【移动应用开发技术】nagios完全安装文档 (CentOS)

【移动应用开发技术】nagios完全安装文档(CentOS)

第一部分安装Nagios的所有插件的地址：/download/addons1：安装LAMP环境#yum-yinstallphphttpdgccglibcglibc-commongdgd-devel2:建立nagios帐号，请牢记设置的密码#/usr/sbin/useraddnagios&&passwdnagios创建一个用户组名为nagios用于从web接口执行外部命令。将nagios用户和apache用户都加入到这个组中。#/usr/sbin/groupaddnagios#/usr/sbin/usermod-gnagiosnagios#/usr/sbin/usermod-gnagiosapache3:编译与安装nagios进入到nagios安装包所在的文件夹下#tar-zxvfnagios-3.4.1.tar.gz#cdnagios#./configure--with-command-group=nagios--prefix=/usr/local/nagios#makeall#makeinstall#makeinstall-init#makeinstall-config#makeinstall-commandmode#makeinstall-webconf创建一个nagiosadmin的用户，用于nagios的Web接口登录。请牢记你设置的密码。#htpasswd-c/usr/local/nagios/etc/htpasswd.usersnagiosadmin验证是否正确安装，进入到安装路径（此处是/usr/local/nagios),看是否存在etcbinsbinsharevar这五个目录，如果存在，则说明nagios正确的安装到系统4:编译与安装nagios-plugins进入到nagios-plugins安装包所在的文件夹下#tar-zxvfnagios-plugins-1.4.16.tar.gz#cdnagios-plugins-1.4.16#./configure--with-nagios-user=nagios--with-nagios-group=nagios--prefix=/usr/local/nagios#make&&makeinstall验证：ls/usr/local/nagios/libexec会显示安装的插件文件，即所有的插件都安装在libexec这个目录下5：启动服务重启apache服务让设置生效#servicehttpdrestart验证nagios的样例配置文件#/usr/local/nagios/bin/nagios-v/usr/local/nagios/etc/nagios.cfg如果没有报错，启动nagios服务#servicenagiosstart6：测试登录http://IP地址/nagios/,输入用户名和密码,则nagios安装成功。第二部分监控linux主机一.被监控机上安装NRPE1.安装客户端nagios插件进入到nagios-plugins安装包所在的文件夹下#tar-zxvfnagios-plugins-1.4.16.tar.gz#cdnagios-plugins-1.4.16#./configure--prefix=/usr/local/nagios#make&&makeinstall#useraddnagios#chownnagios.nagios/usr/local/nagios#chown-Rnagios.nagios/usr/local/nagios/libexec2.给客户端安装NRPE首先检查openssl是否存在，否则要安装openssl#rpm–qa|grepopensslopenssl-devel-1.0.0-20.el6_2.5.x86_64openssl-1.0.0-20.el6_2.5.x86_64进入到nrpe安装包所在的文件夹下#tar-zxvfnrpe-2.13.tar.gz#cdnrpe-2.13#./configure--prefix=/usr/local/nagios--enable-ssl--with-ssl-lib=/usr/lib/#makeall#makeinstall-plugin#makeinstall-daemon#makeinstall-daemon-config返回当前NRPE的版本#/usr/local/nagios/libexec/check_nrpe-Hlocalhost启动NRPE#/usr/local/nagios/bin/nrpe-c/usr/local/nagios/etc/nrpe.cfg-d3.配置NRPE客户端添加nrpe服务器地址，允许监控服务器对其读取信息#vi/usr/local/nagios/etc/nrpe.cfg在allowed_hosts中添加允许的服务器，例如：allowed_hosts=,5,36添加command字段来添加需要监控的服务，例如：command[check_users]=/usr/local/nagios/libexec/check_users-w5-c10command[check_load]=/usr/local/nagios/libexec/check_load-w15,10,5–c30,25,20command[check_disk]=/usr/local/nagios/libexec/check_disk-w20%-c10%-p/dev/hda1command[check_zombie_procs]=/usr/local/nagios/libexec/check_procs-w5-c10-sZcommand[check_total_procs]=/usr/local/nagios/libexec/check_procs-w150-c200command[check_ping]=/usr/local/nagios/libexec/check_ping-H37-w3,2%-c10,6%-p30重启nrpe#killall-9nrpe#/usr/local/nagios/bin/nrpe-c/usr/local/nagios/etc/nrpe.cfg-d二.