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HARDWARE ARTICLES / RASPBERRY PI, DIY, GADGETS, AND MORE

You configured your headless Raspberry Pi just the way you want it, it’s settled in and running smoothly, but suddenly you want to move it away from its Ethernet tether with a Wi-Fi module. Skip hooking it back up to all the peripherals and quickly add in Wi-Fi support from the command line.

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Many people avoid using their camera’s flash because it washes people out, creates harsh shadows, and usually overpowers the background of the photo. Read on as we show you how to avoid common flash problems with a simple flash diffuser.

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Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-driven grouping of Q&A web sites.

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Even if you know you need to secure your Wi-Fi network (and have already done so), you probably find all the encryption acronyms a little bit puzzling. Read on as we highlight the differences between encryption standards like WEP, WPA, and WPA2–and why it matters which acronym you slap on your home Wi-Fi network.

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If you’re tired of looking up the IP addresses of devices you frequently access via remote login, SSH, and other means on your home network, you can save yourself a lot of time by assigning an easy to remember .local address to the device. Read on as we demonstrate by assigning an easy to remember name to our Raspberry Pi.

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Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-driven grouping of Q&A web sites.

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The default hostname for the Raspberry Pi is, creatively enough, “raspberrypi“. What if you want a different hostname or you want to avoid hostname conflicts on your local network? Read on as we show you how to quickly change the hostname of a Linux-based device.

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Brute-force attacks are fairly simple to understand, but difficult to protect against. Encryption is math, and as computers become faster at math, they become faster at trying all the solutions and seeing which one fits.

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Do you have your PC, television, or other expensive electronics plugged directly into a power outlet? You shouldn’t. You should plug your gadgets into a surge protector, which isn’t necessarily the same thing as a power strip.

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If you live in an apartment complex you’ve probably noticed more than just the passive-aggressive network IDs that your neighbors use—very likely you’ve had problems with your wireless connections dropping out, or just not being as fast as you’d like. Here’s a quick fix.

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The automatic white balance in digital cameras is, in most cases, a close-enough-but-not-quite solution. Read on as we show you how to use a white balance cap (both commercial and DIY) to achieve perfectly balanced color.

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Your smartphone needs a recharge yet again and you’re miles from the charger at home; that public charging kiosk is looking pretty promising–just plug your phone in and get the sweet, sweet, energy you crave. What could possible go wrong, right? Thanks to common traits in cellphone hardware and software design, quite a few things–read on to learn more about juice jacking and how to avoid it.

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Your computer consumes a large amount of power just idling there awaiting your command, so does charging a smartphone or tablet off one of the USB ports impose much of a demand on it?

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The benchmarks are clear: Solid-state drives slow down as you fill them up. Fill your solid-state drive to near-capacity and its write performance will decrease dramatically. The reason why lies in the way SSDs and NAND Flash storage work.

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Solid-state drives are different from the mechanical, magnetic hard drives in wide use. Many of the things you’ve done with typical mechanical hard drives shouldn’t be done with newer solid-state drives.

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Anyone with a digital camera has been there at some point: You take a photo, you check it later, and the color are ghastly–the people are sickly looking, white shirts look blue-ish, and the image just looks unappealing. Read on to learn about white balance and how to avoid smurfy family portraits.

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Somedays it’s fun to look at the surface level of the computing experience, and other days it’s fun to delve right into the inner workings. Today we’re taking a look at the structure of computer memory and just how much stuff you can pack into a stick of RAM.

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Wouldn’t it be awesome if you could see exactly where your Wi-Fi coverage was hot, cold, and somewhere in between? Stop guesstimating where you might need better Wi-Fi coverage and see exactly where with today’s Wi-Fi heatmap tutorial.

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Overclocking is the action of increasing a component’s clock rate, running it at a higher speed than it was designed to run. This is usually applies to the CPU or GPU, but other components can also be overclocked.

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Have you ever noticed that your Internet service provider advertises their speeds as “up to” a maximum speed? You may think you’re paying for a 15 Mbps connection, but you’re actually getting an “up to 15 Mbps” connection that may be slower.

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You’re constantly plugging and unplugging (and mounting/unmounting) your flash drive. What can you do to minimize potential data loss?

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Chromebooks aren’t like traditional laptops. They’re locked down by default, only booting Google-approved operating systems in their default state. They’re much more limited than traditional Windows, Mac, or Linux laptops.

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Whether net neutrality should be mandated by law is one of the biggest policy debates around the Internet, but net neutrality isn’t just a matter of law. Net neutrality is a principle that’s given us the Internet we have today.

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Chromebooks aren’t like traditional laptops. While they’re much simpler, they still have various useful features you may not know about. These tricks will help you take advantage of your Chromebook’s true potential.

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Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-driven grouping of Q&A web sites.

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