Distributed Replicated Block Device or DRBD is a free network storage solution software. A kernel module together with a management application in user space with a script serves the function of a a block device on a productive (primary) server in real time to another (secondary) server to reflect it. This method is used to acheive high availability (HA) in the Linux environment and thus can … [Read more...]
Github SSH Key Not Working For Command Line : Troubleshooting
Github SSH Key not working for command line but is working for Mac GUI Tool from Github - this is quite common situation and here is very easy way to fix it. Github has official guide for Github SSH Key not working for command line, but actually that is not very practical in all cases. They have used an one user, one repository (that is Github) specific guide. Github SSH Key not working … [Read more...]
Competition in Cloud Computing
Competition in cloud computing is making the IaaS and PaaS to grow together. PaaS is almost by all the providers has a good free usage quota. This is a plus point for the developers to develop free softwares like WordPress Plugins without any investment. Definitely that cost is coming from sucking someone else's wallet by the provider. Cloud computing to some extent conquered the corporate IT if … [Read more...]
Watchdog timer : What is Hardware and Software Watchdog ?
Watchdog timer or simply Watchdog is generalized for a component of a system used to monitor the operation of other components for possible malfunction. When a possible malfunction is detected, then either of these Watchdog timer system gives a signal or a suitable jump instruction initiated, adjusted for the problem at that time. The signal or jump instructions are used directly or indirectly as … [Read more...]
How to Choose a Flash for DSLR
How to Choose a Flash for DSLR ? Well, there are few points need to know apart from the set budget, which can help choosing a right flash for your DSLR camera. We write the articles on our topics in a hierarchical pattern. Those who are regular readers, they understand and correlate the topic faster than a new visitor. This is what our analytics is saying. How to Choose a Flash for DSLR depends on … [Read more...]
Core Components of Cloud Computing
Core Components of Cloud Computing platform includes the identity and authorization management apart from virtualization software, hardwares and network used. This does not only guarantee facility and manageability of identities, but also the safety of the different systems and cloud-based applications. A modern identity and authorization management system consists of several components, which … [Read more...]
What SIP Trunking is and Why You Need It
What SIP Trunking is - SIP Trunking is based on Session Initiation Protocol (SIP). It is for Voice over Internet Protocol (VoIP) and streaming media. Previously we published articles on both - Voice over Internet Protocol (VoIP) and streaming media. If you imagine combining both, closer will be the technologies behind videoconferencing. The advances in digital telecoms over the past few years … [Read more...]
TRIM and SSD : What is TRIM ?
TRIM is a command. TRIM is not an acronym. TRIM command allows an operating system to indicate that a disk controller, which blocks of data are no longer used and can be deleted. This command improves access to SSD performance. SSD by function works somewhat like 'placing data across various locations' when compared to platter hard disk which 'saves data in cluster'. We wrote about Solid State … [Read more...]
Installing Free Web Control Panel OpenPanel on Rackspace Cloud
Installing Free Web Control Panel OpenPanel on Rackspace Cloud is a detailed step by step video guide to demonstrate how easy it is to get a smart control panel. OpenPanel is a free cPanel like Control Panel that can be installed on unmanaged Rackspace Cloud Server to add / remove domains, add FTP and other things from a GUI. Introduction to Installing Free Web Control Panel OpenPanel on … [Read more...]
Diaphragm Blades : Number of Blades and Technical Details
Diaphragm Blades can vary in number, in shape. It directly has effect on the creation of the shape of the opening depending upon the set aperture. We will not go in to details of Diaphragm itself, because that topic; Diaphragm of Digital SLR Camera Lens has been discussed before. This article is specific on the Diaphragm Blades, a part of it. Possibly the most important part. Basics … [Read more...]
Outsourcing to Public Cloud : How You Should Proceed
Outsourcing to Public Cloud includes aspects general objectives, establishment of a Outsourcing management with organizational structures and responsibilities. Any company that benefits from the use of a public cloud should first think about a strategy for outsourcing projects. The outsourcing strategy illustrates how an outsourcing project in the whole strategy has to be integrated,especially in … [Read more...]