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@JasonCC
JasonCC / script-template.sh
Created Dec 18, 2020 — forked from m-radzikowski/script-template.sh
Minimal safe Bash script template - see the article with full description: https://betterdev.blog/minimal-safe-bash-script-template/
View script-template.sh
#!/usr/bin/env bash
set -Eeuo pipefail
trap cleanup SIGINT SIGTERM ERR EXIT
script_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd -P)
usage() {
cat <<EOF
Usage: $(basename "${BASH_SOURCE[0]}") [-h] [-v] [-f] -p param_value arg1 [arg2...]
@JasonCC
JasonCC / iterm2-solarized.md
Created Sep 22, 2018 — forked from kevin-smets/iterm2-solarized.md
iTerm2 + Oh My Zsh + Solarized color scheme + Meslo powerline font + [Powerlevel9k] - (macOS)
View iterm2-solarized.md

Default

Default

Powerlevel9k

Powerlevel9k

@JasonCC
JasonCC / latency.txt
Created Jun 8, 2018 — forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
View latency.txt
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD
@JasonCC
JasonCC / syntax.s
Created Oct 21, 2017 — forked from mishurov/syntax.s
AT&T assembly syntax and IA-32 instructions
View syntax.s
# --------
# Hardware
# --------
# Opcode - operational code
# Assebly mnemonic - abbreviation for an operation
# Instruction Code Format (IA-32)
# - Optional instruction prefix
# - Operational code
@JasonCC
JasonCC / README.md
Created Jul 7, 2017 — forked from watkinsmatthewp/README.md
Git aliases script
View README.md

This script sets up your Git environment by creating/setting several common aliases and shortcuts for them.

View git-cheat-list.md

Git cheat list

  • name of the current banch and nothing else (for automation)

    git rev-parse --abbrev-ref HEAD
    
  • all commits that your branch have that are not yet in master

    git log master..<HERE_COMES_YOUR_BRANCH_NAME>
    
View dirtycow-mem.c
/*
* CVE-2016-5195 dirtypoc
*
* This PoC is memory only and doesn't write anything on the filesystem.
* /!\ Beware, it triggers a kernel crash a few minutes.
*
* gcc -Wall -o dirtycow-mem dirtycow-mem.c -ldl -lpthread
*/
#define _GNU_SOURCE
@JasonCC
JasonCC / cowroot.c
Created Oct 25, 2016 — forked from rverton/cowroot.c
CVE-2016-5195 (DirtyCow) Local Root PoC
View cowroot.c
/*
* (un)comment correct payload first (x86 or x64)!
*
* $ gcc cowroot.c -o cowroot -pthread
* $ ./cowroot
* DirtyCow root privilege escalation
* Backing up /usr/bin/passwd.. to /tmp/bak
* Size of binary: 57048
* Racing, this may take a while..
* /usr/bin/passwd overwritten