DEBIAN_FRONTEND
Name of the preferred debconf front-end. If set to noninteractive, debconf prompts are disabled and linux-check-removal always quietly succeeds.
linux-check-removal1
Check whether removal of a kernel is safe
Usage
linux-check-removal KERNEL-VER
Overview
linux-check-removal is intended to be called from the prerm maintainer scripts of Linux kernel packages.
The KERNEL-VER argument must be the kernel version string as shown by uname -r and used in filenames, not the package version.
If the currently running kernel matches KERNEL-VER, linux-check-removal normally prompts the user to confirm this potentially dangerous action and fails if the user chooses to abort. There are two exceptions to this behaviour:
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If the current environment is a chroot or container, it is assumed that the running kernel is independent of any installed kernel package and the command always quietly succeeds
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If debconf prompts are disabled, the command warns if removing the running kernel but always succeeds
Environment
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DPKG_MAINTSCRIPT_PACKAGE -
Name of the package to be removed, automatically set by dpkg.
Releases
5 releases since Debian 9 (Stretch); the text changed 1 time.