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Modem vs router: What’s the difference?

Getty Images/Javier Zayas Photography Unless you want to be off the grid, in modern homes and work, you need an internet connection. To make the connection work, you need two different devices: A modem and a router. Also: How to convert your home’s old TV cable into powerful Ethernet lines ...

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Did Twitter just break itself?

Photo by Jakub Porzycki/NurPhoto via Getty Images Twitter hasn’t gone to pieces, but since Elon Musk bought the social network and laid off numerous employees, the site’s been failing far more often. Today, March 6, 2023, at approximately noon Eastern time, Twitter began suffering from problems. Also: Why is Twitter turning ...

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How to connect to a VirtualBox virtual machine from your LAN

Carlina Teteris/Getty Images I use VirtualBox every day to test out new applications, new operating systems, how to configure, and even how to break things.  I also use virtual machine technology to deploy servers that I use for various things, and if I don’t configure them correctly, those servers won’t ...

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Patch now: Serious Linux kernel security hole uncovered

isak55 — Shutterstock Just what every Linux system administrator wants just before the holidays: A serious Linux kernel security bug. The Zero Day Initiative (ZDI), a zero-day security research firm, announced a new Linux kernel security bug. This hole allows authenticated remote users to disclose sensitive information and run code ...

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