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My wife says I need a tasteful nude of myself holding a Dremel.
Proxmox, iSCSI, and multipathd
I’m sure all the grey (or gray? I don’t know you pick one) beards out there know all about multipathd and it’s quirks and in and outs. Since a lot of people appear to be looking at other hypervisor solutions these days I decided to put my opinion out there too. You of course don’t…
Linux NVME-TCP shared targets with LVM
I’ve been working on Proxmox the last few months and ran into an issue when using nvme-tcp volumes. I connected multiple hosts to a number of shared volumes. I’ve done this before using a number of different methods such as iscsi or shared managed disks on Azure. All of these just worked. When connecting to…
GPU over IP in AVS
I was working on my VMware Explore 2024 session about networking and needed a demo. You should come and see me at explore at my session or the Hands On Labs. I went through the “normal” things and got one demo done. My session is about networking so a lot of the demos I can…
Start a VMware VM to Safe Mode With Networking Automatically
Been having some internal conversation about the CrowdStrike outages. We needed a way to quickly boot VMs that were affected and allow them to get on the network for easy file deletion and reboots. So some of my colleagues and myself got to work on it. First we needed a way to set the boot…
resxtop on a modern Linux version?
Does anyone still use resxtop? VMware/Broadcom must not think so. The instructions for installation don’t include all the steps necessary for sure. The instructions are located here: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.monitoring.doc/GUID-194D583E-EFDC-44DF-AF3C-625974815766.html This may change as Broadcom updates all the doc pages. But for now it’s correct. The instructions for installation on Ubuntu are: Installing RESXTOP on Linux systems…
VMware netdumper and zdumps
There is a lot of information around about generating VMware zdump files. These files are the way ESXi stores information about a Purple Screen of Death (PSOD). Normally an ESXi host attempts to write these files to disk during a crash. It can also send this file over the network to the vmware-netdumper service. This…
NSX Manager as an Azure VM
Much like running a vCenter Server in an Azure VM I decided to try NSX Manager. Pretty much had the same experience except that NSX reads it’s configuration from a file: /config/guestinfo. This file is a dump from vmtoolsd –cmd “info-get guestinfo”. The file looks something like: Same type of script to build the disks as with vCenter:…
Installing vCenter as an Azure VM
Now I know why you’re thinking. “Kenyon, that’s easy just V2V it.” Or “That’s not supported so don’t do it.” For those of you who don’t know me a story is in order first. I was building a screen porch out of my tiny front porch at my old house. Now we are talking something…
VMware Hands On Labs Vulnerability
A few years ago I found an interesting vulnerability in the VMware Hands On Labs. I reported it and it got fixed but I found out at VMware Explore this year that I can disclose what I found. So 3 or 4 years later here we go. TLDR: outbound connections to any IP from internet…
VMware Disk Access
I’m sure we’ve all used VM backup utilities that allow for access to base VMDKs for backups. There are a couple of way this works. Hotadd just adds a snapshotted disk to a backup proxy and it reads the base disk. You can backup via block or file this way. There are a couple of…
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