Install mysql8 for Linux X ultra detailed graphic tutorial

1、 download Mysql8.X Version installation package

1.1 You can download it directly with Baidu online disk

link ：https://pan.baidu.com/s/1lc5ctVyp7kXXZXCsh9AiRA?pwd=yyds
Extraction code ：yyds

1.2 Download from the official website

The website links
The specific download steps can be seen in another article I wrote separately mysql Download blog Jump Links

2、 Download good mysql Install package upload linux

3、Linux Installation procedure on

• install Mysql rely on 【perl net-tools】

yum install perl net-tools -y

• uninstall mariadb

rpm -qa | grep mariadb

rpm -e --nodeps mariadb-libs-5.5.60-1.el7_5.x86_64

• install mysql
• decompression mysql

tar -xvf mysql-8.0.18-1.el7.x86_64.rpm-bundle.tar

• Install the required installation package （ Four packages after decompression ）
  Install step by step , You can't take a random step , Otherwise, unload the corresponding slave

rpm -ivh mysql-community-common-8.0.18-1.el7.x86_64.rpm

rpm -ivh mysql-community-libs-8.0.18-1.el7.x86_64.rpm

rpm -ivh mysql-community-client-8.0.18-1.el7.x86_64.rpm

rpm -ivh mysql-community-server-8.0.18-1.el7.x86_64.rpm

4、 Change custom password

• start-up mysql

systemctl start mysqld

• Find the password and log in Mysql

cat /var/log/mysqld.log | grep password

mysql -u root -p

Enter the newly generated mysql Random cipher

• modify Mysql password 8.0 Version input command

set global validate_password.policy=LOW; 
set global validate_password.length=6;

• Change encryption 、

ALTER USER 'root'@'localhost' IDENTIFIED BY '123456' PASSWORD EXPIRE NEVER;

• Update user password

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123456';

• Refresh the permissions

FLUSH PRIVILEGES;

5、 Modify the remote connection

use mysql; 
update user set host='%' where user = 'root'; 
commit; 
exit;

• restart mysq

systemctl restart mysqld;

• Local navicat Connect remote mysql The server