[ubuntu-mysql 8 installation and master-slave replication]

One 、 install

1.1 linux Universal installation

Linux install MySQL8.x The detailed steps
notes ：
About chkconfig --add mysql , service mysql I won't support it chkconfig Solutions for
Ubuntu Lower installation sysv-rc-conf Report errors ：“E: Unable to locate package sysv-rc-conf“

1.2 apt install

05-ubuntu install mysql8
Ubuntu 18.04 apt install MySQL8.0
mysql Use apt After successful installation :

1.2.1 Set up mysql Service starts automatically

systemctl enable mysql

1.2.2 to grant authorization mysql Remote connection

Mysql 8.0.13 Turn on Remote Access

Two 、 Master slave copy

Main library 【ubuntu18.04 mysql8.0.29】
Slave Library 【windows mysql8.0.26】

2.1 Main library

2.1.1 Main library configuration

File path ：/etc/mysql/mysql.conf.d/mysqld.cnf
Add configuration item ：

[mysqld]
log-bin         = mysql-bin       #[ must ] Enable binary logging 
server-id       = 1

2.1.2 Create an account for the slave Library

notes ：mysql Version inconsistency , The statement is slightly different , Here is mysql8.0.29

CREATE USER 'slave'@'%' IDENTIFIED WITH 'mysql_native_password' BY '123456';
GRANT REPLICATION SLAVE ON *.* TO 'slave'@'%';

The above instruction creates a user slave, The password for 123456, And give replication permission .

2.2 Slave Library

2.2.1 Configuration from library

From library yes windows
route ： stay mysql Install under directory my.ini file

[mysqld]
#[ must ] The server is unique ID
server-id=2 

restart mysql service

2.2.2 Modify the synchronization database

CHANGE MASTER TO MASTER_HOST='192.168.1.101', # master server IP
MASTER_PORT=3306, # Primary server port 
MASTER_USER='user1', # Primary server user name 
MASTER_PASSWORD='userpwd', # Master server user password 
MASTER_LOG_FILE='mysql-bin.000001', # Log file name , Get method look down 
MASTER_LOG_POS=2235; # Also get from the following method 

start-up SLAVE process ：

start slave;

display information ：

show  slave status\G

Reference resources ：Windows The structures, mysql Distributed master-slave database