CDH-7.1.4 installation error resolution

Error 1

rpm -ivh cloudera-manager-server-db-2-7.1.4-6363010.el7.x86_64.rpm 
警告：cloudera-manager-server-db-2-7.1.4-6363010.el7.x86_64.rpm: 头V3 RSA/SHA256 Signature, 密钥 ID b0b19c9f: NOKEY
错误：依赖检测失败：
	postgresql10-server >= 10 被 cloudera-manager-server-db-2-7.1.4-6363010.el7.x86_64 需要

solve

Download the lower version, then go to the official website https://yum.postgresql.org/10/redhat/rhel-7-x86_64/repoview/postgresqldbserver10.group.html to download the 10 version of the rpm package, you need to download 3 packages

postgresql10-10.15-1PGDG.rhel7.x86_64.rpm
postgresql10-libs-10.15-1PGDG.rhel7.x86_64.rpm
postgresql10-server-10.15-1PGDG.rhel7.x86_64.rpm

Download old version

rpm -e --nodeps `rpm -qa|grep postgres`

Install the new version
Install dependencies

yum -y install libicu

Install version 10 postgresql

rpm -ivh postgresql10-libs-10.15-1PGDG.rhel7.x86_64.rpm
rpm -ivh postgresql10-10.15-1PGDG.rhel7.x86_64.rpm
rpm -ivh postgresql10-server-10.15-1PGDG.rhel7.x86_64.rpm

Install cloudera-manager-server-db

rpm -ivh cloudera-manager-server-db-2-7.1.4-6363010.el7.x86_64.rpm 
警告：cloudera-manager-server-db-2-7.1.4-6363010.el7.x86_64.rpm: 头V3 RSA/SHA256 Signature, 密钥 ID b0b19c9f: NOKEY
准备中...                          ################################# [100%]
正在升级/安装...
   1:cloudera-manager-server-db-2-7.1.################################# [100%]

Error 2

rpm -ivh cloudera-manager-agent-7.1.4-6363010.el7.x86_64.rpm 
警告：cloudera-manager-agent-7.1.4-6363010.el7.x86_64.rpm: 头V3 RSA/SHA256 Signature, 密钥 ID b0b19c9f: NOKEY
错误：依赖检测失败：
	bind-utils 被 cloudera-manager-agent-7.1.4-6363010.el7.x86_64 需要
	httpd 被 cloudera-manager-agent-7.1.4-6363010.el7.x86_64 需要
	mod_ssl 被 cloudera-manager-agent-7.1.4-6363010.el7.x86_64 需要
	openssl-devel 被 cloudera-manager-agent-7.1.4-6363010.el7.x86_64 需要
	python-psycopg2 <= 2.8.3 被 cloudera-manager-agent-7.1.4-6363010.el7.x86_64 需要
	MySQL-python 被 cloudera-manager-agent-7.1.4-6363010.el7.x86_64 需要

solve

Installation dependencies

yum -y install bind-utils httpd mod_ssl openssl-devel python-psycopg2 MySQL-python

Continue installation

rpm -ivh cloudera-manager-agent-7.1.4-6363010.el7.x86_64.rpm 
警告：cloudera-manager-agent-7.1.4-6363010.el7.x86_64.rpm: 头V3 RSA/SHA256 Signature, 密钥 ID b0b19c9f: NOKEY
准备中...                          ################################# [100%]
正在升级/安装...
   1:cloudera-manager-agent-7.1.4-6363################################# [100%]
Created symlink from /etc/systemd/system/multi-user.target.wants/cloudera-scm-agent.service to /usr/lib/systemd/system/cloudera-scm-agent.service.
Created symlink from /etc/systemd/system/multi-user.target.wants/cloudera-scm-supervisord.service to /usr/lib/systemd/system/cloudera-scm-supervisord.service.

Error 3

Request to Host Monitor timed out. This may cause slow page response.
Insert picture description here

solve

Change Monitor service configuration

Insert picture description here
Adjust this memory according to the recommended value, then restart the service and operate on the web interface. The specific operation steps are not repeated.

Error 4

hdfs reported unable to create /tmp/

solve

sudo -u hdfs hdfs dfsadmin -safemode leave