In this short article, I explain how to disable IPv6 in the Debian 10 network stack. Why would one want to do this? Most likely if you have connection problems and cannot reach servers on the Internet from your Debian system using IPv6, while it works using IPv4. Disabling IPv6 should always be the last ... Read more
If you're a Linux newbie, you should know that there will be times - such as when installing packages - when you'll be looking for a way to see if your operating system is 32-bit or 64-bit. The information is not hard to find, but there is more than one way to access it. In ... Read more
MAC address stands for Media Access Control address and is a series of numbers used to uniquely identify a device within a network. The MAC address is used when communicating over the network at the data link layer. By default, when you purchase a device, it has a MAC address assigned to it by the ... Read more
The following command can be used to check and repair all MySQL databases on a Ubuntu or Debian Linux System. I've tested the commands on Ubuntu 20.04 and Debian 10. Repair MySQL databases on Ubuntu Linux sudo mysqlcheck --defaults-file=/etc/mysql/debian.cnf --auto-repair --optimize --all-databases MySQL database repair on Debian mysqlcheck --defaults-file=/etc/mysql/debian.cnf --auto-repair --optimize --all-databases The benefit of ... Read more
JPEG is a lossy compression file format for digital images. It can greatly reduce the amount of storage space used by a graphics file compared to the PNG format. This tutorial describes how to convert a PNG file to JPG on the shell. I use the GraphicsMagick command-line tool on my Ubuntu 20.04 system to ... Read more
I recently installed Ubuntu on my desktop computer. Everything was working fine, except that I was not able to capture screenshots using the 'Insert/Print Screen' key on my Dell keyboard. While googling the issue, I stumbled upon a workaround that solved my problem. The workaround was to create a custom keyboard shortcut. If you are ... Read more
If you are working as an admin on Windows Core Server and want to check the contents of a file, you can execute the following command: get-content C:\testfile.txt This command will display the contents of the file using PowerShell. To save the contents in a variable, you can execute: $FileContent = get-content C:\testfile.txt To read the ... Read more
The ps command in Linux, as you might already know, is one of the most frequently used command-line tools. For the uninitiated, the utility basically reports a snapshot of the current processes on the system. The ps command provides a plethora of options, and as you might agree, it's not possible to know about or ... Read more
Mostly, we have only a single display connected to computer systems. However, you can have multiple displays connected to a system. While working with more than one display, sometimes you might find yourself in a situation where-in you need to perform a display-specific task. For example, taking a screenshot. In these scenarios, you need to ... Read more
I have mentioned various ways to transfer the data between two computers in this post. Transferring the data using an Ethernet cable is one of the fastest and cheapest methods. All you need is an Ethernet crossover cable (or a network switch plus two normal network cables) and NICs (Network card interfaces) on your computers ... Read more