1 Cloudera 文档总地址

https://www.cloudera.com/documentation/enterprise/6/6.0.html

2 Cloudera Manager 和CDH下载地址

Cloudera Manager下载地址:
https://archive.cloudera.com/cm6/6.0.1/redhat7/yum/RPMS/x86_64/

下载上线的rpm,然后把这些文件放到/root目录下

CDH下载地址:

https://archive.cloudera.com/cdh6/6.0.1/parcels/,需要下载以下文件:
CDH-6.0.1-1.cdh6.0.1.p0.590678-el7.parcel
CDH-6.0.1-1.cdh6.0.1.p0.590678-el7.parcel.sha256
manifest.json

以上三个文件放到/opt/cloudera/parcel-repo/目录下,如果没有此目录,可以自己手动创建。

此外在下面的官网介绍中:
https://www.cloudera.com/documentation/enterprise/6/release-notes/topics/rg_cm_6_version_download.html

里面有
Cloudera Manager Release Notes
Cloudera Installation Guide
Gloudera Enterprise Upgrade Guide

Repositories
Type                    Location (baseurl)                                  Repo File
RHEL 7 Compatible      https://archive.cloudera.com/cm6/6.0.1/redhat7/yum/   cloudera-manager.repo

如果想下载其它的软件rpm包,下载地址是:
https://archive.cloudera.com/cdh6/6.1.0/redhat7/yum/RPMS/x86_64/

3 阅读Introduction中的CDH


阅读以下章节

4 安装CDH 6.0.1集群

以下安装过程分别参考:http://www.cnblogs.com/piperck/p/9944469.html 和 官网

4.1 软件环境

操作系统

[root@hadoop15 ~]# uname -a
Linux hadoop15 3.10.0-693.el7.x86_64 #1 SMP Tue Aug 22 21:09:27 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux[root@hadoop15 ~]# cat /etc/redhat-release
CentOS Linux release 7.4.1708 (Core)

机器配置
要注意的是,不同角色的机器,内存可以配置不一样,一般做Master节点的机器所需要的内存要多一些

IP               内存  操作系统        角色
192.168.106.155 12G Centos7.4   Server + agent
192.168.106.156 9G  Centos7.4   Agent
192.168.106.157 8G  Centos7.4   Agent
192.168.106.151 1.5G Centos7.4   mysql

4.2 安装CDH 的准备工作

4.2.1 安装wget

yum -y install wget

4.2.2 更新安装vim,安装vim增强包

yum -y install vim-enhanced

4.2.3 配置host和hostname

官网介绍:

配置域名相关,因为只有三台机器组集群,所以直接使用了hosts的方法,参考官网地址可以是:https://www.cloudera.com/documentation/enterprise/6/6.0/topics/configure_network_names.html
1.配置在集群中的每个节点的host

A:105机器
[root@hadoop15 ~]# hostnamectl set-hostname  cdh1
B:106机器
[root@localhost ~]# hostnamectl set-hostname  cdh2
C:107机器
[root@localhost ~]# hostnamectl set-hostname  cdh3

检查hostname

[root@hadoop15 ~]# hostname
cdh1[root@localhost ~]# hostname
cdh2[root@localhost ~]# hostname
cdh2

2、编辑/etc/hosts
参考网址:https://www.cloudera.com/documentation/enterprise/6/6.0/topics/configure_network_names.html,三台机器配置成下面相同的配置:

[root@localhost etc]# cat /etc/hosts
192.168.106.155   cdh1
192.168.106.156   cdh2
192.168.106.157   cdh3

3、编辑/etc/sysconfig/network
参考地址:https://www.cloudera.com/documentation/enterprise/6/6.0/topics/configure_network_names.html

[root@localhost ~]# vim /etc/sysconfig/network
[root@localhost ~]# cat /etc/sysconfig/network
HOSTNAME=cdh1[root@localhost ~]# vim /etc/sysconfig/network
[root@localhost ~]# cat /etc/sysconfig/network
HOSTNAME=cdh2[root@localhost ~]# vim /etc/sysconfig/network
[root@localhost ~]# cat /etc/sysconfig/network
HOSTNAME=cdh3

