Replace a failed drive in a software RAID on linux

Fix Broken RAIDSoftware RAID is great, especially for servers. While you can use RAID for increased speed, most people use RAID mirroring so that all data is written to two identical disks.

If one disk fails, your server stays up because the 2nd drive still works. But what happens when a drive fails?

The replacement process obviously requires your hosting company to the replace the drive.

But both before and after the physical drive replacement, you’ve got some work to do!

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What the heck is an ELECTRET?

What on earth is an Electret?!Everyone knows what a magnet is. But have you ever heard of an electret?

Yeah, me neither!

In fact, there’s an entire branch of science/engineering that gets very little attention these days – outside of very specific applications that like 3 people know about.

Join me for a look into the amazing world of electrostatics!

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Convert files to the format you need in just a few clicks

Convert files the easy way!You know the drill: You’ve got an image, audio, video, or document file.

Either you can’t open it, or you need to convert it to a different format to send to someone else.

You could use complicated software, but why not do it in just a few easy clicks?

With File Converter, you can convert video files, turn video into audio files, change Word docs into PDFs, and a whole lot more.

And it’s FREE!

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Why hypersonic missiles DO actually matter

Hypersonic Missiles: Game OverI recently had the misfortune to read an article on CNN entitled: What to know about hypersonic missiles fired by Russia at Ukraine

I say “misfortune” because clearly, the individual who wrote it was trying very hard to downplay the significance of hypersonic weapons in the hands of the USA’s declared adversary – aka Russia.

The above-mentioned article is actually an extended version of a shorter one at CNN published just a day earlier. That earlier article (now missing) was even worse – for both its purely propagandistic nature, as well as the author’s breathtaking display of simple ignorance regarding the subject matter of his article.

But, whatever. So let’s take a look at hypersonic missiles…

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This common electric motor is SUPER easy to fix

Shaded Pole Motors: Simple & Easy to fix!The name “shaded pole motor” might sound scary, but these things are REALLY simple inside.

So simple that if you have one, you can probably fix it yourself in about 10 minutes with a few simple tools.

DIY, save some bucks, and Bob’s your uncle.

When they’re used, how they work, and how to fix ’em good… Join me for a look at this common motor type!

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