People having access to Wifi can easily make free and cheap calling, but what, if they do not have an internet connection. Given below is a list of a few companies which have developed clever programs which helps the users to make free calls or calls at highly reduced rates.Leveraging FreeKall ServiceFreeKall is a startup company, based in Bangalore. It is a savior for many, as it helps them to make calls even when their balance is running out on their mobile phone. The Master brain behind this startup is Yashas Sekhar, the company has received an incredible response from ... Read More

In this article, we will learn how to install and configure the Mytop to monitor the MySQL performance. Mytop is an open-source monitoring tool for MySQL performance, this tool uses command line to monitor MySQL, it looks like the Linux System monitoring tool top which will connect to MySQL and runs the show process list and show global status commands and summarize the information in a meaning-full format where the humans can understand it. We can use mtop for monitor the MySQL real-time threads, uptime and queries and will also show the users running the queries and the database they ... Read More

We often see spiritual and motivational leaders on television who gives non-stop speeches on motivation. Whether by following those speeches you will feel motivated or not is a different topic to discuss, at least not following them may not affect your work. But if your team is not motivated in the workplace then it seriously affects your project work.Now, the world is becoming more and more competitive where there is scope for only motivated and dedicated resources to run a successful business or venture. A dull and sluggish work environment can kill the spirit and ruin your project. So, it ... Read More

In simple terms, trademark means registration of your brand name. Here, we are trying to understand, how to protect our brand’s reputation by way of registering our brand as a trade-mark.In layman’s language, it is a visual symbol which may be a Name, Phrase, Logo, Graphic, Smell, Sound Mark, Label, Device, Word signature, combination of colors or numerical.Trademark literally means, “This brand name is ours” and if any one dare to use it to sell their products, we can sue them. Trademark identifies and distinguishes the source of the goods or services of one business entity from those of others.If ... Read More

OpenSSH is a widely used tool to access the remote servers, copy or transfer files, and perform all sorts of system administration tasks. One caution while using OpenSSH is that you can’t run the same command on multiple remote servers in one go. However, Don’t be disappointed! Meet PSSH, Parallel SSH,  a simple, and useful alternative to OpenSSH that allows you to run commands on multiple servers from a single terminal. Sounds good? Read on to find more –PSSH consists of the following commands, such as:pssh : SSH to multiple servers at oncepscp : Transfer and copy files to multiple ... Read More

In this article we will learn about how to configure SFTP without enabling the shell access on CentOS 7, SSH File Transfer Protocol (SFTP) which is a secure way to transferring files from servers to a server using the SSH encrypted connections, which is a different protocol from File Transfer Protocol (FTP) that is supported by all the FTP clients.SFTP can be configured by using default configurations on all the servers which had the SSH access enabled on the machine. SFTP is a secure and easiest way to use, which has a disadvantage in the standard configuration, which allows terminal ... Read More

Google Chrome is one of the biggest and widely used web browser platforms. If you use the Internet, it’s almost certain that you use Google Chrome as your primary web browser. As the most popular web browser in the world, Google Chrome has some powerhouse features. Some of these include native integration with Google services, a range of productivity-enhancing extensions and some which are beyond your expectation.One such property of Chrome browser is the ability to automatically generate random secure passwords for users. Google Chrome browser includes a built-in password generator which can generate complex passwords for you when you ... Read More

In this article, we will learn how to install and configure to secure the SSH connection using Fail2ban on CentOS 7, as we all get connected to the servers using the SSH which is secured and SSH will get exposed to the internet to work properly, there may be a risk of being targeted in this way, if we see the logs for these services. We often see the repeated logins using the brute-force attacks.Installing the Fail2banAs the Fail2ban is not available in the official CentOS repository, we need to update and install the package using EPEL project, then we ... Read More

We have come a long way since we, humans as a race have first used our intellect for maneuvering science and technology in our favor. It all started with the invention of wooden carts during the era of our primitive ancestors. Since the early ages, humans from all around the blue planet have been obsessed with improvising, enhancing, and enriching their modes of communication, transportation, mobility, efficiency and comfort.Our genius ancestors started taming various domestic animals like bulls, horses, donkeys and whichever organism they found potential enough to operate their modes of transportation. And then we started wielding technology as ... Read More

Olympics season has already ended and we can’t wait to catch all the fun in HD! Not all of us were lucky to go to Rio de Janeiro to cheer our country, but we watched our stars on television. Now to add to the fun and excitement, many of our broadcasting networks are planning to telecast the action once again- and in 4K high-definition picture quality!Yes, that’s right! Now you can catch a glimpse of Summer Olympics in all its glory in full HD quality with a bucket of popcorn in hand. For the first time in history, all the ... Read More