vdv

# Use this script to test that your Telegram bot works.
#
# Install the dependency
#
#   $ gem install telegram_bot
#
# Run the bot
#
#   $ ruby bot.rb
#

vdv

## Find Available Target Editions
DISM.exe /Online /Get-TargetEditions

## Convert Server Standard 2019 Evaluation to Server Standard 2019
DISM /online /Set-Edition:ServerStandard /ProductKey:N69G4-B89J2-4G8F4-WWYCC-J464C /AcceptEula

## How To Activate 
slmgr /ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX
slmgr /skms [server]:[port]
slmgr /ato

vdv

How to create an HTTPS certificate for localhost domains

This focuses on generating the certificates for loading local virtual hosts hosted on your computer, for development only.

Do not use self-signed certificates in production ! For online certificates, use Let's Encrypt instead (tutorial).

vdv

// 1. Open the browser developper console on the network tab
// 2. Start the video
// 3. In the dev tab, locate the load of the "master.json" file, copy its full URL
// 4. Run: node vimeo-downloader.js "<URL>"
// 5. Combine the m4v and m4a files with mkvmerge

const fs = require('fs');
const url = require('url');
const https = require('https');

vdv

Safest way to clean up boot partition - Ubuntu 14.04LTS-x64, Ubuntu 16.04LTS-x64

Reference

Case I: if /boot is not 100% full and apt is working

1. Check the current kernel version

$ uname -r 

vdv

BEGIN {

  require 'net/http'
  
  Net::HTTP.module_eval do
    alias_method '__initialize__', 'initialize'
    
    def initialize(*args,&block)
      __initialize__(*args, &block)

vdv

require 'cgi'
require 'json'
require 'active_support'

def verify_and_decrypt_session_cookie(cookie, secret_key_base)
  cookie = CGI::unescape(cookie)
  salt         = 'encrypted cookie'
  signed_salt  = 'signed encrypted cookie'
  key_generator = ActiveSupport::KeyGenerator.new(secret_key_base, iterations: 1000)
  secret = key_generator.generate_key(salt)[0, ActiveSupport::MessageEncryptor.key_len]

vdv

/home/deployer/site/shared/log/nginx-*.log {
        weekly
        missingok
        rotate 10
        compress
        delaycompress
        notifempty
        create 0640 deployer deployer
        postrotate
                [ ! -f /var/run/nginx.pid ] || kill -USR1 `cat /var/run/nginx.pid`

vdv

#!/usr/bin/env bash

DUMP_PATH="/var/backup/mysql"
DB_NAME="db_name"
USER="backup"
PASSWORD="pass"

mysqldump -u$USER -p$PASSWORD $DB_NAME | gzip -c > $DUMP_PATH/$DB_NAME.$(date +'%s').sql.gz
cd $DUMP_PATH
rm -f $(ls -1t $DUMP_PATH | tail -n +200)

vdv

#!/usr/bin/env bash

DUMP_PATH="/var/backup/mysql"
DB_NAME="db_name"
USER="backup"
PASSWORD="pass"

mysqldump -u$USER -p$PASSWORD $DB_NAME | gzip -c > $DUMP_PATH/$DB_NAME.$(date +'%s').sql.gz
cd $DUMP_PATH
rm -f $(ls -1t $DUMP_PATH | tail -n +200)