You may need to run the following from a terminal:
sudo apt-get install -f
sudo apt-get clean
sudo apt-get update
Then re-install the package or updates.
If that does not resolve your issue, please mark the bug as "Confirmed"
** Package changed: linux-signed (Ubuntu) => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1768381
Title:
package linux-image-4.15.0-20-generic (not installed) failed to
install/upgrade: installed linux-image-4.15.0-20-generic package pre-
removal script subprocess returned error exit status 1
Status in linux package in Ubuntu:
Incomplete
Bug description:
running on asus c300m chromebook, installed Gallium-OS kernel for full
hardware support. error seems to relate to removal of the generic
kernel used by ubuntu.
ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-20-generic (not installed)
Uname: Linux 4.8.17-galliumos x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
Date: Fri Apr 27 18:55:53 2018
ErrorMessage: installed linux-image-4.15.0-20-generic package pre-removal
script subprocess returned error exit status 1
InstallationDate: Installed on 2018-04-27 (4 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3
PythonDetails: /root/Error: command ['which', 'python'] failed with exit code
1:, Error: [Errno 2] No such file or directory: "/root/Error: command ['which',
'python'] failed with exit code 1:": "/root/Error: command ['which', 'python']
failed with exit code 1:", unpackaged
RelatedPackageVersions:
dpkg 1.19.0.5ubuntu2
apt 1.6.1
SourcePackage: linux-signed
Title: package linux-image-4.15.0-20-generic (not installed) failed to
install/upgrade: installed linux-image-4.15.0-20-generic package pre-removal
script subprocess returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)
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