ubuntu20.24安装mysql

# 命令安装
sudo apt-get update
sudo apt-get install -y mysql-server mysql-client

# 进入mysql命令行
mysql -udebian-sys-maint -p
# 输入/etc/mysql/debian.cnf中的password

# 修改密码
use mysql;
update user set authentication_string='123456' where user='root';
FLUSH PRIVILEGES;