centos 7 安装ambari

  1.wget -nv http://public-repo-1.hortonworks.com/ambari/centos7/2.x/updates/2.5.0.3/ambari.repo -O /etc/yum.repos.d/ambari.repo 

  2.yum repolist 

  3.yum clean all 

  4.yum install ambari-server 

  注意：必须先 安装mysql 创建ambari用户并赋予权限 使用ambari用户创建ambari数据库 生成ambari数据表 

  1.下载mysql的repo源 

  wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm /etc/yum.repos.d/ambari.repo 

  2.安装mysql-community-release-el7-5.noarch.rpm包 

  rpm -ivh mysql-community-release-el7-5.noarch.rpm 

  安装这个包后，会获得两个mysql的yum repo源：/etc/yum.repos.d/mysql-community.repo，/etc/yum.repos.d/mysql-community-source.repo。 

  3.安装mysql 

  yum install mysql-server 

  4.重新启动MySQL服务 

  systemctl restart mysqld 

  5.重置密码 

  mysql -u root 

  use mysql; 

  update user set password=password('123456') where user='root'; 

  GRANT all privileges on *.* TO 'root'@'%' identified by '123456' WITH GRANT OPTION; 

  GRANT all privileges on *.* TO 'root'@'localhost' identified by '123456' WITH GRANT OPTION; 

  flush privileges; --刷新权限 

  6.重启服务，添加hive用户 

  systemctl restart mysqld 

  mysql -u root –p(使用root用户创建ambari用户并赋予权限) 

  create user 'ambari' identified by 'ambari'; 

  GRANT all privileges on *.* TO 'ambari'@'%' identified by 'ambari' WITH GRANT OPTION; 

  GRANT all privileges on *.* TO 'ambari'@'localhost' identified by 'ambari' WITH GRANT OPTION; 

  GRANT all privileges on *.* TO 'ambari'@'master' identified by 'ambari' WITH GRANT OPTION; 

  flush privileges; 

  7.使用ambari用户登录mysql 创建ambari数据库，并生成ambari数据表 

  mysql -u ambari -p 

  create database ambari; 

  use ambari; 

  source /var/lib/ambari-server/resources/Ambari-DDL-MySQL-CREATE.sql; 

  5.ambari-server setup( 
 注意：红色字体为输入内容) 

  [root@master 桌面]# 
 ambari-server setup 

  Using python /usr/bin/python 

  Setup ambari-server 

  Checking SELinux... 

  SELinux status is 'disabled' 

  Customize user account for ambari-server daemon [y/n] (n)? 
  y  

  Enter user account for ambari-server daemon (root): 
 root 

  Adjusting ambari-server permissions and ownership... 

  Checking firewall status... 

  Checking JDK... 

  [1] Oracle JDK 1.8 + Java Cryptography Extension (JCE) Policy Files 8 

  [2] Oracle JDK 1.7 + Java Cryptography Extension (JCE) Policy Files 7 

  [3] Custom JDK 

  ============================================================================== 

  Enter choice (1): 
 3 

  WARNING: JDK must be installed on all hosts and JAVA_HOME must be valid on all hosts. 

  WARNING: JCE Policy files are required for configuring Kerberos security. If you plan to use Kerberos,please make sure JCE Unlimited Strength Jurisdiction Policy Files are valid on all hosts. 

  Path to JAVA_HOME: 
  /usr/local/java/jdk1.8.0_121 

  Validating JDK on Ambari Server...done. 

  Completing setup... 

  Configuring database... 

  Enter advanced database configuration [y/n] (n)? y 

  Configuring database... 

  ============================================================================== 

  Choose one of the following options: 

  [1] - PostgreSQL (Embedded) 

  [2] - Oracle 

  [3] - MySQL / MariaDB 

  [4] - PostgreSQL 

  [5] - Microsoft SQL Server (Tech Preview) 

  [6] - SQL Anywhere 

  [7] - BDB 

  ============================================================================== 

  Enter choice (3): 
  3 

  Hostname (master): 
 master 

  Port (3306): 
 3306 

  Database name (ambari): 
 ambari 

  Username (ambari): 
 ambari 

  Enter Database Password (ambari): 
 ambari 

  Configuring ambari database... 

  Copying JDBC drivers to server resources... 

  Configuring remote database connection properties... 

  WARNING: Before starting Ambari Server, you must run the following DDL against the database to create the schema: /var/lib/ambari-server/resources/Ambari-DDL-MySQL-CREATE.sql 

  Proceed with configuring remote database connection properties [y/n] (y)? 
 y 

  Extracting system views... 

  ............ 

  Adjusting ambari-server permissions and ownership... 

  Ambari Server 'setup' completed successfully. 

  启动ambari-server 

  [root@master 桌面]# 
 ambari-server start 

  Using python /usr/bin/python 

  Starting ambari-server 

  Ambari Server running with administrator privileges. 

  Organizing resource files at /var/lib/ambari-server/resources... 

  Ambari database consistency check started... 

  Server PID at: /var/run/ambari-server/ambari-server.pid 

  Server out at: /var/log/ambari-server/ambari-server.out 

  Server log at: /var/log/ambari-server/ambari-server.log 

  Waiting for server start................................................... 

  Server started listening on 8080 

  DB configs consistency check: no errors and warnings were found. 

  Ambari Server 'start' completed successfully. 

  6. 访问ambari web管理界面，浏览器输入localhost:8080进入管理界面，默认用户名：admin 密码：admin 进入后如下图： 

  7.创建集群 点击 Launch Install Wizard 然后入集群名称 点击next 如下图： 

  8. 
 Select Version 选择HDP版本。HDP版本对应的是一组生态组件的版本。根据自己需要的组件版本选择一个即可。我选择的是HDP-2.5 

 
 下面的内容，使用公共资源库即可（推荐把资源下载到本地，然后使用本地库。Public Repo的话需要很长时间）。【Skip ……】这个也不用选，进入下一步。 

  9. 
 Install Options 安装配置。这一步要谨慎 

 
  Target Hosts要指定Hosts列表，这个hostname的格式必须是Fully Qualified Domain Name (FQDN)，简单点说，必须是一个域名的格式，如下图所示。/etc/hosts当然也要与之对应 
 
  Host Registration Information  这里要选择使用私钥，并上传作为Ambari的主机的 
  私钥 
  ，当然也可以直接粘贴私钥的内容 注：id_dsa是私钥,id_dsa.pub 是公钥。UserAccount使用root 端口不用改

  10. 
 Confirm Hosts 

 
  从上一步过来后，在这一步会自动节点注册，并会显示进度及注册状况 

 
 可以点击①查看有哪些注册过程中缺少的内容 

  11. 
 Choose Services 选择集群中需要安装的服务 

 
 有些服务是必须得，或者是被依赖的，如果没选的 点击下一步的时候会有提示。 

  12. 
 Assign Masters 给各节点组件分配资源，这个自己看着来就行 

  13. 
 Assign Slaves and Clients  配置从节点和客户端。注意最后一列的Client指的是各种客户端，而不是某一种。 

  14. 
 Customize Service 服务的自定义设置 

 
 这一步里大部分都可以使用默认项，少部分需要改动和设置，如Hive和Oozie需要指定数据库密码等,下一步 

  15.Review 直接下步 

  16.Install,Start and Test 

  这一步有点慢，等到所有节点注册成功后点下一步 ，如下图： 

  17.Summary 

  直接点击Complete按钮 

  18.完成安装 

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