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"The network is vast and infinite" – Motoko Kusanagi

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kokotina

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

Pingonyou.com - Beta 2.0 is alive!

Ping on you! – Beta 2.0 is online

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

Ping on You! – small weekend web/CGI project

[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

Tutorial for creating first external SDN application for HP SDN VAN controller – Part 2/3: Influencing Flows via cURL commands

Tutorial for creating first external SDN application for HP SDN VAN controller – Part 1/3: LAB creation and REST API introduction

email tutorial Thumbnail

Tutorial: Email server for a small company – including IMAP for mobiles, SPF and DKIM

Eycalyptus – cloud introduction and auto-scaling tutorial

Introduction and LAB tutorial of HP Helion Community Edition, the OpenStack based “cloud” system that can give you a personal cloud!

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

MULTIHOMING - a complete step-by-step guide [Download eBook] Advertisment
[minipost] How to fix MySQL lost table description from .frm files after emergency migration of /var/lib/mysql

[minipost] How to fix MySQL lost table description from .frm files after emergency migration of /var/lib/mysql

Peter Havrila June 3, 2014
Linux NetworkGeekStuff

In May 2014, networkgeekstuff.com got a small problem when the hosting BeagleBone Black went dead and the old Raspberry PI environment was on that point already used for another project. … Read More

1 Comment on [minipost] How to fix MySQL lost table description from .frm files after emergency migration of /var/lib/mysql
Slovak Air Force MiG-29 with 2008 Digital Camoflage, 1/48

Slovak Air Force MiG-29 with 2008 Digital Camoflage, 1/48

Peter Havrila March 4, 2014
Hobby Models

I am failing to find words to describe this very beautiful 1/48 scale model, but this one is simply very special for me. First reason is that as a Slovak … Read More

Playing with the new HP SDN Controller – including getting started guide with Open vSwitch in GNS3

Playing with the new HP SDN Controller – including getting started guide with Open vSwitch in GNS3

Peter Havrila January 1, 2014
HP Networking Networking

So, HP has made one if its significant moves last November (2013) with the first public release of their OpenFlow based SDN VAN Controller 2.0. And because you can download … Read More

20 Comments on Playing with the new HP SDN Controller – including getting started guide with Open vSwitch in GNS3
Nexus 7k – Getting Started Examples – Part1 (basics, VDC and vPC)

Nexus 7k – Getting Started Examples – Part1 (basics, VDC and vPC)

Peter Havrila December 19, 2013
Cisco Networking

So I finally had a project with Cisco Nexus switches to finally get hands on experience on these boxes. I am no longer a fanboy of Cisco, so just practically, … Read More

4 Comments on Nexus 7k – Getting Started Examples – Part1 (basics, VDC and vPC)
[minipost] Create a loopback hard-drive partition inside a file in linux

[minipost] Create a loopback hard-drive partition inside a file in linux

Peter Havrila December 18, 2013
Linux

This article is really just a quick documentation for something that I do almost each year, and each year I must google-search how I did the last time. So from … Read More

ArmA2 CWR2 mod: Winter Kolgujev + Malden Domination with Xmas extras

ArmA2 CWR2 mod: Winter Kolgujev + Malden Domination with Xmas extras

Peter Havrila December 18, 2013
Games Hobby

Last year, I released quickly one nice modification to my custom Malden CWR2 Domination and despite being only announced really only on this blog and to few of my friends … Read More

BeagleBone Black replaced Raspberry PI running networkgeekstuff.com (and performance reasons review)

BeagleBone Black replaced Raspberry PI running networkgeekstuff.com (and performance reasons review)

Peter Havrila November 19, 2013
Linux NetworkGeekStuff Networking Projects

With Raspberry PI, a very great microPC platform that started a trend of its own with two million RasberyPIs sold, a new market has emerged calling for microPC segment companies to compete. … Read More

Revell F-104G Starfighter 1/48

Revell F-104G Starfighter 1/48

Peter Havrila November 1, 2013
Hobby Models

Ok, this time there is something special, this is my first model where I used an air brush. As a complete beginner I got the Revell AirBrush starter kit as … Read More

