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# --------
# Hardware
# --------

# Opcode - operational code
# Assebly mnemonic - abbreviation for an operation

# Instruction Code Format (IA-32)
# - Optional instruction prefix
# - Operational code

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#GNU Screen Cheat Sheet

##Basics

• ctrl a c -> cre­ate new win­dow
• ctrl a A -> set win­dow name
• ctrl a w -> show all win­dow
• ctrl a 1|2|3|… -> switch to win­dow n
• ctrl a " -> choose win­dow
• ctrl a ctrl a -> switch between win­dow
• ctrl a d -> detach win­dow

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tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

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How to add an image to a gist

1. Create a gist if you haven't already.
2. Clone your gist:

   # make sure to replace `<hash>` with your gist's hash
   git clone https://gist.github.com/<hash>.git # with https
   git clone git@gist.github.com:<hash>.git     # or with ssh

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#![feature(libc)]

extern crate libc;

use libc::*;
use std::panic::*;
use std::ptr::*;

fn main() {
    unsafe {

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Tcpdump

Tcpdump is a commandline tool that is used to dump traffic on a network. This tool comes in hand when you want to analyse network captures within the command line. Basically it can do most of the wireshark job.

NOTE This guide might not be complete it just serve as a reference to me.

Additional Note & Reference

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(defun fnv32a (s)
  "Calculates FNV-1a 32-bit hash of given string s."
  (let (hval)
    (setq hval 2166136261)                      ; hval = FNV1_32A_INIT
    (loop for c across s do
          (setq hval (logxor hval c))           ; hval ^= c
          (setq hval (* 16777619 hval))         ; hval *= FNV_32_PRIME
          (setq hval (mod hval 4294967296)))    ; hval %= UINT32_MAX
    hval))