Ign:1 http://rpms.litespeedtech.com/debian focal InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu focal InRelease
Get:3 http://rpms.litespeedtech.com/debian focal Release [1,652 B]
Hit:4 http://us.archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:6 http://us.archive.ubuntu.com/ubuntu focal-backports InRelease
Hit:7 http://us.archive.ubuntu.com/ubuntu focal-security InRelease
Hit:8 https://repo.imunify360.cloudlinux.com/imunify360/ubuntu/20.04 focal InRelease
Ign:9 https://download.imunify360.com/ubuntu/20.04/slot-1 focal InRelease
Ign:10 https://download.imunify360.com/ubuntu/20.04/slot-2 focal InRelease
Ign:11 https://download.imunify360.com/ubuntu/20.04/slot-3 focal InRelease
Ign:12 https://download.imunify360.com/ubuntu/20.04/slot-4 focal InRelease
Err:13 https://download.imunify360.com/ubuntu/20.04/slot-1 focal Release
404 Not Found [IP: 107.155.119.71 443]
Err:14 https://download.imunify360.com/ubuntu/20.04/slot-2 focal Release
404 Not Found [IP: 107.155.119.71 443]
Err:15 https://download.imunify360.com/ubuntu/20.04/slot-3 focal Release
404 Not Found [IP: 107.155.119.71 443]
Err:16 https://download.imunify360.com/ubuntu/20.04/slot-4 focal Release
404 Not Found [IP: 107.155.119.71 443]
Reading package lists... Done
E: The repository 'https://download.imunify360.com/ubuntu/20.04/slot-1 focal Release' no longer has 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://download.imunify360.com/ubuntu/20.04/slot-2 focal Release' no longer has 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://download.imunify360.com/ubuntu/20.04/slot-3 focal Release' no longer has 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://download.imunify360.com/ubuntu/20.04/slot-4 focal Release' no longer has 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.
Using Ubuntu 20.04.