Author: Rahul

You probably know that Chrome is the default browser in Ubuntu. But did you know that you can change this? There are several other browsers that come pre-installed with Ubuntu, such as Firefox and Midori. If you’re not a fan of Chrome or if you prefer to use another browser for your browsing needs, changing the default browser from Chrome to Firefox, for example, is pretty straightforward. This tutorial will show you how to change the default web browser on Ubuntu and other versions of Linux Mint. Change Default Web Browser in Ubuntu When you click on a link the…

Sometimes we need to map a sub URL to a different directory path in the file system. The Nginx users can achieve this by using the “location” block in the configuration file. The location specifies a regular expression for the URL the browser requests. Under the location code block, we can specify the file system path with the ‘root’ or ‘alias’ option. You may use the alias directive within a location block, like this:

In the above configuration, the main site is configured with the /var/www/example.com directory. But the URL begins with “/static” will be served with “/var/content/static” directory.…

Crontab is a utility for running scheduled tasks at regular intervals on Unix-Linux systems. It allows us to schedule multiple cron jobs to run at once. We can schedule any shell command or script to can be executed on the terminal. Every scheduled job in crontab is separated by a new line. We can also define multiple commands or scripts in a single cron job to run one by one. How to Sepreate Two Commands in Linux You can separate two or more commands by using semicolons (;), logical AND (&&), or logical OR (||) operators. Which of these operators…

The “Connection Refused” error means that the computer is not accepting connection requests to the requested IP address and port. Connection requests may be blocked by a firewall, which is why “Connection refused” is displayed. When a computer receives a connection request from an IP address and port that it wants to connect to, but the firewall blocks the connection, the “Connection Refused” error message appears. “Connection refused” can be due to a firewall blocking connection requests. In some cases, none of the services are listening on the requested port also causes the “Connection Refused” error. The Problem: Today, I…

Cron jobs (or cron jobs) are schedules that tell the computer to run a program or execute a command automatically at a specified time. This is called a cron job, a daemon that runs in the background and performs tasks on a schedule. Cron is a process that runs in the background and periodically executes programs or tasks. By design, cron is extremely flexible, allowing users to run tasks as often as once a minute or as infrequently as once every 99 weeks. Cron jobs are a common way to automate daily tasks, like sending out marketing emails, running reports,…

Capturing screenshots on a Mac is a valuable skill, especially when you need to document moments from videos, save game visuals for online forums, or provide visual evidence while offering tech support. Mac computers offer several efficient methods for taking high-quality screenshots, equipped with user-friendly built-in screenshot tools. Screenshots are not only essential for tech support and software testing but also for creating visual guides and digital content. This step-by-step guide will teach you how to effortlessly take screenshots on your Mac, enabling you to capture images quickly and efficiently whenever needed. Option 1: Full Screen Screenshot on Mac Utilize…

Google Chrome is one of the most widely used web browsers in the world. Unfortunately, that also means that a lot of users will see broken links on your website if you don’t take precautions to prevent it. Re directing or ‘Redirecting’ an old URL to a new one is one such precaution you can take. There are two redirect types: Permanent Redirect: A 301 Redirect is a permanent redirection. When a user types in a URL and gets redirected to another page, the new page comes up with a fresh title and description in the search engine results. The…

JAVA_HOME is an environment variable used by various Java-based applications to locate JVM (JDK) on any system. Similarly, Maven also required the JAVA_HOME to be set correctly on your system. The Problem: When I tried to check the Maven version on our macOS PC, I got the following error in the output. mvn –version The JAVA_HOME environment variable is not defined correctly, this environment variable is needed to run this program. The Solution: As the error message clearly shows that the JAVA_HOME environment variable is not set on my PC. So the simple solution is to set it correctly. Use…

Recent versions of Debian and Ubuntu have moved away from the apt-key command for importing GPG signing keys, a shift initiated with Debian 11 and Ubuntu 22.04. This command was previously used for adding GPG keys to the system but now generates a warning: “Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead (see apt-key(8)).” While apt-key can still be used, future releases plan to eliminate its support entirely. This guide focuses on a secure alternative for importing GPG repository signing keys into systems like Ubuntu, Debian, Linux Mint, and Pop!_OS using the signed-by method. Importing GPG Keys Without…

Google Chrome is one of the most widely used web browsers today, with over 1 billion users across the world. While it is available for Windows and macOS – as well as Linux – natively, it can also be installed on OS X using third-party utilities. Installing Google Chrome directly from the official website will only get you so far. Instead, to get the most out of it on a Mac, you need to install it directly from its standalone installer file. Installing Google Chrome on your Mac is not very difficult either. There are several ways in which you…