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How To: Secure Your Instagram Account by Adding 2-Factor Authentication & Managing Privacy Settings

The photo-centric Instagram app is a great way to share "evergreen" pictures and videos when compared to Snapchat and Facebook's new Messenger Day feature. But like all social media, keeping the account secure is an essential aspect, as it restricts unwanted viewers from seeing your content and can prevent unauthorized users from accessing your account. Instagram has several methods for locking down the account including a new two-factor authentication (2FA) mechanism.

Hack Like a Pro: How to Perform Stealthy Reconnaissance on a Protected Network

Welcome back, my fledgling hackers! One of the first issues any hacker has to address is reconnaissance. Before we even begin to hack, we need to know quite a bit about the target systems. We should know their IP address, what ports are open, what services are running, and what operating system the target is using. Only after gathering this information can we begin to plan our attack. Most hackers spend far more time doing reconnaissance than exploiting.

How To: Play roller derby for beginners

Roller derby is a sport (kind of) that involves two teams skating rounds around an oval track and trying to get ahead of one another. The fun, of course, is that there are "blockers" who try to prevent the "jammers," or scoring players, from getting ahead.

How To: Submit your site to the Yahoo search engine

In this video, we learn how to submit your site to the Yahoo search engine. First, go to site explorer. Once here, submit your website or web page in the appropriate box. After this, enter the full URL of the site feed you want to submit. After you do this, go to the side bar and verify your site, or add a META tag, then go to your site. Now, copy the code that Yahoo gave you and paste it into your website. After you do this, your site will be submitted and you can search for it through the Y...

How To: Find the equation for a growth pattern

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to find an equation that describse the growth pattern of a sequence of blocks.

How To: Catch the ball as a soccer goalie

Catching the ball is one of the most important functions of the soccer goalie. They are the only player on the field allowed to do so, and when they do so they not only block the shot they caught, but keep possession of the ball for their team, changing the flow of the game. Use the tips in this video to catch the ball more effectively and improve your goaltending.

How To: Lay a wooden floor at home

Want to lay a hardwood floor yourself? It's easy. Provided, that is, you have all of the following materials: wood panels (preferably with built-in foam underlay), plastic sheeting, duct tape, tapping blocks, a hammer, a crowbar, a straight edge, a miter square, a pencil, string line, some spacers, and a saw. For complete instructions on putting it all together and installing your own custom wooden floor using panels, watch this free DIY guide.