mysql in linux
####init.d
/etc/init.d/mysql start/stop/status
####service
service mysql start/stop/status
####log
/var/log/mysql.log
/var/log/mysql.err
####init.d
/etc/init.d/mysql start/stop/status
####service
service mysql start/stop/status
####log
/var/log/mysql.log
/var/log/mysql.err