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Tried latest 4.0.4 Qubes OS with AMD 3700x, Nvidia 1070, and Gigabyte Aorus B550M. Ethernet did not work after install. I am lazy so here is how I updated the kernel without really doing anything special. First go here and look for the kernel you want, I found the latest latest. https://mirrors.edge.kernel.org/qubes/repo/yum/r4.0/current-testing/dom0/fc25/rpm/ As of this post, download these 2 files from there https://mirrors.edge.kernel.org/qubes/repo/yum/r4.0/current-testing/dom0/fc25/rpm/kernel-latest-5.12.10-1.fc25.qubes.x86_64.rpm https://mirrors.edge.kernel.org/qubes/repo/yum/r4.0/current-testing/dom0/fc25/rpm/kernel-latest-qubes-vm-5.12.10-1.fc25.qubes.x86_64.rpm I then copied to a USB drive and put the 2 files into an appVM, vault sounds good in a Downloads/kernel directory, to copy over to dom0. Go to the dom0 terminal and copy to dom0 qvm-run --pass-io <src-vm> 'cat /path/to/file_in_src_domain' > /path/to/file_name_in_dom0 Example, replace USERNAME with your username qvm-run --pass-io vault 'cat /home/user/Downloads/kernel/kernel-latest-5.12.10-1.fc25.qubes.x86_64.rpm' > /home/USERNAME/kernel-latest-5.12.10-1.fc25.qubes.x86_64.rpm qvm-run --pass-io vault 'cat /home/user/Downloads/kernel/kernel-latest-qubes-vm-5.12.10-1.fc25.qubes.x86_64.rpm' > /home/USERNAME/kernel-latest-qubes-vm-5.12.10-1.fc25.qubes.x86_64.rpm Double check the file sizes are correct and then time to install sudo rpm -ivh --nodeps kernel-latest-5.12.10-1.fc25.qubes.x86_64.rpm sudo rpm -ivh --nodeps kernel-latest-qubes-vm-5.12.10-1.fc25.qubes.x86_64.rpm Reboot, and now change all your appvm's and templates to latest kernel. I rebooted once more just because and ethernet should work.

How to get Ledger and Metamask running on QubesOS. A reference to all of this. https://www.whonix.org/wiki/Ledger_Hardware_Wallet The idea is to install chromium on a clean Debian, I like to clone an original templatevm so clone debian-10 to debian-10-crypto go to debian-10-crypto terminal sudo apt update sudo apt upgrade sudo apt chromium then we want to edit a rules file sudo adduser user plugdev sudo nano /etc/udev/rules.d/20-hw1.rules and paste this in SUBSYSTEMS=="usb", ATTRS{idVendor}=="2581", ATTRS{idProduct}=="1b7c", MODE="0660", OWNER="user", GROUP="plugdev" SUBSYSTEMS=="usb", ATTRS{idVendor}=="2581", ATTRS{idProduct}=="2b7c", MODE="0660", OWNER="user", GROUP="plugdev" SUBSYSTEMS=="usb", ATTRS{idVendor}=="2581", ATTRS{idProduct}=="3b7c", MODE="0660", OWNER="user", GROUP="plugdev" SUBSYSTEMS=="usb", ATTRS{idVendor}=="2581", ATTRS{idProduct}=="4b7c", MODE="0660", OWNER="user", GROUP="plugdev" SUBSYSTEMS=="usb", ATTRS{idVendor}=="2581", ATTRS{idProduct}=="1807", MODE="0660", OWNER="user", GROUP="plugdev" SUBSYSTEMS=="usb", ATTRS{idVendor}=="2581", ATTRS{idProduct}=="1808", MODE="0660", OWNER="user", GROUP="plugdev" SUBSYSTEMS=="usb", ATTRS{idVendor}=="2c97", ATTRS{idProduct}=="0000", MODE="0660", OWNER="user", GROUP="plugdev" SUBSYSTEMS=="usb", ATTRS{idVendor}=="2c97", ATTRS{idProduct}=="0001", MODE="0660", OWNER="user", GROUP="plugdev" KERNEL=="hidraw*", SUBSYSTEM=="hidraw", MODE="0660", OWNER="user", GROUP="plugdev", ATTRS{idVendor}=="2c97" KERNEL=="hidraw*", SUBSYSTEM=="hidraw", MODE="0660", OWNER="user", GROUP="plugdev", ATTRS{idVendor}=="2581" shutdown debian-10-crypto completely Create AppVM (This is where you will run Ledger Live, Metamask and Chromium) Go to Qube Manager -> Qube -> Create new qube Name: ledger-VM Type: Qube based on a template (AppVM) Template: debian-10-crypto networking: default (sys-firewall) or sys-whonix, or a vpn if you setup a vpn network qube checkmark: launch settings after creation Give this a color In settings, I give some more hard drive space, also go to applications tab and bring the chromium app into the right so its easier to load Run Chromium from this new appVM, type in metamask.io and download the chromium plugin. Setup metamask like usual with new seed or import seed. In metamask you want to get to the menu that says Connect Hardware Wallet. Go there and click the Ledger Icon. Now plug your Ledger in and go to Ethereum app on the device. Pass the usb ledger device through to ledger-VM. I just use the Qubes Devices icon at the top right . Wait about 10 seconds or so and then click connect in metamask. You should see your addresses pop up to use. An easy way to use Ledger Live in this same Qube is by downloading the app from Ledger https://www.ledger.com/ledger-live/download, go into terminal to the Downloads folder and chmod +x the appimage and run that. Do similar as above to connect but instead of going to Ethereum on the device, just stay on the main screen. I would unplug Ledger from usb, plug back in, go to main screen, then pass the USB through to ledger-VM. If wanting to use Metamask after. I unplugged device from USB, plug back in and go into Ethereum app and then pass the USB through. Don't forget to checkout https://ari.finance/ and enable smart contracts on your Ledger.

How to create standalone qube from debian-10-crypto template Name: Coinomi type: Standalone qube copied from a template template: debian-10-crypto networking: default (sys-firewall) go to firefox for this new qube and download Coinomi wallet for linux open terminal and cd ~/Downloads cp coinomi-wallet-<version>.tar.gz ~/ cd ~ tar -xzvf coinomi-wallet-<version>.tar.gz link the Coinomi exec to your usr/local/bin folder sudo ln -s ~/Coinomi/Coinomi /usr/local/bin now we want to use coinomi-wallet.desktop to setup the easy click menu copy the contents of that file to /usr/share/applications/coinomi-wallet.desktop sudo nano /usr/share/applications/coinomi-wallet.desktop coinomi-wallet.desktop [Desktop Entry] Name=Coinomi Wallet Type=Application Categories=Financial Exec=Coinomi Icon=/home/user/Coinomi/icons.png MineType=text/html; Keywords=Bitcoin;Coinomi;Crypto;Denarius; save this go back to your Coinomi Qube -> qube settings -> applications -> refresh applications Launch Coinomi Wallet from the Coinomi Qube NOTE: I have no idea where the default icon is located