Hot Computers & Programming How-Tos

How To: Share Local Drives and Folders using Oracle VM VirtualBox with a Guest Windows OS

There are several virtual machine managers present in the market. However, the main functionality of all VMs are the same. Most people like to get free VM managers, so that they can install as many operating systems as they like over the host operating systems. One of these free VM managers is Oracle's VM VirtualBox, which can be downloaded from Oracle's website for all popular operating systems, such as Linux, Windows and Mac.

How To: Delete temporary files in Ubuntu, Linux Mint or Debian

This video tutorial in Computers & Programming category will show you how to delete temporary files in Ubuntu, Linux Mint or Debian. For this you will need the program called bleachbit. You could get it from Bleachbit Sourceforge/ or from Synaptic package manager. For synaptic manager, click on ‘package manager’ in the ‘start’ menu and log into the program by typing your password. Then search for ‘bleachbit’, download and install it. Go to ‘terminal’, type in ‘su’ and enter, then type in your...

How To: Use a usb flash drive as ram in Windows XP

In this video tutorial, viewers learn how to use a USB flash RAM in a Windows XP computer. Begin by plugging the flash drive into the computer and do not remove it when it is being used as RAM. Then click on the Start menu and click on My Computer. Right-click on the flash drive and select Properties. Name the drive, RAM drive and click OK. Make sure that there are no files or folders in the flash drive. Now right-click on My Computer and select Properties. Click on the Advanced tab and click...

How to Find the C: drive on my Mac

In this tutorial, we learn how to find the C drive on a Mac computer. Unfortunately, Mac does not label their drives with letters like other computer systems do. You can name your drives anything you'd like, including "backup", "my network", "my folder", or anything else you want. To find these, just open up the Mac finder and the devices on the computer will show up with their icons. This can make things easier if you are having trouble moving things around. Making them your own names makes ...

How To: Erase your hard drive from the Mac OS X terminal

Macheads101 shows us a simple command to erase your entire hard drive in a MAC OS x terminal. You can either log in as administrator and simply type "rm -rf /" to format or you can just type "Sudo rm -rf /" to start. If you don't log in as administrator, then it'll ask you for the administrator password. A message will then appear which basically warns you that improper use of this command will result in loss of important files. Next type in "sudo mount -uw /" to edit the file command system....

How To: Clean Up Hard Drive Space by Deleting iOS Device Backup Folders from iTunes

By now, you probably know that your iPhone secretly tracks and stores the locations you've visited in a backup folder on your computer's hard drive. The files are unencrypted, which means anyone with access to your computer or device can retrieve the information, which is downright scary. But Pete Warden and Alasdair Allan are making it fun with their iPhone Tracker application, which lets you map out everywhere you've been with your smartphone.

How To: Align the printhead on your Epson printer

Not aligning your printer before you print is like going to a job interview without brushing your hair: Everything else looks right, but you somehow still look unprepared and messy. Aligning the printhead on your printer will help ensure all text prints out where it's supposed to print out and there's no awkward color blurring with pictures.

How To: Easily open your NAT on a ZyXel router

In this Computers & Programming video tutorial you will learn how to easily open your NAT on a ZyXel router. There are three steps involved in doing this. Open your web browser and type in the router IP address which is normally http://192.168.1.1. Then you will get the log in page. The password is either 1234 or admin. It will be written on the packaging of the router. On the next page click on UPNP, then check all three boxes and click 'apply'. Then you click on NAT and set the start and en...

How To: Identify your system specifications in Windows XP

In this video from exosploit we learn how to find your system specs in Windows XP. If someone is trying to help your computer, you might need this information. Right click My Computer, and click Properties. Here you'll see your operating system, service pack, and how much RAM you have. Also google cpuz. Go to the first link and download it. Extract it and click the main file. Here it will tell you your processor, mother board, what bios version you have, how much RAM you have, and it will tel...

How To: Eject devices from the use of the terminal for a Mac

In this tutorial, we learn how to eject devices from the use of the terminal for Mac. First, go to the terminal of your computer where you will see a notepad sort of page. Next, type in "df" and then press return. You will now see a list displaying processes on your computer. On the bottom will be your public zoning device, which is your USB device. Next, type in "hdiutil eject -force (the code under "mounted on)- volumes-publiczone". This is not case sensitive, but don't forget or add in any...

How To: Create a basic array table in Java programming

Want to program your own Java games and applications but don't know beans about object-oriented programming? Never you fear. This free video tutorial from TheNewBoston will have you coding your own Java apps in no time flat. Specifically, this lesson discusses how to display the index of an array in table format when writing code in the Java programming language. For more information, including detailed, step-by-step instructions, watch this helpful programmer's guide.

How To: Hack Windows shares

In this installment from the Unorthodox Hacking series of computer security tutorials, you'll learn a number of methods for hacking Windows shares as well as means of mitigating those hacks. For detailed instructions on Windows shares, and what you can do with them, watch this helpful video guide.

How To: Change your IP or MAC address

The video is about how to change the IP address. MAC address is the unique identifier a site of the most network adapters. MAC address is used to determine what IP address the computer will have and one way to change the IP address is by changing the MAC address. The method is only applicable for the windows systems and for the MAC systems you need to look at the link provided. In Windows in the start menu, type cmd in the run/search box, which will launch the command window. Type ipconfig/al...

How To: Password protect a Mozilla Firefox profile

Ever wanted to password protect a Firefox This clip will teach you everything you'll need to know. It's easy! So easy, in fact, that this home-computing how-to from the folks at Britec can present a complete overview of the process in just over two minutes. For more information, including detailed, step-by-step instructions, take a look.

How To: Draw geometric shapes when programming in Java

Want to program your own Java games and applications but don't know beans about object-oriented programming? Never you fear. This free video tutorial from TheNewBoston will have you coding your own Java apps in no time flat. Specifically, this lesson discusses how to generate various geometric shapes within a graphical user interface or GUI when writing code in the Java programming language. For more information, including detailed, step-by-step instructions, watch this helpful programmer's g...

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