在没有密码提示的情况下在 Ubuntu 上安装 MySQL
如何编写脚本在 Ubuntu 上安装 MySQL 服务器?
How do I write a script to install MySQL server on Ubuntu?
sudo apt-get install mysql 会安装，但也会要求在控制台输入密码.
sudo apt-get install mysql will install, but it will also ask for a password to be entered in the console.
如何以非交互式方式执行此操作?也就是写个脚本可以提供密码?
How do I do this in a non-interactive way? That is, write a script that can provide the password?
#!/bin/bash
sudo apt-get install mysql # To install MySQL server
# How to write script for assigning password to MySQL root user
# End
推荐答案
sudo debconf-set-selections <<< 'mysql-server mysql-server/root_password password your_password'
sudo debconf-set-selections <<< 'mysql-server mysql-server/root_password_again password your_password'
sudo apt-get -y install mysql-server
对于特定版本，例如mysql-server-5.6，您需要像这样指定版本:
For specific versions, such as mysql-server-5.6, you'll need to specify the version in like this:
sudo debconf-set-selections <<< 'mysql-server-5.6 mysql-server/root_password password your_password'
sudo debconf-set-selections <<< 'mysql-server-5.6 mysql-server/root_password_again password your_password'
sudo apt-get -y install mysql-server-5.6
对于 mysql-community-server，key 略有不同:
For mysql-community-server, the keys are slightly different:
sudo debconf-set-selections <<< 'mysql-community-server mysql-community-server/root-pass password your_password'
sudo debconf-set-selections <<< 'mysql-community-server mysql-community-server/re-root-pass password your_password'
sudo apt-get -y install mysql-community-server
将 your_password 替换为所需的 root 密码.(似乎 your_password 也可以为空白 root 密码留空.)
Replace your_password with the desired root password. (it seems your_password can also be left blank for a blank root password.)
如果您的 shell 不支持 here-strings(zsh、ksh93 和 bash 支持它们)，使用:
If your shell doesn't support here-strings (zsh, ksh93 and bash support them), use:
echo ... | sudo debconf-set-selections
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