验证配置
uname –a 需要和 hostname 得到一致的域名
修改前:

修改后:

4.2.4 设置防火墙

参考文章:https://www.cloudera.com/documentation/enterprise/6/6.0/topics/install_cdh_disable_iptables.html

1.保存存在的iptables规则设置(略)
2.禁用iptables (centos7发现没有),替代的是firewalled

停止: systemctl disable firewalld
禁用: systemctl stop firewalld

4.2.5 设置SELinux

vim /etc/sysconfig/selinux
SELINUX=enforcing 改为 SELINUX=disabled

或使用如下配置:

1.检查SELinux的状态

[root@localhost etc]# getenforce
Disabled
[root@localhost etc]#

2.如果输出是Permissive或者Disabled,你可以跳过此任务,然后开始下面的操作
3.打开/etc/selinux/config文件,在一些系统中,是/etc/sysconfig/selinux 文件
4.修改文件中的SELINUX=enforcing为SELINUX=permissive
笔者配置如下:

5.保存和关闭这个文件
6.重启系统或者使用下面的命令立即停止SELinux

$ setenforce 0

当你已经安装部署了CDH之后,你可以在/etc/selinux/config(或/etc/sysconfig/selinux 文件)通过改变SELINUX=permissive为SELINUX=enforcing重新启用SELINUX,接着运行下面的命令快速切换到enforcing模式

setenforce 1

4.2.6 启用NTP

文档地址:https://www.cloudera.com/documentation/enterprise/6/6.0/topics/install_cdh_enable_ntp.html

CDH需要你在集群中的每个机器中配置Network Time Protocal(NTP)服务,在开机的时候自动重启NTP。在你的集群中执行下面的每个步骤。
1. 安装NTP
兼容RHEL的命令:

yum install ntp

2. 配置NTP
官网此处的配置,笔者没有配置

A:配置NTP

vim /etc/ntp.conf

master配置:(选用复旦大学ntp服务器)

slave配置:(同步master)

B:开启NTP服务

service ntpd start
chkconfig ntpd on

C:查看同步效果
命令:ntpstat

4.2.7 安装Hue所需的Python2.7

1.安装Software Collections Library (3个节点都执行以下命令)

yum install centos-release-scl

2.安装Software Collections utilities (3个节点都执行以下命令)

yum install scl-utils

3.安装Python 2.7 (3个节点都执行以下命令)

yum install python27

4.验证python2.7已经被安装了

[root@cdh3 ~]# source /opt/rh/python27/enable
[root@cdh3 ~]# python --version
Python 2.7.13

4.2.8 3台机器间设置SSH免密

在cdh1,cdh2,cdh3下执行

ssh-keygen -t rsa   (这个过程一直打enter)
ssh-copy-id cdh1
ssh-copy-id cdh2
ssh-copy-id cdh3

执行完成之后,分别执行

ssh cdh1
ssh cdh2
ssh cdh3

如果不需要再进行密码设置,说明免密设置已经完成了

4.3 安装Cloudera Manager和CDH

4.3.1 安装JDK

关于JDK要求:https://www.cloudera.com/documentation/enterprise/6/6.0/topics/cdh_ig_jdk_installation.html

这里使用oracle-j2sdk1.8,此步骤略,按照官网进行安装

Jdk要求:
A:JDK必须是64位的,不要使用32位的
B:每个集群节点都要安装
C:JDK必须安装在/usr/java/jdk-version.

yum install oracle-j2sdk1.8

如果下载了这个jdk,直接使用:

rpm -ivh oracle-j2sdk1.8-1.8.0+update141-1.x86_64.rpm

4.3.2 为Clouder Manager配置一个Repository (如果已经下载了Cloudera Manager,此步骤可以忽略)

