Centos安装MySQL5.7.22文档

tar -zxvf mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz

mv mysql-5.7.22-linux-glibc2.12-x86_64 mysql

mv mysql /usr/local

groupadd mysql添加用户组cseradd mysql -g mysql 添加用户到用户组chown -R mysql .chgrp -R mysql .

vim /etc/my.cnf

[mysqld]datadir=/usr/local/mysql/data dir=/usr/local/mysqlsocket=/var/lib/mysql/mysql.sockuser=mysql# Disabling symbolic- s is recommended to prevent assorted security riskssymbolic- s=0 [mysqld_safe]log-error=/var/log/mysqld.logpid-file=/var/run/mysqld/mysqld.pid

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

./bin/mysqld

cd /var/libmkdir mysqlchmod 777 mysql

./bin/mysql -uroot -p -S/var/lib/mysql/mysql.sock

set password for root@localhost = password('123');

cp /usr/local/mysql/support-files/mysql.server /etc/rc.d/init.d/mysqld# 赋予可执行权限chmod +x /etc/rc.d/init.d/mysqld