Problem in update,what is the problem in update, err,hit,secure,

eid@eid-HP-Compaq-6005-Pro-SFF-PC:~$ sudo apt-get update
Hit:1 http://deb.fdmpkg.org bionic InRelease
Hit:2 http://packages.microsoft.com/repos/code stable InRelease                                                              
Hit:3 http://archive.ubuntu.com/ubuntu focal InRelease                                                                       
Ign:4 http://ppa.launchpad.net/aacebedo/libi3ipc-glib/ubuntu focal InRelease                                                 
Hit:5 http://archive.ubuntu.com/ubuntu focal-updates InRelease                                                               
Hit:6 https://packages.microsoft.com/ubuntu/18.04/prod bionic InRelease                                                      
Hit:7 http://archive.ubuntu.com/ubuntu focal-backports InRelease                                                             
Hit:8 https://repo.protonvpn.com/debian stable InRelease                                                                     
Hit:9 http://ppa.launchpad.net/blaze/main/ubuntu focal InRelease                                                             
Ign:10 http://apt.keepsolid.com/zorin focal InRelease                                                                        
Hit:11 http://archive.ubuntu.com/ubuntu focal-security InRelease                                                             
Ign:12 https://repo.vivaldi.com/stable/deb stable InRelease                                                                  
Ign:13 http://ppa.launchpad.net/daniel-marynicz/filemanager-actions/ubuntu focal InRelease                                   
Hit:14 https://repo.vivaldi.com/stable/deb stable Release                                                                    
Err:15 http://apt.keepsolid.com/zorin focal Release                                                                          
  404  Not Found [IP: 144.217.71.199 80]
Hit:16 http://ppa.launchpad.net/ernstp/mesarc/ubuntu focal InRelease                                                         
Hit:17 http://ppa.launchpad.net/font-manager/staging/ubuntu focal InRelease                                                  
Hit:18 https://packages.zorinos.com/stable focal InRelease                                                                   
Hit:19 http://ppa.launchpad.net/gerardpuig/ppa/ubuntu focal InRelease                                             
Hit:20 http://ppa.launchpad.net/inkscape.dev/stable/ubuntu focal InRelease                                        
Hit:21 https://packages.zorinos.com/patches focal InRelease                                                       
Hit:22 http://ppa.launchpad.net/kdenlive/kdenlive-stable/ubuntu focal InRelease                                              
Ign:23 http://ppa.launchpad.net/kgilmer/regolith-stable/ubuntu focal InRelease                                               
Hit:24 https://packages.zorinos.com/apps focal InRelease                                                                     
Hit:25 http://ppa.launchpad.net/lutris-team/lutris/ubuntu focal InRelease                                                    
Hit:26 https://packages.zorinos.com/drivers focal InRelease                                                                  
Hit:27 http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu focal InRelease                                                  
Ign:28 http://ppa.launchpad.net/oguzhaninan/stacer/ubuntu focal InRelease                                         
Hit:29 http://ppa.launchpad.net/oibaf/graphics-drivers/ubuntu focal InRelease                                     
Hit:30 http://ppa.launchpad.net/oranchelo/oranchelo-icon-theme/ubuntu focal InRelease                             
Hit:31 http://ppa.launchpad.net/radeon-profile/stable/ubuntu focal InRelease                                                 
Ign:32 http://ppa.launchpad.net/rojtberg/sensors-unity/ubuntu focal InRelease                                                
Hit:33 http://ppa.launchpad.net/teejee2008/ppa/ubuntu focal InRelease                                             
Hit:34 http://ppa.launchpad.net/ubuntuhandbook1/conkymanager2/ubuntu focal InRelease                                         
Ign:35 http://ppa.launchpad.net/w-shackleton/droidpad/ubuntu focal InRelease                                                 
Hit:36 http://ppa.launchpad.net/xubuntu-dev/extras/ubuntu focal InRelease                                         
Hit:37 http://ppa.launchpad.net/xuzhen666/dockbarx/ubuntu focal InRelease                                                    
Hit:38 http://ppa.launchpad.net/zorinos/apps/ubuntu focal InRelease                                                          
Hit:39 http://ppa.launchpad.net/zorinos/drivers/ubuntu focal InRelease                                            
Hit:40 http://ppa.launchpad.net/zorinos/patches/ubuntu focal InRelease                      
Hit:42 http://ppa.launchpad.net/zorinos/stable/ubuntu focal InRelease                                                        
Err:43 http://ppa.launchpad.net/aacebedo/libi3ipc-glib/ubuntu focal Release                                       
  404  Not Found [IP: 185.125.190.52 80]
Err:44 http://ppa.launchpad.net/daniel-marynicz/filemanager-actions/ubuntu focal Release    
  404  Not Found [IP: 185.125.190.52 80]
Err:45 http://ppa.launchpad.net/kgilmer/regolith-stable/ubuntu focal Release                                                 
  404  Not Found [IP: 185.125.190.52 80]
Err:46 http://ppa.launchpad.net/oguzhaninan/stacer/ubuntu focal Release                                                      
  404  Not Found [IP: 185.125.190.52 80]
Err:47 http://ppa.launchpad.net/rojtberg/sensors-unity/ubuntu focal Release                                                  
  404  Not Found [IP: 185.125.190.52 80]
Err:48 http://ppa.launchpad.net/w-shackleton/droidpad/ubuntu focal Release                                                   
  404  Not Found [IP: 185.125.190.52 80]
Err:49 https://repo.hotspotshield.com/deb/rel/all release InRelease                                                          
  Temporary failure resolving 'repo.hotspotshield.com'
Ign:50 https://ocean.surfshark.com/debian stretch InRelease                                 
Err:51 https://ocean.surfshark.com/debian stretch Release
  Could not wait for server fd - select (11: Resource temporarily unavailable) [IP: 104.18.121.34 443]
Reading package lists... Done                        
E: The repository 'http://apt.keepsolid.com/zorin focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://ppa.launchpad.net/aacebedo/libi3ipc-glib/ubuntu focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://ppa.launchpad.net/daniel-marynicz/filemanager-actions/ubuntu focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://ppa.launchpad.net/kgilmer/regolith-stable/ubuntu focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://ppa.launchpad.net/oguzhaninan/stacer/ubuntu focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://ppa.launchpad.net/rojtberg/sensors-unity/ubuntu focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://ppa.launchpad.net/w-shackleton/droidpad/ubuntu focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'https://ocean.surfshark.com/debian stretch Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

