Creating a Website Redirect with AWS S3, Cloudfront and Route53
Create a website redirect with AWS using S3, Cloudfront and route53.
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Celina Downtown Public Wifi
Our journey to building a robust, high speed public wifi network in downtown Celina, Texas.
Configuring Arista AGNI with Meraki Access Points
A high-level configuration guide for integration AGNI with Meraki AP's using RadSec and MAC based authentication.
Connectivity
Connectivity in local government and municipalities has always been challenging. Historically there is a single LEC (local exchange carrier) that provides all the services.
Ransomware: A Tale of Recovery
Lessons and takeaways from ransomware response. My experience assisting the recovery efforts of a rural community.
2022
A post about my transition to Enterprise Architect at the City of Celina. I explore how to create an IT infrastructure for a growing city.
Converged Access Control and IAM
Discovering converged access using HID RFID and NFC cards for Windows 10 logon and authentication.
Azure AD Hybrid FIDO2 Security Key Sign-in
A short version of using an Azure AD hybrid with security keys and group policy for Windows 10 logon.
Yubikey (FIDO2) and Okta Gotcha!
This security key doesn't look familiar. Please try a different one. Using Yubikeys with Okta Custom URLs and IWA Single Sign on.
Migrating Nutanix Files
Today, we will be Migrating Nutanix Files using Data Protection and simulating a site failover using the built in Nutanix DR tools for Files. This guide is broken down into 3 sections for logical separation, Prep Work, Initial Replication, and Cutover. Prep Work 1. Document Client Side and Server side
Server NIC reverts to DHCP
I recently came across a strange issue with a Windows Server 2012 R2 system. Whenever the ethernet properties were configured with a static ipv4 address, the machine would revert back to Obtain an IP address automatically. Frustrating to say the least, although, I did get better at remembering the IP
Changing AHV Hostname
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
Uninstalling PTagent from Dell ESX nodes
I recently came across an issue that required PTagent to be removed from a couple of Dell XC Nutanix nodes. Thankfully, the removal is fairly straight forward. Connect to your ESX shell and run the following command. [root@esx:~] esxcli software vib remove -n dellptagent Removal Result Message: Operation finished
Rubrik
Rubrik Ping & Traceroute
The following are a couple of commands to aid in troubleshooting networking issues using Rubrik CLI. For ping, run the following command from the Rubrik CLI. RVM0000000000 >> network ping 8.8.8.8 To traceroute, run the following command. Rubrik utilizes MTR instead of traceroute. RVM0000000000 >>
Nutanix
AHV VM High Availability Reservations
> 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) on Nutanix AHV
> 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
Security
Configuring Microsoft LAPs
a detailed guide on how to configure Microsoft laps to rotate machine passwords in active directory.
AHV
Creating AHV VM's with E1000 NICs
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
Security
Ransom on Hyper-V Nutanix Cluster
Last year, I was engaged to assist in a severe ransomeware event for a third party organization. Unfortunately, when I arrived most of the network had been impacted and the data was encrypted. At the onset of the infection, the organization decided to shutdown all servers on the network. Shutting
Nutanix
Creating an Image on AHV
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
Deleting Users from Prism Central
Deleting users from Prism Central can become challenging at times. I recently came across a scenario in which trying to remove a user didn't work. Removing a user via Prism Central CLI: 1. Connect to the Prism Central cluster IP via SSH, and run: nuclei user.list nutanix@
Security
Lessons from a Ransomware Response
When responding to a major event, there are a few simple things that we can do to prepare for a response.
Nutanix
Nutanix Leap vs Xi Leap
Nutanix Xi Leap Nutanix introduced Xi Leap a couple of years ago to bring disaster recovery to any Nutanix cluster. Xi Leap allows customers to connect their clusters and begin replicating with a Nutanix cluster hosted in the cloud and operated by Nutanix. Nutanix Leap Nutanix leap is the expansion
Nutanix
Prism Central Image Placement Polices
When managing multiple Nutanix AHV clusters, image management will become quickly become a top priority. How do we maintain a multitude of images across multiple clusters? Thankfully, with Prism Central, we can configure polices that will replicate images across your clusters. This is a down and dirty guide to configuring