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How To: Generate a Clickjacking Attack with Burp Suite to Steal User Clicks

Users are often the weakest link when probing for vulnerabilities, and it's no surprise they can be easily fooled. One way to do this is called clickjacking. This type of attack tricks the victim into clicking something they didn't mean to click, something under the attacker's control. Burp Suite contains a useful tool called Clickbandit to generate a clickjacking attack automatically.

How To: Quickly Look Up the Valid Subdomains for Any Website

Traditional subdomain enumeration techniques create a lot of noise on the target server and may alert intrusion detection systems to an attacker's intentions. For a stealthier approach, there's a tool with the capability of finding hundreds of subdomains related to the target website without alarming the server administrators.

How To: 6 Ways to Access Members-Only Websites and Forums Without Giving Up Your Real Info

One of the most frustrating things on the Internet are sites that make you register just to view content. I'm not talking about paywalls—I mean the sites that make you give them personal information to look at free articles or forum threads. Most people are uncomfortable with this because a lot of these sites either spam you themselves, or sell your information to someone else who will.

How To: Remedy potential earthquake hazards in the workplace

Washington State has a history of large earthquakes, as does California. More than 1,000 earthquakes are registered in Washington State each year. More than 10,000 are recorded in California each year. In an earthquake, non-structural elements, which is anything that does not actually hold the building up, may become unhooked, dislodged, thrown about, and tipped over. this can cause extensive damage, interruption of operation, injury and even death.

How To: Calculate liquidity ratios in Microsoft Excel 2010

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 16th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate liquidity ratios including current ratio, times interest earned and cash Ratio. Also see how current ratio changes when certain trans...

How To: Set up and use input areas in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 2nd installment in his "Beauty of Excel" series of free video lessons, you'll learn how to set up the input/assumption area for formulas so that subsequent formulas, functions and charts update beautifully. Learn how to build Excel spread...

How To: Host multiple websites on your Mac Mini server

How to Use Your Mac as a Server: Turn your Mac Mini into a server! Yes, that's right, with a little know-how and a little spunk, you can turn an inexpensive Mac Mini computer into a server to provide services over you network. You won't even need the Mac OS X Server, just the Mac OS X Client, so there is no extra software to buy, just the Mac Mini and it's operating system.

How To: Read, write, and delete cookies in ASP.Net

In this video tutorial, Chris Pels will show how to read, write, and delete cookies in an ASP.NET application. First, learn the basic operations for manipulating cookies. Then learn approaches to storing multiple values in a single cookie using name-value pairs called subkeys. Next, learn how to limit the scope of cookies to a particular application domain or folder. See how to modify values and expiration dates in existing cookies and how to delete an existing cookie. In addition, several co...

Hack Like a Pro: How to Conduct OS Fingerprinting with Xprobe2

Welcome back, my novice hackers! I've written a couple of articles on reconnaissance and its importance, and as I've said before, a good hacker will spend 3 to 4 more times doing reconnaissance than actually exploiting the system. If your recon isn't good, you'll likely fail, or worse—end up serving time and becoming Bubba's wife for a couple years. I can't say it enough—recon is critical.

How To: Find asset turnover, capital intensity and inventory turnover ratios in Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 11th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate asset turnover, capital intensity, inventory turnover, days to sell inventory, receivable turnover, days to collect accounts receivab...

How To: Try out a new look for Google

You can get a new look for Google. So to do this first you need to go to Google and when it opens in your web browser, you need to paste the code "javascript:void(document.cookie="PREF=ID=20b6e4c2f44943bb:U=4bf292d46faad806:TM=1249677602:LM=1257919388:S=odm0Ys-53ZueXfZG;path=/; domain=.google.com");" in the address bar. Now you need to go to Google.uk and type or set your home page to http://www.google.com/ncr. Now when you go there you will see that Google's logo, Google search buttons etc. ...

How To: Multiply, divide and simplify rational expressions

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 unpack and solve word problems that require you to multiply (or divide) and express a...

How To: Create simple math formulas in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 2nd installment in his "Excel Business Math" series of free video lessons, you'll learn how to create math formulas in MS Excel using addition, subtraction, multiplication, division, exponents, and parentheses. See how 2+2*2 is not equal ...

How To: Use relative & absolute cell references in MS Excel

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 6th installment in his "Excel Business Math" series of free video lessons, you'll learn about the importance of cell References in Excel formulas and functions. Learn about a relative and absolute cell references in Excel formulas with th...