参考文章:https://www.cloudera.com/documentation/enterprise/6/6.0/topics/configure_cm_repo.htmlhttp://www.cnblogs.com/piperck/p/9944469.html首先Cloudera为用户准备好了专用的程序仓库,需要下载下来
wget https://archive.cloudera.com/cm6/6.0.0/redhat7/yum/cloudera-manager.repo -P /etc/yum.repos.d/# Import the repository signing GPG key
rpm --import https://archive.cloudera.com/cm6/6.0.0/redhat7/yum/RPM-GPG-KEY-cloudera

4.3.3 安装Cloudera Manager Package

参考地址:https://www.cloudera.com/documentation/enterprise/6/6.0/topics/install_cm_server.html

在下面这些步骤中,在Cloudera Manager机器(cdh1)上安装Cloudera Manager Packages,选择启用 自动-TLS

4.3.3.1 Install Cloudera Manager Packages

A:在Cloudera Manager服务器上,键入下面的命令安装Cloudera Manager

OS   命令
RHEL, CentOS, Oracle Linux   :    sudo yum install cloudera-manager-daemons cloudera-manager-agent cloudera-manager-server
SLES                          :    sudo zypper install cloudera-manager-daemons cloudera-manager-agent cloudera-manager-server
Ubuntu                         :      sudo apt-get install cloudera-manager-daemons cloudera-manager-agent cloudera-manager-server

B:如果你为Cloudera Manager使用的是Oracle database,在Cloudera Manager服务器上编辑/etc/default/cloudera-scm-server文件。定位到以export CMF_JAVA_OPTS的一行,改变-Xmx2G为-Xmx4G

如果网速不行,可以先下好Cloudera Manager和CDH。下载地址是:
Cloudera Manager: https://archive.cloudera.com/cm6/6.0.1/redhat7/yum/RPMS/x86_64/
CDH下载地址:https://archive.cloudera.com/cdh6/6.0.1/parcels/
即:

https://archive.cloudera.com/cdh6/6.0.1/parcels/

需要下载的内容是:

cloudera-manager-agent-6.0.1-610811.el7.x86_64.rpm
cloudera-manager-daemons-6.0.1-610811.el7.x86_64.rpm
cloudera-manager-server-6.0.1-610811.el7.x86_64.rpmjdk
oracle-j2sdk1.8-1.8.0+update141-1.x86_64.rpm

将以上安装文件可以放到/root目录下

关于安装:

Master节点(cdh1):
yum -y install cloudera-manager-agent cloudera-manager-daemons cloudera-manager-serverNode节点(cdh2,cdh3):
yum -y install cloudera-manager-agent cloudera-manager-daemons本地安装:
(网络好的话,可以忽略此步骤。)
cloudera-manager-agent-6.0.1-610811.el7.x8664.rpm
cloudera-manager-daemons-6.0.1-610811.el7.x8664.rpm
cloudera-manager-server-6.0.1-610811.el7.x8664.rpm
先安装 cloudera-manager-daemons-6.0.1-610811.el7.x8664.rpm 再安装其他的。

先安装下面的内容,因为cloudera-manager-agent依赖这些

yum install bind-utils psmisc cyrus-sasl-plain cyrus-sasl-gssapi portmap httpd mod_ssl openssl-devel python-psycopg2 MySQL-python /lib/lsb/init-functions

cdh1上执行以下命令:

rpm -ivh cloudera-manager-daemons-6.0.1-610811.el7.x86_64.rpm
rpm -ivh cloudera-manager-agent-6.0.1-610811.el7.x86_64.rpm
rpm -ivh cloudera-manager-server-6.0.1-610811.el7.x86_64.rpm
rpm -ivh cloudera-manager-server-db-2-6.0.1-610811.el7.x86_64.rpm

cdh2,cdh3上执行以下命令:

rpm -ivh cloudera-manager-daemons-6.0.1-610811.el7.x86_64.rpm
rpm -ivh cloudera-manager-agent-6.0.1-610811.el7.x86_64.rpm

