1.1 Zabbix概述
Zabbix是一款能够监控各种网络参数以及服务器健康性和完整性的软件。Zabbix使用灵活的通知机制,允许用户为几乎任何事件配置基于邮件的告警。这样可以快速反馈服务器的问题。基于已存储的数据,Zabbix提供了出色的报告和数据可视化功能。
2.2 安装准备工作
2.2.1 关闭集群
如果集群开启,先关闭集群。因为安装Zabbix前,需要重启虚拟机。
[atguigu@hadoop102 ~]$ cluster.sh stop
2.2.2 关闭防火墙(3台节点,已关闭)
[atguigu@hadoop102 ~]$ sudo service iptables stop
[atguigu@hadoop102 ~]$ sudo chkconfig iptables off
[atguigu@hadoop103 ~]$ sudo service iptables stop
[atguigu@hadoop103 ~]$ sudo chkconfig iptables off
[atguigu@hadoop104 ~]$ sudo service iptables stop
[atguigu@hadoop104 ~]$ sudo chkconfig iptables off
2.2.3 关闭SELinux(hadoop102)
1)修改配置文件/etc/selinux/config
[atguigu@hadoop102 ~]$ sudo vim /etc/selinux/config
修改如下内容
# This file controls the state of SELinux on the system.
# 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,
# mls - Multi Level Security protection.
SELINUXTYPE=targeted
SELINUX=disabled
2)重启服务器
[atguigu@hadoop102 ~]$ sudo reboot
2.3 配置Zabbix yum源(3台节点)
2.3.1 安装yum仓库
1)安装zabbix的yum仓库
[atguigu@hadoop102 ~]$ sudo rpm -Uvh https://mirrors.aliyun.com/zabbix/zabbix/5.0/rhel/7/x86_64/zabbix-release-5.0-1.el7.noarch.rpm
[atguigu@hadoop103 ~]$ sudo rpm -Uvh https://mirrors.aliyun.com/zabbix/zabbix/5.0/rhel/7/x86_64/zabbix-release-5.0-1.el7.noarch.rpm
[atguigu@hadoop104 ~]$ sudo rpm -Uvh https://mirrors.aliyun.com/zabbix/zabbix/5.0/rhel/7/x86_64/zabbix-release-5.0-1.el7.noarch.rpm
2)安装Software Collections仓库
[atguigu@hadoop102 ~]$ sudo yum install -y centos-release-scl
[atguigu@hadoop103 ~]$ sudo yum install -y centos-release-scl
[atguigu@hadoop104 ~]$ sudo yum install -y centos-release-scl
2.3.2 修改zabbix仓库配置文件
hadoop102、hadoop103、hadoop104三台节点,依次执行如下步骤。
1)修改为阿里云镜像
(1)查看原始zabbix.repo文件
[atguigu@hadoop102 ~]$ sudo cat /etc/yum.repos.d/zabbix.repo
查看内容如下
[zabbix]
name=Zabbix Official Repository - $basearch
baseurl=http://repo.zabbix.com/zabbix/5.0/rhel/7/$basearch/
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX-A14FE591
[zabbix-frontend]
name=Zabbix Official Repository frontend - $basearch
baseurl=http://repo.zabbix.com/zabbix/5.0/rhel/7/$basearch/frontend
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX-A14FE591
[zabbix-debuginfo]
name=Zabbix Official Repository debuginfo - $basearch
baseurl=http://repo.zabbix.com/zabbix/5.0/rhel/7/$basearch/debuginfo/
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX-A14FE591
gpgcheck=1
[zabbix-non-supported]
name=Zabbix Official Repository non-supported - $basearch
baseurl=http://repo.zabbix.com/non-supported/rhel/7/$basearch/
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX
gpgcheck=1
(2)执行以下命令完成全局替换
[atguigu@hadoop102 ~]$ sudo sed -i 's/http:\/\/repo.zabbix.com/https:\/\/mirrors.aliyun.com\/zabbix/g' /etc/yum.repos.d/zabbix.repo
