CentOS6CentOS
CentOS6 修改 MySQL 配置
查看系统是否安装了MySQL -->使用命令:
rpm -qa | grep mysql
卸载已安装的MySQL-->使用命令:
#rpm -e --nodeps mysql-libs-5.1.61-4.el6.x86_64要将 /var/lib/mysql文件夹下的所有文件都删除干净
MySQ安装:
1. 执行命令:安装mysql-server
yum -y install mysql-server
service mysqld start 或 /etc/init.d/mysqld start
复制my-large.cnf文件到/etc/my.cnf --> 执行命令:
cp /usr/share/doc/mysql-server-4.1.12/my-large.cnf /etc/my.cnf如果提示是否覆盖,Y 即可;
打开my.cnf修改编码 --> 执行命令:
vim /etc/my.cnf在[mysqld]下添加:default-character-set=utf8修改指定的默认的引擎:default-storage-engine=INNODB是否区分大小写: lower_case_table_names=1 0:区分大小写 1:不区分大小写<p>在[client]下添加:default-character-set=utf8</p>
service mysqld restart 或 /etc/init.d/mysqld restart
mysql 或 mysql -uroot -p查看 mysql的编码show variables like 'character%'; 显示:+--------------------------+----------------------------+| Variable_name | Value |+--------------------------+----------------------------+| character_set_client | utf8 || character_set_connection | utf8 || character_set_database | utf8 || character_set_filesystem | binary || character_set_results | utf8 || character_set_server | utf8 || character_set_system | utf8 || character_sets_dir | /usr/share/mysql/charsets/ |+--------------------------+----------------------------+修改成功;
为连接MySQL的主机分配权限(方便远程连接MySQL数据库):
mysql> GRANT ALL ON *.* TO 'username'@'%' identified by 'password' WITH GRANT OPTION; //%可以是你的IP 注意:修改在防火墙 开启 3306 端口;在本人博客:http://my.oschina.net/haopeng/blog/268523
安装完成之后为MySQL设置root密码--> 使用命令:
/usr/bin/mysqladmin -u root password '123456'
修改mysql root 密码:
SET PASSWORD FOR 'root'@'localhost' = PASSWORD('newpass');
mysql安装目录说明
/var/lib/mysql 数据库文件/usr/share/mysql 命令及配置文件/usr/bin (mysqladmin、mysqldump等命令)