This is my first time trying debian but I already tried LMDE 4 and I have no problem in LMDE 4 that's why I thought there will be also no problem using debian live that's why I downloaded debian-live-10.4.0-amd64-lxqt.iso.torrent and not debian-live-10.4.0-amd64-lxqt+nonfree.iso.torrent and now I can't download debian live + non-free firmware because I only have limited data.

When I boot in debian live I saw a non-free firmware error and show me to go in debian wiki about firmware and boot me in full screen command line.

I already downloaded the non-free firmware firmware.zip but what I can do about it to work debian live? Pls don't provide me a solution to install debian because I want to boot in live usb.

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    Limited data, hardware that needs non-free drivers, limited storage, and first time Debian user sounds to me like a recipe for failure. Not to scare you off, but I think you need to change at least 2 of those before trying Debian again - otherwise I predict you will have a frustrating time. And I will much rather see you a happy Debian user in a year than see you fail now. – Ole Tange Jul 3 at 8:43
  • I like to fail because I also have something to learn, limited storage is not a problem to me because I can just remove windows 10 and install debian, limited data is also not a problem because I still have enough data to download the debian live plus nonfree iso... – Parandroid Jul 3 at 8:53
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    If limited data is your concern, don't download the big isos, but download the net(work) installer - which will then download only those packages and parts you actually need beyond the bare minimum required to boot. – planetmaker Jul 3 at 8:54
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    @planetmaker But be warned: If your installation fails, you will have to download again. It happens to me all the time, and I have installed more than 100 Debian based systems in the past 20 years. – Ole Tange Jul 3 at 9:01
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    I'm just asking and not doing any bad to anyone why you need to give my question a -1? – Parandroid Jul 3 at 10:48

If you read the comments against the Hybrid ISO you did download it explains your options for non-free firmware

there is an alternative unofficial image build which includes non-free firmware for extra support for some awkward hardware

I appreciate you can't download the unofficial image build, but you have successfully downloaded the non-free ZIP file.

Follow the instructions on the non-free firmware page and your Debian Live should run happily.

A suggestion, especially when installing on unfamiliar hardware, is to download the firmware archive for your platform and unpack it into a directory named firmware in the root of a removable storage device (USB/CD drive). When the installer starts, it will automatically find the firmware files in the directory on the removable storage and, if needed, install the firmware for your hardware.

  • Obtain a spare USB stick (not the one containing Debian Live) and format it as FAT32
  • Create the directory "firmware"
  • Unzip all the files from your Non-free Firmware ZIP into that directory
  • Boot the Debian Live as normal

It should find and use the appropriate non-free firmware from the second USB stick.

Please note that I haven't ever tried the Live so I can't be sure, but this is how it works for the standard installation DVD.

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  • Didn't work, but thank you @roaima – Parandroid Jul 3 at 10:18
  • What part didn't work, finding the non-free firmware, or that your firmware isn't supported at all? – roaima Jul 3 at 11:04
  • Sorry for small details. I think base on my observation on live boot of Debian it didn't automatically search for firmware in usb fat32. It just do like before, give me a error then boot to command line. If I just can use "sudo mount /dev/sdc /media" then "sudo dpkg -i *" then use a command that will run the desktop gui but it's gives me error: "mount: /media: wrong fs type, bad option, bad superblock on /dev/sdc, missing codepage or helper program, or other error" even if I solved that error I still need to know a command that will get me out in full screen command line... – Parandroid Jul 3 at 12:13
  • I have a question it's not related to my problem but related to live cd/usb... Why when I successfully boot from live usb then go to file manager I always saw a same storage size of root folder in live OS which for me 1.5 GB but when I use live boot the iso file without storage only iso in virtualbox the size of root folder storage is about 700+ MB, why that so? How can I extend the storage size of root folder in live boot? – Parandroid Jul 3 at 13:13

My only option is to download debian-live-10.4.0-amd64-lxqt+nonfree.iso.torrent. Thank you @Sudodus for teaching me how to create a persistent live Ubuntu/Debian usb...

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  • I'm glad that you found a solution to your problem. Good luck with your persistent live system :-) – sudodus Jul 4 at 20:20

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