Purpose of this blog

There is so much knowledge around us and it is growing at such a rapid pace that human beings are no longer capable of keeping everything in their brain let alone remember the important things when required. My interests in a variety of fields ranging from technology, finance, law, world affairs to my childhood interest in Sanskrit and my hobbies has always stimulated my desire to study and get to know about various topics related to these fields. I strive to understand diverse aspects and different viewpoints and also try to develop my opinion based on the knowledge that I have gained and from experiences of people around me. Generally, your understanding of the topic improves by writing about and explaining it to a layman in simplest of words. I would be working to improve my knowledge of various topics and hope to give you simplistic content to read and enjoy.

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The Changing Nature of Reality Shows in India

It's been almost two decades since the modern day reality shows started in India. And the nature of these reality shows has changed drastically during this time. "Kaun Banega Crorepati (KBC)" is no longer a show just about knowledge, "Indian Idol" and "Sa Re Ga Ma Pa" are no longer just singing shows. They all have become entertainment shows. This post is an attempt to find out the reasons of this transition, analyze the current nature of these shows and assess their impact. Reasons of this change Competition from TV Serials / Soap Opera TV serials or Soap Opera as it is commonly known is very popular among the Indian masses. India being a country where family ties are very strong, for a long time, the main theme in most popular TV shows has been "family drama". Additionally, there is no dearth of TV channels, actors, producers and the crew. TV show and film production is a major employment generator in India. And so the episodes of serials a...

Local domain name resolution using /etc/hosts

The /etc/hosts file is a powerful mechanism for managing the information about hosts in the local network in the absence of a local DNS server. Setup We have 4 VMs in the local /24 network. The following are the details: vm-1-ubuntu-16-04 - 10.0.1.11 vm-2-ubuntu-16-04 - 10.0.1.12 vm-1-ubuntu-18-04 - 10.0.1.21 vm-2-ubuntu-18-04 - 10.0.1.22 The VMs are reachable via their IP address but not by their hostnames. This is problematic because we have to remember their IP addresses everytime we want to access these hosts. It is would be much simpler to remember and access the servers by their hostnames. For that we need some sort of mapping between the IP addresses and their corresponding host names. There are 3 common ways of achieving this mapping. Setup a DNS server which handles resolution for your local network. Use an existing DNS server of the local Internet Service Provider (ISP) or any other higher level ISP. Note that a public static IP address is required for this s...

Manage system hostname with hostnamectl

This article explains the simplest method to set hostname and Fully Qualified Domain Name (FQDN/fqdn) of any given system using hostnamectl Check that hostnamectl is present on the system by typing it in a shell. You will see output similar to the one given below. In case hostnamectl is not found, it is a good idea to install it. sudo apt update sudo apt install systemd-services Verify the static hostname given above using the following command: Also verify it by checking /etc/hostname file Change the hostname and set the desired hostname by running the following command and authenticating with the password. hostnamectl set-hostname <hostname> Start a new shell session or reconnect to the server to see the change in the hostname Again run above steps to verify that hostname has been changed correctly. Configure FQDN While the above process may suffice to identify the host in the local network, it is not enough when the host is to be identifi...

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