Research on multi hypervisor network virtualization using Open Virtual Network Summary The cleanest technical path is not to bolt a foreign br-int onto a host that already has its networking lifecycle owned by XAPI. The safer pattern is to let…
Read more OVN Integration & Coexistence on Xenserver and XCP-ng →
How to Get Real Public IP Addresses at your Home Lab: WireGuard IP Transit Complete Guide
A Complete Guide to why Core Transit’s WireGuard IP Transit Service is so incredibly awesome for you lab Bypassing CG-NAT with style – a detailed technical walkthrough The Problem: CG-NAT Hell If you’re reading this, you probably know the pain.…
Read more How to Get Real Public IP Addresses at your Home Lab: WireGuard IP Transit Complete Guide →
Automating VMware Network Changes: How I Turned Hours of Clicking into a 5-Minute PowerCLI Script
Have you ever stared down the barrel of endless repetitive clicks in VMware vSphere, knowing you’re in for hours of mindless work? Recently, I faced a scenario where I needed to update hundreds of virtual NICs across just as many…
Read more Automating VMware Network Changes: How I Turned Hours of Clicking into a 5-Minute PowerCLI Script →
How to Fix Openstack Horizon Dashboard on Centos Stream 9 error: InvalidCacheBackendError
If you have recently deployed Openstack Caracal with RDO Packstack you may run into a problem when you first load the Horizon Dashboard. If you get the “Something went wrong” text instead of the regular login page even though Packstack…
Read more How to Fix Openstack Horizon Dashboard on Centos Stream 9 error: InvalidCacheBackendError →
Top 3 Online Resources to Learn Coding
Learn to write your own applications for fun and profit. Here are quality free resources online that I can personally vouch for. I get nothing for suggesting these websites.
Read more Top 3 Online Resources to Learn Coding →
OSPF on Mikrotik RouterOS v7.15.x Notes, Examples, Diagrams
OSPF on Mikrotik RouterOS v7.15.x
Read more OSPF on Mikrotik RouterOS v7.15.x Notes, Examples, Diagrams →
Fix Loud Fans in Dell PowerEdge Servers, Without Taking it Apart!
There are many invasive techniques to lowering your lab server’s decibels. Here is a way to do it… command line style! First, make sure you do this from a Linux server. I used Ubuntu. apt install ipmitool Now you have…
Read more Fix Loud Fans in Dell PowerEdge Servers, Without Taking it Apart! →This is pretty cool.
If you have code on GitHub… A video of GitHub’s extraordinary deep-freeze archiving project has emerged — millions of projects were saved on 02/02/2020 and there’s a good reason why that date was chosen
Read more This is pretty cool. →How to Start or Reboot your Dell Server with iDRAC from the Command Line (CLI)
Dell’s iDRAC (Integrated Dell Remote Access Controller) is a out of band server management card installed on enterprise servers. It lets you manage the server as if you were physically present at the remote location of your server(s). Along with…
Read more How to Start or Reboot your Dell Server with iDRAC from the Command Line (CLI) →How to Configure DNS Resolution in Debian Server
Edit the resolv.conf file. The file path is /etc/resolv.conf Add your name server to the file by adding: “nameserver x.x.x.x” where x.x.x.x is the IPv4 address of the name server you want to use. Skip to the bottom to copy…
Read more How to Configure DNS Resolution in Debian Server →How to edit files in WinSCP
If you are using a ssh key and having trouble becoming root after loging into WinSCP, this is the answer: In connection settings Click AdvancedUnder Environment select SCP/ShellIn shell value enter the command to elevateSave the configuration.
Read more How to edit files in WinSCP →VMWARE ESXi 8.0 doesn’t recognize network card when run nested in KVM. Here is the solution
In QEMU version 4.1.0 Options add: -net nic, model-e1000e
Read more VMWARE ESXi 8.0 doesn’t recognize network card when run nested in KVM. Here is the solution →The Dynamic Infrastructure Dilemma
I have about 10 servers, several routers, and 5 enterprise and open switches. I want to rewire all of these things in different configurations frequently. I also want to change the hypervisors that run on the 10 servers. i want…
Read more The Dynamic Infrastructure Dilemma →Restarting Microstack after a Reboot
In order to restart all service and be able to login, use: sudo snap start microstack
Read more Restarting Microstack after a Reboot →Microstack Openstack Image Service
How to add Image to Glance For the impatient: Microstack is admittedly not my favorite way to deploy openstack, probably because it takes some getting used to. Running openstack services in isolated containers makes things more secure, easier to deploy,…
Read more Microstack Openstack Image Service →How to Manually Remove VMware NSX-T Components from an ESXi Host
A lab is very dynamic by nature. In stark contrast, data center infrastructure is engineered to be as static as possible once it is configured. So naturally when you have a data center lab you it’s only a matter of…
Read more How to Manually Remove VMware NSX-T Components from an ESXi Host →How to install ZeroTier on QNAP QTS 5.0.1.xxx
Download package from: https://download.zerotier.com/dist/qnap/ zerotier_1.10.1_x86_64.qpkg Use WinSCP to move the file onto the NAS Install QVPN from the APP Center within QNAP SSH into the nas to the directory where you put the file with WinSCP install it with this…
Read more How to install ZeroTier on QNAP QTS 5.0.1.xxx →Quick Notes on Creating Static VXLAN vtep on Dell EMC Network OS9.14
Both VLT peers should be configured with the same local VTEP IP address. One would complete the usual VLT config on both peers. An identical loopback IP will be configured on both peers, to serve as the Anycast IP.Other than…
Read more Quick Notes on Creating Static VXLAN vtep on Dell EMC Network OS9.14 →Install Openswitch OPX on Debian 9 Server for testing
Add this repo to /etc/apt/sources.list Now run: You will receive an error like this: “The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 5EF20F34AD2074F “ Copy the characters after NO_PUBKEY from the last command and…
Read more Install Openswitch OPX on Debian 9 Server for testing →Install FRRouting in Openswitch OPX Debian 9 (stretch) Server
Debian 9 server poses a few issues that do not allow FRR to be easily installed. Here are the steps to easily install the routing package. to activate the FRR shell type “sudo vtysh” -Carmine Bufano
Read more Install FRRouting in Openswitch OPX Debian 9 (stretch) Server →
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