MySQL offline deployment

1. Software preparation

Mysql5.7.24tar

link ：https://pan.baidu.com/s/1W21ew4LY_i3AGMzALho1zw?pwd=1234 
Extraction code ：1234 
 

Linux CentOS7 7.6_1810

link ：https://pan.baidu.com/s/1NV4MjfORIj290Q3scy6iYQ?pwd=pzse 
Extraction code ：pzse

Mind mapping tools

https://mubu.com/inv/12356104

free , Succinct can be “ Mind mapping ” Copy and paste the article to get a mind map （ No joy, no spray. ）

 

2. Installation steps

adopt scp The order will mysql The compressed package is uploaded to root root directory

Get into root Root directory decompression mysql Compressed package  ：tar -xvf mysql-5.7.24-linux-glibc2.12-x86_64.tar.gz

Query the system's own database

rpm -qa | grep -i mariadb

Uninstall the built-in database

rpm -e --nodeps mariad-libs （ Or bring the query name with the name of the database ）

take mysql Unzipped files are moved to /usr/local/mysql In file

mv mysql-5.7.24-linux-glibc2.12-x86_64 /usr/local/mysql

establish mysql User group and change permissions

groupadd mysql

useradd -r -g mysql mysql

Create a data directory and give permissions

mkdir -p /data/mysql

chown mysql:mysql -R /data/mysql

cd ..

To configure my.cnf

vim /etc/my.cnf

[mysqld]

bind-address=0.0.0.0

port=3306

user=mysql

basedir=/usr/local/mysql

datadir=/data/mysql

socket=/tmp/mysql.sock

log-error=/data/mysql/mysql.err

pid-file=/data/mysql/mysql.pid

character_set_server=utf8mb4

symbolic-links=0

explicit_defaults_for_timestamp=true

Initialize database

Get into mysql Of bin Catalog

cd /usr/local/mysql/bin

initialization mysql

 ./mysqld --defaults-file=/etc/my.cnf --basedir=/usr/local/mysql/ --datadir=/data/mysql/ --user=mysql --initialize

Check the password

 cat /data/mysql/mysql.err

start-up mysql

First the mysql.server Placed in /etc/init.d/mysql in

cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql

start-up mysql（ restart ：service mysql restart）

service mysql start

ps -ef|grep mysql

 

Mysql Installation successful ！

Sign in mysql And change the password

stay bin Under the document ./mysql -u root -p

Enter the password you inquired before

 

Change Password

SET PASSWORD = PASSWORD('123456');

Mysql8.0 Then set the password format to ：ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123456';

 ALTER USER 'root'@'localhost' PASSWORD EXPIRE NEVER;

FLUSH PRIVILEGES;

 

Set up remote connection database

stay mysql Middle input finger ：use mysql

update user set host = '%' where user = 'root';

 

FLUSH PRIVILEGES;

 

Turn off firewall

systemctl  stop firewalld

systemctl disable firewalld

systemctl status firewalld

 

Verify remote connection

open Navicat