Here is Guide With Steps on Installing Fail2ban on Ubuntu 14.04 on Server Running Nginx on HP Cloud. It adds a layer of security to SSH. HP Cloud has key based login and excellent virtual router where we can control the ingress-egress policies. We have shown before how to add port knocking to hide the SSH daemon. Fail2ban is another way to add security. This guide is intended for the advanced … [Read more...]
Archives for August 2015
Streaming Video, Audio on Demand with Nginx (HP Cloud)
Here is a Very Easy Guide For Streaming Video, Audio on Demand with Nginx on HP Cloud Using RTMP Protocol, Which is Needed For YouTube Live. This guide does not requires VLC Player unlike we described before, Wowza Player or any other web software. This is very easy and highly scalable. We are using Nginx Community Edition. Nginx Plus has some extra features for streaming. RTMP Protocol is Real … [Read more...]
Arduino 3V DC Motor Control : Transistor, IC & More
Here is a Detailed Guide on Arduino 3V DC Motor Control To Have a Basic Idea On Control With Transistor, IC etc. This is Basic of Robotics. There are lot of things to know and we are assuming that the reader knows nothing. What we expect? we will code via Arduino IDE and control the rotation per minute or even can reverse it. If you more nice but easy guide, you can follow our guide on Arduino … [Read more...]
Rackspace & HP Cloud Server VNC Remote Desktop (Ubuntu 14.04)
Here is Updated Guide For Using Rackspace & HP Cloud Server VNC Remote Desktop on Ubuntu 14.04 LTS With Step by Step Commands With TightVNC. Older guide is here - Ubuntu with GUI on Rackspace Cloud Server as VNC Remote Desktop. We were thinking to publish new versions of guides, in fact published some of them, but specially for this article - it is on request of a reader over Twitter. Those … [Read more...]
Arduino GSM Shield : Getting Started With DIY IoT
Compared to Wi-Fi Shield, Arduino GSM Shield is Practical as It Opens the Door Towards Real IoT. We Need to Control Things Over Internet. You can live without Wi-Fi. The basic theory is very important to know - what is Ethernet, what is Wi-Fi, Wi-Fi vs Ethernet, GSM, GPRS, TCP etc. Arduino GSM Shield : Why We Prefer it Over Wi-Fi Shield Wi-Fi is for creation of Wireless … [Read more...]
Externally Powering Arduino Controlled Components : Basics
This Guide on Externally Powering Arduino Controlled Components Corrects the Basics of Wiring, Clears the Idea of Trimpot, Transistor, Diode. Most of guides which ranks higher on SERP, the websites which are popular but never talks about the basics, frequently misguides; forces to buy 50-60 years old junk electronics components which are not normal to use in mid 2015. Externally … [Read more...]
XenForo Mandrill SMTP Settings (Cloud Transactional Email)
Here is the Right XenForo Mandrill SMTP Settings For a Typical Nginx-XenForo Setup. Mandrill is Used a Cloud Transactional Email in Guide. We have shown in a previous guide that, using Mandrill we can receive emails on WordPress without any server side configuration. Also, we have an article on Cloud Transactional Email Service provider comparison. XenForo Mandrill SMTP Settings : … [Read more...]
Fix Apple Magic Mouse Connecting and Disconnecting Issue
Many Alternative Medicine Has Been Prescribed, Here is How To Fix Apple Magic Mouse Connecting and Disconnecting Issue With Logical Explanation. We wrote about the famous Apple Magic Mouse before. One can use Apple Magic Mouse on Microsoft Windows, GNU/Linux etc. OS as well. Our previous fix around erratic cursor dance for MBP Trackpad was kind of treatment in alternative medicine line. CD/DVD … [Read more...]
WordPress XML-RPC Attack & Fake PHP5-FPM Error
We talked about blocking WordPress XML-RPC and preventing DDoS attacks on Cloud IaaS. Our crime was talking about blocking WordPress XML-RPC Attack via PHP-WordPress way. The script kiddies were running the exploit on a shared server, possibly enjoying the access to the database, we probably harmed their way of spamming. Their outburst of anger on our servers did more bad. We faked as if we are … [Read more...]
Mini Christmas Light With Arduino (Very Easy)
Here is a Mini Christmas Light With Arduino as Project Which Needs 3 Resisters and 3 LEDs, No External Power Supply. It Has 2 Blink Effects. This is great for the beginners and better than plain Blink that is supplied with the Arduino Software. It does not need external power means - it needs very less resources. Mini Christmas Light With Arduino : Required … [Read more...]