dmc5179 / README.md

Last active August 28, 2025 16:14

Repair an OpenShift operator catalog container image in place when permissions are incorrect due to a bad umask setting

Steps to fix a catalog image from a bad umask

Pull down the catalog image

podman pull myregistry.com:8443/redhat/certified-operator-index:v4.18

podman run -ti --entrypoint bash --name newcatalog registry.redhat.io/redhat/certified-operator-index:v4.18

dmc5179 / continue-devworkspace.yaml

Created July 3, 2025 12:24

DevWorkspace with Continue plugin configured

	kind: DevWorkspace
	apiVersion: workspace.devfile.io/v1alpha2
	metadata:
	name: code-latest
	spec:
	started: true
	template:
	attributes:
	.continue/config.json: \|
	{

dmc5179 / netapp-pvc.yaml

Created July 2, 2025 14:20

NetApp Trident Configuration Examples

	kind: PersistentVolumeClaim
	apiVersion: v1
	metadata:
	name: basic-thin-pvc
	spec:
	accessModes:
	- ReadWriteOnce
	resources:
	requests:
	storage: 5Gi

dmc5179 / install-config.yaml

Created June 24, 2025 00:12

OpenShift example install-config.yaml for existing VPCs

	apiVersion: v1
	additionalTrustBundlePolicy: Always
	baseDomain: mydomain.com
	#credentialsMode: Mint
	controlPlane:
	hyperthreading: Enabled
	name: master
	platform:
	aws:
	# zones: # typically derived from the subnets listed later in the file

dmc5179 / ols-config.yaml

Created January 28, 2025 18:48

OpenShift Lightspeed for Disconnected systems

	apiVersion: ols.openshift.io/v1alpha1
	kind: OLSConfig
	metadata:
	name: cluster
	spec:
	llm:
	providers:
	- credentialsSecretRef:
	name: credentials
	models:

dmc5179 / openshift_disconnected_vpc_cf.yaml

Created December 28, 2024 19:52

AWS Cloudformation template to create a disconnected environment for OpenShift testing

	AWSTemplateFormatVersion: 2010-09-09
	Description: Template for creating a disconnected VPC in up to 3 AZs

	Parameters:

	VpcCidr:
	AllowedPattern: ^(([0-9]\|[1-9][0-9]\|1[0-9]{2}\|2[0-4][0-9]\|25[0-5])\.){3}([0-9]\|[1-9][0-9]\|1[0-9]{2}\|2[0-4][0-9]\|25[0-5])(\/(1[6-9]\|2[0-4]))$
	ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/16-24.
	Default: 10.0.0.0/16
	Description: CIDR block for VPC.

dmc5179 / devfile.yaml

Created December 12, 2024 01:01

OpenShift DevSpaces DevFile for Continue Code Assist

	schemaVersion: 2.1.0
	metadata:
	name: codeassist-images
	attributes:
	controller.devfile.io/storage-type: ephemeral
	controller.devfile.io/scc: container-build
	.continue/config.json: \|
	{
	"allowAnonymousTelemetry": false,
	"models": [

dmc5179 / rescue.sh

Created October 25, 2024 00:59

RHEL 8 Live ISO

	# enable network
	nmcli con show
	nmcli con up enp1s0

	mkdir /mnt/tmpfs
	mount -o size=8G -t tmpfs none /mnt/tmpfs

	# Enable subscription
	subscription-manager register
	# or copy in /etc/yum.repos.d files for satellite to base system

dmc5179 / openshift4-reset-kubeadmin.yaml

Created October 23, 2024 00:19

Ansible playbook to reset the kubeadmin password of an OpenShift 4 cluster

	---
	# https://access.redhat.com/solutions/4845381
	# https://access.redhat.com/solutions/6985513
	# ##############
	# https://access.redhat.com/solutions/5286371
	- hosts: all
	vars:
	ansible_ssh_private_key_file: /home/ec2-user/.ssh/id_rsa_ocp.pem
	#ansible_connection: ssh
	ansible_user: core

dmc5179 / agent-config.yaml

Created October 22, 2024 15:35

OpenShift 4 Agent Based Installer

	apiVersion: v1alpha1
	kind: AgentConfig
	metadata:
	name: agent-config
	rendezvousIP: 192.168.1.80 # For a SNO cluster this is the same IP as the server. For a non-SNO install, pick an IP of one of the control plane servers
	hosts:
	- hostname: master-0
	role: master
	interfaces:
	- name: eno1 # This doesn't need to be the actual interface name, it has to match the names below