Question: I had followed your guide to install Certbot in CentOS Stream 8. However, the certbot –apache command fails with an error message ‘The requested apache plugin does not appear to be installed‘. – Sathish. # certbot –apache Saving debug log to /var/log/letsencrypt/letsencrypt.log The requested apache plugin does not appear…

I have been using WSO2 API Manager for almost a year to easily and securely expose APIs to both internal and external consumers. Everything was working fine until the system was taken down for maintenance activity. When the system was resumed back to normal service, WSO2 failed to start with…

Question: I have been using IDENTIFIED BY ‘password’ along with GRANT statement for years in many MySQL versions. However, the same failed in MySQL version 8.0.26 on my new CentOS Stream release 8. Below is the complete error message. What could be the issue? – Tushar. mysql> GRANT ALL PRIVILEGES…

Do you want to open ports HTTP and HTTPS in firewalld? In this tutorial, I will explain how to open ports 80 & 443 in firewalld in CentOS Stream release 8. HTTP and HTTPS protocols are generally used by web servers such as Apache or Nginx. But these ports 80…

I was trying to back up the database using the MySQL dump command, however, the command failed with an error message ‘Error: Access denied; you need (at least one of) the PROCESS privilege(s) for this operation’. Here’s the complete error message. $ mysqldump -u dbuser -p tg_db > tg_db.sql Enter…

Hope you had read my article on how to blur images in MS Paint and today I’ll explain how to blur an image in Microsoft Powerpoint. In Microsoft PowerPoint, you can blur an image completely, and to blur a particular part of an image, you will need to play with…

Here’s a question from one of our readers, Ms. Shikha. I read your article on KeyBoardEvent.keyCode is deprecated and the alternate property .key should be used. While using the .key property, how can I detect the Shift-Enter keypress in JavaScript? How to Detect Shift-Enter Keypress in JavaScript? In my previous…

I have been using KeyboardEvent.keyCode property to detect the keys pressed in JavaScript. For example, in one of my applications, I had been using the keyCode property to detect the Enter keypress and execute a corresponding code. Though the code was working fine on all browsers, I recently came to…

This morning, one of my clients send this message – “Hey, can the website menu be condensed a bit for mobile devices? All the drop-down menu items are getting displayed at the same time hiding the entire webpage behind the menu”. Looking at the screenshot, I understood that the length…

I had set up a Math extension in Mediawiki version 1.31.1 for one of my client’s websites. It was working fine for a year and all of a sudden it broke with an error: Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools):…

How many lines of code did you write? Well, that was the question asked by one of the interviewers in my interview. At that time, I didn’t really know what to answer and I just blindly said it would be around ‘2 Lac lines of code’. Since the question was…

Right-click on the taskbar and click on “Task Manager” to launch the Task Manager in Windows. You are right, but that’s past and not anymore in Windows 11. Windows 11 has moved the Task Manager option from the taskbar right-click menu. But there are six other ways to launch Task…

Want to bring back the old style of classic right-click context menu in Windows 11? You are not the one who’s missing it and it’s one of the most useful menus that’s now replaced with a shortened and organized one in Windows 11. Well, Microsoft has some reason for it,…

I had recently upgraded my system to Windows 11 and my experience till now is pretty cool. However, a few interesting features that I was using in Windows 10 are removed in Windows 11. For example, a Ribbon bar in the Windows 10 Explorer is replaced with a command bar…

Are you like me who likes to use multiple monitors for desktop PC? And does it drive you crazy when some colors look different on those monitors? Well, it did happen to me when I installed a new Samsung monitor (Model: LF24T352FHWXXL). Yes, some colors were visible properly on my…

I had configured WSO2 successfully and NGINX reverse proxy is set up as well. However, clicking forgot password link from the publisher or developer portal login pages lands me with the error – Error while accessing the backend service and looking at the wso2carbon.log file reveals more information: “ERROR {org.wso2.carbon.identity.mgt.endpoint.util.client.ApiClient}…

I have been using WoodMart WooCommerce Theme for one of my client’s e-commerce websites. The theme had an option to create brand attributes and map products to respective brands. However, the brand attribute URLs were not SEO-friendly. For example, the default URL of one of the brands is –  https://example.com/shop/?filtering=1&filter_brand=royal-canin….

I was trying to update rubygems and ended up with an error “Error installing rubygems-update: rubygems-update requires Ruby version >= 2.3.0“. Below is the command used to update RubyGems. # gem update –system Updating rubygems-update ERROR: Error installing rubygems-update: rubygems-update requires Ruby version >= 2.3.0. Here’s my Ruby and Gem…

I recently purchased a 100GB Google One Storage plan. In order to share the storage with my family, I created a family group and added my wife’s Google account to it assuming that she would be sharing the Google One storage that I had subscribed to. However my wife came…