Archive for June 2009

Linksys Default Password

The Linksys router’s default password is “admin”. If that password isn’t working for you, or you know that you had changed it but forgot what it was, you can follow these easy steps in resetting your router’s password (and it’s settings):

  1. In order to restore the router to it’s factory default setting, find the “RESET” button located on the back of the router and hold it in for at least 30 seconds. Doing so will cause a hard reset, which means everything is reset to how it was when you first took it out of the box. The difference between a hard reset and a normal reset is that a hard reset completely wipes all of the settings from the router, where a regular reset may be used to help refresh and restart the router.
  2. Once you’ve waited at least 30 seconds, you may stop holding in the reset button. The router will then have hard reset. If you’re not sure that it worked, you can always try holding the reset button in again.
  3. The next step is to login to the router so you may change your settings how you would like. First, open up a web browser.
  4. In the web browser’s address bar, type the following address: http://192.168.1.1/
  5. This will open up your router’s login page. Here you will be prompted to enter your username and password.
  6. If you have an older router, the username should be set to blank (just leave the field empty) and the password should be set to “admin”. If you have a newer model, both the password and the username should be set to “admin”. If you aren’t sure which option to choose, just try both methods to see which one lets you login.
  7. Once you are able to get in, you should change the default password. Try to make it something memorable. It may be a good idea to write the password down in a safe spot in case you are to ever forget it (again).

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How to Upgrade Laptop

Unlike desktop computers, we can’t upgrade each and every single component of Laptop or Notebook computer easily. But, you can still upgrade laptop parts with putting little more effort and spending little more money.

Allmost all the laptops are branded and customized, whether they are of Dell, HP, Sony, Apple macbook etc and most of the time, you will only require to upgrade following parts of laptop - Continue Reading “How to Upgrade Laptop” »

Add music to MySpace

Adding your favorite music to your MySpace profile is very easy. MySpace has an inbuilt function for sharing music. Go through following steps to add music to your MySpace profile.

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HDCP

HDCP (High-Bandwidth Digital Content Protection) is a form of digital copy protection developed by Intel to prevent copying of audio and video as it travels from DVI (Digital Video Interface), High-Definition Multimedia Interface (HDMI), Gigabit Video Interface (GVIF), and other connectors. If a product wants to utilize this technology, they must obtain a license from Intel. The license not only charges an annual fee, but also asks they agree to conditions stated in the HDCP License Agreement.

Devices that utilize the HDCP technology come in three different types. They include repeaters, sinks, and sources. The differences can be found listed below: Continue Reading “HDCP” »

What is ATSC

The ATSC (Advanced Television Systems Committee) is a group of people who moderate the standards for digital TV transmission, which has replaced the analog NTSC system entirely in the US. In Canada, they will all be replaced by August 31st, 2011and in Mexico by December 31st, 2021. As of now, the U.S., Canada, and Mexico are the only users of the ATSC standard. Other standards include DVB-T and ISDB-T.

The ATSC supports various aspect ratios, forms of scanning, framerates, pixel aspect ratios, and resolutions. Here is a listed example of different options: Continue Reading “What is ATSC” »

Reverse DNS

A Reverse DNS Lookup is the process of looking up the hostname assigned to a specific IP address.

This process is useful for finding out the domain name of that particular IP address. The domain name may be something like www.mwolk.com, or even www.google.com. An IP address will look something like 204.14.93.200.

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Change Hostname

Here are some simple instructions on changing your computer’s local hostname in Windows XP and Mac OSX.

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DNS Server

DNS Server (Domain Name System) are used to provide the lookup record in the DNS tables for the sites that you want to visit. While these are provided for you privately and automatically via your ISP (Internet Service Provider), you may also change them to a public DNS server. Changing your DNS to a different one may even speed up your internet connection! Alternate DNS servers may also be used to help filter unwanted pornography websites and other potentially malicious sites.

A free DNS server provider is OpenDNS. They are growing in popularity, and have a great service set up for the general public to use. They advertise their service as safe, secure, and reliable.

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Runtime Error

A runtime error is an error that will pop-up via a message box telling the user that something somewhere went wrong. It is usually accompanied by a error code to better help identify the error. After closing the message box, the program will either stay frozen until you manually close or reboot, or it will automatically just close itself. These errors may be caused by simple computational errors, such as trying to divide by zero, and may sometimes be cause by viruses or other types of malicious software. Some common runtime errors are as follows:

Runtime error 429 in automating Office applications with the following message:
Run-time error ‘429′: ActiveX component can’t create object.

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Umask

A umask (user mask) is a command in the Unix operating system. It’s used for setting up the default permissions for files and folders. Typically, the umasks my be set up either using the default permission style (g=rwx), or by using an octal number, and are calculated by using the bitwise AND and NOT. Umasks are confusing in that they’re set up by defining what you don’t want the user mask permissions to be.

Examples of Umask in Linux and Unix

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