4.3.3.2 启用Auto-TLS以自动创建证书(此步暂时不做)

JAVA_HOME=/usr/java/jdk1.8.0_141-cloudera /opt/cloudera/cm-agent/bin/certmanager --location /opt/cloudera/CMCA setup --configure-services

4.3.3.3 安装mysql

参考:https://blog.csdn.net/Sky_WANGJ/article/details/84030458
参考:http://www.cnblogs.com/piperck/p/9944469.html

wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
yum -y install mysql-community-release-el7-5.noarch.rpm
yum -y update
yum -y install mysql-server*.Move old InnoDB log files /var/lib/mysql/iblogfile0 and /var/lib/mysql/iblogfile1 out of /var/lib/mysql/ to a backup location.
rm -rf /var/lib/mysql/ib_logfile0 /var/lib/mysql/ib_logfile1启动mysql
systemctl enable mysqld
systemctl start mysqld初始化Mysql
/usr/bin/mysql_secure_installation[...]
Enter current password for root (enter for none):
OK, successfully used password, moving on...
[...]
Set root password? [Y/n] Y
New password:root
Re-enter new password:root
Remove anonymous users? [Y/n] Y
[...]
Disallow root login remotely? [Y/n] N
[...]
Remove test database and access to it [Y/n] Y
[...]
Reload privilege tables now? [Y/n] Y
All done!

4.3.3.4 安装MySQL JDBC驱动程序

wget https://cdn.mysql.com//Downloads/Connector-J/mysql-connector-java-5.1.46.tar.gztar zxvf mysql-connector-java-5.1.46.tar.gz#要注意的是后面的名字必须是mysql-connector-java.jar(可以将下面的jar包放到3台机器上)
cp mysql-connector-java-5.1.46-bin.jar /usr/share/java/mysql-connector-java.jar

4.3.3.5 必须配置数据库支持MySQL UTF8字符集编码

mysql -u root -p rootDROP DATABASE scm;
DROP DATABASE amon;
DROP DATABASE rman;
DROP DATABASE hue;
DROP DATABASE metastore;
DROP DATABASE sentry;
DROP DATABASE nav;
DROP DATABASE oozie;
DROP DATABASE activity_monitor;CREATE DATABASE hive DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;
GRANT ALL ON hive.* TO 'hive'@'%' IDENTIFIED BY 'root';
create database scm default character set utf8 default collate utf8_general_ci;
grant all on scm.* to 'scm'@'%' identified by 'root';
create database amon default character set utf8 default collate utf8_general_ci;
grant all on amon.* to 'amon'@'%' identified by 'root';
create database rman default character set utf8 default collate utf8_general_ci;
grant all on rman.* to 'rman'@'%' identified by 'root';
create database hue default character set utf8 default collate utf8_general_ci;
grant all on hue.* to 'hue'@'%' identified by 'root';
create database metastore default character set utf8 default collate utf8_general_ci;
grant all on metastore.* to 'hive'@'%' identified by 'root';
create database sentry default character set utf8 default collate utf8_general_ci;
grant all on sentry.* to 'sentry'@'%' identified by 'root';
create database nav default character set utf8 default collate utf8_general_ci;
grant all on nav.* to 'nav'@'%' identified by 'root';
create database oozie default character set utf8 default collate utf8_general_ci;
grant all on oozie.* to 'oozie'@'%' identified by 'root';CREATE DATABASE activity_monitor DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;
GRANT ALL ON activity_monitor.* TO 'activity_monitor'@'%' IDENTIFIED BY 'root';flush privileges;

笔者的如下:

创建完成之后查看数据库:

禁用透明大页面压缩(cdh1,cdh2,cdh3上都执行)

echo never > /sys/kernel/mm/transparent_hugepage/defrag
echo never > /sys/kernel/mm/transparent_hugepage/enabled并将上面的两条命令写入开机自启动
vim /etc/rc.local

