Welcome to CellStream’s Networking and Computing Tips resource center, where technology professionals, students, and enthusiasts can find practical guidance, troubleshooting techniques, and real-world solutions for today’s networking and computing challenges. Our goal is to help you work smarter, solve problems faster, and build a stronger foundation of technical knowledge.
Whether you’re configuring a network, optimizing system performance, learning a new technology, or troubleshooting a difficult issue, you’ll find valuable insights drawn from decades of industry experience. From Wireshark packet analysis and broadband technologies to Windows, Linux, cybersecurity, Wi-Fi, and Internet protocols, our tips are designed to be practical, actionable, and immediately useful.
• Step-by-step technical guides and how-to articles
• Networking troubleshooting techniques and best practices
• Wireshark tips, packet analysis workflows, and protocol insights
• Windows, Linux, and computing optimization recommendations
• Cybersecurity awareness and protection strategies
• Broadband, Wi-Fi, Ethernet, TCP/IP, and Internet technology guidance
• Productivity tips and tools for network engineers and IT professionals
• Improving network troubleshooting efficiency
• Optimizing computer and operating system performance
• Securing devices, accounts, and data
• Capturing and analyzing packets with Wireshark
• Understanding TCP/IP, DNS, DHCP, Ethernet, and Wi-Fi technologies
• Using industry tools more effectively
We’re always looking for new ideas, questions, and topics to explore. If there’s a networking or computing subject you’d like us to cover, or if you need help solving a technical challenge, connect with us through our Discord community or contact us directly.
Please note that not all tips, procedures, and configuration examples apply to every operating system, network device, software version, or vendor platform. Always verify compatibility and test changes in a controlled environment before implementing them in production networks.
Post Views: 2,703 Check out these great references as well: Our custom profiles repository for Wireshark Our Udemy course on Wireshark Our Udemy course on Wireless Packet capture Wireshark is a great graphical tool for performing packet analysis and we all agree that the GUI is wonderful, especially the new 2.x interface and later. But, […]
How to use tshark – a starting point Read More »
Post Views: 1,080 One of the most popular routers on the planet is the Linksys WRT54G series. We are also happy owners of this platform (version 2 to be exact). Unfortunately, Cisco (as well as many other router vendors and their platforms) decided to stop offering support for this router through software upgrades. This purposes
Upgrade Your Router/Gateway – Even If The Manufacturer Won’t Read More »
Post Views: 4,627 What is Netsh? Netsh is a Microsoft Windows command-line shell/scripting utility originally introduced in Windows 2000 that allows you to, either locally or remotely, display or modify the network configuration of a computer that is currently running. Netsh also provides a scripting feature that allows you to run a group of commands
The Netsh Shell/Scripting Tool in Windows Read More »
Post Views: 1,191 If you are a packet capture specialist, you have probably played with TCPdump for troubleshooting networks. We have created a TCPdump cheat sheet to help. You can download it here! If you are looking for a more comprehensive reference for TCPdump – you will find that in our Patreon community here. Let
The CellStream TCPdump Cheat Sheet now available Read More »
Post Views: 1,695 If you are a packet capture specialist or network troubleshooter, you have probably learned that ICMP is very important to the operation of any TCP/IP network. We have created an ICMP cheat sheet to help. You can download it here! If you would like to help support the continued development of independent
The CellStream ICMP Cheat Sheet Read More »
Post Views: 1,626 Check out our IPv4 Cheat Sheet! All the important IPv4 References in one place. This is vital to anyone learning IPv4. You can see our IPv4 Subnetting video here: https://youtu.be/VQ4-rVY8iEM You can view our other videos on our YouTube channel: https://www.youtube.com/channel/UCO2p6v9ooIR0OHnCI2oTGng We have created an IPv4 cheat sheet to help. You can download it
The CellStream IPv4 Cheat Sheet Read More »
Post Views: 3,375 Check out our IPv6 Cheat Sheet! All the important IPv6 References in one place. This is vital to anyone learning IPv6. We have created an IPv6 cheat sheet to help. You can download it here! I hope you find this article and its content helpful. If you would like to help support
The CellStream IPv6 Cheat Sheet Read More »
Post Views: 1,206 Hello! We have created an IPv6 OS Command cheat sheet to help. You can download it here! IPv6 has been in an ongoing growth curve as it transforms the Internet. There is a lot to learn, and hopefully this cheat sheet will serve as a great reference. As you learn IPv6 you will
The CellStream IPv6 OS Command Cheat Sheet Read More »
Post Views: 2,198 Quite often in Linux and other operating systems such as MAC OSx or Unix or Solaris, you need to use an editor called Vi or VIM. This cheat sheet comes in very handy for this editor. You can download it here! I hope you find this article and its content helpful. Comments are
The CellStream Vi/VIM Cheat Sheet Read More »
Post Views: 2,413 Teredo Tunnels are a way to create a tunnel between two IPv6 end points (your computer and a web server) across the IPv4 network (your home or business and the Internet). In Windows 7 (and I believe Vista as well) you do not have to worry about using this if your home
Setting Up an IPv6 Teredo Tunnel in Windows 7 Read More »
Post Views: 1,557 In this article we will discuss setting up and ISATAP (Intra-Site Automatic Tunnel Addressing Protocol) Tunneling in your Windows 7 machine. In order to do this, we will use an ISATAP Server at Sanjiang University in China. Everything is good to go. Your ISATAP Tunnel is running. To remove the ISATAP config,
Setting up an IPv6 ISATAP Tunnel in Windows 7 Read More »
Post Views: 1,208 Before I start, a couple of warnings. Make sure you are running one of the latest (10.x or 11.x) versions of Ubuntu Server. You can get this from the Ubuntu Web Site. Also make sure you have installed on the latest updates to your system. The procedure I have noted is done
Setting up A Web Server in Ubuntu Server 10.x and greater Read More »
Post Views: 1,247 This is really simple.We have chosen OpenSSH as the best software for the job. Begin by opening a Terminal Window on the server. Enter the following command to install OpenSHH:sudo apt-get install openssh-server Done! To test that it’s working, you can try to ssh into the server: ssh localhost You will be
Setting up a SSH Server in Ubuntu Server 10.x and above Read More »
Post Views: 1,695 Check out these great references as well: Our custom profiles repository for Wireshark Our Udemy course on Wireshark Our Udemy course on Wireless Packet capture Perhaps…. Wireshark uses a custom syntax to create display filters. There are millions of possibilities, but here is perhaps a top 10 list. If you are looking
Perhaps a top 10 Wireshark Display Filter List Read More »
Post Views: 1,405 Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6 classes at the Online School The following is a list of IPv6 operations and their associated How To links for Ubuntu. Please feel free to comment on additional links that others can
Links to Ubuntu IPv6 How To’s Read More »
