux policy is loaded.
  SELINUX=disabled
  # SELINUXTYPE= can take one of these two values:
  #    targeted - Targeted processes are protected,
  "/etc/selinux/config" 13L, 457C written
  [iyunv@nagios yum.repos.d]#
  
  
步骤4:配置时间同步 config time sync
  
  
  [iyunv@nagios ~]#
  [iyunv@nagios~]# /usr/sbin/ntpdate pool.ntp.org
  [iyunv@nagios~]# echo '#time sync by oldboy at 2015-07-01'>>/var/spool/cron/root
  [iyunv@nagios~]# echo '*/10 * * * * /usr/sbin/ntpdate pool.ntp.org >/dev/null2>&1'>>/var/spool/cron/root
  [iyunv@nagios~]# crontab -l
  
  
  
  
步骤5: 添加nagios用户
  
  
  echo"------ step 1: add nagios user------"
  #createuser group
  /usr/sbin/useradd-m nagios -s /sbin/nologin
  
  
  #create user group
  /usr/sbin/useradd -m nagios -s/sbin/nologin
  
  
  
步骤6:解压nagios 软件
  
  
  echo "------ step 2: unzip nagiossoft------"
  mkdir -p/home/oldboy/tools/
  cd/home/oldboy/tools/
  [  ! -f ./oldboy_training_nagios_soft.zip ]&&{
  echo"nagios soft is not exist."
  exit 1
  }
  /bin/cpoldboy_training_nagios_soft.zip /home/oldboy/tools/
  cd/home/oldboy/tools/
  
  
  
  
  
  
  
  
  
步骤7:安装nagio-plugins
  
  
  echo"------ step 3: install nagios-plugins------"
  yum -yinstall perl-devel
  tar zxfnagios-plugins-1.4.16.tar.gz
  cdnagios-plugins-1.4.16
  ./configure--prefix=/usr/local/nagios --enable-perl-modules--enable-redhat-pthread-workaround
  make&& make install
  cd ../
  ls/usr/local/nagios/libexec/|wc -l
  
  
  
  
步骤8:安装nrpe
  
  和服务端一样
  
  echo "------ step 4: install nrpe------"
  
  cd/home/oldboy/tools/
  tar zxfnrpe-2.12.tar.gz
  cdnrpe-2.12
  ./configure
  make all
  makeinstall-plugin
  makeinstall-daemon
  makeinstall-daemon-config
  cd ..
  
  
  
  
  
步骤9:安装iostat软件
  
  
  
  
  echo"------ step 4: install soft for iostat------"
  cd/home/oldboy/tools/
  tar zxvfParams-Validate-0.91.tar.gz
  cdParams-Validate-0.91
  perlMakefile.PL
  make  
  makeinstall
  cd ..
  #----------------------------------------
  cd/home/oldboy/tools/
  tar zxvfClass-Accessor-0.31.tar.gz
  cdClass-Accessor-0.31
  perlMakefile.PL
  make
  makeinstall
  cd ..
  #----------------------------------------
  cd/home/oldboy/tools/
  tar zxvfConfig-Tiny-2.12.tar.gz
  cdConfig-Tiny-2.12
  perlMakefile.PL
  make
  makeinstall
  cd ..
  #----------------------------------------
  cd/home/oldboy/tools/
  tar zxvfMath-Calc-Units-1.07.tar.gz
  cdMath-Calc-Units-1.07
  perlMakefile.PL
  make
  makeinstall
  cd ..
  #----------------------------------------
  cd/home/oldboy/tools/
  tar zxvfRegexp-Common-2010010201.tar.gz
  cdRegexp-Common-2010010201
  perlMakefile.PL
  make
  makeinstall
  cd ..
  #----------------------------------------
  cd/home/oldboy/tools/
  tar zxvfNagios-Plugin-0.34.tar.gz
  cdNagios-Plugin-0.34
  perlMakefile.PL
  make
  makeinstall
  cd ..
  #______________________
  
  #formonitor iostat
  yuminstall sysstat -y
  
  /bin/cp/home/oldboy/tools/check_memory.pl /usr/local/nagios/libexec
  /bin/cp/home/oldboy/tools/check_iostat /usr/local/nagios/libexec
  
  chmod755 /usr/local/nagios/libexec/check_memory.pl
  chmod755 /usr/local/nagios/libexec/check_iostat
  
  dos2unix/usr/local/nagios/libexec/check_memory.pl
  dos2unix/usr/local/nagios/libexec/check_iostat
  ##################################################
  