(3)查看修改之后的zabbix.repo文件
[atguigu@hadoop102 ~]$ sudo cat /etc/yum.repos.d/zabbix.repo
查看内容如下
[zabbix]
name=Zabbix Official Repository - $basearch
baseurl=https://mirrors.aliyun.com/zabbix/zabbix/5.0/rhel/7/$basearch/
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX-A14FE591
[zabbix-frontend]
name=Zabbix Official Repository frontend - $basearch
baseurl=https://mirrors.aliyun.com/zabbix/zabbix/5.0/rhel/7/$basearch/frontend
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX-A14FE591
[zabbix-debuginfo]
name=Zabbix Official Repository debuginfo - $basearch
baseurl=https://mirrors.aliyun.com/zabbix/zabbix/5.0/rhel/7/$basearch/debuginfo/
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX-A14FE591
gpgcheck=1
[zabbix-non-supported]
name=Zabbix Official Repository non-supported - $basearch
baseurl=https://mirrors.aliyun.com/zabbix/non-supported/rhel/7/$basearch/
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX
gpgcheck=1
2)启用zabbix-web仓库
打开/etc/yum.repos.d/zabbix.repo文件,做如下修改
[zabbix]
name=Zabbix Official Repository - $basearch
baseurl=https://mirrors.aliyun.com/zabbix/zabbix/5.0/rhel/7/$basearch/
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX-A14FE591
[zabbix-frontend]
name=Zabbix Official Repository frontend - $basearch
baseurl=https://mirrors.aliyun.com/zabbix/zabbix/5.0/rhel/7/$basearch/frontend
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX-A14FE591
[zabbix-debuginfo]
name=Zabbix Official Repository debuginfo - $basearch
baseurl=https://mirrors.aliyun.com/zabbix/zabbix/5.0/rhel/7/$basearch/debuginfo/
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX-A14FE591
gpgcheck=1
[zabbix-non-supported]
name=Zabbix Official Repository non-supported - $basearch
baseurl=https://mirrors.aliyun.com/zabbix/non-supported/rhel/7/$basearch/
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX
gpgcheck=1
2.4 安装Zabbix
在hadoop102、hadoop103、hadoop104三台节点分别执行以下安装命令
[atguigu@hadoop102 ~]$ sudo yum install -y zabbix-server-mysql zabbix-agent zabbix-web-mysql-scl zabbix-apache-conf-scl
[atguigu@hadoop103 ~]$ sudo yum install -y zabbix-agent
[atguigu@hadoop104 ~]$ sudo yum install -y zabbix-agent
2.5 配置Zabbix
2.5.1 创建zabbix数据库
[atguigu@hadoop102 ~]$ mysql -uroot -p88888888 -e"create database zabbix character set utf8 collate utf8_bin"
2.5.2 导入Zabbix建表语句
[atguigu@hadoop102 ~]$ zcat /usr/share/doc/zabbix-server-mysql-5.0.9/create.sql.gz | mysql -uroot –p88888888 zabbix
2.5.3 配置Zabbix_Server(hadoop102)
修改zabbix-server配置文件
[atguigu@hadoop102 ~]$ sudo vim /etc/zabbix/zabbix_server.conf
DBHost=hadoop102
DBName=zabbix
DBUser=root
DBPassword=88888888
2.5.4 配置Zabbix_Agent(三台节点)
修改zabbix-agent配置文件
