One must have exposure to good & bad things to know, what one musn’t do. If you don’t know what is bad, you probably will end up doing the bad thing. This is particularly true in creative fields. As a student of music, I used to wonder about this; the [...]

In 2023, there a fraud came to light in UCO bank. How it was pulled off technically, through digital banking channels is described the linked article. It’s a very interesting read, I had no idea about how the various payment mechanisms – NEFT/RTGS/IMPS worked in our banking system. It also [...]

It seems there’s a new trend in India amongst Internet Service Providers to supply their own router. The primary reason ISPs do this is to reduce the amount of on-site support required, which is a very much valid reason. When an ISP has to deal with multiple user supplied equipment [...]

So I have a FTTH internet connection and my ISP uses PPPoE – a rather common configuration. But the ISP resets my connection every 12 hours, possibly for accounting purposes. Now whenever the connection reset was taking place my internet used to vanish for 30 seconds – a very bad [...]

Sometimes it is convenient to have user assigned names to network interfaces – particularly when the MAC address of the interface remains constant but the bus on which it is attached may change because it’s a virtual machine. All that is required to be done is create a file /etc/udev/rules.d/persistent-net.rules [...]