e12e

honkskillet

byte-size tuts

by alexander white ©

golang tutorials

• 0 - installation on a Mac
• 1 - packages
• 2 - remote packages
• 3 - variable syntax
• 4 - functions syntax
• 5 - loops syntax

eXenon

#!/usr/bin/python2

"""
    Use scapy to modify packets going through your machine.
    Based on nfqueue to block packets in the kernel and pass them to scapy for validation
"""

import nfqueue
from scapy.all import *
import os

ipedrazas

# knife cheat

## Search Examples

	knife search "name:ip*" 
	knife search "platform:ubuntu*"
	knife search "platform:*" -a macaddress
	knife search "platform:ubuntu*" -a uptime
	knife search "platform:ubuntu*" -a virtualization.system
	knife search "platform:ubuntu*" -a network.default_gateway

martinseener

#!/bin/bash

env x='() { :;}; echo vulnerable' bash -c "echo this is a test" | grep vulnerable > /dev/null 2>&1
if [ $? -eq 1 ]; then
  echo "Not vulnerable. Machine is safe."
  exit 0
else
  echo -n "Vulnerable. Version: "
  /bin/bash --version
  echo "Installing patch."

morhekil

http {
  log_format bodylog '$remote_addr - $remote_user [$time_local] '
      '"$request" $status $body_bytes_sent '
      '"$http_referer" "$http_user_agent" $request_time '
      '<"$request_body" >"$resp_body"';

  lua_need_request_body on;

  set $resp_body "";
  body_filter_by_lua '

trevnorris

The prep-script.sh will setup the latest Node and install the latest perf version on your Linux box.

When you want to generate the flame graph, run the following (folder locations taken from install script):

sudo sysctl kernel.kptr_restrict=0
# May also have to do the following:
# (additional reading http://unix.stackexchange.com/questions/14227/do-i-need-root-admin-permissions-to-run-userspace-perf-tool-perf-events-ar )
sudo sysctl kernel.perf_event_paranoid=0

mattetti

#!/usr/bin/env bash

set -eu

## The Godeps file is expected to have lines like so:
#
# github.com/nu7hatch/gotrail v2.6
#
## where the first element is the import path and the second is a tag
## or commit SHA in the project.

rtomaszewski

nova list | egrep -v 'ID|-----' | awk -F'|' '{print $2 }' | ( echo 'name pub-new(rc) ip priv-net ip init-net ip' ; while read cs; do nova show $cs |  egrep ' name |accessIPv4|public network|private' | awk -F"|" '{for (i=1;i<=NF;i++) gsub (/^ */,"",$i); print $2,$3}' | sort | xargs echo | awk ' { print $4,$1,$2,$5,$6,$7,$8 }'; done ) | column -t

name   pub-new(rc)  ip         priv-net        ip              init-net       ip
APP01  accessIPv4   1.2.3.141  privatenetwork  10.208.64.184   publicnetwork  1111:1a11:1111:2222:3333:2222:ff08:a1ce,11.13.12.17
APP01  accessIPv4   1.2.3.140  privatenetwork  10.208.97.95    publicnetwork  11.13.140.6,1111:2222:3333:4444:5555:ae11:ff08:70b5
APP02  accessIPv4   1.2.3.238  privatenetwork  10.208.97.115   publicnetwork  11.13.140.46,1111:2222:3333:4444:5555:ae11:ff08:9586
APP03  accessIPv4   1.2.3.142  privatenetwork  10.208.102.109  publicnetwork  11.13.177.167,1111:2222:3333:4444:5555:ae11:ff08:1300

chrismccoy

# alias to edit commit messages without using rebase interactive
# example: git reword commithash message
reword = "!f() {\n  GIT_SEQUENCE_EDITOR=\"sed -i 1s/^pick/reword/\" GIT_EDITOR=\"printf \\\"%s\\n\\\" \\\"$2\\\" >\" git rebase -i \"$1^\";\n git push -f;\n}; f"

# git alias to download single file from a repo in format of user/repo file
fetch-file = "!f() { out=\"${4:-$(basename \"$2\")}\"; if gh api \"repos/$1/contents/$2\" ${3:+-f ref=$3} --jq '.content' 2>/dev/null | base64 --decode > \"$out\" 2>/dev/null; then echo \"Downloaded $2 → $out\"; else echo \"Failed\"; rm -f \"$out\"; fi; }; f"

# git alias to download single file from a repo in the format of user/repo/file
fetch-file = "!f() { repo=\"$(echo $1 | cut -d/ -f1-2)\"; file=\"$(echo $1 | cut -d/ -f3-)\"; out=\"${3:-$(basename \"$file\")}\"; if gh api \"repos/$repo/contents/$file\" ${2:+-f ref=$2} --jq '.content' 2>/dev/null | base64 --decode > \"$out\" 2>/dev/null; then echo \"Downloaded $file → $out\"; else echo \"Failed\"; rm -f \"$out\"; fi;