Computational complexity theory theoretically deals with problems to be treated in mathematically defined computer models,like use of resources or storage space. Computational Complexity is the attempt to define the set of efficiently solvable ways for inherently difficult problems. Basics of Computational Complexity Theory Computational Complexity Theory differs from computability … [Read more...]
Cron and Cron Job : Do Works Without Shell
Cron is less known but almost universally present feature on any kind of server with an usual control panel.One can perform works via Cron without Shell Access. Those who have very good grasp on UNIX, uses this nifty Cron program to execute commands or scripts automatically at a specified time/date, like taking a backup. Unlike the CLI, which is absent in most Shared servers, some VPS, special … [Read more...]
Run Ubuntu Live Using External SATA Hard Disk
Run Ubuntu Live Using External SATA Hard Disk. You need not to purchase an external hard disk, even a desktop SATA or PATA Hard Disk will work for this project. Ubuntu right now is one of the most advanced and well supported Operating System. Let us do some fun work. Preface : Run Ubuntu Live Using External SATA Hard Disk There is an official Windows installer for Ubuntu. This … [Read more...]
Node in Cloud Computing : What this Node Means ?
Node in Cloud Computing is a connection point, either a redistribution point or an end point for data transmissions in general. Node in Cloud Computing is not a neologism. Node is actually a terminology that is derived from Networking. From Networking it was used in Grid Computing, then Virtualization and from from Virtualization in Cloud Computing. Node in Cloud Computing can be … [Read more...]
Scalable MySQL Database for WordPress with Rackspace Cloud
Scalable MySQL Database for WordPress is very easy to create as Rackspace allows Cloud Database,so does Amazon. Here is a guide for high performance WordPress. In our previous guide for Creating a Scalable Cloud Infrastructure for WordPress, we created the full setup in the Cloud. But, in this guide on creating Scalable MySQL Database for WordPress with Rackspace Cloud, we will show how to setup a … [Read more...]
WordPress Cloud Backup Plugin : Add Your Requirements
WordPress Cloud Backup Plugin is an under development plugin, by feature it will be most advanced to backup in any advanced WordPress Installation on any Cloud. Yes, unlike falsely claimed as most advanced premium backup plugins, WordPress Cloud Backup Plugin will be under GPL and Free. We published before that we are working on a backup plugin, in fact we submitted one Plugin to WordPress repo, … [Read more...]
Repairing WordPress Database : Using Cloud Database Server
Repairing WordPress Database is easy by using Cloud Database Server like from The Rackspace Cloud which provides MySQL database server with PHPmyAdmin software. Repairing WordPress Database is needed for various reasons - after getting hacked, after few years of continuous posting 5-6 articles per day and as a optimization process. Consider Repairing WordPress Database when your WordPress database … [Read more...]
Wide Angle Lens in Digital Photography
Wide Angle Lens is known in photography as a lens with an angle that is greater than that corresponding to the natural impression of the human eye. Wide Angle Lens in Digital Photography has the opposite properties of the telephoto lens : It is better than a standard lens and have a shorter focal length. Basics of Wide Angle Lens With Wide Angle Lens, larger area can be … [Read more...]
Ethernet : An Elaborated Article
Ethernet is a technology for wired data networks similar to LAN and enables data exchange in the form of data packets between LAN connected devices. At present rates of 10 megabits / sec, 100 Mbit / s (Fast Ethernet), 1000 megabits / s (Gigabit Ethernet) to 10 Gb / s are available. In traditional expression, the LAN extends only over a building; Ethernet operates by fiber and also has a limited … [Read more...]
Installing TheHostingTool Control Panel on Rackspace Cloud Sites
Installing TheHostingTool Control Panel on Rackspace Cloud Sites is easy as like Installing any PHP MySQL software like WordPress. Great tool for the Resellers. TheHostingTool can be installed without root access. Preface for Installing TheHostingTool Control Panel on Rackspace Cloud Sites We are writing about Rackspace Cloud Sites, not Cloud Server. For Cloud Server you can … [Read more...]
List of Open Source Forum Softwares Based on PHP MySQL
List of Open Source Forum Softwares Based on PHP MySQL shows some free yet powerful forum softwares for your main domain or on subfolder or subdomain. List of Open Source Forum Softwares Based on PHP MySQL is the sequel of three similar articles to promote Open Source : List of Open Source PHP MySQL Based E-Commerce Softwares List of Open Source Project Management Softwares … [Read more...]