Revell LEOPARD 2A6 tank model 1:72

Revell LEOPARD 2A6 tank model 1:72

Peter Havrila September 26, 2013
Hobby Models

Dear readers (and picture searchers), because I am again buried under a pile of work for my employer, no technical article will be released this month. But as work is … Read More

ArmA2 Domination – co-op with all @DLCs on SMD or CAA1 Sahrani

ArmA2 Domination – co-op with all @DLCs on SMD or CAA1 Sahrani

Peter Havrila September 10, 2013
Games Hobby

Ok, just a quick public release of something I have been porting almost half a year ago but forgot to finish until recently. In one release a few months ago, … Read More

3 Comments on ArmA2 Domination – co-op with all @DLCs on SMD or CAA1 Sahrani
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

Configuring MPLS L3 VPN on IOS XR

Configuring MPLS L3 VPN on IOS XR

Peter Havrila May 13, 2013
Cisco Networking

MPLS L3 VPN are a common standard in every bigger ISP or Datacenter for many years now and most of us know the basic principles and have experience configuring this … Read More

2 Comments on Configuring MPLS L3 VPN on IOS XR
[minipost] Coursera.org, the free and online way to learn on a colledge level?

[minipost] Coursera.org, the free and online way to learn on a colledge level?

Peter Havrila April 30, 2013
Networking Theory

When Wikipedia became mainstream, everyone was talking about revolution in knowledge and overall transformation of access to information for free to everyone. And indeed this was revolutionary, Wikipedia today hold … Read More

2 Comments on [minipost] Coursera.org, the free and online way to learn on a colledge level?
Revell T-80B model 1/72

Revell T-80B model 1/72

Peter Havrila February 11, 2013
Hobby Models

Nothing useful will probably be posted this month as I am buried under a lot of work and cannot stand also doing networking stuff at home right now. But at … Read More

Cisco IOS XR – Complete Getting Started Examples Guide, Part 2/2

Cisco IOS XR – Complete Getting Started Examples Guide, Part 2/2

Peter Havrila January 8, 2013
Cisco Networking

Following previous part 1 article of this IOS XR guide that presented basic examples for IOS XR on most CCNA level technologies, this post will continue and give the basics … Read More

6 Comments on Cisco IOS XR – Complete Getting Started Examples Guide, Part 2/2
[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
Zvezda Sukhoi Su-25 “Frogfoot” model

Zvezda Sukhoi Su-25 “Frogfoot” model

Peter Havrila December 19, 2012
Hobby Models

The Sukhoi Su-25 (NATO reporting name: “Frogfoot“) is a single-seat, twin-engine jet aircraft developed in the Soviet Union by the Sukhoi Design Bureau. It was designed to provide close air … Read More

X-mas Malden edition of CWR2 ArmA Domination

X-mas Malden edition of CWR2 ArmA Domination

Peter Havrila December 3, 2012
Games Hobby

To start the true Christmas atmosphere, let’s start with a classical Xmas Carol! Then I will show you my new Xmas themed variation on the Malden CWR2 Domination mission for … Read More

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!

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Archive

10 Latest Articles

  • [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
  • Network Topology Visualization – Example of Using LLDP Neighborships, NETCONF and little Python/Javascript December 12, 2017
  • HP Networking/Comware NETCONF interface quick tutorial (using python’s ncclient and pyhpecw7) December 11, 2017
  • [minipost] Protecting SSH on Mikrotik with 3-strike SSH ban using only firewall rules September 9, 2017
  • Example of private VLAN isolation across Virtual and Physical servers using ESX/dvSwitch and HP Networking Comware switches May 26, 2017
  • HPE’s DCN / Nuage SDN – Part 3 – REST API introduction December 26, 2016
  • [minipost] Capturing bidirectional traffic of virtual machine (VMs) on vmWare ESX 6.x December 10, 2016
  • HPE’s DCN / Nuage SDN – Part 2 – First Steps Creating Virtual/Overlay Customer Network September 23, 2016
  • HPE’s DCN / Nuage SDN – Part 1 – Introduction and LAB Installation Tutorial August 1, 2016
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