1. 准备6和7的 YUM源包
1.1 centos 下载后解压到同一个目录
http://mirrors.163.com/centos/6/isos/x86_64/CentOS-6.9-x86_64-bin-DVD1.iso
http://mirrors.163.com/centos/6/isos/x86_64/CentOS-6.9-x86_64-bin-DVD2.iso
mount -o loop CentOS-6.9-x86_64-bin-DVD1.iso /mnt
/bin/cp -r /mnt/* /data/mirrors/centos69/
umount /mnt
mount -o loop CentOS-6.9-x86_64-bin-DVD2.iso /mnt
/bin/cp -r /mnt/* /data/mirrors/centos69/
http://mirrors.163.com/centos/7/isos/x86_64/CentOS-7-x86_64-Everything-1611.iso
1.2 epel
https://mirrors.aliyun.com/epel/6/x86_64/
https://mirrors.aliyun.com/epel/7/x86_64/
http://centos.ustc.edu.cn/epel/6/x86_64/
http://centos.ustc.edu.cn/epel/7/x86_64/
1.3 ambari
1.4 hdp
见hdp6.repo 和 hdp7.repo
1.5 hdp_utils
见hdp6.repo 和 hdp7.repo
2. 下载yum源包到本地
mkdir mirrors
yum repolist
reposync -r epel6_x86_64
3. 环境准备
3.0 hosts setup
3.1 ssh-keygen
3.2 ssh-copy-id
3.3 iptables
chkconfig iptables off
3.4 NetworkManager
chkconfig NetworkManager off
3.5 selinux
cat /etc/sysconfig/selinux
3.6 关闭THP
3.7 设置最大打开文件
/etc/security/limits.conf
* soft nofile = 65536
* hard nofile = 65536
root soft nofile 65536
root hard nofile 65536
/etc/profile
ulimit -n 65536
3.8 JDK 自动下载即可
3.9 NTP
chkconfig ntpd on;service ntpd restart
3.10 安装httpd服务，架设yum源
service httpd start
ln -s /data/mirrors /var/www/html/mirrors
yum clean all
yum makecache
yum repolist
3.11 安装base包
yum install yum-utils createrepo mysql-connector-java httpd links openssh wget vim openssh-clients openssl gcc openssh-server mysql-connector-odbc -y
4. ambari 安装
5. HDP安装
4.1 HA安装
引用：
http://www.yp14.cn/2016/12/09/Centos7-2%E5%AE%89%E8%A3%85Ambari2-4-2-HDP2-5-3%E6%90%AD%E5%BB%BAHadoop%E9%9B%86%E7%BE%A4/
https://docs.hortonworks.com/HDPDocuments/Ambari-2.4.2.0/bk_ambari-installation/content/hdp_25_repositories.html
http://mirrors.163.com/centos/
http://mirrors.aliyun.com/
ftp://gmcc:gmcc@www.wangyougx.com
ftp://gmcc:gmcc@www.wangyougx.com/sdi1/hadoop%B0%B2%D7%B0%B0%FC/ambari-2.5.1.0-centos6.tar.gz
http://public-repo-1.hortonworks.com/ambari/centos6/2.x/updates/2.4.2.0/ambari-2.4.2.0-centos6.tar.gz
http://public-repo-1.hortonworks.com/ambari/centos7/2.x/updates/2.4.2.0/ambari-2.4.2.0-centos7.tar.gz
http://public-repo-1.hortonworks.com/HDP/centos6/2.x/updates/2.5.3.0/HDP-2.5.3.0-centos6-rpm.tar.gz
http://public-repo-1.hortonworks.com/HDP-UTILS-1.1.0.21/repos/centos6/HDP-UTILS-1.1.0.21-centos6.tar.gz
http://public-repo-1.hortonworks.com/HDP/centos7/2.x/updates/2.5.3.0/HDP-2.5.3.0-centos7-rpm.tar.gz
http://public-repo-1.hortonworks.com/HDP-UTILS-1.1.0.21/repos/centos7/HDP-UTILS-1.1.0.21-centos7.tar.gz
http://centos.ustc.edu.cn/epel/6/x86_64/