As a technical writer, I deal with a lot of files in my job - sometimes I'm cropping images, other times I'm playing with .zip and .deb files. Not to mention PDFs and other document types we all deal with in our daily computer work. At present my Downloads directory contains over a thousand items, ... Read more
Docker is a tool designed to create, deploy and run applications using containers. With a container, developers can package applications with all parts they need such as libraries, dependencies and ship it all out as on. Docker provides a REST API to talk with its daemon which is executed by the command-line interface. This article ... Read more
Sometimes you might want to download an entire website e.g. to archive it or read it offline. This tutorial will show you which application can be used on Windows and Linux. I will use the tool wget here, which's a command-line program that is available for Windows, Linux, and MAC. Install wget on Windows First, download and ... Read more
Running a nightly backup script on a server system, such as a web hosting server, can result in a heavy load and longer latency for other processes, for example, HTML or .php pages load slowly during the backup because the backup script requires too many I/O or CPU resources. On Linux systems, two shell utilities ... Read more
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
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
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