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
Charles Tamzarian Sneethe
digitalsignalperson
/ stream.sh
Last active
April 19, 2025 05:14
xdp screen cast example, modified to pipe to ffmpeg
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| mkfifo /tmp/gfifo | |
| ./xdp-screen-cast-ffmpeg.py & # or run in another terminal | |
| # Note the gstreamer pipeline | |
| # 'pipewiresrc fd=%d path=%u ! videorate ! video/x-raw,framerate=60/1 ! videoconvert ! filesink location=/tmp/gfifo' | |
| # I specified a 60/1 frameerate. You can do other pre-processing here, or offload it to ffmpeg. | |
| # Encode the stream and pipe to netcat | |
| # note: must specify correct resolution here | |
| # we can now use h264_nvenc, mpegts, and anything else ffmpeg has |
