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[mini-update] Network Topology Visualization #2 – Using SNMP as data source and enhanced visuals
After a longer break, I managed to get back to my small visualization experiment from last time, and improve it a little. Firstly, the NETCONF interface was switched for a […]
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Autopilot for Elite Dangerous using OpenCV and thoughts on CV enabled bots in visual-to-keyboard loop
Ok, first let’s get one thing clear. This is an educational project for me learning some computer vision algorithms (I want to make an insect identification system to protect a […]
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Network Topology Visualization – Example of Using LLDP Neighborships, NETCONF and little Python/Javascript
Ok, this is a continuation of two streams of articles here, first my recent NETCONF tutorial here, and secondly my very old project (back then in Java) of visualization of […]
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HP Networking/Comware NETCONF interface quick tutorial (using python’s ncclient and pyhpecw7)
So let’s learn about NETCONF, but first a bit of history and perspective. Everyone in networking business at least once heard about SNMP (Simple Network Management Protocol), which is the […]
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[minipost] Protecting SSH on Mikrotik with 3-strike SSH ban using only firewall rules
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 […]
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Example of private VLAN isolation across Virtual and Physical servers using ESX/dvSwitch and HP Networking Comware switches
The target was simple, we have an internal cloud datacenter at work that provides users and customers both virtual machines and physical machines. Each machine has to network interface cards […]
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HPE’s DCN / Nuage SDN – Part 3 – REST API introduction
REST-full API, the new trendy bandwagon of cloud automation and SDN due to its simplicity and universal compatibility. TI is essentially a http transfer protocol with JSON payload. And if […]
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[minipost] Capturing bidirectional traffic of virtual machine (VMs) on vmWare ESX 6.x
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 […]
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HPE’s DCN / Nuage SDN – Part 2 – First Steps Creating Virtual/Overlay Customer Network
In the previous part 1, we have installed basic HPE DCN system on a group of ESXi hosts. But we didn’t actually done anything inside it, so lets fix this […]
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HPE’s DCN / Nuage SDN – Part 1 – Introduction and LAB Installation Tutorial
Nuage Networks is a spinoff from Alcatel-Lucent (now under Nokia as they acquisition Alcatel recently) and also a name of software defined network (SDN) overlay solution for datacenters and direct […]
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Tutorial for small Hadoop cloud cluster LAB using virtual machines and compiling/running first “Hello World” Map-Reduce example project
I had Hadoop experience now for more than a year, thanks to a great series of Cloud Computing courses on Coursera.org, now after ~6 months of running via several cloud […]
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Ping on you! – Beta 2.0 is online
Nicer, more stable, AJAX/JSON enabled pingonyou.com and also preparations in background to introduce the 24/7 Monitoring feature. So here we are. First a bit of short history, if you have […]
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[minipost]Quick LAB/config example for IPv6 BGP between HP Networking Comware v5 andCisco
A small lab showing basic configuration of BGP between Cisco and HP (Comware v5). This is just something small we deploying recently, there is nothing grand here, only a minor […]
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Ping on You! – small weekend web/CGI project
After a few previous web programming endeavors (both here on networkgeekstuff.com with SDN programming and in real life job) I had a taste to develop “something” and since I am […]
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[minipost] Windows partition editing with diskpart
This will really be a micro-post as I only want to document this for my benefit. This is a way how to change partition table for disks, or USB sticks. […]
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Checkpoint Firewall CLI tool “dbedit” and quick lab examples
In this article, I am going to give you a quick guide how to run a single checkpoint FW as virtual machine quickly on your notebook and then super-quick introduction […]
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Tutorial for creating first external SDN application for HP SDN VAN controller – Part 3/3: “Node Cutter” SDN application in perl with web interface
In this tutorial series, I will show you by example, how to build your first external REST API based SDN application for HP SDN VAN controller, with web interface for […]
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Tutorial for creating first external SDN application for HP SDN VAN controller – Part 2/3: Influencing Flows via cURL commands
In this tutorial series, I will show you by example, how to build your first external REST API based SDN application for HP SDN VAN controller, with web interface for […]
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Tutorial for creating first external SDN application for HP SDN VAN controller – Part 1/3: LAB creation and REST API introduction
In this tutorial series, I will show you by example, how to build your first external REST API based SDN application for HP SDN VAN controller, with web interface for […]
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Tutorial: Email server for a small company – including IMAP for mobiles, SPF and DKIM
A few months back my wife started a small business. Of course I was the one to build the “IT stuff” here that included a website, some reservation system on […]
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Eycalyptus – cloud introduction and auto-scaling tutorial
In this article, I will show how to do a very simple auto-scaling system on eucalyptus cloud using the wonderful eucalyptus fast start image. Afterwards you will appreciate how easy […]
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Introduction and LAB tutorial of HP Helion Community Edition, the OpenStack based “cloud” system that can give you a personal cloud!
Hewlett-Packard (HP) is a long enterprise supporter of cloud technologies and early this year, they released publicly HP Helion Community Edition (CE). HP Helion is HP’s OpenStack based cloud system […]
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