Linux MySQL 5.6.51 community generic installation tutorial

---

Preface

As a front-end development , install MySQL Is one of the most basic skills .

---

One 、 Get installation package

https://downloads.mysql.com/archives/community/

mysql-5.6.51-linux-glibc2.12-x86_64.tar.gz

Two 、 install

1. Unzip the installation package

Installation position

tar -zxvf mysql-5.6.51-linux-glibc2.12-x86_64.tar.gz

mv mysql-5.6.51-linux-glibc2.12-x86_64 mysql

2. Add system mysql Group and mysql user

groupadd mysql

useradd -r -g mysql mysql

3. Create and modify mysql Data directory

Check whether the data directory exists , Namely myql Is there under the directory data Catalog

The above figure shows data Catalog , No need to create

perform vim /etc/my.cnf modify mysql Data directory

4. Modify directory permissions

chown -R mysql:mysql ./

5. Initialize database

./scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data



Seeing the above output indicates that the database is initialized successfully

6. Modify the authority to root

chown -R root:root .

chown -R mysql:mysql data

7. Add startup service

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

Start the service ：service mysql start

You can see that the boot failed , According to the error message , Log directory has no permission to create , Manually create the log directory ：mariadb


create a file ：mariadb.log

Continue to start

According to the prompt, it is UNIX socket file non-existent , This file should be created automatically , Suspect that the directory does not exist , Check and find no /var/lib/mysql Catalog , Create it

Continue to start

The discovery was successful

8. Sign in mysql

here root The user login mysql There is no need to enter a password , If you want to set the password , Keep looking down

9. Set up root User password

UPDATE user SET Password=PASSWORD(‘ Replace with your own password ’) where USER=‘root’;
FLUSH PRIVILEGES;

Log in again

It is found that the password is not entered , Login denied . Check the settings just now mysql root User password .

---

summary

Original installation mysql Is not complicated , It will be more perfect if you can write this installation process into an automated script when you have time .

Reference documents

https://www.cnblogs.com/xinjing-jingxin/p/8025805.html
https://iwww.me/240.html