How to Install Certbot on CentOS Stream 8 [Let’s Encrypt]
In 2017, we wrote an article on migrating to Let’s Encrypt from StarSSL and also you’ll see a number of...
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Upgrade CentOS 8 to CentOS Stream
As you all know, CentOS 8 has reached its EOL on 31st Dec 2021, it’s time to upgrade your CentOS...How to Install xclip on CentOS 8
I recently started using CentOS 8 on my server and I couldn’t see the package xclip installed on CentOS 8...Failed to download metadata for repo ‘AppStream’ [CentOS]
I had installed a minimalist CentOS 8 on one of my servers. Installation went successful, however, when I tried to...How to Blur Image in Microsoft PowerPoint?
Hope you had read my article on how to blur images in MS Paint and today I’ll explain how to...Detect Shift-Enter keypress in JavaScript
Here’s a question from one of our readers, Ms. Shikha. I read your article on KeyBoardEvent.keyCode is deprecated and the...KeyboardEvent.keyCode deprecated! Alternate is .key
I have been using KeyboardEvent.keyCode property to detect the keys pressed in JavaScript. For example, in one of my applications,...Create Collapsible Mobile Menu in Divi Theme
This morning, one of my clients send this message – “Hey, can the website menu be condensed a bit for...SimpleMathJax extension for MediaWiki and Mathoid issues
I had set up a Math extension in Mediawiki version 1.31.1 for one of my client’s websites. It was working...How to check sudoers syntax
I have written many articles on sudoers in the past such as best practices and solved many errors related to...How to find PC is compatible for Windows 11 upgrade?
On 5th October 2021, Microsoft rolled out Windows 11 as a free upgrade to most Windows 10 users. I was...HTTP 403 Forbidden: You are not authorized to complete publicize_image action [Openstack Glance]
I hope you have read my Openstack API articles to provide access to Openstack services through REST APIs. When my...Find number of Lines of Code from GitHub Repository
How many lines of code did you write? Well, that was the question asked by one of the interviewers in...Task Manager in Windows 11, six ways to launch it!
Right-click on the taskbar and click on “Task Manager” to launch the Task Manager in Windows. You are right, but...Get back the classic right-click context menu in Windows 11
Want to bring back the old style of classic right-click context menu in Windows 11? You are not the one...Ribbon bar in Windows 11 Explorer, get it back!
I had recently upgraded my system to Windows 11 and my experience till now is pretty cool. However, a few...How to create/list/delete flavors in OpenStack using API
In Openstack flavors define the size of a virtual server that can be launched. It includes compute, memory, and storage capacity...How to generate Openstack Token using cURL
To access Openstack services through REST APIs, the identity service provides tokens. Clients can obtain the token by supplying their...How to set HDMI Black Level in Samsung Monitor
Are you like me who likes to use multiple monitors for desktop PC? And does it drive you crazy when...