If you have knowledge of HTML and PHP, you can create a child theme to safely customize a WordPress theme without losing your changes when the original theme (the parent theme) is updated. In this guide, you will learn how to create and use a child theme on your WordPress.com site. This feature is available …
January 23, 2026Hosting multiple websites efficiently on a single server is a common requirement, and NGINX, a powerful and high-performance web server, offers a solution through its virtual host feature. Also known as server blocks, virtual hosts allow you to host multiple domains on a single server instance. In this guide, we will walk you through the …
January 23, 2026Using grep, you can quickly find text matching a regular expression in a single file, a group of files, or text coming from stdin. The most common way to find text in a Linux system is using the command-line utility grep. This utility was originally developed for the Unix operating system in the early 1970s. Grep …
October 6, 20231 What are cron, cron job, and crontab?2 Understand a cron job syntax3 How to handle an error on your cron job • Send output to a specific file • Use /dev/null4 Write a simple cron automation script5 Conclusion6 References What are cron, cron job, and crontab? Cron is a system that helps Linux users …
August 31, 2021Colin Newcomer on WordPress June 11, 2020 20 Backing up your WordPress site is something that you’ll absolutely want to learn, to prevent yourself from heartbreak down the road. In this article, we’re going to make the topic of WordPress backups as painless as possible by covering everything you need to know. Learning how to back …
August 31, 2021Here is a quick fix that might help users experiencing the “no devices available” problem when using xsane, the Linux scanning tool. In this case, the device was an HP 3070 B611, a combined printer and scanner. The OS (Fedora 20) was able to see the device as a printer and print okay, but the scanner …
August 31, 2021Posted on November 4, 2014 This article explains how to send email from the Raspberry Pi. It is a generic procedure and also works on other Debian distributions. This is not for receiving mail, only for sending it. (Receiving email on the Pi is a much more involved process, requiring your Pi to perform the role …
August 31, 2021Posted on February 10, 2015 Here is a tip for speeding up WordPress, especially if you are running it on a low power server. I made the change to WordPress running on a small ARM server, resulting in an immediate and dramatic speed up. It works because it prevents bots on the Internet from wasting your …
August 31, 2021