86 lines
1.7 KiB
Markdown
86 lines
1.7 KiB
Markdown
---
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title: Ubuntu配置mariadb
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createTime: 2021/09/30
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tags:
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- Ubuntu
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---
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## 安装
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`sudo apt install mariadb-server`
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## 配置
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```bash
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# 启动 状态 重启
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sudo service mysql start
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service mysql status
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sudo service mysql restart
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# 初始化配置
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sudo mysql_secure_installation
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# 修改配置
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sudo vi mariadb.cnf
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# 端口号
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Port 1234
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# 允许远程连接登录
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bind-address = 0.0.0.0
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```
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## 修改用户
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```sql
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# 修改用户host
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update user set host = '%' where user = 'root';
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# 允许密码登录
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update user set plugin='mysql\_native\_password' where user='root';
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update user set password=password('password') where user='root';
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# 修改密码
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ALTER user 'root'@'localhost' IDENTIFIED BY 'passward';
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# 用户授权
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grant all privileges on \*.\* to 'user'@'host' identified by 'password' with grant option;
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# 添加权限（和已有权限合并，不会覆盖已有权限）
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GRANT Insert ON 'your database'.\* TO 'user'@'host';
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# 删除权限
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REVOKE Delete ON 'your database'.\* FROM 'user'@'host';
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# 查看权限
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show grants for 'user'@'localhost';
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# 回收权限
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revoke create on \*.\* from 'user@localhost';
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# 删除用户
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drop user 'user'@'localhost';
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# 重命名用户
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rename user 'user'@'%' to 'user1'@'%';
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```
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权限列表：
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## 解决 ERROR 1698 (28000)
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```bash
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sudo vi mysqld.cnf
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```
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加入以下字段
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```ini
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[mysqld]
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skip-grant-tables
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```
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```bash
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# 重启mysql服务
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sudo service mysql restart
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# 直接enter进mysql
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mysql -u root -p
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```
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Ubuntu 的日志在`/var/log/mysql`
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```sql
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use mysql
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update user set authentication_string=password("password"),plugin='mysql_native_password' where user='root';
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flush privileges;
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quit
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```
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