Cloud computing itself and the topic migration of IT Migration to the Cloud are two more interesting topics. IT Migration can be classified, hence IT Migration to the Cloud can be classified in to more precise classes like - IT Application Migration to the Cloud, IT Data Migration to the Cloud and so on. It is not a coincidence that on these issues, there are several ongoing researches, with the … [Read more...]
What is Drone or Unmanned Aerial Vehicle (UAV)?
Drone is Non-Specific Word. The thing which usually you read in gossip newspapers are Unmanned Aerial Vehicle (UAV). Here is basics on Drone. Drone itself can mean a Robot, an Unmanned Combat Aerial Vehicle (UCAV) or the former which we are talking about - Unmanned Aerial Vehicle (UAV). A drone or UAV (Unmanned Aerial Vehicle) is an aircraft with no on board passengers and are remote-controlled or … [Read more...]
How to Compose a Photograph to Make it Interesting
How to Compose a Photograph to Make it Interesting is Actually the Answer to the Basic Question - Why Only Few Photographers Become Famous. There is really no such thing like, you are mathematician and your photograph will not become famous. A book, a good blog, a photography print magazine, a course on Photography - all has certain steps. After all the steps get completed, … [Read more...]
Hosting WWW Subdomain on Rackspace Cloud Files CDN
Hosting WWW Subdomain on Rackspace Cloud Files CDN is Quite Easy. You need to resolve your root domain to an IP and add the container as CNAME. Practically we have written this kind of guide many a times. Naked domain is difficult to point towards a CDN. Although we have written about Pointing Naked Domains to CNAME, it is probably not a great idea, rather you can add an additional IP (ask … [Read more...]
Ambient Intelligence : Basics
Ambient Intelligence is pushing the technology towards the limit it had at the end of the twentieth century. It has direct relationship with Internet of Things (IoT). This concept seems to take the place of non-literal translation of concepts born in North America under the initial term like ubiquitous computing and pervasive systems. In this approach, the concept of information system leaned … [Read more...]
Docker and Virtualization
Docker is not a complete virtualization technology, but has features that, if developed; could compete in hypervisor such as VMware. When we talk about virtualization, always we include the classic examples of hypervisors such as VMware and Hyper-V and, although less frequently; technologies like Xen and KVM. In this list of virtualization technologies, almost never include Docker and the … [Read more...]
What is GlusterFS?
GlusterFS is a distributed file system, the memory elements are presented as a single file system from a plurality of servers or nodes. The various servers even nodes, form a client-server architecture over TCP / IP. A distinctive feature from NAS systems is that, a redundant connection of storage devices over TCP / IP is possible. The data on all the cluster nodes can be read and written at the … [Read more...]
Libswarm : The Open Source Docker API
Libswarm is an Open Source Docker, a Toolkit for Composing Network Services and Supported by Rackspace Cloud. We can aggregate all containers easily. The open source library allows us to move the Docker containers directly to Rackspace Cloud Server from different hosts, avoiding the lengthy previous manual method. If you are not sure what is Docker, before reading about Libswarm, you probably … [Read more...]
Reduce Time To First Byte (TTFB) on Cloud Server
It is Possible To Reduce Time To First Byte (TTFB), regardless of the web software or cms like WordPress, Joomla, Magento etc. used to create and maintain content on Cloud Server if You Know Which Components Determines This Time To First Byte (TTFB). Previously, we have discussed about Time To First Byte (TTFB). Some more information Here. Know What Determines The Value Before Trying To … [Read more...]
Ubuntu, Run Level and Auto Starting Application
In this guide, we will discuss about Ubuntu, Run Level and Auto Starting Application with some practical example to configure app to auto start. Silence is golden, so one day's break in the flow of our publication! Basically, we are checking vulnerabilities of the virtualization software on our servers. Run Level is not much known to the casual users, it is quite important for precise control of … [Read more...]
mysqlslap Tutorial : Basics on MySQL Stress Test Tool
Here is basic mysqlslap Tutorial to perform MySQL stress test. MySQL comes with mysqlslap, a benchmarking tool which can help you to test database servers. For MySQL optimization test, we usually use Major Hayden's MySQL Tuner Script. This mysqlslap tutorial is for the beginners. One should read in the way we normally handle MySQL database from command line. mysqlslap Tutorial : First … [Read more...]