How to install ESXi nested inside ProxMox VE
So, one of the tasks I had to complete this past week was: Install an ESXi hypervisor in a virtual machine, on top of a Proxmox VE 4 infrastructure. This post documents the process (since I...
Tagged: Troubleshooting
The process of solving problems systematically.
Recovering data painlessly from a friend’s drive
The other day one of my friends was all gloomy saying that he had lost a 4TB drive due to a PSU power failure, so I offered him my help to try to recover his data....
Ubuntu: how to remove older kernels automatically
Today, for the first time I encountered a strange behaviour on a machine with Ubuntu 15.10 . The problem itself was quite strange and rendered the machine unusable with default boot settings.
Openstack resize instance no valid host was found
Today I had to resize an instance in my OpenStack and noticed that I couldn’t do that because of an error: “No valid host was found. No valid host found for resize (HTTP 400)“. Soon enough...
OpenStack can’t attach cinder volume
Yesterday I was setting up a few things at my home OpenStack server and ran into an ugly problem that took me a while to resolve. I couldn’t attach any volume from the backends I had...
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