Category: How To’s

Learn | Teach Open Source Technologies

How to configure ICINGA2 Monitoring server on CentOS / RHEL 7

Before we start to configure ICINGA2 we need to ensure that LAMP is installed on our machine. SELINUX Setup view /etc/selinux/config sed -i ‘s/SELINUX=enforcing/SELINUX=permissive/g’ /etc/selinux/config reboot

How to enable and use EPEL Repo in RedHat / CentOS Linux

Red Hat Enterprise Linux 7 / CentOS 7 rpm -ivh yum update

Setting up custom domain in OSClass

Please go to your server root and open config.php to setup custom domain cd /var/www/html/

How to install FFmpeg, FLVTool2 and MP4Box on Ubuntu 14.04

  root@www:~# sudo add-apt-repository ppa:mc3man/trusty-media root@www:~# sudo apt-get update root@www:~# sudo apt-get install ffmpeg gstreamer0.10-ffmpeg root@www:~# which ffmpeg /usr/bin/ffmpeg root@www:~#

Clip Bucket 2.8 on Ubuntu 14.04 with NGINX & PHP5-FPM on DigitalOcean VPS

Setup your own Video sharing website like, , or using Clip Bucket video hosting / sharing code in 30 minutes. First of all we need to update our Ubuntu 14.04 with latest updates apt-get update apt-get upgrade

How to Test-Drive OpenStack

¬†Here’s a scenario. You’ve been hearing much about¬†OpenStack and you’re interested in putting it through a test drive so you can start learning it

Preparing a Test Environment Using OpenStack

Please download complete Installation Guide from the following link. Download link

MyPaint for Linux to create Images from Scratch

Normally Linux users think they only have GIMP is available tool for creating graphics but this is not true. Very nice Open Source Imaging designing tool with the name of MyPaint is available for GNU Linux and Windows.