As per official JSON website, JSON is a light-weight data interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. It is based on a subset of the JavaScript Programming Language, Standard ECMA-262 3rd Edition — December 1999. In this small article, we will […]
How To Upgrade RHEL 6.5 to RHEL 6.X (To the latest release) RHEL 7.5(Beta) version has been released, if you are using older version 6.x release of RHEL operating system, this article will help to upgrade RHEL 6.5 to latest release RHEL 6.9. Prerequisites: Backup of OS iso image needs to be taken care of. […]
“Cook” it and “Pre Hook” it – Cook your application code and use the capabilities of pre-commit hook “linters” to do a baseline check before you commit your code and push it to the repository. So, I assume my readers would have the following three questions What is a hook? What is Pre-commit? What is the problem statement that […]
CPU Utilization and how to monitor high CPU usage in Linux What is CPU Utilization? CPU utilization refers to a computer’s usage of processing resources or the amount of work handled by a CPU. Actual CPU utilization varies depending on the amount and type of managed computing tasks. Certain tasks require heavy CPU time, while […]
MACTracker Introduction: Hello all, this is my new blog post on a simple application that I developed a while ago. I am writing the blog post about the application MACTracker, what it does and its utility in the real world. The idea behind the application was mainly of my colleague and friend. His idea helped […]
Introduction Awk Command in Unix: Awk Command in Unix is a programming language which allows easy manipulation of structured data and the generation of formatted reports. Awk stands for the names of its authors “Aho, Weinberger, and Kernighan” Some of the key features of Awk are: Awk views a text file as records and fields. Like common […]
What is Nightwatch.js? Nightwatch.js is an automated testing framework for web applications written in Node.js and using the W3C WebDriver API (formerly Selenium WebDriver). It is a complete browser (End-to-End) testing solution which aims to simplify the process of setting up a Continuous Integration and writing automated tests. nightwatch.js can also be used to write Node.js unit tests. nightwatch.js gives the flexibility […]
Functions in shell script: The best way to learn shell scripting is to fall in love with the command line.Functions in shell script plays an important role for re-usability. What functions in shell script all about? A function is a group of commands that are assigned a name that acts like a handle to […]
Introduction: Galen is an open source layout testing tool for software applications which allows to test the look and feel of the application. The idea behind using Galen is to simplify layout testing where we won’t be needing manual efforts to test an application for UI based issues. Using Galen UI regression can also be automated. Now a days it has […]
Sed command in unix: Sed command which is used for text manipulation, which is a very important step in our bash scripting journey. Operating system provides some tools for text processing, one of those tools is sed. Sed command is used to work with text files like log files, configuration files and other […]