How to Install and Uninstall shim-signed Package on Ubuntu 20.04 LTS (Focal Fossa)

Last updated: May 15,2024

1. Install "shim-signed" package

In this section, we are going to explain the necessary steps to install shim-signed on Ubuntu 20.04 LTS (Focal Fossa)


    
        
            $
        

        
            
                sudo apt update
            
                    
    
    Copied


    
        
            $
        

        
            
                sudo apt install
            
                        
                shim-signed
            
                    
    
    Copied

2. Uninstall "shim-signed" package

Learn how to uninstall shim-signed on Ubuntu 20.04 LTS (Focal Fossa):


    
        
            $
        

        
            
                sudo apt remove
            
                        
                shim-signed
            
                    
    
    Copied


    
        
            $
        

        
            
                sudo apt autoclean && sudo apt autoremove
            
                    
    
    Copied

3. Information about the shim-signed package on Ubuntu 20.04 LTS (Focal Fossa)

Package: shim-signed
Architecture: amd64
Version: 1.40.9+15.7-0ubuntu1
Built-Using: shim (= 15.7-0ubuntu1)
Priority: optional
Section: utils
Source: shim-signed (1.40.9)
Origin: Ubuntu
Maintainer: Steve Langasek
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 4735
Depends: debconf (>= 0.5) | debconf-2.0, grub-efi-amd64-signed (>= 1.191~) | grub-efi-arm64-signed (>= 1.191~) | base-files (<< 12.3), grub-efi-amd64-signed (>= 1.187.2~) | grub-efi-arm64-signed (>= 1.187.2~), grub2-common (>= 2.04-1ubuntu24), mokutil (>= 0.3.0+1538710437.fb6250f-0ubuntu2), sbsigntool
Recommends: secureboot-db
Breaks: fwupd-signed (<< 1.44.1~), shim (<< 15.3)
Replaces: shim (<< 15.3)
Filename: pool/main/s/shim-signed/shim-signed_1.40.9+15.7-0ubuntu1_amd64.deb
Size: 667320
MD5sum: d7fe46d9ddcdcddc38dd999d26ba40fc
SHA1: 4818fcf5ec48febfc78c641cca7add62dc3d45a5
SHA256: 66690ad06ce02e01a7e9dedf426ad874ddcb78256896004b5ab28ec9dbe73e43
SHA512: c68340dacc0a4082183737d51e1c0ad73887a1f38e6d371de70816569d5d3a10cea023b05b5c7e948305203a2092b8b9e8fbfa172c30b7ecd82c6224a724629c
Description: Secure Boot chain-loading bootloader (Microsoft-signed binary)
Description-md5: a481805ba65b750cfdd6438a7d8539a2
Task: ubuntu-core
Important: yes

Package: shim-signed
Architecture: amd64
Version: 1.40.3+15+1533136590.3beb971-0ubuntu1
Built-Using: shim (= 15+1533136590.3beb971-0ubuntu1)
Priority: optional
Section: utils
Source: shim-signed (1.40.3)
Origin: Ubuntu
Maintainer: Steve Langasek
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 1357
Depends: debconf (>= 0.5) | debconf-2.0, shim (= 15+1533136590.3beb971-0ubuntu1), grub-efi-amd64-signed | grub-efi-arm64-signed, grub2-common (>= 2.04-1ubuntu24), mokutil (>= 0.3.0+1538710437.fb6250f-0ubuntu2), sbsigntool
Recommends: secureboot-db
Filename: pool/main/s/shim-signed/shim-signed_1.40.3+15+1533136590.3beb971-0ubuntu1_amd64.deb
Size: 343812
MD5sum: 60399bb8b0551dfb727e890a05da7f37
SHA1: dd468bf102ba0916c665c043fda0b99d5812a039
SHA256: ec17a7a92e7fa5fc2c2ef4b6c2024d7ea98e2e64307d4e7ea29688b5974f7686
Description: Secure Boot chain-loading bootloader (Microsoft-signed binary)
Description-md5: a481805ba65b750cfdd6438a7d8539a2
Task: ubuntu-core