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NetworkGeekStuff

"The network is vast and infinite" – Motoko Kusanagi

  • Networking
    • Theory
    • SDN
      • Nuage / HP Distributed Cloud Networking
    • HP Networking
    • Home Networking
    • Firewalls
    • Cisco
    • Theory Notes
    • CCIE
  • Cloud
    • Linux
    • Windows
    • All Cloud Related …
  • Hobby
    • Models
    • Games
  • Projects
    • Ping on You!
    • NetworkGeekStuff
    • Network Visualization
    • HelloRoute
    • AI and Computer Vision

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Introducing NETWORKGEEKTOOLS.COM

Teaching Your AI Assistant to See – Extending RAG with Image Understanding

Making AI accessing your personal work notes using RAG mechanism to be your work assistant

Cisco Networking with AI

Using an AI Agent to Inspect, Configure, and Troubleshoot a Cisco Network Lab Setup

Cisco + ContainerLabs.dev thumbnail image

Containerlab.dev: Quick Network Lab Setup Using Cisco IOL Containers

Network Topology Visualization #4 – Interactive Map Using D3 Javascript Library

vmWare vRealize Automation (with embedded vRO) – Full Example of Custom Resources for Executing Ansible Playbooks from Blueprints

visualization3_thumbnails

Network Topology Visualization #3 – Exploring other D3 visualization options for a DataCenter

Mischief-Makers LLDP map

[mini-update] Network Topology Visualization #2 – Using SNMP as data source and enhanced visuals

Autopilot for Elite Dangerous using OpenCV and thoughts on CV enabled bots in visual-to-keyboard loop

Network Topology Visualization – Example of Using LLDP Neighborships, NETCONF and little Python/Javascript

NETCONF tutorial thumbnail

HP Networking/Comware NETCONF interface quick tutorial (using python’s ncclient and pyhpecw7)

[minipost] Protecting SSH on Mikrotik with 3-strike SSH ban using only firewall rules

Example of private VLAN isolation across Virtual and Physical servers using ESX/dvSwitch and HP Networking Comware switches

HPE’s DCN / Nuage SDN – Part 3 – REST API introduction

[minipost] Capturing bidirectional traffic of virtual machine (VMs) on vmWare ESX 6.x

HPE’s DCN / Nuage SDN – Part 2 – First Steps Creating Virtual/Overlay Customer Network

HPE’s DCN / Nuage SDN – Part 1 – Introduction and LAB Installation Tutorial

Tutorial for small Hadoop cloud cluster LAB using virtual machines and compiling/running first “Hello World” Map-Reduce example project

[minipost]Quick LAB/config example for IPv6 BGP between HP Networking Comware v5 andCisco

[minipost] Windows partition editing with diskpart

Checkpoint Firewall CLI tool “dbedit” and quick lab examples

Soviet Mi-24V Hind E, 1/72 scale

Tutorial for creating first external SDN application for HP SDN VAN controller – Part 3/3: “Node Cutter” SDN application in perl with web interface

Category: Home Networking

[minipost] Protecting SSH on Mikrotik with 3-strike SSH ban using only firewall rules

[minipost] Protecting SSH on Mikrotik with 3-strike SSH ban using only firewall rules

Peter Havrila September 9, 2017
Home Networking Networking

After working with Mikrotik / RouterBoard routers for a long time, I recently needed to replace an aging old wifi router at my parents and the recent brand of very … Read More

[minipost] Capturing bidirectional traffic of virtual machine (VMs) on vmWare ESX 6.x

[minipost] Capturing bidirectional traffic of virtual machine (VMs) on vmWare ESX 6.x

Peter Havrila December 10, 2016
Home Networking Networking SDN

Here I was getting a trouble with communication between an ESX virtual machine and the nearby switch (Nuage/DCN controller VM talking with a VTEP switch if someone is interested) and … Read More

1 Comment on [minipost] Capturing bidirectional traffic of virtual machine (VMs) on vmWare ESX 6.x
[minipost] Mikrotik/RouterBoard port-knocking example for firewall/NAT openings

[minipost] Mikrotik/RouterBoard port-knocking example for firewall/NAT openings

Peter Havrila June 9, 2014
Home Networking Networking

The situation is very simple, you are away from home (imagine visiting a friend or being at work), but you desperately would like to access your internal LAN FTP/Samba/etc… , … Read More

How to create custom Linux Wi-Fi regulatory database to unlock 30db/1000mW

How to create custom Linux Wi-Fi regulatory database to unlock 30db/1000mW

Peter Havrila September 10, 2013
Home Networking Linux Networking

There are two protections that your Wi-Fi has to limit it’s maximum power output to a legal value (100mW for example). First is the Wi-Fi interface internal HW limit. But … Read More

