Some internet access providers have port 25 disabled in their routers to prevent spam. If you run your own email…

When you get the error message "system-config-firewall: command not found" on your CentOS Server while trying to configure the firewall…

After a recent update of the Google Chrome browser, all websites had color issues and were displayed in the wrong…

The current status of a Linux software raid is written to the virtual file /proc/mdstat. You can view the status…

Postfix provides several shell programs to manage the mail queue. These are: postsuper postqueue mailq In this tutorial, I will…

Cortana is a new feature that comes packaged with Windows 10. The Cortana feature is very similar to Siri that…

When you move to a new Windows 10 or Windows 11 PC with shiny hardware (pc to pc file transfer),…

DVD drives provide you with the ability to play and use DVDs. However, sometimes people don't know how to access…

The Basic Input Output System (BIOS) is a program that is used to boot your computer system as soon as…

Windows 10 keeps a log of all updates that you perform either automatically or manually. It doesn't care if these…