Three Types of Virtual Hosts are Explained - Name-Based, IP-Based, Port-Based. These Terms Often Create Misunderstanding to the New Users. Right now, we should be talking about Apache 2.4, because there will be some difference in the manual of Apache 2.4 versus Apache 2.6. Types of Apache 2.4 Virtual Hosts, should not be confused with terminologies associated with core of Virtualization, such as … [Read more...]
Computer and Internet
Computer and Internet is catchall section of core computing categories including Cloud Computing, Digital Photography, Virtualization, Networking, Protocols and Others' which are not otherwise more subcategorized. Here also you will get unique articles and news on computer hardware, Software, Networking and Protocols.
TTL or Time to Live Explained
Time to Live or TTL is the term of validity of data in a given computer networks that limits the lifespan or lifetime of data, that determines how many intermediate stations (hops) a packet of data is allowed to pass in the Internet. We usually use Time to Live or TTL for Domain Name System (DNS) for Name Server Propagation. In brief, if TTL or Time to Live is very short like 300 Seconds, the … [Read more...]
WebScaleSQL : Basic Details and Installation
WebScaleSQL is a modified MySQL Database developed by Engineers at Facebook, Google, LinkedIn, and Twitter for making kind of scalable SQL. Everyone knows about MySQL Database. Those who do not know what is MySQL, they can read our previously published article - What is MySQL, Why We Need MySQL. At the time of publishing this article; WebScaleSQL is on everyone's lips. MySQL is great, but it is … [Read more...]
Restrict sudo Users Running Specific Commands
Restrict sudo Users Running Specific Commands for Apple's OS X, BSD and GNU Linux in various ways. This is a good way to increase security. It is not that, always we want to Restrict sudo Users Running Specific Commands for Not Relying, but mostly it is to prevent unknowing done errors which basically can destroy a system. If one changes the group ownership to Apache (www-data) with sudo command … [Read more...]
Virtual Host : Multiple Websites, Ubuntu 13.10 and Rackspace Cloud Server
The Title Virtual Host, Multiple Websites, Ubuntu 13.10 and Rackspace Cloud Server is not good but actually it explain the things we want to say. It is very common situation that, one has 2-3 serious busy websites; may be blogs or forums and other 17-18 domains which are rarely updated. The rest 17-18 do not deserve 17-18 1 GB server for each of them. To host multiple servers on Single Apache … [Read more...]
DNS Setup for Rackspace Cloud Sites to Cloud Server Migration
DNS Setup for Rackspace Cloud Sites to Cloud Server Migration is One of the Dangerous Point to Easily Get Lost. Here are Some Tips. We already discussed the server related technical parts in the Rackspace Cloud Sites to Cloud Server Migration Guide. DNS Setup for Rackspace Cloud Sites to Cloud Server Migration is very dangerous if you do not know what are the risks and take precaution … [Read more...]
Quick Tips to Improve Photography
Quick Tips to Improve Photography Provides Some Particular Strategies Which Can Help You To Improve Your Photos in These Busy Days. This is fact that, in order to keep a memory of a moment, we need to capture Photograph to a level best we can with our existing gadgets to take Photographs - be it iPhone, a Point and Shoot Camera or a DSLR camera. It is not only impossible but can become quite … [Read more...]
Homebrew Handy Guide
Homebrew Handy Guide Provides an Easy To Understand Manual For the OS X Homebrew Package Manager Users in Plain English. Minimum things the reader needs to know are - What is Package Manager, Homebrew Package Manager and OSX, Homebrew Installation on OS X with iTerm2. There are many guides available online on Homebrew, including books; however this guide is sufficient for an average developer. … [Read more...]
What is Wheel Group in UNIX and Unix-Like OS?
Wheel Group originated in the TENEX OS, distributed, widely used in 1960s. Wheel Group has wheel account, has additional system privileges. UNIX Operating System and Unix-Like Operating Systems including (not all) GNU Linux, there are some differences. It must be noted that; GNU su' does not support the wheel' group. This is official text : [crayon-69fea3bb37195652587245/] Basics on Wheel … [Read more...]
How To Install WordPress on Ubuntu 13.10 on Rackspace Cloud Server
This is a Step by Step Guide For the New Users With All the Commands To Install Wordpress on Ubuntu 13.10 on Rackspace Cloud Server. We have written the guide in a manner so that, any new user can follow and deploy or Transfer WordPress within 3-4 hours. For the expert users, it will take 30-45 minutes. But wait, we will tell you the recipe how you can also deploy another instance within 15 … [Read more...]
Practice Tips For Using Cloud Solutions in Business
When it Worths to use a Cloud Solution By a Company? Here Are Some Practice Tips For Using Cloud Solutions in Business.The topic in recent years is consistently at higher priority list of the IT managers. In recent years, the quick and cost-effective provision of new services making many small to large business to rethink about the existing IT infrastructure. Even with services like Dropbox for … [Read more...]