11 Comments on How to create custom Linux Wi-Fi regulatory database to unlock 30db/1000mW
[minipost] Mikrotik scripting: Monitoring interface IP for changes

[minipost] Mikrotik scripting: Monitoring interface IP for changes

Peter Havrila August 15, 2013
Home Networking Networking

On my home network (that you might have noticed in older articles), I own a very nice Mikrotik/RoaterBoard RB450 router. I have an external public IP address that I recieve … Read More

3 Comments on [minipost] Mikrotik scripting: Monitoring interface IP for changes
Playing with other people Wi-Fi part 2: WPS, the “backdoor” to WPA

Playing with other people Wi-Fi part 2: WPS, the “backdoor” to WPA

Peter Havrila July 23, 2013
Home Networking Linux Networking Theory

In the previous post here, I quickly showed the historical protection mechanism called WEP, its weaknesses and how to quickly crack it. The practical result of that problem is that … Read More

2 Comments on Playing with other people Wi-Fi part 2: WPS, the “backdoor” to WPA
Playing with other people Wi-Fi part 1: The good old “WEP”

Playing with other people Wi-Fi part 1: The good old “WEP”

Peter Havrila July 17, 2013
Home Networking Linux Networking Theory

Many of us own a Wi-Fi network at home. It is great, convenient and no cables! When this technology first came to existence there were several competitors available as well … Read More

[minipost] Mikrotik QoS Prioritization Example

[minipost] Mikrotik QoS Prioritization Example

Peter Havrila January 3, 2013
Home Networking NetworkGeekStuff Networking

If you ever hosted any internet service at home and/or had some network application using your Internet connection upload and disturbing your other activities, one very common example (but not … Read More

6 Comments on [minipost] Mikrotik QoS Prioritization Example
Master-Master replication of Apache/MySQL tutorial with configuration example

Master-Master replication of Apache/MySQL tutorial with configuration example

Peter Havrila December 1, 2012
Home Networking Linux NetworkGeekStuff Networking

In this article, I will show you how to create a redundant Apache/MySQL cluster. I personally used this on two Raspberry PI to had them in redundancy and have load-balanced … Read More

1 Comment on Master-Master replication of Apache/MySQL tutorial with configuration example
Load-Balancing network traffic on Mikrotik router tutorial with example configuration

Load-Balancing network traffic on Mikrotik router tutorial with example configuration

Peter Havrila December 1, 2012
Home Networking NetworkGeekStuff Networking

This is first part of a tutorial how to achieve load-balancing of a service on two servers. In this part we will focus on the network side and I will … Read More

2 Comments on Load-Balancing network traffic on Mikrotik router tutorial with example configuration
NetworkGeekStuff.com running load-balanced on two Raspberry PIs!

NetworkGeekStuff.com running load-balanced on two Raspberry PIs!

Peter Havrila November 26, 2012
Home Networking NetworkGeekStuff Networking Projects

And yes, complete tutorial for web/MySQL event driven synchronization for Master-Master replication without conflicts coming soon! I will also include a guide how to turn your home Mikrotik router on … Read More

2 Comments on NetworkGeekStuff.com running load-balanced on two Raspberry PIs!
Access your home LAN securely via Internet from iPhone/iPad

Access your home LAN securely via Internet from iPhone/iPad

Peter Havrila October 11, 2012
Home Networking Networking

Long story short, I am a heavy and very happy both iPhone/iPad and  Mikrotik/RouterBoard home router user for about five years now and in this quick how-to I will show … Read More

1 Comment on Access your home LAN securely via Internet from iPhone/iPad
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Archive

10 Latest Articles

  • Introducing NETWORKGEEKTOOLS.COM February 18, 2026
  • Teaching Your AI Assistant to See – Extending RAG with Image Understanding February 2, 2026
  • Making AI accessing your personal work notes using RAG mechanism to be your work assistant January 31, 2026
  • Using an AI Agent to Inspect, Configure, and Troubleshoot a Cisco Network Lab Setup January 11, 2026
  • Containerlab.dev: Quick Network Lab Setup Using Cisco IOL Containers January 3, 2026
  • Network Topology Visualization #4 – Interactive Map Using D3 Javascript Library May 20, 2025
  • vmWare vRealize Automation (with embedded vRO) – Full Example of Custom Resources for Executing Ansible Playbooks from Blueprints October 26, 2021
  • Network Topology Visualization #3 – Exploring other D3 visualization options for a DataCenter July 11, 2021
  • [mini-update] Network Topology Visualization #2 – Using SNMP as data source and enhanced visuals September 17, 2019
  • Autopilot for Elite Dangerous using OpenCV and thoughts on CV enabled bots in visual-to-keyboard loop August 11, 2018
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