LINUX上多MYSQL服务安装试验
作者 佚名技术
来源 Linux系统
浏览
发布时间 2012-05-13
1、按照常规安装. [root@ff_girl mysql5122]# chown -R root . [root@ff_girl mysql5122]# chown -R mysql data [root@ff_girl mysql5122]# chgrp -R mysql . [root@ff_girl mysql5122]# cp support-files/my-small.cnf /etc/my5122.cnf [root@ff_girl mysql5122]# scripts/mysql_install_db --basedir=/usr/local/mysql5122/ --datadir=/usr/local/mysql5122/data/ --user=mysql Installing MySQL system tables... OK Filling help tables... OK To start mysqld at boot time you have to copy support-files/mysql.server to the right place for your system ... 首次启动MYSQL [root@ff_girl mysql5122]# bin/mysqld_safe --defaults-file=/etc/my5122.cnf & [1] 13700 [root@ff_girl mysql5122]# 080124 15:01:46 mysqld_safe Logging to ''/usr/local/mysql5122/data/localhost.localdomain.err''. 080124 15:01:46 mysqld_safe Starting mysqld daemon with databases from /usr/local/mysql5122/data [root@ff_girl mysql5122]# bin/mysql -uroot -p -S/tmp/mysql5122.sock Enter password: Welcome to the MySQL monitor. Commands end with ; or g. Your MySQL connection id is 1 Server version: 5.1.22-rc MySQL Community Server (GPL) Type ''help;'' or ''h'' for help. Type ''c'' to clear the buffer. mysql> show databases; -------------------- | Database | -------------------- | information_schema | | mysql | | test | -------------------- 3 rows in set (0.00 sec) 给MYSQLD_MULTI赋SHUTDOWN权限. mysql> grant shutdown on *.* to multi_admin@''localhost'' identified by ''123456''; Query OK, 0 rows affected (0.00 sec) mysql> flush privileges; Query OK, 0 rows affected (0.00 sec) mysql> exit Bye 拥有帝国一切,皆有可能。欢迎访问phome.net停掉MYSQL服务. [root@ff_girl ~]# /usr/local/mysql5122/bin/mysqladmin -uroot -p -S/tmp/mysql5122.sock shutdown Enter password: [root@ff_girl ~]# 拷贝元数据. [root@ff_girl mysql5122]# cp data data2 [root@ff_girl mysql5122]# mv data data1 [root@ff_girl mysql5122]# chown -R mysql data2 [root@ff_girl mysql5122]# chgrp -R mysql . 示例配置文件 [root@ff_girl mysql5122]# cat /etc/my5122.cnf [mysqld_multi] mysqld = /usr/local/mysql5122/bin/mysqld_safe mysqladmin = /usr/local/mysql5122/bin/mysqladmin user = multi_admin password = 123456 # The MySQL server [mysqld1] socket = /tmp/mysql1.sock port = 3307 pid-file = /usr/local/mysql5122/data1/david_yeung.pid1 datadir = /usr/local/mysql5122/data1 language = /usr/local/mysql5122/share/mysql/english user = mysql # The MySQL server [mysqld2] port = 3308 socket = /tmp/mysql2.sock pid-file = /usr/local/mysql5122/data2/david_yeung.pid2 datadir = /usr/local/mysql5122/data2 language = /usr/local/mysql5122/share/mysql/english user = mysql ... [isamchk] key_buffer = 8M sort_buffer_size = 8M [myisamchk] key_buffer = 8M sort_buffer_size = 8M [mysqlhotcopy] interactive-timeout [root@ff_girl mysql5122]# 启动两个MYSQL服务 [root@ff_girl mysql5122]# /usr/local/mysql5122/bin/mysqld_multi --config-file=/etc/my5122.cnf start 1-2 [root@ff_girl mysql5122]# netstat -an | grep 3307 tcp 0 0 0.0.0.0:3307 0.0.0.0:* |
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