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Type this into Github Gist Search (https://gist.github.com/)

user:BoQsc  your search query

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Install the operator using the Manual approval strategy

cat <<EOF| oc apply -f -
apiVersion: v1
kind: Namespace
metadata:
  name: amq
---
apiVersion: operators.coreos.com/v1alpha1

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Openshift Day 2 guidance :
-----------------------------------------------------------------------------------------------
Configure Openshift ingress operator to use node label “infra: true” and run router pods only in infra node
Edit openshift-ingress config :
# oc edit ingresscontrollers.operator.openshift.io/default -n openshift-ingress-operator
In the spec: section add below comment :
---
 nodePlacement:
    nodeSelector:
      matchLabels:

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How to create a self-signed SSL Certificate with SubjectAltName(SAN)

After Chrome 58, self-signed certificate without SAN is not valid anymore.

Step 1: Generate a Private Key

openssl genrsa -des3 -out example.com.key 2048

Step 2: Generate a CSR (Certificate Signing Request)

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NOTE: git clone https://github.com/yourgituser/DO180-apps

Creating Containerized Services

podman search rhel

podman pull rhel

podman images

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Install Kubernetes

Master node

$ apt-get update && apt-get upgrade -y

$ apt-get install -y vim

$ apt-get install -y docker.io ; systemctl enable docker.service

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# Satellite
## Tasks Status
sudo su - postgres -c "psql -d foreman -c 'select label,count(label),state,result from foreman_tasks_tasks where state <> '\''stopped'\'' group by label,state,result ORDER BY label;'" 

## Foreman-rake commands - https://access.redhat.com/solutions/1754193
### Cancel Tasks
> foreman-rake console
irb(main):001:0> ForemanTasks::Task.find("799bc5fb-2d4c-4d0d-9d7d-4e42e9a8ace8").destroy

### Synchronize a repository from CDN

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# OCP 4 Installation

RHV: https://medium.com/@daein/ocp4-3-installation-on-rhv-4-3-with-bare-metal-method-653186c6de63
Static IP: https://medium.com/@zhimin.wen/static-ip-for-ocp4-d2e4c1da5de
https://access.redhat.com/solutions/4799921[Adding worker nodes to the OCP 4 UPI cluster existing 24+ hours]

subscription-manager register
subscription-manager attach --auto
subscription-manager repos --enable rhel-7-server-extras-rpms --enable rhel-7-server-ansible-2.9-rpms

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podman search rhel
podman pull rhel
podman images
podman run ubi7/ubi:7.7 echo "Hello!"
podman run -d rhscl/httpd-24-rhel7:2.4-36.8
curl http://10.88.0.68:8080
podman run -it ubi7/ubi:7.7 /bin/bash
podman run -e GREET=Hello -e NAME=RedHat rhel7:7.5 printenv GREET NAME
podman run --name mysql-custom -e MYSQL_USER=redhat -e MYSQL_PASSWORD=r3dh4t -d rhmap47/mysql:5.5

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oc login -u dev -p dev https://ocp-1.192.168.122.100.nip.io:8443
oc login -u system:admin
oc new-project image-uploader --display-name='Image Uploader Project'
oc new-app centos/ruby-22-centos7~https://github.com/openshift/ruby-ex.git