Install nmap if you don't already have it on your Linux computer. Run "sudo apt-get install nmap" on Ubuntu, or "sudo dnf install nmap" on Fedora. To investigate devices, try looking up OUIs, scanning ...

The best way to see which devices are connected to your Wi-Fi (and find out their IP and MAC addresses) is to use the ...

Is your internet moving a little slower than usual? Are you seeing devices you don't recognize in File Explorer or while casting media to the TV? If you suspect a neighbor is stealing your Wi-Fi, this ...