joseche

# first argument the xml file to convert
# second argument the csv output file

# TODO: it doesn't create the header of the csv file, only values

require 'nokogiri'
require 'pp'

exit unless ARGV.length > 1
exit unless File.exist?(ARGV[0])

joseche

echo kern.maxfiles=65536 | sudo tee -a /etc/sysctl.conf
echo kern.maxfilesperproc=65536 | sudo tee -a /etc/sysctl.conf
sudo sysctl -w kern.maxfiles=65536
sudo sysctl -w kern.maxfilesperproc=65536
ulimit -n 65536 65536 

joseche

# .bash_profile for login shell
# .profile for interactive shell 
# 
# control line:
[ -z "$BASHRC" ] || exit

# load defaults
[ -f /etc/bashrc ] && . /etc/bashrc
[ -f ~/.bash_profile ] && . ~/.bash_profile
[ -f ~/.profile ] && . ~/.profile

joseche

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "s3:GetBucketLocation",
        "s3:ListAllMyBuckets"
      ],
      "Resource": "arn:aws:s3:::*"

joseche

function computeDistance(startCoords, destCoords) {
  var startLatRads = degreesToRadians(startCoords.latitude); 
  var startLongRads = degreesToRadians(startCoords.longitude); 
  var destLatRads = degreesToRadians(destCoords.latitude); 
  var destLongRads = degreesToRadians(destCoords.longitude);
  
  var Radius = 6371; // radius of the Earth in km
  var distance = 
    Math.acos(Math.sin(startLatRads) * Math.sin(destLatRads) +

joseche

Use different github accounts with key auth

this works with URLs like git@github.com:...., not https

1 - Create a separate key for each account

Use this command:

ssh-keygen -t rsa -C "email address of each account"
# make sure you name the key file accordingly

joseche

# install tools
yum install -y policycoreutils-devel

# create policy from logs
grep nginx /var/log/audit/audit.log | audit2allow -M nginx

# add policy to allowed policies
semodule -i nginx.pp
  
# more info

joseche

# get access and secret keys form a role
# last param is the role name
curl http://169.254.169.254/latest/meta-data/iam/security-credentials/MyRole

joseche

# A public telnet server with many little games and distractions.
telnet telehack.com

# x-mas syslog
tail -F /var/log/syslog | awk '{printf("\033[%dm%s\033[0m\n",31+NR%2,$0)}'

# Star Wars Episode IV in Reverse DNS.
( seq 1 8 200 ; seq 6 8 200 ) | sort -n | xargs -I{} -n 1 dig +short -x 206.214.251.{} 

joseche

#!/usr/bin/python

# Author: jose@josehidalgo.net,
# github.com/joseche

# Requirements:
# pip install boto urlopen

# Credentials:
# You need to have your AWS keys in this file ~/.aws/credentials: