Hello Hackerspace (and Lifehacker) readers, and welcome to the weekly Hackerspace Friday open thread. What tips, tools, and hacks would you like to share? What tips, tools, and hacks would you like shared with you? And fun plans for the weekend? Or today? And what’s your favorite way to stay dry in a downpour?

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Today, half of America’s internet shut down when hackers unleashed a large distributed denial of service (DDoS) attack on the servers of Dyn, a major DNS host. It’s still unclear exactly who carried out the attack and why, but regardless, the event served as a demonstration of how easily large swaths of the web can be wiped out if attacked by determined hackers.

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CREE LED flashlights pack a whole lot of lumens into shockingly small packages, and $10 today gets you an OxyLED flashlight, an 18650 rechargeable battery, and a charger. We see these types of lights for around $5 from time to time, but those deals usually require you to find the battery yourself.

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It’s squat day, and you’re excited to show that barbell who’s boss, but there’s just one problem: The squat racks are all taken. You can be a good team player and ask to work in, or you can try these squat variations you can do without a squat rack (and in some cases, without a gym at all.)

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NETGEAR’s Nighthawk R6700 should be more than enough router for the vast majority of people, and you can pick it up for just $89 on Amazon today, after you clip the $20 coupon on the product page.

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