监控机上安装NRPE1.安装nrpe首先检查openssl是否存在，否则要安装openssl#rpm–qa|grepopensslopenssl-devel-1.0.0-20.el6_2.5.x86_64openssl-1.0.0-20.el6_2.5.x86_64进入到nrpe安装包所在的文件夹下#tar-zxvfnrpe-2.13.tar.gz#cdnrpe-2.13#./configure--prefix=/usr/local/nagios--enable-ssl--with-ssl-lib=/usr/lib/#makeall#makeinstall-plugin#makeinstall-daemon#makeinstall-daemon-config返回当前NRPE的版本#/usr/local/nagios/libexec/check_nrpe-Hmands.cfg中定义外部构件nrpe#vi/usr/local/nagios/etc/objects/commands.cfg添加check_nrpe#'check_nrpe'commanddefinitiondefinecommand{command_namecheck_nrpecommand_line$USER1$/check_nrpe-H$HOSTADDRESS$-c$ARG1$}3.配置要监控的Linux主机#vi/usr/local/nagios/etc/nagios.cfg修改如下：cfg_file=/usr/local/nagios/etc/objects/localhost.cfgcfg_dir=/usr/local/nagios/etc/objects/servers#mkdir/usr/local/nagios/etc/objects/servers/#chown-Rnagios.nagios/usr/local/nagios/etc/objects/servers/4.配置cgi.cfg文件#vi/usr/local/nagios/etc/cgi.cfg修改如下：use_authentication=1注意：修改文件权限#chmod777/usr/local/nagios/var/rw/#chmod777/usr/local/nagios/var/rw/nagios.cmd5.新建host_service_group.cfg，设置其内容#vi/usr/local/nagios/etc/objects/servers/host_service_group.cfg其文件内容如下：defineservicegroup{servicegroup_namehost_perfdataaliashost_perfdata}definehostgroup{hostgroup_namehost_perfdataaliashost_perfdata}6.新建37.cfg，设置监控内容#vi/usr/local/nagios/etc/objects/servers/37.cfg其文件内容如下：definehost{uselinux-serverhost_name37host_groupshost_perfdataalias37address37}defineservice{usegeneric-servicehost_name37service_groupshost_perfdataservice_descriptioncheck_cpu_loadcheck_commandcheck_nrpe!check_loadnotifications_enabled1}defineservice{usegeneric-servicehost_name37service_groupshost_perfdataservice_descriptioncheck_total_processcheck_commandcheck_nrpe!check_total_procsnotifications_enabled1}defineservice{usegeneric-servicehost_name37service_groupshost_perfdataservice_descriptionPINGcheck_commandcheck_ping!200.0,20%!500.0,60%notifications_enabled1}验证nagios的配置文件是否正确#/usr/local/nagios/bin/nagios-v/usr/local/nagios/etc/nagios.cfg如果没有报错，重新加载nagios服务#servicenagiosreload三.Nagios报警设置3.1网页报警1.修改cgi.cfg配置文件#vi/usr/local/nagios/etc/cgi.cfg去掉下面几行注释host_unreachable_sound=hostdown.wavhost_down_sound=hostdown.wavservice_critical_sound=critical.wavservice_warning_sound=warning.wavservice_unknown_sound=warning.wavnormal_sound=noproblem.wav2.在/usr/local/nagios/share/media/下将声音文件添加进去3.2通过sendEmail发送报警1.