1.配置好yum源，为了提高效率建议搭建本地yum源
yum install -y http* yum install -y mysql* yum install -y php-* yum install -y net-snmp* yum install -y httpd gcc glibc glibc-common gd gd-devel php php-gd ntp2.安装nagios相关软件
#!/bin/sh NAGIOS_TOOLS_DIR=/home/oldboy/tools NAGIOS_INSTALL_DIR=/usr/local/nagios echo "------ step 2: config profile------" echo 'export LC_ALL=C'>> /etc/profile source /etc/profile echo "------ step 3: stop iptables and selinux------" /etc/init.d/iptables stop /etc/init.d/iptables stop chkconfig iptables off setenforce 0 if [ -f /etc/selinux/config ]; then sed -i 's#SELINUX=enforcing#SELINUX=disabled#g' /etc/selinux/config setenforce 0 fi echo "------ step 4: config time sync------" /usr/sbin/ntpdate pool.ntp.org echo '#time sync by oldboy at 2010-2-1'>>/var/spool/cron/root echo '*/10 * * * * /usr/sbin/ntpdate pool.ntp.org >/dev/null 2>&1'>>/var/spool/cron/root crontab -l echo "------ step 5: install gcc and lamp env etc------" yum install gcc glibc glibc-common -y yum install gd gd-devel -y yum install httpd php php-gd -y yum install mysql* -y echo "------ step 6: add nagios user and group------" /usr/sbin/useradd -m nagios #/usr/sbin/useradd apache /usr/sbin/groupadd nagcmd /usr/sbin/usermod -a -G nagcmd nagios /usr/sbin/usermod -a -G nagcmd apache echo "------ step 7: download and install nagios------" cd /home/oldboy/tools [ ! -f oldboy_training_nagios_soft.zip ] && exit 1 unzip oldboy_training_nagios_soft.zip tar xzf nagios-3.5.1.tar.gz cd nagios ./configure --with-command-group=nagcmd make all make install make install-init make install-config make install-commandmode make install-webconf cd ../ echo "------ step 8: config web auth------" htpasswd -cb /usr/local/nagios/etc/htpasswd.users oldboy 123456 echo "------ step 9: install nagios-plugins------" yum -y install perl-devel tar zxf nagios-plugins-1.4.16.tar.gz cd nagios-plugins-1.4.16 ./configure --with-nagios-user=nagios --with-nagios-group=nagios --enable-perl-modules make && make install cd ../ ls /usr/local/nagios/libexec/|wc -l echo "------ step 10: install nrpe------" tar zxvf nrpe-2.12.tar.gz cd nrpe-2.12 ./configure make all make install-plugin make install-daemon make install-daemon-config cd .. echo "------ step 11: startup service and check------" /etc/init.d/nagios start /etc/init.d/httpd start echo ----------- lsof -i tcp:80 echo ---------- ps -ef|grep nagios echo "NAGIOS is successfully installed." echo ok3.安装cacti
①安装cacti依赖的软件 yum -y install mysql mysql-server mysql-devel httpd php php-pdo php-snmp php-mysql lm_sensors net-snmp net-snmp-utils net-snmp-libs rrdtool rrdtool-devel perl-PlRPC perl-DBI perl-rrdtool perl-DBD-MySQL ②装好依赖软件之后，snmp有3个地方需要配置一下（对服务器本身进行监控） vim /etc/snmp/snmpd.conf 第41行：将 com2sec notConfigUser default public 中的 "default" 改为 "127.0.0.1" 第62行：将 access notConfigGroup "" any noauth exact systemview none none 中的 "systemview" 改为 "all" 第85行：将 #view all include .1 80 这一行前面的 # 号去掉 ③配置好snmp以后我们来启动3个重要的服务 service snmpd start //启动snmp服务 chkconfig snmpd on //设置开机启动 service httpd start chkconfig httpd on service mysqld start chkconfig mysqld on ④安装并配置cacti 获取cacti主文件 http://www.cacti.net/downloads/cacti-0.8.8b.tar.gz tar -zxvf cacti-0.8.8b.tar.gz mv cacti-0.8.8b /var/www/html/cacti //将cacti-0.8.8b文件夹移到/var/www/html目录下，并将cacti-0.8.8b重命名为cacti ⑤设置mysql数据库 mysql -uroot -p #新装的mysql没有密码，直接回车进入mysql数据库 create database cacti; #首先创建cacti数据库，注意别丢了分号 grant all privileges on cacti.