Kea, DhcpV6, DDNS, Ubuntu 26, Oh My!


Hello there,

A while back, in a galaxy far away, I had a blog (and related posts) about using the ISC DHCP server.

That setup worked very well. However, the ISC DHCP server has been discontinued.

So it was time to try the Kea DHCP server.

It should be a standard setup, Kea is a modern replacement however, I run into a few quirks and it did not help that I was using the latest Ubuntu server version 26.

Continue reading “Kea, DhcpV6, DDNS, Ubuntu 26, Oh My!”

OpenNebula, Virtual Routers, VXLan, Oh my!

Hello There.

I did create a lab in which I was able to convert a minione server into a 3 node server, with the initial minione server acting as a controller. Eventually I will write how to do that.

This Blog instead is about the travails of configuring Open Nebula and the limitations of Sunstone the GUI. In particular trying to use VXLans and Virtual Routers.

Continue reading “OpenNebula, Virtual Routers, VXLan, Oh my!”

PVE, VLANs, Trunks, Oh My!

Hello there,

I thought I was done with PVE, then I noticed that some users had issues with VLANs, trunks, etc.

In principle it should be fairly straight forward to configure VLANs (not VXLANs) however, using the native Linux way could be a bit complicated sometimes.

OvS on the other hand was created with virtualization in mind and SDN in particular. A key point is that it supports Open Flow and allows for separation of the data plane and control plane.

Understanding and implementing it is easier said that done, so keep on reading.

Continue reading “PVE, VLANs, Trunks, Oh My!”