This short guide will show you how to revoke and safely remove an SSL certificate that was obtained using the acme.sh let's Encrypt client. To remove a Let's Encrypt SSL certificate using the acme.sh command on Linux, follow these steps: Connect to your server via SSH or open a command prompt (console). Run the command: ... Read more
A database is a place where you store information. Cassandra is a type of database that is different from most databases because it does not use tables. Cassandra was developed by Facebook in 2008 as part of Facebookâs Open Compute Project. Cassandra is a NoSQL database that combines the speed of a key-value store with ... Read more
Puttygen is a tool to generate public and private SSH Keys in server applications. The SSH keys are created in the pkk format by putty but they can also be converted into other formats as used by OpenSSL. PuttyGen is available for Windows, Linux & Macintosh computers (MacOS). Putty comes with a GUI for Windows, ... Read more
You might have noticed that Ubuntu has since version Ubuntu 22.04 started to show the following message when you install or update software: Which services should be restarted? While there might be cases where you have a setup that requires a specific service not to be restarted automatically after an update, in most cases, it's ... Read more
Google's Chrome browser has been on the scene since 2008 and has slowly but surely been making inroads in the browser market. As of 2022 Chrome browser has about 77% global market share when it comes to web browsers, followed by Safari at 8.8%, Firefox at 7.7%, and Internet Explorer/Edge at 7.9%. Microsoft's once-dominant IE ... Read more
In this guide, I will show you how to find your IP address (private IP address and public IP address) on Ubuntu Linux. I will also cover the steps for an IP location lookup to get IP location of my ipaddress, this will also show my isp. The same steps will work on other Linux ... Read more
We have covered in one of our articles already how to share a folder and access it from another Windows system. In this guide, I will show you how to share a folder in Windows for access from a Linux machine. I will use Ubuntu Linux here, but the steps shown will work on other ... Read more
Vim is no doubt a very powerful command line text editor, but it's not easy to master. The tool offers a sea of features, which is why remembering each and every functionality isn't an easy task. However, it's always good to know the features that are helpful in your day-to-day task. One such feature - ... Read more
System image backups are used to restore an entire system. However, there is a workaround that you can use to extract individual files from a system image backup which is the subject of this article. Restore single file from Windows System Image Backup Step 1. Open the disk management application. Step 2. In the disk ... Read more
In this Windows 10 guide, I will show you how to check if a Windows 10 64-bit version is compatible with your PC and how to upgrade from Windows 10 32-bit like a 32 bit laptop to Windows 10 64-bit version. This guide is for Windows operating systems only, it doe snot matter if Windows ... Read more