Linux下实现软件的静默安装 debconf

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1. 用debconf-show + 包名查出预配置项。

2. 在脚本里,用debconf-set-selections设置然后安装


debconf-set-selections命令

1.功能作用

在debconf database中插入默认值

2.位置

/usr/bin/debconf-set-selections

3.格式用法

debconf-set-selections [-vcu] [file]

4.主要参数

5.应用实例

1、命令行输入设置参数
sudo debconf-set-selections <<< 'mysql-server-5.5 mysql-server/root_password password your_password'
sudo debconf-set-selections <<< 'mysql-server-5.5 mysql-server/root_password_again password your_password'
sudo apt-get -y install mysql-server

2、先输入文件,再一次性添入设置参数
echo "mysql-server-5.5 mysql-server/root_password password $MYSQL_ROOT_PASS" > /tmp/mysql.preseed
echo "mysql-server-5.5 mysql-server/root_password_again password $MYSQL_ROOT_PASS" >> /tmp/mysql.preseed
cat /tmp/mysql.preseed | sudo debconf-set-selections
rm /tmp/mysql.preseed
sudo apt-get install -y mysql-server

3、使用echo方式输入设置参数
echo 'mysql-server-5.5 mysql-server/root_password password your_password' | sudo debconf-set-selections
echo 'mysql-server-5.5 mysql-server/root_password_again password your_password' | sudo debconf-set-selections
sudo apt-get install -y mysql-server

4、直接从文件中读取设置参数
sudo debconf-set-selections mysql-passwd
sudo apt-get install -y mysql-server


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