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Re: Using ISO image of installer DVD as repository - How?

On 2019-06-01, Brian <ad44@xxxxxxxxxxxxxxx> wrote:
> It can happen that a line such as
>   deb file:///home/richard/dvdmount pool/main/                                                                         
> gives the error message " ... does not have a Release file
> Leaving aside the validity of the line, this message is an indication
> that an option has not been delivered to apt correctly.

man apt-cdrom

   It is necessary to use apt-cdrom to add CDs to the APT system; it cannot be
   done by hand.  Furthermore each disc in a multi-CD set must be inserted and
   scanned separately to account for possible mis-burns.


 /home/richard/dvdmount /mnt/dvdmount iso9660 user,loop 0 0

with mount-point mounted

 apt-cdrom -m -d=/mnt/dvdmount add

if apt persists in asking for insertion of the disk


 Acquire::cdrom::mount "/mnt/dvdmount";

Worked for an anonymous user on the internets, which is pretty damn persuasive.

“Decisions are never really made – at best they manage to emerge, from a chaos
of peeves, whims, hallucinations and all around assholery.” – Thomas Pynchon