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Purpose of this site

Why? This site was created so I could document and share some of the tidbits I have discovered over the years. Feel free to use this information as you see fit. Where I have copied sections from a...

Installing and Configuring DNSMasq

DNSMasq (dnsmasq) is a wonderful package that combines a DHCP server and a DNS server in one package. All of the configuration is done in one configuration file. Installation: sudo dnf update -y s...

Putting resource limits on your Kubernetes Pods

CPU and memory resource memory limits can be applied to pods in deployments (and on namespaces). Doesn’t look like a rock-hard limit; exceeding the limits may be allowed for short-term cases. …...

Using Persistent Storage with Kubernetes (using hostPath)

Using persistent storage allows the pods to share storage. The example below will mount “/var/data” into each pod at “/usr/share/nginx/html”. /var/data will be created on each node if it does n...

Using Persistent Storage with Kubernetes (using NFS directly)

Using persistent storage allows the pods to share storage. The example below will mount NFS storage at “192.168.1.20:/mnt/tank/nfs”. The pod will make a claim to that NFS storage and mount it into ...

Adding the EPEL repo to Image Builder

The EPEL repository URL suitable for Image Builder seems to be very hard to find. In the RHEL Cockpit program (https://ip_address:9090/), click on Image Builder and Manage Sources. Add a yum repos...

Installing Image Builder on a RHEL 8 or 9 system

You can use image builder to create customized system images of RHEL, including system images prepared for deployment on cloud platforms. Image builder automatically handles the setup details fo...

Creating an Image Builder image

Creating an image has two parts: A Blueprint and an image. The Blueprint could be considered a upper level folder for the images you will create. In Cockpit, click on Image Builder and then “Cr...

Proxmox notes

Random Notes Have name and ip address decided before install. May not change afterwards. Cluster mistakes are hard to recover from. Storage is located at /mnt/pve qcow2 VMs - Snapshots are...

A PowerShell script to create many new VMware VMs

This script will create one or more inventory items aka a virtual machines using PowerShell. It connects an ISO image and defines all of the hardware. It does not install the OS. This script requi...