CentOS MySQL 5.1 配置
CentOS MySQL配置
安装MySQL
sudo yum -y install mysql-server
mysql目录为:
/usr/share/mysql
mysql配置文件路径为:
/etc/my.cnf
验证MySQL
rpm -qa | grep mysql-server
配置字符集
编辑配置文件
sudo vim /etc/my.cnf
在[mysqld]和[client]节点下添加(没有client则新建)
#mysql 5.1
default-character-set = utf8
#mysql 5.5
character-set-server = utf8
自启动配置
打开自启动
sudo chkconfig mysqld on
查看自启动,2-5为on表示成功
sudo chkconfig --list mysqld
配置防火墙
编辑iptables
sudo vim /etc/sysconfig/iptables
添加如下规则
#mysql port
-A INPUT -p tcp -m tcp --dport 3306 -j ACCEPT
保存退出后重启防火墙
sudo service iptables restart
初始化mysql
启动mysql
sudo service mysqld start
初始化mysql环境
mysql -u root
查看mysql的用户
-- 5.1
select user,host,password from mysql.user;
-- 5.7
select user,host,authentication_string from mysql.user;
修改root密码
set password for root@localhost=password('123456');
set password for root@127.0.0.1=password('123456');
退出后登录root用户输入密码验证
mysql -u root -p
删除匿名用户
查看是否有匿名用户
select user,host from mysql.user;
删除匿名用户
delete from mysql.user where user='';
刷新,使操作生效
flush privileges;
插入新用户
-- mysql5.1
insert into mysql.user(Host,User,Password) values ("localhost","gavinandre",password("123456"));
-- mysql5.7
CREATE USER 'gavinandre'@'localhost' IDENTIFIED BY '123456';
flush privileges;
创建数据库
create database `test_database` default character set utf8 collate utf8_general_ci;
导入sql文件
use test_database;
source /directory/test_database.sql;
show tables;
flush privileges;
添加权限
指定用户赋予所有权限
grant all privileges on test_database.* to gavinandre@localhost identified by '123456' with grant option;
指定用户开通外网所有权限
grant all privileges on *.* to gavinandre@'%' identified by '123456' with grant option;
删除赋予的权限
revoke all privileges on test_database.* from gavinandre@localhost identified by '123456';
revoke grant option on test_database.* from gavinandre@localhost identified by '123456';
flush privileges;
查询权限
show grants for gavinandre@localhost;
select * from mysql.user \G;
mysql常用命令
启动
sudo service mysqld start
关闭
sudo service mysqld stop
重启
sudo service mysqld restart