Nutanix
Over the years, Nutanix has made several changes in the way it handles node hostnames. Thankfully, as of 5.20 a simplified command line tool was added to change AHV hostnames. nutanix@CVM:~$ change_ahv_hostname --host_ip=10.10.10.10 --host_name=AHV-HOSTNAME The hostname must follow naming
Nutanix
> VM high availability (VMHA) ensures that VMs restart on another AHV host in the cluster if a host fails. - Nutanix When deploying Nutanix AHV, you may notice the availability status in Prism Element is configured as Best Effort. When a host fails, the VM's will attempt
Nutanix
> Cisco Identity Services Engine (ISE) is a next-generation identity and access control policy platform that enables enterprises to enforce compliance, enhance infrastructure security, and streamline their service operations. - Cisco While running Cisco ISE on Nutanix is not officially supported by Cisco, it is possible with a few simple
AHV
Recently I had a requirement to use a legacy E1000 NIC on an AHV VM. Unfortunately, there is no way to choose what type of NIC a VM uses in the prism web UI. The good news is you can add an E1000 via a simple ACLI command from any
Nutanix
Creating an image on Nutanix AHV can be challenging, so I have created a guide to simplify the process. 1. Identify the VM name of what you will be creating an image of. Ensure the VM is shutdown and in the off state. You will also need the name on
Nutanix
How to get the version of AHV via command line.
Nutanix
Replacing nics on Nutanix AHV.
Nutanix
You may find yourself in a situation where you have been locked out of interactive login on the root account of your AHV node. The good news is, assuming you have access to your cvm, you should still be able to ssh into the node. Nutanix stores keys to allow
AHV
You may run across an issue when changing your AHV password to a previously set password. While it's not best practice, there may be a edge case where you need to reconfigure that same password. [admin@linux ~]$ passwd Changing password for user admin. Changing password for admin. (current)
Nutanix
One of the first discoveries I made with AHV was the impersonation functionality. I came across this as we began deploying qcow images for Infoblox. Infoblox noted in their documentation that some acli commands were required to be applied to the vm's. So what does this even mean?
Nutanix
This may be my favorite post yet. There will come a time when you need to shutdown your cvm and AHV node.
Nutanix
Using Maintenance mode on Nutanix AHV clusters.