安装sendEmail进入到sendEmail安装包所在的文件夹下#tar-zxvfsendEmail-v1.56.tar.gz#cdsendEmail-v1.56#cpsendEmail/usr/local/bin/#chmod755/usr/local/bin/sendEmail2.测试使用系统自带的sendmail测试#cd(回到根目录)#mail-s“Iamtest”admin@admin<install.log“Iamtest”是邮件的主题，在admin@admin中如果能收到邮件，则说明设置成功。3.修改commands.cfg文件(其实这一步，可以省略，因为在安装nagios的时候，已经默认存在)#/usr/local/nagios/etc/objects/commands.cfg内容如下：#'notify-host-by-email'commanddefinitiondefinecommand{command_namenotify-host-by-emailcommand_line/usr/bin/printf"%b""*****Nagios*****\n\nNotificationType:$NOTIFICATIONTYPE$\nHost:$HOSTNAME$\nState:$HOSTSTATE$\nAddress:$HOSTADDRESS$\nInfo:$HOSTOUTPUT$\n\nDate/Time:$LONGDATETIME$\n"|/bin/mail-s"**$NOTIFICATIONTYPE$HostAlert:$HOSTNAME$is$HOSTSTATE$**"$CONTACTEMAIL$}#'notify-service-by-email'commanddefinitiondefinecommand{command_namenotify-service-by-emailcommand_line/usr/bin/printf"%b""*****Nagios*****\n\nNotificationType:$NOTIFICATIONTYPE$\n\nService:$SERVICEDESC$\nHost:$HOSTALIAS$\nAddress:$HOSTADDRESS$\nState:$SERVICESTATE$\n\nDate/Time:$LONGDATETIME$\n\nAdditionalInfo:\n\n$SERVICEOUTPUT$\n"|/bin/mail-s"**$NOTIFICATIONTYPE$ServiceAlert:$HOSTALIAS$/$SERVICEDESC$is$SERVICESTATE$**"$CONTACTEMAIL$}4.编辑contacts.cfg文件#/usr/local/nagios/etc/objects/contacts.cfg内容如下：definecontact{contact_namenagiosadmin;Shortnameofuserusegeneric-contact;Inheritdefaultvaluesfromgeneric-contacttemplate(definedabove)aliasNagiosAdmin;Fullnameofuseremailadmin@admin;<<*****CHANGETHISTOYOUREMAILADDRESS******service_notification_commandsnotify-service-by-emailhost_notification_commandsnotify-host-by-email}5.重启nagios服务#/etc/init.d/nagiosreload第三部分监控Windows主机一．被监控机（Windows）上安装NSClient++客户端下载地址：/nscp/downloads目前最新版本：2，根据需要下载32位或64位机程序。.zip格式和.msi格式大同小异，在次处我使用.msi格式，并以32位机为例。双击下载好的程序，开始安装选择：Typical勾选：Allowalluserstowriteconfigfile在Allowedhosts中填写监控主机的IP，NSClientpassword中本应该填写监控机和被监控机之间的通信密码，为了方便，在次不进行设置，勾选Modulestoload下面的所有选项。点击Next点击Install完成安装。进入到服务中，找到NSClient++(Win32)，双击它，选择登录，再勾选允许服务与桌面交互，最后重启服务。二．监控机（Linux）添加监控项在/usr/local/nagios/etc/objects/servers/目录下添加一台Windows主机#vi/usr/local/nagios/etc/objects/servers/4.cfg其文件内容如下：definehost{uselinux-serverhost_name4alias4host_groupshost_perfdataaddress4}defineservice{usegeneric-servicehost_name4service_groupshost_perfdataservice_descriptioncheck_pingcheck_commandcheck_ping!100.0,20%!200.0,50%notifications_enabled1}defineservice{usegeneric-servicehost_name4service_groupshost_perfdataservice_descriptioncheck_memory_useagecheck_commandcheck_nt!MEMUSE!-w80-c90notifications_enabled1}defineservice{usegeneric-servicehost_name4service_groupshost_perfdataservice_descriptioncheck_cpu_loadcheck_commandcheck_nt!CPULOAD!