优化交换分区

vim /etc/sysctl.confvm.swappiness = 10sysctl -p /etc/sysctl.conf

其它

echo never>/sys/kernel/mm/transparent_hugepage/defrag
echo never>/sys/kernel/mm/transparent_hugepage/enabled

4.3.3.6 设置Cloudera Manager数据库

mysql在本地时执行:
rm -rf /etc/cloudera-scm-server/db.mgmt.properties
/opt/cloudera/cm/schema/scm_prepare_database.sh mysql scm scm如果不在一台机器上,执行类似如下命令(cdh2为mysql所在位置,cdh1为cloudera manager server所在位置):
[root@cdh1 cloudera-scm-server]# /opt/cloudera/cm/schema/scm_prepare_database.sh mysql -h 192.168.106.151 --scm-host cdh1 scm scm[root@cdh1 cloudera-scm-server]# /opt/cloudera/cm/schema/scm_prepare_database.sh mysql -h 192.168.106.151 --scm-host cdh1 scm scm
Enter SCM password:
JAVA_HOME=/usr/java/jdk1.8.0_141-cloudera
Verifying that we can write to /etc/cloudera-scm-server
Creating SCM configuration file in /etc/cloudera-scm-server
Executing:  /usr/java/jdk1.8.0_141-cloudera/bin/java -cp /usr/share/java/mysql-connector-java.jar:/usr/share/java/oracle-connector-java.jar:/usr/share/java/postgresql-connector-java.jar:/opt/cloudera/cm/schema/../lib/* com.cloudera.enterprise.dbutil.DbCommandExecutor /etc/cloudera-scm-server/db.properties com.cloudera.cmf.db.
[                          main] DbCommandExecutor              INFO  Successfully connected to database.
All done, your SCM database is configured correctly!
[root@cdh1 cloudera-scm-server]#

上面过程中需要输入scm的密码,在上面的数据库创建语句中scm的密码被设置成了root,所以在此处也同样设置scm的密码为root

启动Cloudera Manager Server

将CHD6相关的Parcel包放到主节点的/opt/cloudera/parcel-repo/目录中,如果没有此目录,可以自己创建。(如果是在线安装,那么此步骤可以忽略。)注意:
最后将CDH-6.0.1-1.cdh6.0.1.p0.590678-el7.parcel.sha256,重命名为CDH-6.0.1-1.cdh6.0.1.p0.590678-el7.parcel.sha,这点必须注意,否则系统会重新下载CDH-6.0.1-1.cdh6.0.1.p0.590678-el7.parcel。存放了CDH和修改了HASH之后,设置Cloudera Manager数据库,启动Cloudera Manager Server,然后登录Cloudera Manager Admin Console:启动Cloudera Manager Server(cdh1上):
systemctl start cloudera-scm-server可以查看启动日志
tail -f /var/log/cloudera-scm-server/cloudera-scm-server.log看到此条信息,说明启动完成
INFO WebServerImpl:com.cloudera.server.cmf.WebServerImpl: Started Jetty server.启动agent(cdh1,cdh2,cdh3上):
systemctl start cloudera-scm-agent

要注意的是,在上传完上面的CDH之后,要在manifest.json 中找到CDH-6.0.1-1.cdh6.0.1.p0.590678-el7.parcel ,然后找到上面的hash值,即:

将2e650f1f1ea020a3efc98a231b85c2df1a50b030 替换掉CDH-6.0.1-1.cdh6.0.1.p0.590678-el7.parcel.sha 中的内容

登录

在Web浏览器中,转到 http://cdh1:7180/cmf/login,其中域名是运行Cloudera Manager Server的主机的FQDN或IP地址。如果有启用自动TLS,则会重定向到https: cdh1:7183,并显示安全警告。你可能需要表明你信任该证书,或单击以继续执行Cloudera Manager Server主机。登录Cloudera Manager Admin Console。默认凭据为:
Username: admin
Password: admin
注意:若admin,admin登录不进去,换个浏览器试试。

