Shulou(Shulou.com)06/03 Report--

(1) Experimental environment

L experimental medium

 CentOS-7-x86_64-Everything-1708.iso

 jdk-8u144-linux-x64.tar.gz

 ambari-2.6.0.0-centos7.tar.gz

 HDP-2.6.3.0-centos7-rpm.tar.gz

 HDP-UTILS-1.1.0.21-centos7.tar.gz

Here we take Vmware as an example to install a virtual machine

L prepare three CentOS virtual machines, three nodes: one Cloudera Manager node, two Agent nodes

The installation is as follows:

N HDP21:Server GUI 、 Development Tools 、 MariaDB

N HDP22 、 HDP23:Server GUI 、 Development Tools

II) install and configure CentOS (per machine)

Note that the following two options are selected

L Server With GUI

L Development Tools

L MariaDB Server (that is, MySQL database): note that it is only installed on hdp21

L turn off the firewall

Systemctl stop firewalld.service

Systemctl disable firewalld.service

L configure hostname: edit / etc/hosts file

L configure password-free login

L configure ntp service

Create directory: mkdir / root/cdroom/

* Mount CD: mount / dev/cdrom / root/cdroom/

Delete all original repo files

Create the source file of yum: vi / etc/yum.repos.d/my.repo

[centos-yum]

Baseurl= file:///root/cdroom

Enabled=1

Gpgcheck=0

Open the NTP service

Yum install ntp

Systemctl is-enabled ntpd

Systemctl enable ntpd

Systemctl start ntpd

 installs the Apache Http service (only needs to be installed on hdp21)

Yum install httpd

 starts the Apache Http service

Systemctl start httpd.service

Systemctl enable httpd.service

 validates the Http service and uses a browser to visit the following web pages:

192.168.164.21

(3) install JDK (per machine)

Be careful, this step is not the same as before!

L uninstall the original Java environment of the system

Step 1: view the installation packages for all current Java environments using the following command

Rpm-qa | grep java

Step 2: remove all Java installation packages using the following command

Rpm-e-- nodeps package name

L install the new JDK environment

Upload jdk-8u161-linux-x64.rpm to the / root/toolsm directory

Install JDK:rpm-ivh jdk-8u161-linux-x64.rpm

Z. execute the following command to set the environment variable:

Echo "JAVA_HOME=/usr/java/latest/" > > / etc/environment

L verify the JDK environment

!

(IV) configure MariaDB (on HDP21)

L start MariaDB

Systemctl start mariadb

Systemctl enable mariadb (Boot self-boot)

L configure MariaDB

Mysql_secure_installation

# the first step is to set the password, which will prompt you to enter the password first

Enter current password for root (enter for none):

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