-l5,70,80notifications_enabled1}defineservice{usegeneric-servicehost_name4service_groupshost_perfdataservice_descriptioncheck_C:\_spacecheck_commandcheck_nt!USEDDISKSPACE!-lC!-w80-c90notifications_enabled1}defineservice{usegeneric-servicehost_name4service_groupshost_perfdataservice_descriptioncheck_E:\_spacecheck_commandcheck_nt!USEDDISKSPACE!-lE!-w80-c90notifications_enabled1}验证nagios的配置文件是否正确#/usr/local/nagios/bin/nagios-v/usr/local/nagios/etc/nagios.cfg如果没有报错，重新加载nagios服务#servicenagiosreload可以进行测试：#/usr/local/nagios/libexec/check_nt-H4-vCPULOAD-p12489-l5,70,80#/usr/local/nagios/libexec/check_nt-H4-vMEMUSE-p12489#/usr/local/nagios/libexec/check_nt-H4-vUSEDDISKSPACE-p12489-lC#/usr/local/nagios/libexec/check_nt-H4-vUSEDDISKSPACE-p12489-lE第四部分nagvis插件的安装Nagvis官方网站：/Nagvis下载：/project/nagvis/NagVis1.7/nagvis-1.7.3.tar.gzndoutils下载：/projects/nagios/files/ndoutils-1.x/一．安装ndoutils查看是否安装mysql-devel(它是用来编译ndoutils)#rpm-qa|grepmysql如果没有安装mysql-devel，则用yum安装#yum-yinstallmysql-devel为ndoutils创建数据库#mysql-uroot-pEnterpassword:mysql>createdatabasendodb;mysql>grantallprivilegesonndodb.*tondouser@localhostidentifiedby'ndouser';mysql>grantallprivilegesonndodb.*tondouser@'%'identifiedby'ndouser';mysql>flushprivileges;mysql>quit关联mysql头文件和库#ln-s/usr/local/mysql/include/*/usr/include/#ln-s/usr/local/mysql/lib/*/usr/lib/注意：/usr/local/mysql是MySQL的安装目录开始安装ndoutils#tarzxvfndoutils-1.5.2.tar.gz#cdndoutils-1.5.2#./configure--prefix=/usr/local/nagios--enable-mysql--enable-ssl--with-ssl-lib=/usr/lib--with-ndo2db-user=nagios--with-ndo2db-group=nagios--with-mysql=/usr/local/mysql--with-mysql-lib=/usr/local/mysql/libLDFLAGS=-L/usr/lib注意：/usr/local/mysql是MySQL的安装目录#make#makeinstall//此命令可不用执行#cddb/#./installdb-undouser-pndouser-hlocalhost-dndodb#cd../src/#cpfile2socklog2ndondo2db-2xndo2db-3xndomod-2x.ondomod-3x.o/usr/local/nagios/bin/#cd../config#cpndo2db.cfg-samplendomod.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#chmod644/usr/local/nagios/etc/ndo*#vi/usr/local/nagios/etc/nagios.cfg修改内容如下：check_external_commands=1（大概在146行）command_check_interval=-1（大概在164行）event_broker_options=-1（大概在222行）在249行下面添加一行：broker_module=/usr/local/nagios/bin/ndomod-3x.oconfig_file=/usr/local/nagios/etc/ndomod.cfgprocess_performance_data=1（大概在834行）#vi/usr/local/nagios/etc/ndomod.cfg将其修改为：#cat/usr/local/nagios/etc/ndomod.cfg|grep-v'^#'|sed/^$/d#vi/usr/local/nagios/etc/ndo2db.cfg将其修改为：#cat/usr/local/nagios/etc/ndo2db.cfg|grep-v'^#'|sed/^$/d启动ndo2db守护进程#/usr/local/nagios/bin/ndo2db-3x-c/usr/local/nagios/etc/ndo2db.cfg二．安装