If you’re looking for a modern, powerful firewall for Linux that is easy to configure on the command line or with its GUI interface, then firewalld is probably what you’re looking for.
Wi-Fi is a wonderful thing when it works correctly. You can probably carry a device around and still get high-speed access to the internet. But when it misbehaves, fixing Wi-Fi configuration errors on Windows can be a pain. Here are some things you should try.
We’ve all experienced the occasional error from Google Chrome, including “This site can’t be reached,” but what do you do if the error sticks around after restarting your browser? Here are some things you can try to fix the problem.