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Re: Offline installations no longer possible with DebianEdu Stretch?

On Sun, Oct 01, 2017 at 09:54:26PM +0200, roman.meier@gismap.ch wrote:
> I have downloaded debian-edu-9+edu0-USB.iso from the web and this worked
> well with a matching checksum.
> My old DebianEdu Jessie was able to do an installation without worrying
> about internet connection. Is this no longer possible?
No. But these steps seem to fix it:

(1) Install as usual with all (real/virtual) network cables unplugged.
(2) Choose 'Do not configure the network at this time' after DHCP failed 
    to configure the network and you pressed 'Continue'.
(3) When the installation process is at 10% during 'Select and 
    install software', open a shell (Ctrl-Alt-F2) and adjust two files 
    (maybe need to wait some more time) using the 'nano' editor:
    (a) nano target/usr/share/ltsp/plugins/ltsp-build-client/Debian-custom/015-edu-apt-source
        Add ' -o acquire::check-valid-until=0' after '--allow-unauthenticated'.
    (b) nano target/usr/share/ltsp/plugins/ltsp-build-client/Debian-custom/032-edu-pkgs
        - Delete these lines at the end of the 'install)' case item:
           if [ -n "$option_diskless_edu_workstation_value" ]; then
        - Add a line containing 'install_diskless_workstation'
          before the line containing 'after_install_diskless_workstation'
          inside the 'after-install)' case item.
(4) Change back to the Debian Installer GUI (Ctrl-Alt-F5) or rather
    (Ctrl-Alt-F1) in text mode.

For some background information, see:


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