如何在没有“您想继续 [Y/n] 吗？”的情况下使用 apt 安装软件包 迅速的？

Question

当然，当你输入：

sudo apt-get install whatever

它问你：

Do you want to continue [Y/n]? 

有什么方法可以安装它而不询问我是否要继续？我真的不在乎空间，我有更多就足够了。

Answer 1

sudo apt-get install -y whatever

从手册页 ( man apt-get)：

 -y, --yes, --assume-yes

           Automatic yes to prompts; assume "yes" as answer to all prompts and
           run non-interactively. If an undesirable situation, such as
           changing a held package, trying to install a unauthenticated
           package or removing an essential package occurs then apt-get will
           abort. Configuration Item: APT::Get::Assume-Yes.

Answer 2

对于 apt-get-y或运行--assume-yes良好（如 @rinzwind 所解释的），我认为这是这里的最佳答案。对于许多这样的交互式管理操作，有一个类似的命令。

另一种非常通用的方法是：

 $ echo "y" | sudo apt-get install edamame_biscuit

（其中 edamame-biscuit 是您要安装的（编造）软件包，并且假定“y”是合法响应；根据需要替换为“yes”或其他文本。）

这种方法的一个“特点”是，如果您错误地假设只有一个交互式提示，这将中断。如果有更多可能不需要的提示，您可能不想说“是”，则可以避免系统在不询问的情况下继续运行的情况。

Answer 3

首先，让我们了解为什么会出现该消息。事实上，如果软件包没有您尚未安装的依赖项或您明确告诉它安装的依赖项，apt 永远不会询问您：

?  ~  sudo apt-get -qq install xfce4-screenshooter
Selecting previously unselected package xfce4-screenshooter.
(Reading database ... 296146 files and directories currently installed.)
Preparing to unpack .../xfce4-screenshooter_1.8.1-2_amd64.deb ...
Unpacking xfce4-screenshooter (1.8.1-2) ...
Processing triggers for hicolor-icon-theme (0.13-1) ...
Processing triggers for man-db (2.6.7.1-1) ...
Processing triggers for gnome-menus (3.13.3-1) ...
Processing triggers for desktop-file-utils (0.22-1) ...
Processing triggers for mime-support (3.56) ...
Setting up xfce4-screenshooter (1.8.1-2) ...

如果你想安装一个依赖于你没有提到的包的包，它会问：

?  ~  sudo apt-get -q install avis
Reading package lists...
Building dependency tree...
Reading state information...
The following extra packages will be installed:
  libjzlib-java libmina-java libslf4j-java
Suggested packages:
  libmina-java-doc libspring-beans-java libcommons-logging-java
  liblog4j1.2-java
The following NEW packages will be installed:
  avis libjzlib-java libmina-java libslf4j-java
0 upgraded, 4 newly installed, 0 to remove and 14 not upgraded.
Need to get 720 kB of archives.
After this operation, 1,258 kB of additional disk space will be used.
Do you want to continue? [Y/n] 

即便如此，也不会询问您是否还暗示要安装这些软件包：

?  ~  apt-get -q install avis libjzlib-java libmina-java libslf4j-java
Reading package lists...
Building dependency tree...
Reading state information...
Suggested packages:
  libmina-java-doc libspring-beans-java libcommons-logging-java
  liblog4j1.2-java
The following NEW packages will be installed:
  avis libjzlib-java libmina-java libslf4j-java
0 upgraded, 4 newly installed, 0 to remove and 14 not upgraded.
Inst libjzlib-java (1.1.3-1 Debian:testing [all])
Inst libslf4j-java (1.7.7-1 Debian:testing [all])
Inst libmina-java (1.1.7.dfsg-11 Debian:testing [all])
Inst avis (1.2.2-2 Debian:testing [all])
Conf libjzlib-java (1.1.3-1 Debian:testing [all])
Conf libslf4j-java (1.7.7-1 Debian:testing [all])
Conf libmina-java (1.1.7.dfsg-11 Debian:testing [all])
Conf avis (1.2.2-2 Debian:testing [all])

但是，那么，如何使它不会明确地询问您呢？通过 Rizwind 答案应该涵盖临时和脚本解决方案（实际上，该选项在脚本中使用较多），您可以改为修改apt.conf文件并添加：

APT::Get::Assume-Yes

这样的事情应该足够了：

echo 'APT::Get::Assume-Yes;' | sudo tee -a /etc/apt/apt.conf.d/00Do-not-ask

请注意，这将不允许您应该验证其他更恶劣的提示，例如：

?  ~  sudo apt-get install sonar
WARNING: The following packages cannot be authenticated!
  sonar
Install these packages without verification? [y/N] 

这就是为什么我不推荐使用yes | ...，因为这个警告会被忽略。