mysql的四种启动方式: 1、mysqld 启动mysql服务器:./mysqld --defaults-file=/etc/my.cnf --user=root 客户端连接: mysql --defaults-file=/etc/my.cnf or mysql -S /tmp/mysql.sock
2、mysqld_safe 启动mysql服务器:./mysqld_safe --defaults-file=/etc/my.cnf --user=root & 客户端连接: mysql --defaults-file=/etc/my.cnf or mysql -S /tm/mysql.sock
3、mysql.server cp -v /usr/local/mysql/support-files/mysql.server /etc/init.d/ chkconfig --add mysql.server 启动mysql服务器:service mysql.server {start|stop|restart|reload|force-reload|status} 客户端连接:同1、2
4、mysqld_multi mkdir $MYSQL_BASE/data2 cat <<-EOF>> /etc/my.cnf [mysqld_multi] mysqld = /usr/local/mysql/bin/mysqld_safe mysqladmin = /user/local/mysql/bin/mysqladmin user = mysqladmin password = mysqladmin
[mysqld3306] port            = 3306 socket          = /tmp/mysql3306.sock pid-file = /tmp/mysql3306.pid skip-external-locking key_buffer_size = 16M max_allowed_packet = 1M table_open_cache = 64 sort_buffer_size = 512K net_buffer_length = 8K read_buffer_size = 256K read_rnd_buffer_size = 512K myisam_sort_buffer_size = 8M basedir = /usr/local/mysql datadir = /usr/local/mysql/data
[mysqld3307] port            = 3307 socket          = /tmp/mysql3307.sock pid-file = /tmp/mysql3307.pid skip-external-locking key_buffer_size = 16M max_allowed_packet = 1M table_open_cache = 64 sort_buffer_size = 512K net_buffer_length = 8K read_buffer_size = 256K read_rnd_buffer_size = 512K myisam_sort_buffer_size = 8M basedir = /usr/local/mysql datadir = /usr/local/mysql/data2 EOF
#mysql -S /tmp/mysql3306.sock mysql>GRANT SHUTDOWN ON *.* TO 'mysqladmin'@'localhost' identified by 'mysqladmin' with grant option;
#mysql -S /tmp/mysql3307.sock mysql>GRANT SHUTDOWN ON *.* TO 'mysqladmin'@'localhost' identified by 'mysqladmin' with grant option;
启动mysql服务器:./mysqld_multi --defaults-file=/etc/my.cnf start 3306-3307 关闭mysql服务器:mysqladmin shutdown
可参考< > http://dev.mysql.com/doc/refman/5.1/zh/database-administration.html#server-side-scripts

快照源:http://blog.chinaunix.net/uid-13642598-id-3153537.html