[atguigu@hadoop102 ~]$ sudo vim /etc/zabbix/zabbix_agentd.conf
修改如下内容:
Server=hadoop102
#ServerActive=127.0.0.1
#Hostname=Zabbix server
2.5.5 配置Zabbix_Web时区
修改/etc/opt/rh/rh-php72/php-fpm.d/zabbix.conf文件
[atguigu@hadoop102 ~]$ sudo vim /etc/opt/rh/rh-php72/php-fpm.d/zabbix.conf
修改如下内容:
[zabbix]
user = apache
group = apache
listen = /var/opt/rh/rh-php72/run/php-fpm/zabbix.sock
listen.acl_users = apache
listen.allowed_clients = 127.0.0.1
pm = dynamic
pm.max_children = 50
pm.start_servers = 5
pm.min_spare_servers = 5
pm.max_spare_servers = 35
php_value[session.save_handler] = files
php_value[session.save_path] = /var/opt/rh/rh-php72/lib/php/session/
php_value[max_execution_time] = 300
php_value[memory_limit] = 128M
php_value[post_max_size] = 16M
php_value[upload_max_filesize] = 2M
php_value[max_input_time] = 300
php_value[max_input_vars] = 10000
php_value[date.timezone] = Asia/Shanghai
2.6 启动停止Zabbix
2.6.1 启动Zabbix
[atguigu@hadoop102 ~]$ sudo systemctl start zabbix-server zabbix-agent httpd rh-php72-php-fpm
[atguigu@hadoop102 ~]$ sudo systemctl enable zabbix-server zabbix-agent httpd rh-php72-php-fpm
[atguigu@hadoop103 ~]$ sudo systemctl start zabbix-agent
[atguigu@hadoop103 ~]$ sudo systemctl enable zabbix-agent
[atguigu@hadoop104 ~]$ sudo systemctl start zabbix-agent
[atguigu@hadoop104 ~]$ sudo systemctl enable zabbix-agent
2.6.2 停止Zabbix
[atguigu@hadoop102 ~]$ sudo systemctl stop zabbix-server zabbix-agent httpd rh-php72-php-fpm
[atguigu@hadoop102 ~]$ sudo systemctl disable zabbix-server zabbix-agent httpd rh-php72-php-fpm
[atguigu@hadoop103 ~]$ sudo systemctl stop zabbix-agent
[atguigu@hadoop103 ~]$ sudo systemctl disable zabbix-agent
[atguigu@hadoop104 ~]$ sudo systemctl stop zabbix-agent
[atguigu@hadoop104 ~]$ sudo systemctl disable zabbix-agent
2.6.3 连接Zabbix_Web数据库
1)浏览器访问http://hadoop102/zabbix/
3.2 Zabbix使用
3.2.1 创建Host
1)点击配置/主机/创建主机
2)配置主机(Host)
3)查看新增(Host)
4)重复以上步骤,再创建hadoop103、hadoop104主机。
3.2.2 创建监控项(Items)
1)点击监控项(Items)
2)点击创建监控项(Create Item)
3)配置监控项(Item)
4)查看创建的监控项
5)查看监控项最新数据
3.2.3 创建触发器(Trigger)
1)点击配置/主机/触发器
2)点击创建触发器
3)编辑触发器
3.2.4 创建动作(Action)
1)点击配置/动作/创建动作
2)编辑动作(Action)
3.2.5 申请邮箱
邮件报警,可以采用126、163、qq等邮箱。下面以126邮箱为例。
1)申请注册一个126邮箱
2)点击邮箱账号=》账号管理
3)开启SMTP服务
4)一定要记住授权码
3.2.6 创建报警媒介类型(Media type)
1)点击管理/报警媒介类型/Email
2)编辑Email
3)测试Email
4)Email绑定收件人
3.2.7 测试
1)关闭集群中的HDFS,会有如下效果
[atguigu@hadoop102 hadoop-3.1.3]$ sbin/stop-dfs.sh
2)查看仪表盘故障信息
3)查看邮件,接收故障信息
3.3 创建模板
1)点击配置/模板/创建模板
2)配置模板名称/群组
3)配置监控项
4)配置触发器
5)配置动作
6)为hadoop103应用模板
7)为hadoop104应用模板
同上
8)测试
(1)启动hadoop集群
[atguigu@hadoop102 hadoop-3.1.3]$ sbin/start-dfs.sh
(2)停止hadoop集群
[atguigu@hadoop102 hadoop-3.1.3]$ sbin/stop-dfs.sh
(3)查看报警邮件