Posts Tagged ‘network’

Openfiles – Display Files Opened By Network Users

Wednesday, July 6th, 2011

Here’s a lesser known Windows command that would probably come in handy for network administrators …

The command line tool openfiles has been part of the Windows operating system for a long time. It basically can be used to display all system files that are currently opened by users of the same computer network. One of its applications is to analyze file access errors. It is for instance usually not possible to delete or modify a file if it is currently opened by another user on the network.


Sega Loses 1.29 Million People’s Data in Hack!

Monday, June 20th, 2011

Here’s another reminder that when it comes to corporate networks, there’s no such thing as “too much” security …

Sega is the latest company to admit to being hacked and has admitted that in a recent attack on its computer systems, the personal details of 1.29 million customers was stolen.

The news first emerged on Friday when they said that the email addresses and dates of birth of customers on its Sega Pass database had been accessed by hackers.  Now the larger admission will be hugely embarrassing to the company.


Network Troubleshooting Basics – Tracert and Pathping

Tuesday, May 24th, 2011

I think this is the third in a series of articles that cover network troubleshooting. All of these articles have been fairly basic, but they’re also quite helpful; both for review purposes and for those who are not as familiar with network functions like Tracert and Pathping …

This article is the third in a series of the basics of network troubleshooting. So far ping and ipconfig have been covered. Now tracert and pathping, which are similar commands, will be covered. While this is a basic tutorial, there are some intermediate tips and topics included. The focus will be on Windows based systems (with a tip or two for other systems).


Network Troubleshooting Basics: The Ping Command

Thursday, May 12th, 2011

This is pretty basic indeed, but I’m sure that there are plenty of people out there who could learn something from it …

This article is the first in a series delving into the basics of network troubleshooting. It covers what tools to use and how to use them. While this is a basic tutorial, there are some advanced tips and topics included. The focus will be on Windows based systems (with a tip or two for others).


Why Your Home Router is

Friday, April 29th, 2011

In the broader scheme of things, this is kind of a minor issue … but it does serve to answer an interesting question.

These days, there is one piece of networking equipment that has become much more common: the router. Many of them actually have the same IP (Internet Protocol) number,, and for an interesting reason.