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mysql的四種啟動方式: 1、mysqld 啟動mysql服務器:./mysqld --defaults-file=/etc/my.cnf --user=root 客戶端連接: mysql --defaults-file=/etc/my.cnf or mysql -S /tmp/mysql.sock 2、mysqld_safe 啟動mysql服務器:./mysqld_safe --defaults-file=/etc/my.cnf --user=root & 客戶端連接: 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 啟動mysql服務器:service mysql.server {start|stop|restart|reload|force-reload|status} 客戶端連接: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; 啟動mysql服務器:./mysqld_multi --defaults-file=/etc/my.cnf start 3306-3307 關閉mysql服務器:mysqladmin shutdown 可參考<<MySql5.1參考手冊>> http://dev./doc/refman/5.1/zh/database-administration.html#server-side-scripts
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