Linux foundation - centos7 offline installation of MySQL

Big data series articles ： Catalog

One 、 Preparation before installation

1. MySQL rpm Package preparation

① open MySQL The download page , Choose the version you want

• MySQL Download page links ：https://dev.mysql.com/downloads/mysql/
• Alibaba cloud MySQL Mirror image （ recommend ）：https://mirrors.aliyun.com/mysql/?spm=a2c6h.13651104.0.0.712126b0xBBqsR

② Find the version you want to install , Click download .

2. CentOS7 Environmental preparation

The detailed installation method can be seen below ：

Content	link
CentOS install	Build a big data environment —— CentOS install

3. XShell And Xftp

The white whoring process can be seen below ：

Content	link
Tool acquisition — XShell	Linux Basics —— XShell Get the guide for free

Two 、 Start installation

1. uninstall MySQL

For the sake of insurance , Prevent previously installed MySQL And now MySQL Conflict , Just uninstall it first MySQL.

① see MySQL rely on

rpm -qa | grep mysql

If you find anything , To uninstall in the next step , without , No need .

② uninstall MySQL

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

2. send out MySQL Install the package on the node host

① establish ftp Connect

Use here sftp The protocol transfers the file to the node , open xftp , Fill in information , Building links .

② Send the installation package file

take MySQL Drag the installation package to the directory you want to put .

3. install MySQL Installation package

cd Enter the installation directory , install MySQL Installation package .

# rpm -ivh +  Package name 

rpm -ivh MySQL-server-5.1.73-1.glibc23.x86_64.rpm
rpm -ivh MySQL-client-5.1.73-1.glibc23.x86_64.rpm

3、 ... and 、 Simple configuration

1. Configure boot up

service mysql start

chkconfig mysql on

2. modify MySQL password

Because what is installed here is 5.6 The following versions , The following operations are only for 5.6 The following versions are available

① Input mysql Get into MySQL

mysql

② Operate the database to change the password

use mysql;	#  Switch database 

user set password=password('123456') where user='root' and host='localhost';	#  Change the password to  123456

flush privileges	#  Configuration takes effect 

exit	# sign out  MySQL

3. Configure to allow remote access

use mysql;	#  Switch database 

update user set host = '%' where user = 'root';	#  Configure to allow remote host access  root

flush privileges	#  Configuration takes effect 

If an error is reported, it can be ignored , Query again user surface , Will find % Is added .