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I'm trying to do:

sudo mount -o loop ubuntu-18.10-live-server-amd64.iso /mnt/ubuntu

and getting:

unknown filesystem type 'iso9660'

Doing a: uname -a on my pi reveals:

Linux pi 4.14.79+ #1159 Sun Nov 4 17:28:08 GMT 2018 armv6l GNU/Linux

Running sudo modprobe iso9660 reveals:

modprobe: ERROR: ../libkmod/libkmod.c:586 kmod_search_moddep() could not open moddep file '/lib/modules/4.14.79+/modules.dep.bin'

modprobe: FATAL: Module iso9660 not found in directory /lib/modules/4.14.79+

How can I loop-back mount the above iso in my Pi?

  • my pi is also a tftp server from where i netboot my ubuntu installs. i want to loop-back mount the iso so my installs are faster than downloading base files directly from the internet. see "from a local server" section here - help.ubuntu.com/community/Installation/LocalNet @JaromandaX – Regmi Mar 17 at 6:29
  • Sorry, my bad ... isofs is what you'll want - i.e. modprobe isofs – Jaromanda X Mar 17 at 6:43
  • I don't think the stock kernel has the library. getting, "modprobe: FATAL: Module isofs not found in directory /lib/modules/4.14.79+" – Regmi Mar 17 at 6:55
  • isofs.ko is part of raspberrypi-kernel package so it must be there if you have raspbian installed, so check /lib/modules/4.14.79+/kernel/fs/isofs folder – Jaromanda X Mar 17 at 6:58
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    well, you've done something really funky if you have the latest modules, but a previous kernel - have you upgraded recently without rebooting the pi? hint: try rebooting the pi – Jaromanda X Mar 17 at 7:08
3

try

sudo modprobe isofs

That should load support for iso9660

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