Whenever you add a repository, you need to check it first and make sure it is current and maintained.
Part of the trouble with the internet is that many people look up guides that are ten years old, then follow the instructions without ensuring that they apply to their system.
This can often be true on Windows OS too... You wouldn't have much luck using a guide for Windows XP on Windows 11.

The following repositories are ones that you have added that are not current or maintained:

Err:43 http://ppa.launchpad.net/aacebedo/libi3ipc-glib/ubuntu focal Release                                       
  404  Not Found [IP: 185.125.190.52 80]
Err:44 http://ppa.launchpad.net/daniel-marynicz/filemanager-actions/ubuntu focal Release    
  404  Not Found [IP: 185.125.190.52 80]
Err:45 http://ppa.launchpad.net/kgilmer/regolith-stable/ubuntu focal Release                                                 
  404  Not Found [IP: 185.125.190.52 80]
Err:46 http://ppa.launchpad.net/oguzhaninan/stacer/ubuntu focal Release                                                      
  404  Not Found [IP: 185.125.190.52 80]
Err:47 http://ppa.launchpad.net/rojtberg/sensors-unity/ubuntu focal Release                                                  
  404  Not Found [IP: 185.125.190.52 80]
Err:48 http://ppa.launchpad.net/w-shackleton/droidpad/ubuntu focal Release                                                   
  404  Not Found [IP: 185.125.190.52 80]
Err:49 https://repo.hotspotshield.com/deb/rel/all release InRelease                                                          
  Temporary failure resolving 'repo.hotspotshield.com'
Ign:50 https://ocean.surfshark.com/debian stretch InRelease

Please remove them, then run sudo apt update. You can do a net search for the packages you are looking for in the FOCAL repositories.
Or, you can look for a package you need using pkgs.org and scroll down to Ubuntu 20.04.

4 Likes
E: The repository 'http://apt.keepsolid.com/zorin focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

good now I only get that error , do u recommend to remove that repo too (apt.keepsolid)

Note Down the Repositories giving Error in sudo apt update, then uncheck and remove them from Software & Updates. To Recheck Repositories giving Error run sudo apt update

1 Like

Yep, it's not working, so remove it.

2 Likes

Thank u very much, that solved also the error of software updater with me. software updater is working very good now

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