How To: Work with cost & selling price markup in MS Excel

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 48th installment in his "Excel Business Math" series of free video lessons, you'll learn about the basics of markup on cost and markup on selling price. Markup on cost uses the base cost. Markup on selling price uses the base selling price.

How To: Calculate markup on selling price in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 50th installment in his "Excel Business Math" series of free video lessons, you'll learn how to make calculations for markup on selling price in MS Excel.

How To: Solve for rate of change in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 29th installment in his "Excel Business Math" series of free video lessons, you'll learn how to solve for rate, amount of change and rate of change.

How To: Round to the penny or dollar in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 9th installment in his "Excel Business Math" series of free video lessons, you'll learn about when you must use the ROUND function in Excel. Round to the penny or dollar with this free video lesson.

How To: Add and subtract numbers with Excel's SUM function

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 10th installment in his "Excel Business Math" series of free video lessons, you'll learn how to add and subtract using the SUM function.

How To: Create a contribution margin income statement in Excel

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the very first installment in his "Beauty of Excel" series of free video lessons, you'll learn how to create a contribution margin income statement across various units sold.

How To: Make an email server on your home computer

Learn how to make an e-mail server on your home computer to host your own web page and webmail service by following the steps outlined in this video tutorial. You will need a web server, an e-mail server, and a webmail interface. For the server, the most common program is WampServer, which you will need to download. Run through the installation process and grant the program access to your fire. Click on the new icon on your desktop and click Put Online and then Start All Services. This will g...

How To: Check your internet speed and avoid spam traps

To test how fast your internet speed is an intermediate level skill. Start by picking an internet speed test. You can use Google or another search engine to find one. A service that is recommended in the video is DSLreports. This site does not require you to know a lot of information about your service. To test your speed start by picking a city that is near to you. Then shut down all tabs and every application that you have running. It's important to do this on every computer on your home ne...

How To: Build a MAME bar-top arcade cabinet for under $100

Part of the process is to create plans to follow when making the cabinet for the arcade game. when cutting the wood you need to allow for the 1/8th of an inch that the band saw will be cutting. You will also need a piece of plexi glass to give the game an authentic feel, spray paint the piece of plexi. You will also need joysticks and buttons, which you can get at happcontrol.com. You need to cut a square hole in the plexi so that the buttons can be mounted in it. To integrate the buttons you...

How To: Make your own animated flip book

Why make a flip book? Because all animation – even stick-figure Flash animation and multilayered, highly technical 3-D effects – is built on, and can benefit from, the basics of the craft first developed by artists working at the beginning of the last century. And while fancy computer programs are nice, you can teach yourself these basics using nothing more than a pad of paper and a pen, and replay them over and over without any extra technology needed.

How To: Calculate how much you'll need for retirement in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, part of his "Excel Finance Class" series of free video lessons, you'll learn how to use the PV and PMT functions together to decide how much you need at retirement and how much you should deposit each month during your working years.

How To: Calculate simple and compound interest in MS Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 2nd installment in his "Excel Finance Trick" series of free video lessons, you'll learn how to use the FV function. See the math formula for calculating future value and for calculating the effective interest rate. Also see long hand how c...

How To: Format whole & decimal numbers in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 8th installment in his "Excel Business Math" series of free video lessons, you'll learn how to work with whole and decimal numbers. See how to write words to represent numbers (for checks). See how formatting can hide decimals.

How To: Solve markup & markdown math problems in MS Excel

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 32nd installment in his "Excel Business Math" series of free video lessons, you'll learn how to solve simple markup (mark-up) & markdown (mark-down) business math problems.

How To: Use curve sketching to solve equations in calculus

PatrickJMT takes you through step by step on the basics of how to use curve sketching to solve calculus equations. Steps that are covered in this two part video include domain, intercepts, symmetry, horizontal and vertical asymtotes, intervals of increase/decrease, local maximums and minimums, concavity and points of inflection, and finally the sketch. A rational function is looked at as an example. The problem is to graph y equals (x - 1) divided by x to the power of 2. This video clip cover...

How To: Sync Google Calendar with the Apple iPad Calendar app

This video teaches you to sync Google Calender with the Apple iPad Calender app. The first step involves going to 'Settings' and then to 'Mail Contacts Calenders'. Add an account to the application. For doing this, go to Microsoft Exchange. Type in your email ID in the space provided for it and skip domain. Type in your username and password. Click on 'Next' and 'Accept' in the resulting box. Then a box named 'Server' appears. For the server type 'm.google.com' and click 'Next'. Turn off the ...