* to cacti@localhost identified by 'cacti' with grant option; #创建cacti用户并授权 use cacti; source /var/www/html/cacti/cacti.sql; #导入cacti数据库文件 mysql>\q ⑥配置cacti vim /var/www/html/cacti/include/config.php $database_type = "mysql"; $database_default = "cacti"; $database_hostname = "localhost"; $database_username = "cactiuser"; //因为我们先前在数据库建的是 "cacti" 用户，所以这里默认的 "cactiuser" 要改为 "cacti" $database_password = "cactiuser"; //这里默认的密码我们也要改为 "cacti" $database_port = "3306"; ⑦增加 cacti 用户以用来写入rrd和log目录的数据，否则就会生成不了图片 useradd cacti cd /var/www/html/cacti chown -R cacti.cacti rra/ log/ ⑧在cacti用户下创建计划任务以画图 具体多长时间让cacti生成一次监控图表自己决定，这里以cacti的默认时间5分钟生成一次为例 su cacti crontab –e */5 * * * * php /var/www/html/cacti/poller.php > /dev/null 2>&1 exit # 如果暂时未看到图表，可以手工执行，生成图表 php /var/www/html/cacti/poller.php > /dev/null 2>&1 ⑩配置好之后重启输入http://ip/cacti,从web页面启动cacti，安装，并查看图形化界面4.整合Nagios与Cacti
①下载并安装ndoutils wget http://sourceforge.net/projects/nagios/files/ndoutils-1.x/ndoutils-1.4b9/ndoutils-1.4b9.tar.gz/download tar zxvf ndoutils-1.4b9.tar.gz cd ndoutils-1.4b9 ./configure --prefix=/usr/local/nagios --enable-mysql --disable-pgsql --with-mysql-inc=/usr/include/mysql --with-mysql-lib=/usr/lib/mysql make ②准备配置文件 cp -v src/{ndomod-3x.o,ndo2db-3x,file2sock,log2ndo} /usr/local/nagios/bin cd db ./installdb -ucacti -pcacti -hlocalhost -d cacti cd .. cp -v config/{ndo2db.cfg-sample,ndomod.cfg-sample} /usr/local/nagios/etc mv /usr/local/nagios/etc/ndo2db.cfg-sample /usr/local/nagios/etc/ndo2db.cfg mv /usr/local/nagios/etc/ndomod.cfg-sample /usr/local/nagios/etc/ndomod.cfg chmod 644 /usr/local/nagios/etc/ndo* chown nagios:nagios /usr/local/nagios/etc/* chown nagios:nagios /usr/local/nagios/bin/* ③修改nagios.cfg配置文件以适应当前环境 vim /usr/local/nagios/etc/nagios.cfg # 在文件中添加： broker_module=/usr/local/nagios/bin/ndomod-3x.o config_file=/usr/local/nagios/etc/ndomod.cfg # 检查 event_broker_options=-1 ## 为Nagios开启event broker ④修改ndo2db.cfg以适应当前环境 vim /usr/local/nagios/etc/ndo2db.cfg # 确保下列内容为唯一项 socket_type=tcp db_servertype=mysql db_host=localhost db_port=3306 db_name=cacti db_prefix=nagios_ db_user=cacti db_pass=cacti ⑤修改ndomod.cfg以适应当前环境 vim /usr/local/nagios/etc/ndomod.cfg # 确保下列项的唯一内容为 output_type=tcpsocket output=127.0.0.1 ⑥为ndo2db添加启动进程 cp ./daemon-init /etc/init.d/ndo2db vim /etc/init.d/ndo2db # 检查里面的路径确保不会出现“//"，并将Ndo2dbBin修改成下面的值： Ndo2dbBin=/usr/local/nagios/bin/ndo2db-3x chmod +x /etc/init.d/ndo2db ⑦启动守护进程与nagios service ndo2db start tail -20 /var/log/messages ## 查看其中是否有错误出现。如无报错请继续 service nagios start5.安装ncp，以在Cacti中展现Nagios
1.先安装cacti扩展模块 wget http://www.cacti.net/downloads/pia/cacti-plugin-0.8.7h-PA-v3.0.tar.gz tar xvf cacti-plugin-0.8.7h-PA-v3.0.tar.gz cp -R cacti-plugin-arch/* /var/www/html/cacti/ cd /var/www/html/cacti/ mysql -ucacti -pcacti cacti < pa.sql patch -p1 -N < cacti-plugin-0.8.7h-PA-v3.0.diff ## 为cacti配置文件打补丁的时候注意在为include/config.php打补丁的时候有可能它将 include/config.php.dist给打补丁了，我们只需要手动加入下面的内容即可。 vim include/config.php # 修改(或新加入)为 $url_path = "/cacti/"; 从web进入cacti，启用cacti plugin扩展 2.