Even when every network device is disconnected, your computer can still communicate over a kind of network. Known as a “loopback,” a Unix machine can send and receive network communications from itself and to itself over a virtual network device. Your computer can send messages from itself to itself, permitting network-style communications without the need for a functioning network. What is 127.0.0.1? 127.0.0.1 is the most commonly-used loopback IP address. It’s part of the reserved block of more than sixteen million IP addresses that are used specifically for loopback functionality. A loopback allows your computer to communicate with itself while using networking connection protocols. … Read more
How to Boot to Safe Mode in macOS
Safe mode is a diagnostic mode in computer operating systems like Mac and Windows, designed for troubleshooting purposes. By booting in Safe mode, you can start up your Mac to perform certain checks while preventing automatic loading or opening of some software. It also helps isolate software issues and/or hardware failures. It is a recommended way of diagnosing issues if you encounter some that cannot be fixed using other methods. When you start your Mac in safe mode, it does several things including: Verifies your startup disk and attempts necessary repair directory issues Loads kernel extensions required Prevents automatic opening of startup and login… Read more
How to Use Rufus to Create a Bootable Flash Drive
It is very common to use a bootable USB drive instead of a CD/DVD drive to install the operating system. For Windows there are a ton of software programs that help you create bootable USB drives. Even Microsoft has its own tool. Of all the available tools, Rufus, a free and open-source application, is one of the best. In fact, Rufus is one of those tools that every Windows user should have in their software catalog. Let me show how you can use Rufus to quickly create a bootable flash drive in Windows. Note: This tutorial assumes you already have the ISO file. If you… Read more
Save with Humble Book Bundle: Web Programming by O’Reilly
No matter what you do on the Internet, someone invested some time in programming. It’s a job description that appears like it will be here to stay. If you’d like to learn more, check out the Humble Book Bundle – Web Programming by O’Reilly. You can pay as little as you want for books about CSS, JS, designing Web APIs, and many more. You’ll also pay as little as $1 to only get the books you really need to begin learning more about web programming. When you purchase the instructional web programming books you want, the price you pay will include some of the money… Read more
What Can Social Media Do to Prevent the Spread of Violence
Much of the world was stunned last week with the news of two mosque shootings in New Zealand that took the lives of 50 people. What made it even more disturbing was that the shooter filmed a Facebook Live video throughout his violence and also published his manifesto on Twitter and an anonymous message board. The violence of the situation is something that is definitely unspeakable, but what we are focusing on in this opinion piece is the responsibility of social media with regards to it being the mode to publish the violence. There were many people that watched the video and shared it and… Read more