I have synchronized the Ubuntu repository for Focal Fossa to my Foreman server. Now I have a local repository with all the necessary files. Now when I try to set up a new client via PXE, the error message comes up (see screenshot).
However, the client has already fetched the initrd.gz from https://foreman.example.com/ubuntu/dists/focal/main/installer-amd64/current/legacy-images/netboot/ubuntu-installer/amd64/ and executed it. Therefore I do not understand the error message.
When I use the official Ubuntu archive (Index of /ubuntu), everything works without problems and I can set up the clients. As soon as I have the repository locally, problems arise.
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Ubuntu Focal Fossa
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Thank you for your help