Beginner photographers often seek the answer to question, how to compose in photography easily. The topic is difficult without any doubt. Composition in Photography is really a difficult part, this is part for which it is said - it is not camera but the person behind the camera who takes the photograph. Probably, in many schools, in our childhood traditional painting was included, not everyone had … [Read more...]
Archives for April 2014
SSH to Server Without Entering Password From Mac (OS X)
SSH to Server Without Entering Password From Mac (OS X) - Known Method, We Practically Do It, But Problems are Common. We think, you should read this guide - Managing Multiple SSH Keys Through Command Line first before reading this one. Actually it sounds harsh to command the reader to "read this". But, it is impossible to know the level of knowledge of the reader. The reader can know more than … [Read more...]
Heartbleed : Is It Surprising That NSA Knew it?
It is surprising that NSA and their agencies knew about Heartbleed? Be it PRISM, Heartbleed or Cloud; we should be thankful to Snowden. If you read our article published on 14th April on OpenSSL and the Heartbleed Bug, you will find the relevant paragraph and this sentence "It is not clearly known why Google, Twitter and Facebook either were not affected by the problem or hidden the facts." Later … [Read more...]
Internet of Things Does Not Mean Wearable Stuffs
Internet of Things does not mean wearable stuffs - one company might want to sell a glass another a watch, but technology is about science. An average user never need more to know than we have written in the basic article on Internet of Things. How Semantic Web Works is important to understand. Internet of Things frameworks might help support the interaction between the "things" and allow for more … [Read more...]
Install Piwik on Rackspace Cloud Server (Ubuntu 14.04)
This is a step by step guide to install Piwik analytics software on Rackspace Cloud Server running Ubuntu 14.04 LTS with all the commands. We will recommend to open this detailed guide to Install WordPress on Rackspace Cloud Server (Ubuntu 14.04 PVHVM). All the need are exactly the same for Piwik, you will definitely not proceed to install WordPress. You will stop at the sub header named What is … [Read more...]
Varnish Cache : The HTTP Accelerator
Varnish is a web accelerator for dynamic web pages with lots of content like WordPress. Unlike other client-side proxies or servers ( read about reverse proxy), Varnish was designed from the ground up as a Web accelerator. Varnish is used by Facebook, Twitter, E-Bay and lot of websites. Actually we published about Varnish HTTP Accelerator and Varnish Cache in 2012, it is a time to publish an … [Read more...]
Web Based Online Terminal Emulators
Depending on your need, there are many free terminal emulators which allow partial to full functions like terminal apps on Linux or OS X. We already know what is Terminal and What is Terminal Emulator. Another thing which many users are not fully aware of is types of Shells - UNIX Shell. Probably you have seen such a nice online terminal emulator on others' website and want to have something that … [Read more...]
Install and Run SIP Server on Ubuntu : Basic Guide
You can Install and Run SIP Server on Ubuntu, Actually the Software is Free Software Too. The Configuration Can Go Complicated on OpenStack. As we shown on SRV records, you can add SIP as SRV record on Rackspace Cloud DNS, probably the Load Balancers do not support SIP Protocol ( ask them, we can not give warranty about their product features ). Obviously, you can install and run your own SIP … [Read more...]
Generate CSR File for SSL Certificate Request on Mac OS X
Instead of Server Operating System, You Can Use Your Mac OS X or Linux to Generate CSR File for SSL Certificate Request. Most probably fails to understand the fact : the guides on SSL Certificate authorities are written for Microsoft Windows users not for us. They probably can not generate readable / secure key / csr. If we generate on our own Mac or Linux PC, we can actually manage them and keep … [Read more...]
What is Softswitch?
Softswitch is the main device control layer architecture within a NGN (Next Generation Network), to provide call control (signaling and management services), call processing, and other services on a switched network Packet ( IP ). Example usage of Softswitch can be given with Cisco Unified Communications and other products. The Softswitch acts as manager at the time of interconnecting traditional … [Read more...]
Special Requirements For Data Security in the Cloud
Special Requirements For Data Security in the Cloud are Realized Primarily by Legislature with the Help of Committees and Working Groups. In the previous article, we have discussed about the Technical Aspects of Data Security in the Cloud. In this article, we will describe the working groups, their goals; as well as standards and certifications in the context of Data Security in the … [Read more...]