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...]
Enable Syntax Highlighting in nano on SSH from iTerm2
Most Users Want to Enable Syntax Highlighting in nano on SSH from iTerm2. It really looks odd to have mono colored SSH screen. Definitely you know what is Syntax Highlighting, else you would not search or read this article! The basic thing need to be understood is that; definitely your Terminal or iTerm2 is well decorated with Color Schemes, Syntax Highlighting etc; keep two things in mind - first … [Read more...]
Memcached Configuration and Optimization for Rackspace Cloud Server
Memcached Configuration & Optimization for Rackspace Cloud Server Guides To Tune CPU and RAM Expensive Queries to be Served from the Cache. Memcached is more harder to properly nicely configure than you can think. Many parameters of the setup need to be known for Memcached. We basically started from a very cost effective solution - How to Install WordPress on Rackspace Cloud Server (Ubuntu … [Read more...]
Technical Aspects of Data Security in the Cloud
Cloud computing, no longer just a buzzword, but it has established itself over the years as a serious technology for the provision of infrastructure, platforms and applications. Cloud computing cow offers industry specific cloud solution for certain services. The end-users, for example, have the opportunity to outsource the data previously stored locally in the cloud and the advantage of this, … [Read more...]