安装npc tar zxvf npc-2.0.4.tar.gz mv npc /var/www/html/cacti/plugins/ vim /var/www/html/cacti/include/config.php # 加入： $plugins[] = 'npc'; 3.安装 npc支持：json wget http://pkgs.fedoraproject.org/repo/pkgs/php-pecl-json/json-1.2.1.tgz/d8904d2f004ceec85eeacf524cd25539/json-1.2.1.tgz tar zxvf json-1.2.1.tgz cd json-1.2.1 phpize ## 如果发现没有Phpize文件，则是因为php-devel包没有安装导致的 ./configure make && make install php -i | grep php.ini ## 查看是否有导入信息 报错： PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/json.so' - /usr/lib64/php/modules/json.so: undefined symbol: ZVAL_DELREF in Unknown on line 0 解决办法： vim JSON_parser.c /* error */#define S_ERR -1 #define ZVAL_DELREF Z_DELREF_P 加入这一行 /* space */ #define S_SPA 0 重新编译即可
4.打开php.ini文件添加对json的支持 vim /etc/php.ini # 添加 extension=json.so
5.为apache添加php支持。
vim /etc/httpd/conf/httpd.conf # 添加一行： AddType application/x-httpd-php .php .phtml # 修改原DirectoryIndex内容为： DirectoryIndex index.html index.html.var index.php usermod -G cacti apache service httpd restart ## 重启apache以让php生效 php -m ## 查看是否有json被加载 6.修改配置文件以让npc读取到新的数据。 vim /usr/local/nagios/etc/ndo2db.cfg db_prefix=npc_ 6.1从Web进入Cacti，确保正确使用npc选项。
6.2 修改mysql中的表结构：
./mysql -ucacti -p cacti mysql> use cacti; mysql> alter table npc_eventhandlers add long_output TEXT NOT NULL default '' after output; mysql> alter table npc_hostchecks add long_output TEXT NOT NULL default '' after output; mysql> alter table npc_hoststatus add long_output TEXT NOT NULL default '' after output; mysql> alter table npc_notifications add long_output TEXT NOT NULL default '' after output; mysql> alter table npc_servicechecks add long_output TEXT NOT NULL default '' after output; mysql> alter table npc_servicestatus add long_output TEXT NOT NULL default '' after output; mysql> alter table npc_statehistory add long_output TEXT NOT NULL default '' after output; mysql> alter table npc_systemcommands add long_output TEXT NOT NULL default '' after output; 7.重启ndo2db进程，重新加载配置文件重启nagios服务。 service ndo2db restart service nagios restart 8.在Web上配置NPC以使之正常读取工作。 在Settings->npc中 ，勾上Remote Commands Nagios Command File Path= /usr/local/nagios/var/rw/nagios.cmd Nagios URL=你的地址(http://localhost/nagios/) 接下来刷新npc就可以看到数据啦:6.Nconf的安装与配置
1.nconf的准备工作 # 进入mysql数据库 mysql> create database nconf; # 创建nconf数据库 mysql> grant all privileges on nconf.* to nconf@localhost identified by 'nconf'; # 创建nconf用户并赋权 mysql> flush privileges; # 刷新特权表 mysql> quit 2.安装nconf wget https://sourceforge.net/projects/nconf/files/nconf/1.3.0-0/nconf-1.3.0-0.tgz/download tar -zxf nconf-1.3.0-0.tgz -C /var/www/html/ cd /var/www/html/nconf chown -R apache.apache config/ temp/ static_cfg/ output/ 3.进入Web页面在web页面按照安装提示一步步安装
9.最后的设置 ①在web页面对监控服务和主机配置完毕，点击Generate Nagios config ②deploy_local.sh是nconf自带配置文件导入脚本 /var/www/html/nconf/ADD-ONS/deploy_local.sh 手动执行此脚本，将在/usr/local/nagios/etc下生成两目录Default_collector与global ③修改nagios主配置文件 vim /usr/local/nagios/etc/nagios.cfg # 将其中cfg_file=*******字段全部注释 ,并加入 cfg_dir=/usr/local/nagios/etc/Default_collector cfg_dir=/usr/local/nagios/etc/global service nagios reload # 重载nagios配置文件使之生效 报错： Error: Cannot open main configuration file '/var/www/html/nconf/temp/test/Default_collector.cfg' for reading! 
应该是没有执行chown -R apache.apache config/ temp/ static_cfg/ output/ 重新安装nconf即可