Install nmap if you don't already have it on your Linux computer. Run "sudo apt-get install nmap" on Ubuntu, or "sudo dnf ...

Many school Chromebooks have Google Play Store disabled or the ability to install Android apps blocked by the administrator.

"DNS server not responding" errors show up when your computer and internet connection aren't communicating correctly.

I lost my wallet with five cards and $200 in cash on day one of my trip abroad. Here’s how I saved my vacation using a mobile ...