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How to Configure Ubuntu’s Built-In Firewall

Ubuntu includes its own firewall, known as ufw – short for “uncomplicated firewall.” Ufw is an easier-to-use frontend for the standard Linux iptables commands. You can even control ufw from a graphical interface....

How to Browse Anonymously With Tor

Everything you do online can be traced back to your IP address. Even if you’re accessing encrypted websites, networks can see the websites you’re accessing – and the websites themselves know your IP address. Use the Tor...

View and Delete Stored Passwords in Firefox

Firefox allows you to securely store usernames and passwords for websites in its Password Manager. When you visit one of the websites again, Firefox automatically fills in the username and password to log you in....

How to Remotely Shut Down or Restart Windows PCs

Windows includes Shutdown.exe, a simple utility for remotely shutting down or restarting Windows computers on your local network. To use Shutdown.exe, you must first configure the PCs you want to shut down or restart remotely...

How To Knock Into Your Network (DD-WRT)

Have you ever wanted to have that special “dorm knock” with your router, as to have it only “open the door” when the secret knock has been recognized? How-To Geek explains how to install the Knock daemon on DD-WRT....
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