TechFacts

What is a Cron Job? Cron is a Linux utility where you can setup a task in your machine to run automatically, if required in a repetitive manner at a specific time and date. Such a task that you schedule is called a Cron Job . Here we'll look into how we can setup a cron job in a Linux machine. Follow the steps bellow. Step 1 : Place the script you want to schedule as a Cron Job to one of the following directories in your machine depending on how often you need to repeat the execution of the script. /etc/cron.hourly /etc/cron.daily /etc/cron.weekly /etc/cron.monthly For example, if you want to schedule your task daily, place the script in the /etc/cron.daily directory. Step 2 : Then give correct permissions to the script as follows. Assume script.sh is the script that you need to schedule. cd /etc/cron.daily chmod 755 script.sh   Step 3 : Then you should add a new Cron Job to crontab . crontab -e   Step 4 : Then you will be prompted w...

Come let’s start our journey through the world of React , an efficient and flexible JavaScript Library. Today we talk about something called Single Page Applications (SPA) with respect to web based applications. This is where the web application does not use different pages to show different views of the application. The different views will be loaded into the same page so that you don’t need to reload the page every time you need a different view. This is a great improvement in terms of performance. React helps us to achieve that in an easy flexible way. Let’s learn React. They say that the view is just a function of props and state. We’ll see how easy it’s going to be. Let’s set up the React development environment and go through a beginner’s guide to React. Come let’s get started. Note that we require the Babel and Webpack Libraries to start working with react. I’m assuming here that you are in an Ubuntu/Linux environment. You’ll see it by the command...