Wednesday, February 2, 2011

OLPC & CDMA Internet Connection Problem

I'm currently working on a successful processing project - 'One Laptop Per Child' in Mongolia. But "Every laptop Internet connection" is very difficult problem. Because, land of Mongolia is very wide & population is very few. So "wi-fi" internet zone is not suitable decision.

Fortunately, one of Mongolian mobile telephone providers - G-Mobile reaches their service every town (including all cities and small towns). Most of people use their Mobile Phone. Not long time ago, G-Mobile started Internet service (Their users can connect to the internet via their cell phones). I thought, If we can connect XO Laptops to the internet via their cell phones, many many children (about 12000 children have been using XO Laptops) can connect to the internet via their Laptops & their parents' cellphone.

I searched a solution about this & found it, how can I connect linux machines to the internet via cellphone & USB Modems. I successfully connected my ubuntu OS. (via my CDMA Anydata modem). Then I tried to connect XO Laptop, by my solution & Successfully connected it. But after connected it, a few seconds later, connection presented "Connection is not responding", "Connection timed out" etc status.

I guess, technical resource of XO Laptop is not enough for using of this device (modem). I that possible? Have you any idea?

Tuesday, February 9, 2010

Cisco Career Certifications

Cisco Career Certifications are IT Professional certifications for Cisco Systems products. The tests are administered by Pearson VUE. There are five levels of certification: Entry, Associate, Professional, Expert, and Architect, as well as seven different paths, Routing & Switching, Design, Network Security, Service Provider, Storage Networking, Voice, and Wireless.

Online trading community

From Wikipedia, the free encyclopedia

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Part of a series on
Electronic commerce
Bills and coins
Online goods and services
Streaming media
Electronic books
Software
Retail services
Banking · Food ordering
Online flower delivery · Blu-ray Disc or DVD rental
Travel
Marketplace services
Trading communities
Auctions · Online wallet
Advertising
Price comparison service
E-procurement
Purchase-to-pay

An online trading community provides participants with a structured method for trading, bartering, or selling goods and services. These communities often have forums and chatrooms designed to facilitate communication between the members. An online trading community can be likened electronic equivalent of a bazaar, flea market, or garage sale.

International domain name systems

The Domain Name System (DNS) is a hierarchical naming system for computers, services, or any resource connected to the Internet or a private network. It associates various information with domain names assigned to each of the participants. Most importantly, it translates domain names meaningful to humans into the numerical (binary) identifiers associated with networking equipment for the purpose of locating and addressing these devices worldwide. An often used analogy to explain the Domain Name System is that it serves as the "phone book" for the Internet by translating human-friendly computer hostnames into IP addresses. For example, www.example.com translates to 208.77.188.166.

Wednesday, January 13, 2010

MySQL: Using mysql in Batch Mode

In the previous sections, you used mysql interactively to enter queries and view the results. You can also run mysql in batch mode. To do this, put the commands you want to run in a file, then tell mysql to read its input from the file:

MySQL: Getting Information About Databases and Tables

What if you forget the name of a database or table, or what the structure of a given table is (for example, what its columns are called)? MySQL addresses this problem through several statements that provide information about the databases and tables it supports.
You have previously seen SHOW DATABASES, which lists the databases managed by the server. To find out which database is currently selected, use the DATABASE() function:

MySQL: Retrieving Information from a Table

The SELECT statement is used to pull information from a table. The general form of the statement is:
SELECT what_to_select
FROM which_table
WHERE conditions_to_satisfy;
what_to_select indicates what you want to see. This can be a list of columns, or * to indicate “all columns.” which_table indicates the table from which you want to retrieve data. The WHERE clause is optional. If it is present, conditions_to_satisfy specifies one or more conditions that rows must satisfy to qualify for retrieval.