Note: This article is mainly instructions to install mysql on Linux, the command is not too much to explain.
1 detects whether installed mysql
rpm -qa | grep mysqlIf the rpm -e mysql installed, (simple deletion) rpm -e --nodeps mysql (simple + Delete to delete its dependencies)
2. Install mysql
a. download the package
Download here using the yum command: wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
b. to start the installation
Installation rpm command to install: rpm -ivh mysql-community-release-el7-5.noarch.rpm
c. Publishing Service
yum Update (yum installation because this command, to avoid individual software is not compatible, the update yum select command, the operation according to the needs, may not be performed)
Publishing Service: yum install mysql-server
d. Set permissions
chown mysql:mysql -R /var/lib/mysql
e. initializing MySQL
mysqld --initialize Note: Some versions do not need to initialize
f. Start MySQL
systemctl start mysqld
Note: mysql warning to non-root user login startup switch, you can switch to another user to start, you can also add user = mysql in the /etc/my.cnf
g. Check the status Mysql
systemctl status mysqld can check whether to start Mysql
mysqladmin --version If Mysql start, you can check Mysql version
h. initialization Mysql root password
Add skip-grant-tables in the file /etc/my.cnf (allowing mysql quickly reset passwords), systemctl restart mysqld (restart mysql)
Use Mysql command mysql -u root -p Enter password is empty directly enter
After a successful login:
View gallery show databases;
Enter the mysql database use mysql;
Perform change password sql update user set password = password ( "your new password") where User = "root";
After the password change is completed, exit log back Mysql mysql -u root -p Enter password: Enter your new password
i. set up remote access Mysql database
Initialization complete account password, MySQL database default native access, access on other computers is not allowed.
So that other computers can access: Log on to perform MySQL grant all privileges on * * to 'root' @ '%' identified by 'your root account password';
3. this Linux MySQL database installation is complete!
systemctl start mysqld start MySQL
systemctl stop mysqld stop MySQL
systemctl restart mysqld restart MySQL
View systemctl status mysqld MySQL status
a little bit. . . . . . . . . . . .