[Bug 1814187] [NEW] grub-efi-amd64 2.02-2ubuntu8.10 failed to install/upgrade: grub-check-signatures: 50: /usr/share/grub/grub-check-signatures: mokutil: not found

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Benjamin Drung (bdrung):

I used sudo apt update and sudo apt upgrade. 45 packages updated, 7 new
installed (kernel). All kernels installed are from Ubuntu repositories,
the system was upgraded a few times already. The kernels the system
have:

4.15.0-45-generic
4.15.0-44-generic
4.15.0-43-generic
4.15.0-22-generic
4.10.0-26-generic
4.4.0-83-generic

Error message:

Configuring grub-efi-amd64 (2.02-2ubuntu8.10) ...
/usr/share/grub/grub-check-signatures: 50: /usr/share/grub/grub-check-signatures: mokutil: not found

[Workaround]

Install mokutil: sudo apt install mokutil

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: grub-efi-amd64 2.02-2ubuntu8.10
ProcVersionSignature: Ubuntu 4.18.0-14.15~18.04.1-generic 4.18.20
Uname: Linux 4.18.0-14-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
Date: Thu Jan 31 21:53:58 2019
ErrorMessage: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 127
InstallationDate: Installed on 2017-07-24 (556 days ago)
InstallationMedia: Xubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-14-generic root=UUID=984701f6-117a-4fb5-ba8e-761744701fff ro quiet
Python3Details: /usr/bin/python3.6, Python 3.6.7, python3-minimal, 3.6.7-1~18.04
PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2.1
 apt  1.6.8
SourcePackage: grub2
Title: package grub-efi-amd64 2.02-2ubuntu8.10 failed to install/upgrade: installed grub-efi-amd64 package post-installation script subprocess returned error exit status 127
UpgradeStatus: Upgraded to bionic on 2018-04-27 (279 days ago)

** Affects: grub2 (Ubuntu)
     Importance: Medium
         Status: Triaged

** Affects: grub2 (Ubuntu Bionic)
     Importance: Undecided
         Status: New

** Affects: grub2 (Ubuntu Focal)
     Importance: Undecided
         Status: New

** Affects: grub2 (Ubuntu Jammy)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-package bionic foundations-triage-discuss
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grub-efi-amd64 2.02-2ubuntu8.10 failed to install/upgrade: grub-check-signatures: 50: /usr/share/grub/grub-check-signatures: mokutil: not found
https://bugs.launchpad.net/bugs/1814187
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