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配置文件中的 apt 选项

tag-icon • tag-icon 16.04 apt
配置文件中的 apt 选项

我正在执行apt-get如下：

rm -rf /var/lib/apt/lists/*'
apt-get clean
apt-get --option Acquire::Check-Valid-Until=false update
DEBIAN_FRONTEND=noninteractive apt-get --yes --option Dpkg::Options::="--force-confdef" --option Dpkg::Options::="--force-confold" upgrade
DEBIAN_FRONTEND=noninteractive apt-get --yes --option Dpkg::Options::="--force-confdef" --option Dpkg::Options::="--force-confold" dist-upgrade
apt-get autoremove --yes --force-yes
apt-get clean

我想删除配置文件中的选项，以便/etc/apt/apt.conf.d/可以在不指定这些选项的情况下执行命令，并且它们仍然会被遵守。也就是说，我想删除：

  1. --option Acquire::Check-Valid-Until=false从apt-get update
  2. DEBIAN_FRONTEND=noninteractive以及--yes --option Dpkg::Options::="--force-confdef" --option Dpkg::Options::="--force-confold"来自apt-get upgrade和apt-get dist-upgrade
  3. --yes --force-yes从apt-get autoremove

尽管我看着手册页，我不知道如何正确地做到这一点。

我将非常感激能够详细解释如何实现这一目标。

如果需要的话，这里有一些关于我的系统的信息：

$ cat /etc/*release* | grep -i dist
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.1 LTS"

$ dpkg -l | grep -i apt | head -n 1
ii  apt  1.2.15ubuntu0.2  amd64  commandline package manager

答案1

您可以将--option不包含以下内容的部分添加=到文件中：

Acquire::Check-Valid-Until "false";
Dpkg::Options:: "--force-confdef";
Dpkg::Options:: "--force-confold";

至于--yes和--force-yes，apt-get手册页说：

-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.

--force-yes
   Force yes; this is a dangerous option that will cause apt to
   continue without prompting if it is doing something potentially
   harmful. It should not be used except in very special situations.
   Using force-yes can potentially destroy your system! Configuration
   Item: APT::Get::force-yes. This is deprecated and replaced by
   --allow-downgrades, --allow-remove-essential,
   --allow-change-held-packages in 1.1.

所以：

APT::Get::Assume-Yes "true";
APT::Get::force-yes "true";

您应该将第二行替换为将APT::Get::allow-downgrades、APT::Get::allow-remove-essential、中的一个或多个设置APT::Get::allow-change-held-packages为 true 的行。

DEBIAN_FRONTEND=noninteractive是 debconf 设置，应在 中设置debconf.conf。手册页有例子。

upgrade我强烈建议您编写一个脚本，而不是在配置文件中设置这些。另外，在之前运行一个是没有意义的dist-upgrade-dist-upgrade仅此就足够了。

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