mysql中grant all privileges on赋给用户远程权限
改表法。
当你的帐号不允许从远程登陆,只能在localhost
连接时。这个时候只要在mysql服务器上,更改 mysql
数据库里的 user
表里的 host
项,从localhost"
改成%
即可实现用户远程登录
在安装mysql的机器上运行:
1. mysql -u root -p 2. select host,user from user where user='root'; 3. update user set host = '%' where user='root' and host='localhost'; 4. select host, user from user where user='root';
授权法
[root@aaa-server ~]# mysql -u root -p MariaDB [(none)]> grant all privileges on *.* to root@'%' identified by '123' with grant option; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> flush privileges; Query OK, 0 rows affected (0.01 sec) MariaDB [(none)]> flush privileges; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> exit Bye
授权法。
例如,你想user
使用mypwd
从任何主机连接到mysql服务器的话。
在安装mysql的机器上运行:
1. GRANT ALL PRIVILEGES ON *.* TO 'user'@'%' IDENTIFIED BY 'mypwd' WITH GRANT OPTION; 2.FLUSH PRIVILEGES; 模板: grant all privileges on 库名.表名 to '用户名'@'IP地址' identified by '密码' with grant option; flush privileges;
如果你想允许用户
user
从ip为192.168.1.4
的主机连接到mysql
服务器,并使用mypwd
作为密码
在安装mysql的机器上运行:
GRANT ALL PRIVILEGES ON *.* TO 'user'@'192.168.1.3' IDENTIFIED BY 'mypwd' WITH GRANT OPTION; FLUSH PRIVILEGES;
注意授权后必须FLUSH PRIVILEGES;否则无法立即生效。
高版本数据库不能按照grant all privileges on *.* to "root"@"%" identified by "xxxx";
去修改用户权限
mysql> SELECT @@VERSION; +-----------+ | @@VERSION | +-----------+ | 8.0.14 | +-----------+ 1 row in set (0.00 sec)
高版本修改用户权限方法:
# 先创建远程用户,再授权 mysql> create user 'root'@'%' identified by 'password'; Query OK, 0 rows affected (0.03 sec) mysql> grant all privileges on *.* to 'root'@'%' with grant option; Query OK, 0 rows affected (0.01 sec) mysql> flush privileges; Query OK, 0 rows affected (0.00 sec)
再次查看发现有了root %
mysql> select User,Host from user; +------------------+-----------+ | User | Host | +------------------+-----------+ | root | % | | mysql.infoschema | localhost | | mysql.session | localhost | | mysql.sys | localhost | | root | localhost | +------------------+-----------+ 5 rows in set (0.00 sec) ————————————————
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