Peel and stick tile over existing vinyl

You can put peel and stick tile over existing vinyl, but there are certainly right and wrong ways to do it. If the underlying vinyl isn’t in good condition, you won’t be very happy with the results. And if you don’t do any prep work, you won’t be very happy with the results.

I’ve seen this go well, and I’ve seen it go poorly. Here are the secrets that allow it to go well.

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Phone call saying services are stopped on your computer? It’s a scam.

“Hello? My name is Max and I’m calling from CSA. We got a report saying that services are stopped on your computer.”

I hung up, for lack of energy to fight with “Max,” or even to try to convince him my name is Suchita. But if that phone call sounds familiar, feel free to hang up on Max, or whatever he says his name is. It’s a scam. If you want to know why, read on.

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What is Charter Spectrum?

What is Charter Spectrum? Charter Spectrum is a new name to many parts of the country. Spectrum is the brand name for cable, Internet and phone service from Charter Communications.

Although Charter started using the Spectrum name prior to its merger, the name Spectrum gained prominence as a result of the second, fourth, and sixth-largest cable operators in the United States merging in 2016. Post-merger Charter is now a Fortune 100 company.

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Wiring a Lionel KW transformer

When it comes to wiring a Lionel KW transformer, there’s more to consider than just which posts to use. The size of the wires also matters. If you derail a train 8 amps of power can run through the wire for 10-15 seconds before the circuit breaker kicks in. You don’t want the insulation to melt and catch fire.

Proper wiring for the KW transformer is a bit of a safety issue.

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Common security attacks and countermeasures

As a security professional, I talk to a lot of people about common security attacks and countermeasures. I’m not always certain the people I’m talking to know what these things mean. I am almost certain they aren’t willing to ask.

I know it’s more complicated than it was when I took my Security+ exam a decade ago. The stakes are much higher now. The attacks I had to identify caused inconvenience, but someone conducting a successful smurf attack on your printer won’t get you in the headlines. Today’s attacks will.

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David L. Farquhar, computer security professional, train hobbyist, and landlord