QEMU version: 2.2.0
HDD init: qemu-img create -f qcow debian8-arm64.img 10G
Netinstall initrd: http://ftp.ru.debian.org/debian/dists/jessie/main/installer-arm64/20150107/images/netboot/debian-installer/arm64/initrd.gz
Netinstall kernel: wget http://ftp.ru.debian.org/debian/dists/jessie/main/installer-arm64/20150107/images/netboot/debian-installer/arm64/linux
Netinstall start:
qemu-system-aarch64 -machine virt -cpu cortex-a57 -nographic -smp 1 -m 512 -kernel linux -initrd initrd.gz -append "root=/dev/ram console=ttyAMA0" -global virtio-blk-device.scsi=off -device virtio-scsi-device,id=scsi -drive file=debian8-arm64.img,id=rootimg,cache=unsafe,if=none -device scsi-hd,drive=rootimg -netdev user,id=unet -device virtio-net-device,netdev=unet -net user
# "-fflags +genpts" - add this to regenerate packet timestamps (in case of error "Can't write packet with unknown timestamp") | |
./ffmpeg -fflags +genpts -i "/media/nfs/Nostromo/video/Japan Sinks (Nihon Chinbotsu) 1973 - WMV/NihonChinbotsu_1973.wmv" -acodec copy -vcodec copy ~/Desktop/NihonChinbotsu_1973.mkv |
Helper script to map ports to other servers.
had a database that was only accesible in the VPC on aws, so i created an dev intance and did a ssh tunnel to that dev instance with netcat mapping the port to the database
Forward all request from local 5432 to remote host google.com port 80
./nc-proxy.sh 5432 google.com 80
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When you try to remove the docker image with the following command
docker rmi 6795374be8c1
Sometimes you might be facing below error:
Error response from daemon: conflict: unable to delete 6795374be8c1 (cannot be forced) - image has dependent child images
Below is the Docker command line used to find the dependent child images
curl -I -X OPTIONS \ | |
-H "Origin: http://EXAMPLE.COM" \ | |
-H 'Access-Control-Request-Method: GET' \ | |
http://EXAMPLE.COM/SOMETHING 2>&1 | grep 'Access-Control-Allow-Origin' |