What is UPI123Pay? How to use it?


UPI123Pay is a payment service recently launched by the Reserve Bank of India which enables feature phone users to make and receive payments. This is an extension to the present Unified Payment Interface (UPI) system which is restricted to smartphone users only and requires the internet to make money transfers. The UPI123Pay works completely offline … Read more

Absolute value in Python

The absolute value of a number is the value without considering its sign. For a real number, the absolute value is also known as the modulus of that number. For example – x =-3 y=3 Here the absolute value of both x and y will be 3. Apart from real numbers, an absolute value is … Read more

The Linux Foundation

The Linux Foundation is a non-profit technology consortium whose primary role is to standardize, promote, and protect Linux. Nowadays it extended its work far beyond Linux and brings its expertise to some other important open-source projects to help them establish, build and sustain. In 2000 Linux Foundation began under Open Source Development Labs (OSDL) whose … Read more

What is Android 64-bit, advantages over 32-bit and how it will be helpful for the end user

What is Android 64-bit

Today Google Nexus 6 goes on sale via Google Play Store. The latest Google Nexus flagship phone comes with the latest Android L version, the Android Lollipop which is a 64-bit version of Android. Accordingly the chipset manufacturers like Qualcomm, Mediatek, Samsung, Intel are releasing 64-bit SoC. So, today I am going to demonstrate what … Read more

How to Copy a website content using wget command in Linux

Similar to wget-ftp-index.html Need to get a directory listing for a web site which is presented like an ftp site? Here’s my first working run for http: I did the following: # Do the following command to create an empty index.html file, this just starts us at index.html.1 rather than index.html mkdir /tmp/theserver cd /tmp/theserver … Read more

Cool Software Products

Cool Software Products: VNC – Virtual Network Computing vmware – Virtual Machine Cygwin – a UNIX environment for Windows Please note that Cygwin contains SSH, X11 X-Windows server, and many other utilities. Now there is no need to install other SSH packages such as the ones from ssh.com, ssh.org, putty, or others, nor is there … Read more

Explore Linux Site Map – Sorted by Date

Filename Date Size Title Description ifconfig.html 2005 Jul 07 – 10:06:46 3330 ext-rename.html 2005 Jun 22 – 11:17:09 5684 wget-http-index.html 2005 Jun 20 – 11:07:01 6083 redirect.html 2005 Jun 01 – 15:42:22 16538 Linux I/O Redirection Using I/O Redirection in Linux. How to get tee to copy both stderr and stdout separately. Using pipes. questions.html … Read more


Cygwin ssh (OpenSSH), and Win98 – Use “crypt newpassword” to add a password into /etc/passwd Cygwin is a UNIX environment, developed by Red Hat, for Windows. It consists of two parts: A DLL (cygwin1.dll) which acts as a UNIX emulation layer providing substantial UNIX API functionality. A collection of tools, ported from UNIX, which provide … Read more