Hot Computers & Programming How-Tos

How To: Open ports on your Windows XP computer

In this video tutorial, viewers learn how to open ports on a Windows XP computer. Begin by clicking on the Start menu and open Control Panel. Double-click on Network Connections and select your network connection. Right-click on it and select Properties. Click on the Advanced tab and click on Settings. Select the Advanced tab again. Click on your internet connection and click on Settings. Click Add and fill in the port information. Click OK. T forward a port, users need to go to their router'...

How To: Track a USB device

Hak5 isn't your ordinary tech show. It's hacking in the old-school sense, covering everything from network security, open source and forensics, to DIY modding and the homebrew scene. Damn the warranties, it's time to Trust your Technolust. In this episode, see how to track a USB device.

How To: Password protect any folder on your desktop in Windows

In this tutorial, we learn how to password protect any folder on your desktop in Windows. First, right click on your desktop, then go to "new", then "compressed zipped folder" and name it whatever you want. Next, put what you want inside of the folder. After you've done this, open the folder then go to "file" and then "add a password". Pick a password that you will remember and type it into the text box, after you do this, click on "ok". Now your folder will be password protected and you will...

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: Restore deleted files with Encase from NTFS USB drive

Use Encase to open the drive after the document has been deleted. The deleted file will show up in the program and will have a red circle with a line through it showing that it was previously deleted. The window on the bottom of the screen will show the document context so you can verify that it is the correct one. Right click on the file and click 'copy/unerase' to restore the document. Down in the bottom right hand corner you will see the progression of the copying to the chosen file destin...

How To: Install a bootable Linux onto a USB stick

In this video PCMECH give a walkthrough the installation of a bootable Linux on a USB thumb drive from Windows. For this it's recommended to use a USB stick with a capacity of at least 1GB. First the UNetBootin application should be downloaded from the site mentioned and run the program keeping in mind to plug in the USB stick prior to the running of the program. Next the desired Linux distro and version should be selected and run as shown in the video. If you already have a distro you can us...

How To: Turn an Iomega ZIP Drive into a USB drive enclosure

The good old Zip Drive introduced by Iomega in late 1994 served its purpose as a medium-capacity removable disk storage system until obsolescence kicked in as it was replaced by flash drives as well as rewritable CDs and DVDs. This video presents a number of fun, DIY art projects that you can do with your old Iomega Zip Drive. Specifically, this how-to looks at how you can take your old Zip Drive and make of it a USB driver enclosure. For more, or to get started on your own Zip Drive project,...

How To: Delete a user account in Microsoft Windows Vista

In this video, Nub shows us how to delete a user account. First, you will click "start" then "control panel". Then click on "user accounts" and then "manage another account". You must be logged in as the administrator to do this. A new window will pop up once you click on this and you will see all the user accounts on your computer. Click on the user you want to delete and a menu will show up. Click the button that says "delete this account". A message will appear asking if you want to save t...

How To: Install any version of Linux from a USB thumbdrive

In this video the author shows how to install any version of Linux from a USB thumb drive. He gives the requirements, which are a USB drive, the ISO of the Linux OS and a program called UNetbootin. He shows how to download the program from Sourgeforge.net. After installing it he shows how to set the version of Linux in the program. Later he shows how to format the USB drive quickly and he goes on to set the USB drive option in the UNetbootin program. Now all the Linux OS will be copied to the...

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: Increase your low virtual memory on Windows XP

This video demonstrates how to increase your computer's virtual memory in Windows XP. To increase virtual memory in Windows XP: - On your desktop, right click on My Computer then select Properties. - On the System Properties Window, click on the Advanced tab. Under Performance, click Settings. - A new window should appear, click on Advanced tab, look for Virtual Memory then click Change. - The virtual memory window should now appear, select your main hard drive (usually C: ), then you can set...

How To: Permanently delete previously deleted files on a Mac

The guy in this video shows us how to permanently delete files on a Mac. First one would click on your desktop so the finder pops up and one would go to "utilities" and click "disk utilities". Next, one would click on the disk which they would like to clear, then click "erase" and then click "erase free space". After clicking, a box will pop up asking if you want to erase 0 times which clears the disk 1 time, 7 times which clears the disk 7 times to delete unwanted files, or 35 times, which r...

How To: Test your system performance in Windows 7

In this video tutorial, viewers learn how to test their system performance. Begin by clicking on the Start menu and select Control Panel. Then click on System and Security, and select "Check the Windows Experience Index" under System. Now click on "Rate this computer". The system will then begin to run some tests. This will take about 1-2 minutes. The Windows Experience Index assesses key system components on a scale of 1.0 to 7.9. This video will benefit those viewers who use a Windows 7 com...

How To: Fix broken AVI files with DivFix++ on Ubuntu Linux

Broken AVI video files are your worst nightmare. Nobody wants to watch a video and find out it's corrupted and not working anymore. But there could be a solution on Linux. This computer operating system could be a bit tricky for beginners, but fret not, help is here. Check out this video tutorial on how to fix broken AVI files with DivFix++ on Ubuntu Linux.

How To: Protect Your PHP Website from SQL Injection Hacks

As a web developer, I often read articles about hackers (from the lowly to the knowledgeable) infiltrating websites via the dreaded 'SQL Injection' method and completely taking control, changing, gaining access, or destroying the owner's data. As a fellow web developer, I'm sure you want to know how to protect against it. Well, here it is! In this article, you will find out what SQL Injection is, what you can do to protect against it, and additional recommendations that are easy to do and onl...

How To: Create a new Windows partition with GParted software

In this tutorial, we learn how to create a new Windows partition with GParted software. First, insert your boot CD into your computer, then turn your computer off and it will automatically boot. Next, hit enter to select the first option, then wait for the scan to complete. When done, select your type of keyboard, then hit enter. After this, select your language and then continue to wait for the boot to continue. Once loaded, you will see the main partition. To split this, select it and click...

How To: Search for Photos on Your Computer by Exact Dimensions

As a technology writer, phone screenshots can pile up on your computer in no time. Testing out different apps, showing buggy software, and doing step-by-steps can lead to a plethora of mobile screenshots piling up on your computer's desktop. The problem with my screenshots is that they save as photo.png or photo.jpeg, as do many of my other photos. If I haven't finished a project or article, I tend to move them to different folders to save them for later. After a while, the screenshots begin ...

How To: Add fonts to GIMP on Linux Ubuntu

Linux is a fully functioning free operating system that you can download online. Just because you are using Linux Ubuntu doesn't mean your projects have to suffer or look less professional that those made on traditional operating systems like Windows or Mac OS X. In this tutorial, learn how to download and add fonts to the GIMP photo program on a Linux Ubuntu system.