The CentOS system is installed through the tar.gz package Mysql5.7

1. Before installing MySQL, you need to ensure that the system has Libaio dependencies, using the following command:

2. Go to the CentOS terminal interface and download the mysql5.7 64-bit installation file using the wget command:

Wget-c https://cdn.mysql.com//downloads/mysql-5.7/ Mysql-5.7.18-linux-glibc2.5-x86_64.tar.gz

Download Complete:

3. Extract the MySQL installation package to the specified directory with the following command:

TAR-ZXVF mysql-5.7. -LINUX-GLIBC2. 5

4. Enter the/usr/local directory:

Cd/usr/local

5. Create a soft link for the MySQL installation directory:

Ln-s mysql-5.7. -LINUX-GLIBC2. 5-x86_64 MySQL

6. Add MySQL user group and MySQL user to CentOS (the-s/bin/false parameter specifies that the MySQL user has only ownership and no login privileges):

-r-g mysql-s/bin/false MySQL

7. Go to the directory where the MySQL software is installed and command the following:

Cd/usr/local/mysql

8. Modify the current directory owner for the new MySQL user, the command is as follows:

Chown-r Mysql:mysql./

9. Install MySQL with the following command:

./bin/mysqld--user=mysql--basedir=/usr/local/mysql--datadir=/usr/local/mysql/data--initialize

When the installation is complete, the following information appears, recording the randomly generated login password:

10. Start the MySQL service with the following command:

./support-files/mysql.server Start

11. Place the MySQL process into the system process with the following command:

CP Support-files/mysql.server/etc/init.d/mysqld

12. Restart the MySQL service with the following command:

Service mysqld Restart

13. Log in to the MySQL database using a random password, with the following command:

Mysql-u root-p

Wait for the system prompt, enter a random password, you can log in

14. Enter the MySQL operation line and set a new password for the root user (small set to Rootroot):

' Root '@'localhost'rootroot';

15. Set the Allow remote connection to the database with the following command:

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

16. Refresh the permissions with the following command:

Flush privileges;

The CentOS system is installed through the tar.gz package Mysql5.7