install mysql

shell> groupadd mysql 
shell> useradd -r -g mysql mysql 
shell> cd /usr/local 
shell> tar zxvf /path/to/mysql-VERSION-OS.tar.gz 
shell> ln -s full-path-to-mysql-VERSION-OS mysql 
shell> cd mysql 
shell> chown -R mysql . 
shell> chgrp -R mysql . 
shell> scripts/mysql_install_db --user=mysql 
shell> chown -R root . 
shell> chown -R mysql data 
# Next command is optional 
shell> cp support-files/my-medium.cnf /etc/my.cnf 
shell> bin/mysqld_safe --user=mysql & 
# Next command is optional 
shell> cp support-files/mysql.server /etc/init.d/mysql.server

mysql