1, see the mysql installation directory
Review the installation directory from the directory etc / my.cnf in
2, enter the directory mysql, mysql stop service
Command: cd usr / local / mysql
Command: service mysql stop
3, moving the entire mysql directory
命令：cp -rf /usr/local/mysql/ home/mysql
4, modify the mysql my.cnf file location and save
[client]
default-character-set=utf8
[mysqld]
character-set-server=utf8
datadir=/home/mysql/data
basedir=/home/mysql
socket=/home/mysql/tmp/mysql.sock
lower_case_table_names=1
[mysqld_safe]
log-error=/home/mysql/log/mysqld.log
5, restart the service:
Command: cd usr / local / mysql
Command: service mysql start
Encounter problems:
Starting MySQL.The server quit without updating PID file (/home/local/mysql/data/localhost.localdomain.pid).
To solve the problem: Modify / home / local / mysql / data directory permissions
Modify authority to order: chown -R mysql.mysql / home / local / mysql / data