Using Runecast to fix missing NIC in ESXi

The problem In my homelab I’m using a server which contains both Gigabit and 10GbE NICs. When I first deployed ESXi version 7.0U1 the list of devices looked like this.

In this system the Mellanox isn’t connected to a switch (yet). So I didn’t notice this straight away. But …

In-place upgrade of 2012R2 DCs to 2019

Although this blog is mosty centered arount VMware related topics I sometimes find myself presented with other challenges in the field. In this case I needed to upgrade a couple of Windows domain controllers to Windows Server 2019. However because the existing servers were bare metal and I had no …

Windows shows unspecified MediaType with VMware Workstation

Lately I’ve been running some Storage Spaces Direct labs on VMware workstation. Part of doing labs means testing things until something breaks and as a countermeasure I tend to create snapshots frequently. Now this led me to an issue that I haven’t seen anyone write about online. It turns out …

Using localcli on ESXi for troubleshooting

Just a small ESXi Pro tip this time. I recently had a host that was experiencing issues and the management services were unresponsive. This is a major problem for troubleshooting as the esxcli commandset won’t work anymore at this stage. Now by accident I came across a tip from the …

Transform your server into a stateless F@h appliance

With the worldwide outbreak of the coronavirus the Folding@home project has seen a massive influx of new users donating their computer’s idle CPU cycles to run simulations of protein dynamics in order to help find treatments for diseases such as coronavirus, cancer, alzheimer’s, and more. The people of VMware were …

Round up virtual hard disk size

Quick post of something I ran into this week. When creating new VMs it makes sense to create disks that have a certain size in GB. But sometimes when migrating workload from one platform to another you might see some funky hard disk sizes like this.

Fixing this for …