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/*  Copyright (C) 2012-2015  P.D. Buchan ([email protected])

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

mskf3000

#!/bin/usr/env python2

from scapy.all import *
from argparse import ArgumentParser
from sys import argv
from time import time

# shut up scapy
conf.verb=0

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asn() {
  if [ -z "$1" ]
  then
    echo "usage: asn url" 1>&2
    return 1
  fi

  ips=$(dig $DIG_ARGS +short $1)
  if [ -z "$ips" ]
  then

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#!/bin/bash

############################################################################################################
# ----------------------------------------------------------------------
# ASN/IPv4/Prefix lookup tool. Uses Team Cymru's whois service for data.
# ----------------------------------------------------------------------
# example usage:
#  asn <ASnumber>      -- to lookup matching ASN data. Supports "as123" and "123" formats (case insensitive)
#  asn <IP.AD.DR.ESS>  -- to lookup matching route and ASN data
#  asn <ROUTE>         -- to lookup matching ASN data

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#!/bin/bash
#vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4:
#
# Author : Nicolas Brousse <[email protected]>
# From : https://www.shell-tips.com/2010/09/13/linux-sysctl-configuration-and-tuning-script/
#
# Added kernel version < 2.6.33 set net.ipv4.tcp_congestion_control=htcp
# Notes :
#   This script is a simple "helper" to configure your sysctl.conf on linux
#   There is no silver bullet. Don't expect the perfect setup, review comments

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seq 10 | xargs -l -I{} dig +short -t TXT @ns1.google.com _cloud-netblocks{}.googleusercontent.com | tr ' ' '\n' | grep -F ip4 | cut -d ':' -f 2 | sort -V > cloud-netblocks.cidr

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#!/bin/bash

export _SSH_COMPLETE_F_CACHE="/tmp/_ssh_complete"
export _SSH_COMPLETE_HOSTS=""
[[ ! -f "$_SSH_COMPLETE_F_CACHE" ]] && touch "$_SSH_COMPLETE_F_CACHE"


_ssh_complete() {

    if [ -z "$_SSH_COMPLETE_HOSTS" ]; then

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#!/bin/bash

set -o nounset
set -o errexit
set -o pipefail
set -x

INSTANCE_NAME=$1
shift

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Table of Contents

• References
• Other cheatsheets
• multiple gcloud config configurations
  • switch gcloud context with gcloud config
• auth
• info
• projects
• zones

mskf3000

DOCTL
Installation
Option 1 – Download a Release from GitHub
Visit the Releases page for the doctl GitHub project.
https://github.com/digitalocean/doctl/releases
tar xf ~/doctl-1.4.0-linux-amd64.tar.gz
sudo mv ~/doctl /usr/local/bin

Configure