The easiest way to change the hostname on CentOS 8 is to use the hostnamectl command. First I will check the current hostname by running "hostnamectl status" on the shell of my server: hostnamectl status The output on my system is: [[email protected] ~]# hostnamectl status Static hostname: server1.example.com Icon name: computer-vm Chassis: vm Machine ID: ... Read more
Cortana is a new feature that comes packaged with Windows 10. The Cortana feature is very similar to Siri that is found on the Apple iPhone and much like Siri, it acts as a personal assistant to you. Cortana can be accessed via the start menu search function. You can either type questions and instructions ... Read more
This tutorial explains the process to take a screenshot from your iPad or iPhone screen. There is no app required to take the screenshots. 1) Navigate to the screen that that shall be saved as screenhot. In my example I will take a screenshot of the home screen. 2) Press the "Power" button (in the ... Read more
When you move to a new Windows 10 PC with shiny hardware, you may need to transfer your personal files from an old PC. Here are four commonly used ways to transfer the data from one PC to another PC. Use an External Hard Drive Transferring your data from an old PC to a new ... Read more
DVD drives provide you with the ability to play and use DVDs. However, sometimes people don't know how to access these DVD drives and thus they are not able to use them or in other words, they don't know how to eject the DVD tray. In this article, we will explain the methods that you ... Read more
The Basic Input Output System (BIOS) is a program that is used to boot your computer system as soon as you turn it on. The BIOS controls all your input and output operations during the boot process as well as when your PC is running. Normally, users don't interact with the BIOS directly because the ... Read more
Windows 10 keeps a log of all updates that you perform either automatically or manually. It doesn't care if these updates were installed successfully or failed, it just keeps a log of these updates. This way, even the failed updates take up some space on your hard drive. In this article, we will explain the ... Read more
This short tutorial describes the steps to optimize the performance of a MySQL database with the mysqltuner script. This tool can be used for MySQL and MariaDB. Install mysqltuner The mysqltuner High-Performance MySQL Tuning Script is available as a package on Debian 10 and Ubuntu 20.04, install it with at: sudo apt install mysqltuner For ... Read more
Sometimes you might want to block connects to your server by IP address. E.g. when someone tries to attack your system. This can be done in several different ways, e.g. with iptables (firewall) rules or by setting up a reject route. Reject access with Linux route command Using iptables sometimes causes conflicts with installed firewalls ... Read more
We know why you are here! Your good old "workplace" icon is nowhere to be found and you are in panic mode. You need that icon back in its place right now. Don't worry, because you can get it back on your desktop in no time. While Windows 10 has introduced many useful features for ... Read more