Apache Ambari是一种基于Web的工具，支持Apache Hadoop集群的供应、管理和监控。Ambari目前已支持大多数Hadoop组件，包括HDFS、MapReduce、Hive、Pig、 Hbase、Zookeper、Sqoop和Hcatalog等。
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一、前期环境准备
1.安装epel源
2.安装pdsh
yum -y install pdsh
3.在master和slave上配置hosts
cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.40.217 ambari
192.168.40.216 slave
4.设置免密码登录
ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa):
Enter passphrase (empty for no passphrase): #回车
Enter same passphrase again: #回车
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
01:f9:c3:e6:e2:cc:46:1c:55:68:c4:2d:2b:eb:77:09 root@localhost.localdomain
The key's randomart p_w_picpath is:
+--[ RSA 2048]----+
| .+.+. |
| ..* . |
| =.o |
| o *. |
| . *S. |
| = E |
| * . . . |
| * . o |
| . . . |
+-----------------+
[root@ambari ~]# cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
[root@ambari ~]# scp ~/.ssh/authorized_keys master:/root/.ssh/
[root@ambari ~]# scp ~/.ssh/authorized_keys slave:/root/.ssh/
5.关闭selinux 和防火墙
二、安装ambari
1.配置yum源
[root@ambari ~]# wget http://public-repo-1.hortonworks.com/ambari/centos6/2.x/updates/2.0.1/ambari.repo
[root@ambari ~]# mv ambari.repo /etc/yum.repos.d/
2.安装ambari-server
[root@ambari ~]# yum -y install ambari-server #过程比较慢，ambari-server包有80M大小
3.本地配置
[root@ambari ~]# ambari-server setup
Using python /usr/bin/python2.6
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):
Adjusting ambari-server permissions and ownership...
Checking iptables...
Checking JDK...
[1] Oracle JDK 1.7
[2] Oracle JDK 1.6
[3] - Custom JDK
==============================================================================
Enter choice (1): 1
JDK already exists, using /var/lib/ambari-server/resources/jdk-7u67-linux-x64.tar.gz
Installing JDK to /usr/jdk64/
Successfully installed JDK to /usr/jdk64/
Downloading JCE Policy archive from http://public-repo-1.hortonworks.com/ARTIFACTS/UnlimitedJCEPolicyJDK7.zip to /var/lib/ambari-server/resources/UnlimitedJCEPolicyJDK7.zip
UnlimitedJCEPolicyJDK7.zip... 100%
Successfully downloaded JCE Policy archive to /var/lib/ambari-server/resources/UnlimitedJCEPolicyJDK7.zip
Installing JCE policy...
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
[4] - PostgreSQL
==============================================================================
Enter choice (1):
Database name (ambari):
Postgres schema (ambari):
Username (ambari):
Enter Database Password (bigdata):
Default properties detected. Using built-in database.
Configuring ambari database...
Checking PostgreSQL...
Running initdb: This may take upto a minute.
Initializing database: [ OK ]
About to start PostgreSQL
Configuring local database...
Connecting to local database...done.
Configuring PostgreSQL...
Restarting PostgreSQL
Extracting system views...
..ambari-admin-2.0.1.45.jar
.
Adjusting ambari-server permissions and ownership...
Ambari Server 'setup' completed successfully.
###这里由于下载jdk速度过慢。我提前把jdk下载下来放到了/var/lib/ambari-server/resources/目录
[root@ambari ~]# cd /var/lib/ambari-server/resources/
[root@ambari resources]# mv /root/jdk-7u67-linux-x64.tar.gz .
4.启动服务
[root@ambari ~]# ambari-server start
Using python /usr/bin/python2.6
Starting ambari-server
WARNING: The hostname was not found in the reverse DNS lookup. This may result in incorrect behavior. Please check the DNS setup and fix the issue.
Ambari Server running with administrator privileges.
Organizing resource files at /var/lib/ambari-server/resources...
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
启动ambari报错
WARNING: The hostname was not found in the reverse DNS lookup. This may result in incorrect behavior. Please check the DNS setup and fix the issue. ‘
这个问题是由于没有把主机名已经对应的ip加到/etc/hosts 导致的。
5.访问web
http://ip:8080 默认用户是admin，密码admin
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