源码编译安装 MySQL 5.5.x-Csslinux
创建my.cnf配置文件 #mkdir /opt/mysql/log#mkdir /opt/mysql/etc
#cp support-files/my-medium.cnf /opt/mysql/etc/my.cnf
初始化数据库
执行前需赋给scripts/mysql_install_db文件执行权限
#chmod 755 scripts/mysql_install_db
#scripts/mysql_install_db --user=mysql --basedir=/opt/mysql/ --datadir=/opt/mysql/data/
创建管理MySQL数据库的shell脚本
#mkdir /opt/mysql/init.d
#cp support-files/mysql.server /opt/mysql/init.d/mysql
赋予shell脚本可执行权限：
#chmod +x /opt/mysql/init.d/mysql
启动MySQL：
#/opt/mysql/init.d/mysql start
通过命令行登录管理MySQL服务器（提示输入密码时直接回车）：
#/opt/mysql/bin/mysql -u root -p -S /tmp/mysql.sock
输入以下SQL语句，创建一个具有root权限的用户（admin）和密码（12345678）：
GRANT ALL PRIVILEGES ON *.* TO 'admin'@'localhost'>
GRANT ALL PRIVILEGES ON *.* TO 'admin'@'127.0.0.1'> 为root帐户设置初始密码
#/opt/mysql/bin/mysqladmin -u root password 'new-password'
删除本机匿名连接的空密码帐号
/opt/mysql/bin/mysql -uroot -p'new-password'
mysql>use mysql; //选择系统数据库mysql
mysql>select Host,User,Password from user; //查看所有用户
mysql>delete from user where password="";
mysql>flush privileges;
mysql>select Host,User,Password from user; //确认密码为空的用户是否已全部删除
mysql>exit;
页:
[1]