Installing MySQL under Linux [details]

1、 Download installation package ( With Mysql5.7 For example )

Download mode 1 https://dev.mysql.com/downloads/mysql/5.7.html

Download mode 2 ：

wget http://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.36-linux-glibc2.12-x86_64.tar.gz

2、 Decompress

 tar -zxvf  mysql-5.7.36-linux-glibc2.12-x86_64.tar.gz

The unzipped folder name is too long , You can rename it

mv mysql-5.7.36-linux-glibc2.12-x86_64  mysql-5.7.36

3、 Some related configurations

Get into mysq-5.7.36 Under the table of contents , Create a new one data Folder

mkdir data

---

To give permission ：

chmod -R 777 data

Create user 、 Group information

groupadd mysql
useradd -g mysql mysql

modify etc/my.cnf file , Here's the whole story , Please change the path to your own installation path

[mysqld]
bind-address=0.0.0.0
port=3306
user=mysql
basedir=/qijingjing/resource/mysql/mysql-5.7.36
datadir=/qijingjing/resource/mysql/mysql-5.7.36/data
socket=/tmp/mysql.sock
log-error=/qijingjing/resource/mysql/mysql-5.7.36/data/mysql.err
pid-file=/qijingjing/resource/mysql/mysql-5.7.36/data/mysql.pid
character_set_server=utf8mb4
symbolic-links=0
explicit_defaults_for_timestamp=true

Get into mysql5.7.36 Of bin Execute the following command under the directory ( Be careful : Path modify your own )

./mysqld --initialize --user=mysql --datadir=/qijingjing/resource/mysql/mysql-5.7.36/data/ --basedir=/qijingjing/resource/mysql/mysql-5.7.36/

Yes mysql The default password is generated for viewing ( It is required to log in later )

cat /qijingjing/resource/mysql/mysql-5.7.36/data/mysql.err

Add soft connection -> So we can start in any directory mysql

ln -s /qijingjing/resource/mysql/mysql-5.7.36/support-files/mysql.server /etc/init.d/mysql

ln -s /qijingjing/resource/mysql/mysql-5.7.36/bin/mysql /usr/bin/mysql

service mysql restart

land mysql

start-up

service mysql start

land

mysql -uroot -p

Enter the password and log in :

Change Password

set password=password(' You need to set the password ');
flush privileges;

Modify access rights

use mysql;
update user set Host='%' where User='root';
flush privileges;

4、 External access

To access the Internet, you need to set the corresponding firewall 3306 Port release , Do the following

firewall-cmd --zone=public --add-port=3306/tcp --permanent
systemctl restart firewalld.service

If it's a cloud server , To configure release in the security group ：

Come here , We can use SQLyog perhaps Navicat Tools are connected using .