找资源 hdp3.1.6
安装ambari 2.7.5
参考：
文档：https://cwiki.apache.org/confluence/display/AMBARI/Installation+Guide+for+Ambari+2.7.5
经验：https://blog.csdn.net/jiajane/article/details/103952426
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环境
1、centos7.8
2、jdk 8
tar -zxvf jdk-8u281-linux-x64.tar.gz
mv jdk1.8.0_281 /opt/tools/installed/
## /etc/profile
export JAVA_HOME=/opt/tools/installed/jdk1.8.0_281
export PATH=$JAVA_HOME/bin:$PATH
3、mvn 3.6.3
tar -zxvf apache-maven-3.6.3-bin.tar.gz
mv apache-maven-3.6.3 /opt/tools/installed/
## /etc/profile
export M2_HOME=/opt/tools/installed/apache-maven-3.6.3
export PATH=$M2_HOME/bin:$PATH
4、nodejs
# 更换 yum node 源
curl -sL https://rpm.nodesource.com/setup_10.x | sudo bash - （或者最新的长期支持版 https://rpm.nodesource.com/setup_lts.x ）
yum install nodejs
npm install -g node-gyp bower
5、rpm-build
yum -y install rpm
yum -y install rpm-build
6、gcc-c++
yum install -y gcc-c++
7、git
yum install -y git
8、ant
tar -zxvf apache-ant-1.9.15-bin.tar.gz
mv apache-ant-1.9.15 /opt/tools/installed/
export ANT_HOME=/opt/tools/installed/apache-ant-1.9.15
export PATH=$ANT_HOME/bin:$PATH
9、修改 ambari-admin/pom.xml 中 nodeVersion、npmVersion
<configuration>
<nodeVersion>v6.17.1</nodeVersion>
<npmVersion>3.10.10</npmVersion>
<workingDirectory>src/main/resources/ui/admin-web/</workingDirectory>
<npmInheritsProxyConfigFromMaven>false</npmInheritsProxyConfigFromMaven>
</configuration>
10、https://docs.cloudera.com/HDPDocuments/Ambari-2.7.5.0/bk_ambari-installation/content/enable_ntp_on_the_cluster_and_on_the_browser_host.html
yum install -y ntp
节点心跳丢失
ambari-agent restart
