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Re: Synaptic problem - physical access to CD drive related

On Fri, 5 Jan 2018, Richard Owlett wrote:

> Synaptic still returns
> E: Type 'file:/home/richard/Desktop/testdvd' is not known on line 2 in source
> list /etc/apt/sources.list

"Type" is probably referring to the deb or deb-src entry that is missing.

Have you already used the repository to update your sources? why do you 
want to add the cd/dvd back?

I have found that immediately after install, a commented line 
in sources.list resembling:
#deb cdrom:[debian_installer_version_arch_24-date_etc] stretch main

and if I uncomment this line, and mount the install media at /media/cdrom 
then apt is able to continue installing pkgs from it.

If that won;t work for you, try apt-cdrom

good luck