Snapshot backup using cp -al and rsync

This script requires genuine cp -al capable gnu and rsync commands together with a hardlink capable FS + OS.     #!/bin/bash [ $# -ne 2 ] && echo “Incorrect usage : $0 <source path> <target path>” && exit 128 ; SOURCEFOLDER=$1 TARGETFOLDER=$2 SF_LEN=${#SOURCEFOLDER}-1 TF_LEN=${#TARGETFOLDER}-1 #echo “Last character in source folder is ${SOURCEFOLDER:SF_LEN}” if […

Simple page to redirect to https from index.html

<html> <head> <title> Redirecting…</title></head> <script language=”JavaScript”> function redirectHttpToHttps() { var httpURL= window.location.hostname + window.location.pathname +; var httpsURL= “https://” + httpURL; window.location = httpsURL; } redirectHttpToHttps(); </script> <body> </body> </html>   nJoy 😉

Saving a million documents in Mongo using Nodejs and mongodb module

/** * Created by davidsaliba on 13/03/2017. */ var MongoClient = require('mongodb').MongoClient , format = require('util').format; var url = 'mongodb://localhost:27017/test'; var async = require ('async'); var entry = { data : "skdlfjsdf", array : [ {id:"arr_obj1"} , {id:"arr_obj2"} ] }; var entries = []; var total_entries = 1000000 for (var j = 0 ; j…

Installing git on Debian 8.x

You should edit your sources.list , by adding the following line: deb jessie main contrib Then upgrade your package and install git: apt-get update &amp;&amp; apt-get upgrade &amp;&amp; apt-get dist-upgrade apt-get -f install apt-get install git nJoy 😉

Sending mp4 to a wowza with ffmpeg

ffmpeg -re -i video.mp4 -vcodec libx264 -vb 1500000 -g 60 -vprofile main -f flv rtmp://   nJoy 😉

Create windows 10 boot disk on almost any linux host

Mount the ISO: sudo mount -t udf -o loop,ro,unhide /path/to/file.iso /mnt Insert the USB drive. Run fdisk and specify the device name of the USB drive; for example: sudo fdisk /dev/sdc Delete any existing partition table and create a new one. Create a new partition of at least 4.5 GB. Mark it bootable and set…

test Graylog GELF UDP input from Bash

for i in {1..100} ; do echo '{"version": "1.1","host":"","short_message":"A short message that helps you identify what is going on","full_message":"Backtrace here\n\nmore stuff","level":1,"_user_id":9001,"_some_info":"foo","_some_env_var":"bar"}' | nc -w 1 -u 12201 ; done   nJoy 😉