Home Database Mysql Tutorial Linux CentOS MySQL database installation and configuration example sharing

Linux CentOS MySQL database installation and configuration example sharing

Jan 13, 2018 pm 04:47 PM
centos linux mysql

This article mainly introduces the installation and configuration tutorial of Linux CentOS MySQL database in detail. It has certain reference value. Interested friends can refer to it. I hope it can help everyone.

Notes on installing mysql database, share with everyone

a) Download the mysql source installation package: wget http://dev.mysql.com/get/mysql57-community-release-el7- 8.noarch.rpm

b) Install mysql source: yum localinstall mysql57-community-release-el7-8.noarch.rpm

If complete! appears at the end, the MySQL source installation is complete

c) Check whether the installation is complete: yum repolist enabled | grep "mysql.*-community.*"

d) Install mysql: yum install mysql -community-server

If Complete! appears at the end, the MySQL installation is complete

e) Set up and start the mysql service: systemctl enable mysqld

f) Check the installed mysql version :rpm -aq | grep -i mysql

g) Start the MySQL service: systemctl restart mysqld

h) Check the MySQL initial password: grep 'A temporary password' /var/log/mysqld.log

i) Change MySQL password: mysqladmin -u root -p'old password' password 'new password'

There is a problem with changing the password here and the change fails. This is because the password is too simple. There are two direct solutions:

Method one: Make the password more complicated (this is the most direct method)

Method two: Turn off mysql password strength verification (validate_password)

Edit the configuration file: vim /etc/my.cnf, add this line validate_password=off

Restart the mysql service after editing: systemctl restart mysqld

j) Set mysql to be accessible remotely:

Log in to MySQL: mysql -uroot -p password

Add a user to grant access rights: grant all privileges on *.* to 'root'@'ip address' identified by 'password' with grant option; //You can change the ip to %%, which means opening all

OK, I will try to connect locally.

Okay, it’s over here, I wish everyone no bugs.

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