“Do you have an old PC lying around gathering dust? Would you like to make use of the old small-capacity USB flash drive sitting in your draw? You can reuse your old computer and a USB flash drive by installing a super small Linux operating system (also known as a “distribution” or “distro”)”
“When you spend any real length of time working on a computer, you learn that your preferences matter. Having your computer set up exactly as you like can make the difference between getting work done smoothly and dragging through something that’d otherwise be simple.”
“Don’t have hours to spare crafting something beautiful in Photoshop? We (They) select tools that won’t cost you a penny…”
Do you use a VPN to connect to Internet and increase your privacy? If you are one of the many you would be sure that the VPN you are paying is really working properly.
You can always use, via browser, one of those dedicated websites that check your Ip and, in some cases, test the real effectiveness of VPN and/or use Terminal.
But, for my experience, if you prefer to test your public IP without using the Terminal, the best tutorial for this specific task has been published by http://www.tecadmin.net.
Recommended!… if you are looking for an extra test that you can manage directly from Terminal.