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如何使包安装自动进行？

tag-icon • tag-icon ssh automation
如何使包安装自动进行？

我必须在 ssh 上运行安装脚本。除了 apt-fast 等软件包外，我几乎已经将其自动化。这些软件包在正常安装时会弹出提示，而在 ssh 上则需要用户输入。例如，其中一个软件包 sudo 需要输入如下内容：

Configuration file '/etc/sudoers'
 ==> Modified (by you or by a script) since installation.
 ==> Package distributor has shipped an updated version.
   What would you like to do about it ?  Your options are:
    Y or I  : install the package maintainer's version
    N or O  : keep your currently-installed version
      D     : show the differences between the versions
      Z     : start a shell to examine the situation
 The default action is to keep your current version.
*** sudoers (Y/I/N/O/D/Z) [default=N] ?

我希望能够以某种方式通过某些命令传递“N”，而不必手动输入 N。

答案1

配置文件由管理ucf，您可以通过编辑来设置系统范围的配置。/etc/ucf.conf作为参考，这是我的一个 Ubuntu 16.04 安装中的未经编辑的示例：

#
# This file is a bourne shell snippet, and is sourced by the
# ucf script for configuration.
#

# Debugging information: The default value is 0 (no debugging
# information is printed). To change the default behavior, uncomment
# the following line and set the value to 1.
#
# DEBUG=0

# Verbosity: The default value is 0 (quiet). To change the default
# behavior, uncomment the following line and set the value to 1.
#
# VERBOSE=0


# The src directory. This is the directory where the historical
# md5sums for a file are looked for.  Specifically, the historical
# md5sums are looked for in the subdirectory ${filename}.md5sum.d/
#
# conf_source_dir=/some/path/

# Force the installed file to be retained. The default is have this
# variable unset, which makes the script ask in case of doubt. To
# change the default behavior, uncomment the following line and set
# the value to YES
#
# conf_force_conffold=YES

# Force the installed file to be overridden. The default is have this
# variable unset, which makes the script ask in case of doubt. To
# change the default behavior, uncomment the following line and set
# the value to YES
#
# conf_force_conffnew=YES

# Please note that only one of conf_force_conffold and
# conf_force_conffnew should be set.

如果您希望保留所有配置文件的当前安装版本，您可以简单地编辑此文件并#从包含以下内容的行中删除注释标记：# conf_force_conffold=YES

为了更精确的处理，值得一提的是，您可以使用 控制特定的配置文件ucf。但这超出了本答案的范围。

来源：

http://manpages.ubuntu.com/manpages/xenial/man5/ucf.conf.5.html

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