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@lize240810
Created September 19, 2019 09:18
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Ubuntu上安装使用mysql 教程 修改初始密码
# 安装mysql
```
sudo apt install mysql-server
```
# ubuntu18.04 首次登录mysql未设置密码或忘记密码解决方法
1.首先输入以下指令:
```shell
sudo cat /etc/mysql/debian.cnf
```
2.输入显示的帐号与密码
```sql
mysql -u debian-sys-maint -p
```
3. 修改帐号与密码
1.使用mysql
```sql
use mysql;
```
2.修改帐号与密码
```sql
update mysql.user set authentication_string=password('root') where user='root' and Host ='localhost';
```
3.修改配置
```
update user set plugin="mysql_native_password";
```
4.保存设置
```
flush privileges;
```
5. 退出
```
quit;
```
4.使用mycli
```
sudo apt install mycli
```
@MaoJianwei
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赞!原来Ubuntu安装完还有非root默认账号的

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