wdalmut

Node.js TLS plain TLS sockets

This guide shows how to set up a bidirectional client/server authentication for plain TLS sockets.

Newer versions of openssl are stricter about certificate purposes. Use extensions accordingly.

Prepare certificates

Generate a Certificate Authority:

wdalmut

How to setup your own CA with OpenSSL

For educational reasons I've decided to create my own CA. Here is what I learned.

First things first

Lets get some context first.

wdalmut

#!/usr/bin/env node

// Channel ID is on the the browser URL.: https://mycompany.slack.com/messages/MYCHANNELID/
// Pass it as a parameter: node ./delete-slack-messages.js CHANNEL_ID

// CONFIGURATION #######################################################################################################

const token = 'SLACK TOKEN'; // You can learn it from: https://api.slack.com/custom-integrations/legacy-tokens 

// GLOBALS #############################################################################################################

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echo -e "\e[1;40m" ; clear ; while :; do echo $LINES $COLUMNS $(( $RANDOM % $COLUMNS)) $(( $RANDOM % 72 )) ;sleep 0.05; done|awk '{ letters="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789@#$%^&*()"; c=$4; letter=substr(letters,c,1);a[$3]=0;for (x in a) {o=a[x];a[x]=a[x]+1; printf "\033[%s;%sH\033[2;32m%s",o,x,letter; printf "\033[%s;%sH\033[1;37m%s\033[0;0H",a[x],x,letter;if (a[x] >= $1) { a[x]=0; } }}'

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/*
 * Migration
 */
'use strict';
module.exports = {
  up: function(queryInterface, Sequelize) {
    return queryInterface.createTable('Users', {
      firstName: {
        type: Sequelize.STRING
      },

wdalmut

Create NFS Volumes:

Creating the NFS Volume:

$ docker volume create --driver local \
  --opt type=nfs \
  --opt o=addr=192.168.1.115,uid=1000,gid=1000,rw \
  --opt device=:/mnt/volumes/mysql-test \
  mysql-test-1

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imports:                                                                                                                                                                                                           
    # ....
    - { resource: services/session.yml }


framework:
    # ....
    session:
      handler_id:     session.handler.memcached

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sudo mkdir /etc/systemd/system/docker.service.d/
sudo vim /etc/systemd/system/docker.service.d/cluster.conf

[Service]
Environment="DOCKER_OPTS=--cluster-advertise=10.0.0.2:2375 --cluster-store=etcd://10.0.0.2:2379 --host=tcp://10.0.0.2:2375"

sudo systemctl daemon-reload
sudo systemctl restart docker
sudo systemctl enable docker

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from optparse import OptionParser
import sys
import redis

__author__ = 'Jimmy John'
__doc__ = '''
    This is a script to make a copy of a redis db. Mainly to be used for cloning AWS Elasticache
    instancces. Elasticache seems to disable the SAVE/BGSAVE commands and you do not have access to
    the physical redis instances. The UI allows you to create 'Snapshots', but no way to download

wdalmut

# lib/puppet/parser/functions/pw_hash.rb

module Puppet::Parser::Functions
  newfunction(:pw_hash, type: :rvalue) do |args|
    raise Puppet::ParseError, "pw_hash takes exactly two arguments, #{args.length} provided" if args.length != 2
    # SHA512 ($6), default number of rounds (5000)
    # rounds could be specified by prepending rounds=<n>$ parameter before the salt, i.e.
    # args[0].crypt("$6$rounds=50000$#{args[1]}")
    args[0].crypt("$6$#{args[1]}")
  end