进入之后


点击第一个免费的即可








如果出现下面的错误:

如果上面过程中出现如下现象:

解决办法:灵感出自:http://www.ask3.cn/archives/29

将:vi /etc/cloudera-scm-agent/config.ini 中的 use_tls = 0 改成 use_tls = 1


网络上说的解决办法,参考:https://yq.aliyun.com/articles/578871。然后笔者使用了之后并不成功。最后定位到是上面各章节的配置没有配置好导致的,需要验证:网络是否通,各机器之间是否能够ssh免密,hostname,hosts等是否设置的正确,网络防火墙是否按照博文叙述进行配置。(为此,笔者重新虚拟过3遍3个集群,熬了3个到凌晨2,3点的夜晚)。所以在配置过程中一定要细心又细心。




最后:

5 卸载Cloudera Manager

systemctl stop cloudera-scm-server
systemctl stop cloudera-scm-agentyum -y remove 'cloudera-manager-*'yum clean allumount cm_processes
umount /var/run/cloudera-scm-agent/processrm -Rf /usr/share/cmf /var/lib/cloudera* /var/cache/yum/cloudera* /var/log/cloudera* /var/run/cloudera*
rm -rf /tmp/.scmpreparenode.lock
rm -Rf /var/lib/flume-ng /var/lib/hadoop* /var/lib/hue /var/lib/navigator /var/lib/oozie /var/lib/solr /var/lib/sqoop* /var/lib/zookeeper
rm -Rf datadrivepath/dfs datadrivepath/mapred datadrivepath/yarnrm -rf /var/lib/hadoop-* /var/lib/impala /var/lib/solr /var/lib/zookeeper /var/lib/hue /var/lib/oozie  /var/lib/pgsql  /var/lib/sqoop2  /data/dfs/  /data/impala/ /data/yarn/  /dfs/ /impala/ /yarn/  /var/run/hadoop-*/ /var/run/hdfs-*/ /usr/bin/hadoop* /usr/bin/zookeeper* /usr/bin/hbase* /usr/bin/hive* /usr/bin/hdfs /usr/bin/mapred /usr/bin/yarn /usr/bin/sqoop* /usr/bin/oozie /etc/hadoop* /etc/zookeeper* /etc/hive* /etc/hue /etc/impala /etc/sqoop* /etc/oozie /etc/hbase* /etc/hcatalogsystemctl stop mysqldyum -y remove mysql
rm -rf /var/lib/mysql
rm -rf /var/log/mysqld.log
rm -rf /var/lib/mysql/mysql
rm -rf /usr/lib64/mysql
rm -rf /usr/share/mysql
rm -rf /opt/clouderarpm -qa | grep -i mysql
卸载MySQL相关的文件。

6 Cloudera Manager重启,停止等涉及到的相关问题

发现如果是通过rpm -ivh *.rpm方式安装的软件,在机器重启之后,CM和CDH自动重启了。

如果发现没有自动重启或为了保险起见,启动Cloudera Manager和cdh的方式如下:

以下,第一行命令在cdh1上执行。第二行在所有的节点上执行
systemctl stop cloudera-scm-server
systemctl stop cloudera-scm-agent(cdh1上执行)
systemctl start cloudera-scm-server
(cdh1,cdh2,cdh3上都执行)
systemctl start cloudera-scm-agent  [root@cdh1 init.d]# ps -ef | grep cloudera-scm-server  (在CDH上执行)
查看CM的日志:
[root@cdh1 init.d]# tail -f /var/log/cloudera-scm-server/cloudera-scm-server.log

查看日志,然后一直等待到其启动完毕,大约要等待3~5分钟左右,然后在浏览器中输入:http://cdh1:7180/cmf/login

Cloudera Manager 和CDH6.0.1安装,卸载,各步骤截图(此博文为笔者辛苦劳作最终生成的,使用了3个熬到凌晨2~4点的夜晚,外加一个周末完成,请转载时记录转载之处,谢谢)相关推荐

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