Brian Rotich brotich

## curl.sh
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'

## Docker-find-dependent-child-image.md

      
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                Siva-Charan
                / Docker-find-dependent-child-image.md
            
            
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              October 9, 2022 11:18
            
              
                Docker: How to find the dependent child images?
              
          
    Find the dependent child images on Docker

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

  
## LICENSE.md

      
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                sj26
                / LICENSE.md
            
            
              Last active
              July 16, 2024 08:45
            
              
                Bash retry function
              
          
    This is free and unencumbered software released into the public domain.
Anyone is free to copy, modify, publish, use, compile, sell, or
distribute this software, either in source code form or as a compiled
binary, for any purpose, commercial or non-commercial, and by any
means.
In jurisdictions that recognize copyright laws, the author or authors
of this software dedicate any and all copyright interest in the
software to the public domain. We make this dedication for the benefit

  
## README.md

      
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                ivan-loh
                / README.md
            
            
              Last active
              September 30, 2022 19:13
            
              
                netcat tcp proxy, for mapping ports on a remote machine to a local machine
              
          
    Helper script to map ports to other servers.
Use Case

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
Sample Usage

Forward all request from local 5432 to remote host google.com port 80
./nc-proxy.sh 5432 google.com 80

  
## CHRUBY_add_ruby_version.md

      
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                yannvery
                / CHRUBY_add_ruby_version.md
            
            
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              December 8, 2023 00:51
            
              
                CHRUBY - How to install a new ruby version
              
          
    Install a new ruby version with chruby

OSX

First of all you must update ruby-build to update definitions list.
brew update
And update ruby-build

  
## gist:04a9a165f8ce561f7ddd

      
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                philipz
                / gist:04a9a165f8ce561f7ddd
            
            
              Created
              March 9, 2015 03:17
            
              
                Debian ARM64 (Aarch64) image for QEMU
              
          
    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


## gist:2947110
# "-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
	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'
	# "-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