This is a quick guide to mounting a qcow2 disk images on your host server. This is useful to reset passwords, edit files, or recover something without the virtual machine running.
Step 1 - Enable NBD on the Host
modprobe nbd max_part=8
FROM ubuntu:18.04 | |
RUN apt-get update && apt-get install -y \ | |
openssl libcurl4-openssl-dev libssl-dev libengine-pkcs11-openssl \ | |
curl libcurl4 \ | |
git automake libtool pkg-config wget \ | |
libccid libpcsclite1 pcscd usbutils opensc | |
RUN git clone https://github.com/mtrojnar/osslsigncode |
# VERY IMPORTANT! After each kernel update or dkms rebuild the modules must be signed again with the script | |
# ~/.ssl/sign-all-modules.sh | |
# Place all files in ~/.ssl folder | |
mkdir ~/.ssl | |
cd ~/.ssl | |
# Generate custom keys with openssl | |
openssl req -new -x509 -newkey rsa:2048 -keyout MOK.priv -outform DER -out MOK.der -nodes -subj "/CN=Owner/" |
These commands are based on a askubuntu answer http://askubuntu.com/a/581497 | |
To install gcc-6 (gcc-6.1.1), I had to do more stuff as shown below. | |
USE THOSE COMMANDS AT YOUR OWN RISK. I SHALL NOT BE RESPONSIBLE FOR ANYTHING. | |
ABSOLUTELY NO WARRANTY. | |
If you are still reading let's carry on with the code. | |
sudo apt-get update && \ | |
sudo apt-get install build-essential software-properties-common -y && \ | |
sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y && \ |
# Installing | |
qemu-system-x86_64 -bios /usr/share/ovmf/ovmf_x64.bin -enable-kvm -cpu host -smp 4 -m 2048 -cdrom ~/Downloads/Win10_English_x64.iso -net nic,model=virtio -net user -drive file=~/vm/win10.hd.img.raw,format=raw,if=virtio -vga qxl -drive file=~/Downloads/virtio-win-0.1.105.iso,index=1,media=cdrom | |
# Running | |
qemu-system-x86_64 -bios /usr/share/ovmf/ovmf_x64.bin -enable-kvm -cpu host -smp 4 -m 4096 -net nic,model=virtio -net user -drive file=~/vm/win10.hd.img.raw,format=raw,if=virtio -vga qxl -usbdevice tablet -rtc base=utc |
Here goes. | |
ls /usr/src/linux-headers-* -d | sed -e 's/.*linux-headers-//' | \ | |
sort -V | tac | sudo xargs -n1 /usr/lib/dkms/dkms_autoinstaller start | |
Run as root. |