Tutorials

Linux shutdown command

Linux shutdown: commands for shutting down and restarting Linux

Using Linux shutdown commands, Linux operating systems can easily be stopped, shut down, and restarted. In addition to being able to set up a Linux shutdown with a time delay, the shutdown command can also be used to turn off the system’s main power supply, set up a wall message or cancel a previously initiated shutdown.

Delete a Linux directory

Remove a directory in Linux: a simple guide

Sometimes you may need to delete an entire folder rather than just individual files. If you want to remove a Linux directory, there are several ways to do it. Here are a few basic solutions that use either File Manager or Terminal. We also explain what you can do if you don’t have the necessary rights.

Set up a Raspberry Pi web server with LAMP

Using Raspberry Pi as a web server

Have you always wanted to operate your own web server? Raspberry Pi makes this goal more realistic, without commanding a high price and expert-level knowledge for set-up: hosting a website’s test environment or a private cloud is just as manageable for the small computer as controlling light sources, heaters, or other home devices (home automation). In our tutorial, you’ll find out all you need to...

Setting up virtual network computing on Raspberry Pi

VNC: how to set up your Raspberry Pi for virtual network computing

Seeing as the connection between monitor, mouse, and keyboard to the Raspberry Pi is rarely practical, the minicomputer is often operated in headless mode (via SSH) via the command line. Thanks to virtual network computing (VNC), however, there is an alternative solution that also allows remote access to the user interface. To use this technology based on the RFB protocol, you only need to set up...

Create WordPress backup

How to back up your WordPress site

WordPress backups allow you to safeguard websites created with the WordPress content management system in the event of unintended data loss. You have the ability to regularly back up WordPress sites with the help of your provider or cloud service provider. On the other hand, a manual backup requires a little extra work but gives you full control.

Hard drive not showing up

Why are hard drives not showing up sometimes?

Faulty set-ups in the Windows operating system or in a disk drive can sometimes hinder hard drives or external hard drives from showing up. Another culprit could be a mechanical cause. In order to make a disk drive appear on your computer, the Windows operation system provides some useful utilities.

Hard drive not detected

Hard drive not detected – here’s what you can do

Sometimes errors in the Windows operation system can lead to a hard drive not being recognised. This causes problems for users attempting to use internal or external disk drives. Our step-by-step guide will explain various reasons for this and present corresponding solutions, including the use of the system utility “Disk Management”.

Using Google Docs offline

Google Docs: working on your documents offline

So, you want to work on your documents on the go, but you will not have access to an internet connection. If you want to use Google Docs offline, all you need is the Google Chrome extension and adequate space on your hard drive to store your documents locally. We will go over how to work on your projects in Google Docs offline.

ERR_CERT_COMMON_NAME_INVALID

ERR_CERT_COMMON_NAME_INVALID: understand and fix the error

ERR_CERT_COMMON_NAME_INVALID is an error message shown by Chrome when there are problems with a website’s security certificate. This error message prevents you from accidentally visiting an unsafe website and it keeps visitors safe from third parties trying to steal their data. Here is how to fix the error with different methods.


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