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How To: Port scan with Nmap

Nmap ("Network Mapper") is a free and open source (license) utility for network exploration or security auditing. Many systems and network administrators also find it useful for tasks such as network inventory, managing service upgrade schedules, and monitoring host or service uptime. Nmap uses raw IP packets in novel ways to determine what hosts are available on the network, what services (application name and version) those hosts are offering, what operating systems (and OS versions) they a...

How To: Tie a Portugese Bowline knot for sailing

The method demonstrated in this how-to video makes the Bowline knot quick and easy to tie. It is useful when you expect a blow and need to take a few turns around your winch to use as an additional hardpoint. In this case I am simulating a mast winch but the process can be used on a horizontally mounted winch as well. The secret is to form the bowline eye by capsizing an overhand knot. With the standing part in your left hand form a turn around the winch from top to bottom then cross the runn...

How To: Make homemade Indian yogurt (dahi)

Homemade yogurt is so simple to make that you’ll wonder why you haven’t made it before. Watch this how-to video and try this recipe. You will agree that Indian style homemade yogurt has a delicious flavor that is very different from store bought ones, not to mention how much cheaper it is to make versus buying.

How To: Do dumbbell squats

Squats are probably the most useful exercise you can do at the gym—no other single exercise encourages more muscle growth. With a range of motion that incorporates many different muscle groups in the legs, core and upper body, squats not only strengthen those muscles, but also strengthen the tendons and ligaments that connect them. In addition to their strength-building benefits, squats also teach you core stabilization, which is important for almost any athletic endeavor. Learn how to do dum...

How To: Stake tall plants

We next try some staking, because this garden has tall plants. Tall plants add verticality to the garden, but they only stay tall until a thunderstorm hits. They need staking if for no other reason to keep them out of the mud. Dahlias definitely need staking because their flowers are enormous and bend easily. Plan for this ahead of time. For staking there are lots of possibilities. You can use bamboo and string or you could use multi-purpose stakes. This metal stake is ideal for a single stem...

How To: 8 Different Ways to Mute Someone on Zoom That's Disturbing Your Video Meeting

If you're using or need to use Zoom, the popular video teleconferencing service, you've almost certainly heard about "Zoombombing" by now. While Zoom has been adding security measures to address the problem, there are other things you can do to prevent or stop Zoombombers in their tracks so that your video meetings and chats go undisturbed and uninterrupted.

How To: Block Apps from Accessing Your iPhone's Camera to Prevent Privacy Invasions

The camera system on the iPhone has never been better. Apple's iPhone 11, 11 Pro, and 11 Pro Max sport some of the best shooters on the market. But no level of quality makes up for the fact that shady apps can access your cameras for nefarious reasons. You can take control of the situation, however, and block any app you want from using your rear and front-facing cameras.

News: GarageBand Changed How My Autistic Son Interacts with the World

My autistic son loves music. One afternoon, when he was nine, I downloaded GarageBand to his iPhone to help with the boredom of a long wait at a doctor's office. Instead of pacing or escalating into a meltdown, he spent the entire hour and a half practicing, learning, and composing. When we finally left that day, the rest of us exhausted and irritated, he shared his first composition with a big smile.

How To: The Paranoid Mac Owner's Guide to Defeating Remote Snooping & Evil Maid Attacks

If you're worried about the security of your Mac, there are easy measures to prevent the most dangerous attacks. Named after the tactic of accessing an unattended computer in a hotel room, we can thwart "evil maid" attacks with Do Not Disturb and LuLu, free macOS tools by Objective-See that keep an eye on unattended computers and flag suspicious network connections that indicate a malware infection.

How To: Hack SAML Single Sign-on with Burp Suite

Single sign-on (SSO) lets users login across different sites without having to manage multiple accounts. I'm sure most of us appreciate the convenience of seeing "Sign in with …" buttons that let us login with a single username. Hackers, however, see a possible avenue for exploitation, and you'll soon learn how an attacker can exploit a SAML vulnerability to assume another user's identity.

Review: Sonic the Hedgehog on Mobile Is a Fun Throwback, with More Than a Few Headaches

Who would have thought back in 1991 that you'd eventually be able to play Sonic the Hedgehog whenever and wherever you wanted? Not a crappy Game Gear version, either. I'm talking the full Sega Genesis version of Sonic, available to you on a bus, a plane, or in a rest-stop bathroom. Now imagine how those people would react if you told them the game would also be free. They would think you were crazy.

How To: Add the Galaxy S8's New Bixby Feed to Your S7 or S7 Edge's Home Screen

Samsung's new personal assistant, Bixby, is making its debut on the Galaxy S8 and S8+. In addition to taking voice commands and performing visual searches, a new Hello Bixby feature predicts what you might want to do next with an integrated home screen feed. All of these features look nice, but if you're not ready to shell out at least $750 for a new phone, you'll be glad to know that Hello Bixby just leaked.