Showing posts from June, 2018

How to create a self signed SSL certificate and how to use it with your web Server.

SSL certificate is the foremost important aspect of any website. If your website is running without the SSL, the modern browsers will stop the users from entering the website. Of course, there are ways to bypass that, at your own risk. As long as your website has no commercial data exchange, sensitive user information, etc, you are still good to run a website without a proper SSL certificate. For example, a blog can run without an SSL.  Note that Google AdSense accepts websites without SSL.  But the topic of this post is about Self Signed SSL certificate. How to create one, how to use it, and where to use it.  Let us see where to use it. For any website which is used for internal purposes, it's always a good idea to use Self Signed SSL, instead of paying for a real SSL certificate. Internal I mean, within a company, team, or for personal uses, for testing purposes, etc.  Now, let us see how to create a self-signed SSL certificate.  What you need A Linux machine.  OpenSSL utility  A

Why some mobile phones does not support screen mirroring?

On my Youtube channel, I have posted a video that shows how to mirror your mobile screen onto LED or LCD TV which is equipped with Wi-Fi and Miracast. To clarify what is Miracast, it is a hardware device built into your TV. If your TV is equipped with Miracast, then you don't have to use any additional dongles like Google ChromeCast to cast your mobile screen onto the TV. Please note that the Miracast feature and Google Chromecast may work differently. I got lots of comments asking questions like whether the TV is smart, whether the TV is used as a monitor with a CPU, is there any dongle connected to the TV, whether it requires internet, etc.  To clarify all these questions, it is a basic LED TV with Wi-FI and Miracst enabled. No internet, no dongle connected and it is not a smart TV. The most important question I am trying to clarify here is why some mobile phones do not have mirroring options. First, you need to understand that screen mirroring works on a Wi-Fi network.  Th

How to install Apps in Android TV

As Android TVs are becoming famous, it's obvious to know whether it will allow us to install apps on Android TV the way we do it on Android mobile and to know how to install the apps on TV. The same version of a particular app may not support all the TVs and you might not get all the apps available for Mobile. But certainly, there are plenty of apps for various purpose and it can be installed on Android TV. There are two ways to install an app on Android TV. Please note that this procedure is specific to MI Android TV. A similar procedure can be used for other Android TV. Install using .apk file The first option is to install it from a .apk file. The apk file has to be downloaded and copied into a USB using a computer. Insert the USB drive into TV, go to the location of the apk file inside the USB drive. Open the selected apk file, it will ask you to enable or trust the 'third party app' installation. If you have not done this before, got to settings and enable