Skip to content

Instantly share code, notes, and snippets.

View micahyoung's full-sized avatar

Micah Young micahyoung

17 followers · 6 following
View GitHub Profile
@micahyoung
micahyoung / Vagrantfile
Created October 28, 2015 00:33
bosh-lite-swapfob
load './bosh-lite/Vagrantfile'
USB_NAME = 'SanDisk Cruzer Blade [0100]'
USB_VENDOR_ID = '0x0781'
USB_PRODUCT_ID = '0x5567'
SWAP_LABEL = 'SWAP-FOB'
Vagrant.configure('2') do |config|
config.vm.provision "shell", inline: "echo LABEL=#{SWAP_LABEL} swap swap sw 0 0 >> /etc/fstab; swapon -a"
@micahyoung
micahyoung / caps-ctrl.reg
Last active August 28, 2016 00:23
Windows boilerplate
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Keyboard Layout]
"Scancode Map"=hex:00,00,00,00,00,00,00,00,02,00,00,00,1d,00,3a,00,00,00,00,00
@micahyoung
micahyoung / DISKPART for WinToGo
Created October 15, 2016 03:18
select disk 1
clean
convert gpt
create partition efi size=256
format quick fs=fat32 label="System"
create partition primary
format quick fs=ntfs label="Windows"
@micahyoung
micahyoung / DevstackingHaas.md
Last active April 17, 2017 13:32
  2. Create ubuntu 16.04 VM in Fusion
  3. Shutdown VM and take snapshot
  4. Go to Settings on Local VM -> Compatibility -> Advanced Settings -> Use Hardware Version 11
  5. Connect to haas environment in Fusion (File -> Connect to Server)
  6. Right click on VM -> Upload to Server
  7. Go to Settings on Server VM -> Processors & Memory -> Advanced Settings -> Enable hypervisor...
  8. (Optional) In Settings, increase RAM and CPUs
  9. Start VM and log in
  10. Install dependencies: apt install git xz-utils uvtool-libvirt
@micahyoung
micahyoung / Installing ESXi on Supermicro SYS‐E200‐8D.md
Last active August 14, 2022 10:58
Installing ESXi on Supermicro SYS‐E200‐8D
  1. Download ESX 6.5.0 from https://my.vmware.com/group/vmware/info?slug=datacenter_cloud_infrastructure/vmware_vsphere_hypervisor_esxi/6_0
  2. Download unetbootin https://unetbootin.github.io/
  3. Use unetbootin to Write ESXi image to USB
  4. Connect your USB, power and a Ethernet network with DHCP
  • Bottom left port of 4 is vnic0
  • Management port above the USB is optional
  1. Boot your machine and press DEL repeatedly after SUPERMICRO screen
  2. On the setup screen, go to the Save & Exit page
    • At the bottom under Boot Override, select UEFI to boot from your USB drive
  3. ESXi installer should start. Complete the installation to an internal drive, remove your USB
@micahyoung
micahyoung / RaspberryPi-OpenVPN-router.md
Last active June 7, 2017 03:11

  1. Install Raspbian Jessie Lite

    umount /dev/rdisk<DISK ID>*
sudo dd if=~/Downloads/2017-04-10-raspbian-jessie-lite.img of=/dev/rdisk<DISK ID> bs=1g

  2. Add empty file name ssh to FAT32 boot partition

    

    3. 



touch /Volumes/boot/ssh



  


  




    


          
    

      

        
        

          

              @micahyoung
          

          

            
                micahyoung
                / export_vcap_services.sh
            
            

              Last active
              March 7, 2019 11:22
            

              
                export all VCAP_SERVICES user-provided credentials as individual environment variables for start command shell script (jq 1.3 or newer)
              
          

        

      

        

  

    
    


        



  


  

        

          
          #!/bin/bash
        

        

          
          

        

        

          
          while read ENV_PAIR; do export "${ENV_PAIR}"; done \
        

        

          
            < <(echo $VCAP_SERVICES | jq -r '.["user-provided"] | .[].credentials | to_entries[] | "\(.key)=\(.value)"')
        

        

          
          

        

        

          
          # assuming `cf create-user-provider-service foo-service -p '{"MY_VAR":"foo"}'` and bound
        

        

          
          echo $MY_VAR # => foo
        

  





    


  




    


          
    

      

        
        

          

              @micahyoung
          

          

            
                micahyoung
                / rpi router.md
            
            

              Last active
              June 22, 2017 02:36
            

          

        

      

        

  

      

    
RaspberryPi Router


Useful for a devstack vm


brctl addbr br0
brctl addif br0 eth1 eth2

cat <<EOF > /etc/network/interfaces
source-directory /etc/network/interfaces.d



  


  




    


          
    

      

        
        

          

              @micahyoung
          

          

            
                micahyoung
                / gist:01b8d6d7b7496483d50a04c54aa13f75
            
            

              Created
              July 23, 2017 04:14
            

          

        

      

        

  

    
    


        



  


  

        

          
          Verifying that "micahyo.id" is my Blockstack ID. https://onename.com/micahyo
        

  





    


  




    


          
    

      

        
        

          

              @micahyoung
          

          

            
                micahyoung
                / cf-one-liner.sh
            
            

              Last active
              December 12, 2018 18:44
            

              
                Twitter-length CF one-line webserver
              
          

        

      

        

  

    
    


        



  


  

        

          
          cf push 1L -c 'while :; do echo -e "HTTP/1.1 200 OK\n\n42" | nc -l $PORT; done' -b binary_buildpack -p $(dirname $(mktemp $(mktemp -d)/XXX))
        

        

          
          

        

        

          
          # * Cross platform (run from MacOS + Linux)
        

        

          
          # * Container needs only 5M RAM