Linux - install mysql

1, download mode

1, access mysql link   https://dev.mysql.com/downloads/mysql/

2, mysql download

wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.26-linux-glibc2.12-x86_64.tar.gz
tar -xvzf mysql-5.7.26-linux-glibc2.12-x86_64.tar.gz
mv mysql-5.7.26-linux-glibc2.12-x86_64 mysql

3. Create mysql user

groupadd mysql
useradd -r -g mysql mysql

4, edit the configuration file

cp support-files/my-default.cnf /etc/my.cnf
vim /etc/my.cnf

[mysqld]
basedir = /usr/local/mysql
datadir = /usr/local/mysql/data
port = 330

socket = /tmp/mysql.sock
character-set-server = utf8
skip-name-resolve

log-err = /usr/local/mysql/data/error.log
pid-file = /usr/local/mysql/data/mysql.pid

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

5, set permissions

chown -R root:root .
chown -R mysql:mysql data

6, initialization mysql

./scripts/mysql_install_db --user=mysql --defaults-file=/etc/my.cnf

7, install mysql

cp ./support-files/mysql.server /etc/init.d/mysqld
cp ./support-files/mysql.server /etc/rc.d/init.d/mysql
chmod 700 /etc/init.d/mysql
chkconfig --add mysqld
chkconfig --level 2345 mysqld on

8, modify the login authority

mysql -uroot -p
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'root' with grant option;
Flush privileges;