MySQL installation of the Java Web Development environment under Linux

This article describes how to install the MySQL database under Linux.

1. Copy the downloaded MySQL installation file to the/home directory

2.TAR-XZVF the installation file name. Successful decompression will find that the current directory will be more than one folder.

3. Configuration < This is the most important ah, think about why this change? >

Let's first list the parameters that need to be modified.

① creating a MYSQL Group

Groupadd MySQL

Cat/etc/group | more//to see if the creation was successful

Why would you want to create a MySQL user group? Only people who join the group can use the database! Control rights Management.

② create mysql user and put it into MySQL group

Useradd-g MySQL mysql//add users

passwd mysql//Set Password

Rename folder name

MV Mysql-5.7.12-linux-glibc2.5-x86_64 MySQL

③ into the MySQL folder scripts/mysql_install_db--user==mysql ( Initialize database )

④chown-r Root. ( Modify the owner of the file )//. represents the current file

⑤chown-r MySQL data ( modify The owner of the Data folder )

⑥chgrp-r MySQL. ( change user group )

MySQL installation of the Java Web Development environment under Linux