  
  
  或者参考如下:
  #安装其它相关的插件
  cd /home/oldboy/tools/oldboy_nagios/
  tarzxvf Params-Validate-0.91.tar.gz
  cd Params-Validate-0.91
  perl Makefile.PL
  make
  make install
  cd ..
  #--------------------------------------
  cd /home/oldboy/tools/oldboy_nagios/
  tarzxvf Class-Accessor-0.31.tar.gz
  cd Class-Accessor-0.31
  perl Makefile.PL
  make
  make install
  cd ..
  #--------------------------------------
  cd /home/oldboy/tools/oldboy_nagios/
  tarzxvf Config-Tiny-2.12.tar.gz
  cd Config-Tiny-2.12
  perl Makefile.PL
  make
  make install
  cd ..
  #--------------------------------------
  cd /home/oldboy/tools/oldboy_nagios/
  tarzxvf Math-Calc-Units-1.07.tar.gz
  cd Math-Calc-Units-1.07
  perl Makefile.PL
  make
  make install
  cd ..
  #--------------------------------------
  cd /home/oldboy/tools/oldboy_nagios/
  tarzxvf Regexp-Common-2010010201.tar.gz
  cd Regexp-Common-2010010201
  perl Makefile.PL
  make
  make install
  cd ..
  #--------------------------------------
  cd /home/oldboy/tools/oldboy_nagios/
  tarzxvf Nagios-Plugin-0.34.tar.gz
  cd Nagios-Plugin-0.34
  perl Makefile.PL
  make
  make install
  cd ..
  #--------------------------------------
  
  #for monitor iostat
  yuminstall sysstat -y
  
  注*:上文提到的各种插件本文附带了一个大的软件包,用户也可自行去下载
  
  
  配置开发的几个基础脚本插件
  #注意路径
  /bin/cp/home/oldboy/tools/oldboy_nagios/check_memory.pl /usr/local/nagios/libexec
  /bin/cp/home/oldboy/tools/oldboy_nagios/check_iostat /usr/local/nagios/libexec
  
  chmod755 /usr/local/nagios/libexec/check_memory.pl
  chmod755 /usr/local/nagios/libexec/check_iostat
  
  dos2unix/usr/local/nagios/libexec/check_memory.pl
  dos2unix/usr/local/nagios/libexec/check_iostat
  
  
  [iyunv@client01 oldboy_nagios]#
  [iyunv@client01oldboy_nagios]# ls /usr/local/nagios/libexec/|wc -l
  62
  [iyunv@client01 oldboy_nagios]#
  
  
  
  
  
  
步骤10:修改nrep.conf
  
  echo "------ step 5: 修改nrpe.cfg------"
  perl -pi-e 's/allowed_hosts=127.0.0.1/allowed_hosts=127.0.0.1,192.168.1.19/g'/usr/local/nagios/etc/nrpe.cfg
  
  #delete 199--203
  cp/usr/local/nagios/etc/nrpe.cfg /usr/local/nagios/etc/nrpe.cfg.ori
  sed -i'199,203d' /usr/local/nagios/etc/nrpe.cfg
  
  echo"command[check_load]=/usr/local/nagios/libexec/check_load -w 15,10,6 -c30,25,20">>/usr/local/nagios/etc/nrpe.cfg
  echo"command[check_mem]=/usr/local/nagios/libexec/check_memory.pl -w 6% -c3%">>/usr/local/nagios/etc/nrpe.cfg
  echo"command[check_disk]=/usr/local/nagios/libexec/check_disk -w 20% -c 8% -p/">>/usr/local/nagios/etc/nrpe.cfg
  echo"command[check_swap]=/usr/local/nagios/libexec/check_swap -w 20% -c10%">>/usr/local/nagios/etc/nrpe.cfg
  echo"command[check_iostat]=/usr/local/nagios/libexec/check_iostat -w 6 -c10">>/usr/local/nagios/etc/nrpe.cfg
  
  
  或者通过如下方法:
  
