Ever wondered which program has a particular file or directory open? Now you can find out. Process Explorer shows you information about which handles and DLLs processes have opened or loaded. We love the tool! The Process Explorer display consists of two sub-windows. The top window always shows a list of the currently active processes, […]
A better view of Processes and Internal Operations Read More »
As Thanksgiving 2010 quickly approaches, we are reminded to give thanks for everything we have, no matter how small. This requires that you look back and consider where you have been and what you have accomplished. Understandably, the memories aren’t all that great in every case. Nevertheless, in this mode I was considering the past
The BBS – Bulletin Board System – Before App Stores and Email Read More »
There are a number of great options for accomplishing this task such as GoToMyPC.com among others. But usually these are pay sites after a free 30 day trial. One that I used recently with a Microsoft Support Engineer was www.zolved.com. It was as easy as pie, and it cost nothing! Here is how to use
Sharing your desktop and allowing a user to control your PC Read More »
In this article we will show you how to secure your home network in a great way using IP Addressing. By making some simple changes to the way you address the home or small business network, you can easily provide visitors with Internet access, without exposing your own computers, appliances and servers to them. By
Securing a Home or Small Business Network Read More »
The Fundamentals of TCP/IP for Service Provider Managers / Engineers / Marketing Course Description: Attended by thousands of students around the country already, this one-day course is jammed with information and learning. This course focuses on the basics of the Internet, the OSI model, IP Addressing and subnetting, IP Routing, TCP and UDP operation
CSI-SP-001 – POTS to Pipes 1 Read More »
The following lab exercise is how to create an IPsec VPN. We originally created this lab as part of one of our courses, and we hope you find it useful. Lab Preparation This lab is designed to help you learn the basics of IPSec VPN’s and how Service Providers uses IPSec to provide VPN
An IPsec VPN Lab Exercise Read More »
This article discusses our tips on “Parenting the Internet”. What we mean is, that parents must carefully control the Internet usage in the home, especially when minors are involved. The Internet must be actively parented as we will discuss further. Also look for additional information in the following two articles: Using your router to clock
Parenting the Internet Read More »
CellStream, Inc. – Telecom Consulting and Training! 2-Day Instructor Led Hands On Lab Class Available in either Web Based delivery or On-Site Delivery Minimum 10 students – Maximum 16 students Course Description: Knowing the fundamentals of Quality of Service (QoS) is vital to anyone who is in the
CSI-HO-015 – Hands-On Quality of Service (QoS) Read More »
Netstat is a useful tool for checking network and Internet connections. Some useful applications for the average PC user are considered, including checking for malware connections. To execute netstat on windows, you must execute a START> RUN> CMD. The command syntax is netstat [-a] [-b] [-e] [-n] [-o] [-p proto] [-r] [-s] [-v] [interval] Switches
What is the ‘netstat’ command, and what can it do? Read More »
Let’s answer the questions, but before I do, you can watch my ARP lesson on Youtube here: https://youtu.be/aD_caJxD7nY and look at the lessons in the playlist:https://www.youtube.com/playlist?list=PL-nDeWT9WTjFT1syEIGsLTObjkx4XDOUt Check out some further ARP Resources: Our free ARP course at Udemy Our ARP custom profile for Wireshark Our chapter on ARP at the Online School Reference Library OK –
What is the ‘arp’ protocol and the ‘arp’ command, and how can I use it? Read More »
If you have a web/email server connected to the Internet that you want other to reach, that server must have a public IP address. Most Internet users don’t even try to remember the IP addresses of sites they use, instead they use the Universal Resource Locator system of typing www.cellstream.com or something like this into
Using a Dynamic DNS Service Instead of a Public IP Read More »
Here are some fundamental PC Troubleshooting Tips. We cant cover everything here, but if something below helps, great! PC Won’t Boot Into Windows Try “Safe Mode” First When your PC just won’t boot into Windows at all, you’ll probably want to start off with Safe Mode—use the F8 key right when the system starts
Some Basic Troubleshooting Tips for the PC/Networking Read More »
Here is a good question: At a recent POTS to Pipes you told us of the story of the customer that was upset with his local telephone company due to his internet being really slow, etc., and you had went through some steps that you could use to verify how many appliances a person actually
Determining What is Connected to a Customer LAN or WLAN with ColaSoft MAC Scanner Read More »
We recently received the following query via email (some content edited): I heard you speak a few weeks back and have a few questions regarding the “How to Parent the Internet” segment of your presentation. Is there a certain software required for blocking offensive content? Also, is there a standard way to block most or
Blocking Offensive Web Content Read More »
There is no one “great” answer to this question. Usually saving disk space also maximizes performance of your computing platform. We fundamentally recommend: a) proper maintenance (see other tips below) and b) the occasional ‘spring cleaning’ (as also discussed below) combined with the c) use of a utility to clean your unused space (we like
How can I save Disk Space? Read More »
