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spino327 / System Design.md
Created May 25, 2020 23:49 — forked from vasanthk/System Design.md
System Design Cheatsheet

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

  1. Clarify and agree on the scope of the system
  • User cases (description of sequences of events that, taken together, lead to a system doing something useful)
    • Who is going to use it?
    • How are they going to use it?
@spino327
spino327 / masquerade_as_mac.sh
Created July 28, 2018 20:04 — forked from u8sand/masquerade_as_mac.sh
El-Capitan Mac OS X VM Oracle Virtualbox configuration
#!/bin/bash
vm="OSX"
VBoxManage modifyvm $vm --cpuidset 00000001 000106e5 00100800 0098e3fd bfebfbff
VBoxManage setextradata $vm "VBoxInternal/Devices/efi/0/Config/DmiSystemProduct" "iMac11,3"
VBoxManage setextradata $vm "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion" "1.0"
VBoxManage setextradata $vm "VBoxInternal/Devices/efi/0/Config/DmiBoardProduct" "Mac-F2238BAE"
VBoxManage setextradata $vm "VBoxInternal/Devices/smc/0/Config/DeviceKey" "ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc"
VBoxManage setextradata $vm "VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC" 1