  [iyunv@client01 oldboy_nagios]#
  [iyunv@client01oldboy_nagios]# cd /usr/local/nagios/etc/
  [iyunv@client01 etc]# ls
  nrpe.cfg
  [iyunv@client01etc]# cp nrpe.cfg nrpe.cfg.ori
  [iyunv@client01etc]# vi nrpe.cfg +79
  
  #加入可以监控该服务器的nagios server端的IP
  allowed_hosts=127.0.0.1,192.168.1.19  #主机的IP
  
  #shift+g到结尾
  #注释掉或者干脆删除199-203行即下面几行
  #command[check_users]=/usr/local/nagios//libexec/check_users-w 5 -c 10
  #command[check_load]=/usr/local/nagios//libexec/check_load-w 15,10,5 -c 30,25,20
  #command[check_hda1]=/usr/local/nagios//libexec/check_disk-w 20% -c 10% -p /dev/hda1
  #command[check_zombie_procs]=/usr/local/nagios//libexec/check_procs-w 5 -c 10 -s Z
  #command[check_total_procs]=/usr/local/nagios//libexec/check_procs-w 150 -c 200
  
  
  #同时在下面新添加要监控的内容:
  echo"command[check_load]=/usr/local/nagios/libexec/check_load -w 15,10,6 -c30,25,20">>/usr/local/nagios/etc/nrpe.cfg
  echo"command[check_mem]=/usr/local/nagios/libexec/check_memory.pl -w 6% -c3%">>/usr/local/nagios/etc/nrpe.cfg
  echo"command[check_disk]=/usr/local/nagios/libexec/check_disk -w 20% -c 8% -p/">>/usr/local/nagios/etc/nrpe.cfg
  echo"command[check_swap]=/usr/local/nagios/libexec/check_swap -w 20% -c10%">>/usr/local/nagios/etc/nrpe.cfg
  echo"command[check_iostat]=/usr/local/nagios/libexec/check_iostat -w 6 -c10">>/usr/local/nagios/etc/nrpe.cfg
  
  
  
  
步骤11:启动nagios 客户端
  
  
  echo "------ step 6: start nagiosclient------"
  #startnagios client
  pkillnrpe
  sleep 2
  /usr/local/nagios/bin/nrpe-c /usr/local/nagios/etc/nrpe.cfg -d
  echo  "#nagios nrpe process cmd by oldboy2012-6-7" >> /etc/rc.local
  echo"/usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg-d">>/etc/rc.local
  netstat-lnt|grep 5666 && echo "nagios client is ok"
  
  
  或者:
  启动:nagios client
  /usr/local/nagios/bin/nrpe -c/usr/local/nagios/etc/nrpe.cfg -d
  echo "/usr/local/nagios/bin/nrpe -c/usr/local/nagios/etc/nrpe.cfg -d" >> /etc/rc.local
  ps -ef|grep nagios
  nagios 28466 1 0 21:50 ? 00:00:00/usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d
  注意:
  1、#执行完启动命令,进行检查是个良好的习惯
  2、tips:重起nagios nrpe组合命令
  pkill nrpe && /usr/local/nagios/bin/nrpe -c/usr/local/nagios/etc/nrpe.cfg -d
  
  
  另外注意防火墙要允许5666端口加到/etc/sysconfig/iptables里,重起iptables.
  vi /etc/sysconfig/iptables
  -A INPUT -p udp --dport 5666 -j ACCEPT
  -A INPUT -s 10.0.0.0/255.255.255.0 -p tcp -m tcp -jACCEPT
  -A INPUT -s 10.0.0.0/255.255.255.0 -p udp -m udp -jACCEPT
  
  测试环境,建议最好先把iptables关掉,等nagios都测试通了在来调试iptables,否则给学习测试增加了复杂度。关闭命令/etc/init.d/iptables stop
  
  
  
  
  
  
  
  
3 错误收集:
  错误1
  [iyunv@client01 oldboy_nagios]# dos2unix/usr/local/nagios/libexec/check_memory.pl
  -bash: dos2unix: command not found
  [iyunv@client01 oldboy_nagios]#
  处理方法:
  yuminstall dos2unix -y
  
  
  
  
  4 参见文档:
  ww.bkjia.com/xtzh/973463.html
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  

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