DO180 Repository for Sample Applications
image: repository: registry.ocp4.example.com:8443/etherpad name: etherpad tag: 1.8.18 route: host: development-etherpad.apps.ocp4.example.com
helm search repo
helm install example-app do280-repo/etherpad -f values.yaml --version 0.0.6
htpasswd -c -B -b htpasswdfile armstrong indionce htpasswd -B -b htpasswdfile user2 password2
oc create secret generic htpasswd-secret --from-file=htpasswd=filename -n namespace oc get oauth/cluster -o yaml > oauth.yaml vi oauth.yaml oc replace -f oauth.yaml
oc adm policy remove-cluster-role-from-group self-provisioner system:authenticated:oauth
oc adm policy add-cluster-role-to-user cluster-admin jobs oc adm policy add-cluster-role-to-user self-provisioner wozniak oc adm policy remove-cluster-role-from-user cluster-admin wozniak oc adm policy remove-cluster-role-from-user self-provisioner armstrong
oc new-project apollo oc adm policy add-role-to-user admin armstrong -n apollo oc adm policy add-role-to-user admin armstrong -n gemini oc adm policy add-role-to-user view wozniak -n titan
oc adm groups new commander oc adm groups new pilot oc adm groups add-users commander armstrong oc adm groups add-users pilot collins aldrin oc adm policy add-role-to-group edit commander -n apollo oc adm policy add-role-to-group view pilot -n apollo
oc create quota ex280-quota --hard=cpu=2,memory=1Gi,pods=3,services=6,replicationcontrollers=3 -n manhattan
oc adm taint nodes worker0 key1=value1:NoSchedule- oc delete routes rocky oc expose service rocky --hostname=rocky.apps.domainXX.example.com
oc scale --replicas=5 dc minion
oc autoscale dc hydra --max=9 --min=6 --cpu-percent=60 oc set resources dc hydra --limits=cpu=100m --requests=cpu=25m
./newcert "/C=US/ST=NV/L=Hiko/O=CIA/OU=USAF/CN=classified.apps.domainXX.example.com" .................................. openssl genrsa -des3 -out mycert.key 2048 openssl req -x509 -new -key mycert.key -sha256 -days 3650 -out mycert.pem -subj "/C=US/ST=NV/L=Hiko/O=CIA/OU=USAF/CN=classified.apps.domainXX.example.com" openssl genrsa -out tls.key 2048 openssl req -new -key tls.key -out tls.csr -subj "/C=US/ST=NV/L=Hiko/O=CIA/OU=USAF/CN=classified.apps.domainXX.example.com" openssl x509 -req -in tls.csr -CA mycert.pem -CAkey mycert.key -CAcreateserial -out tls.crt -days 1650
oc create route edge oxcart
--hostname=secureapp.apps-crc.testing
--service=secureapp
--cert=tls.crt
--key=tls.key
curl -k https://classified.apps.domainXX.example.com
oc create secret generic magic --from-literal key=decoder_ring --from-literal value=XpWy9KdcP3Tr9FFHGQgZgVRCKukQdrQsbcl0c2ZYhDk= -n math
oc set env --from=secret/magic dc/qed
oc create serviceaccount ex280sa oc adm policy add-scc-to-user anyuid -z ex280sa
oc set serviceaccount dc oranges ex280sa oc describe svc oranges oc edit svc oranges Change "Selector: deploymentconfig=orange" --> "Selector: deploymentconfig=oranges"
oc describe node worker0.domain2.example.com oc label node worker0 star=trek --overwrite
oc get events | grep -i menory oc describe dc atlas oc set resources dc atlas --resources=memory=80Mi
oc label namespace openshift.io/cluster-monitoring=true
0 0 2 * * /path/to/your/script.sh 0 0 * * 2 /path/to/command 0 19 2 * * 25 5 2 * * command_to_run
oc delete secrets kubeadmin -n kube-system
oc set volumes deployment.apps/postgresql-persistent --add --name postgresql-storage --type pvc --claim-class nfs-storage --claim-mode rwo --claim-size 10Gi --mount-path /var/lib/pgsql --claim-name postgresql-storage11
oc label namespace test x=y
oc login -u admin -p redhatocp https://api.ocp4.example.com:6443
oc adm must-gather --dest-dir /home/student/must-gather
tar cvaf mustgather.tar /home/student/must-gather
oc adm inspect clusteroperator/openshift-apiserver clusteroperator/kube-apiserver oc adm inspect clusteroperator/openshift-apiserver --since 10m ls ~/must-gather tail -5 ~/must-gather/quay-io.../host_service_logs/masters/kubelet_service.log
oc adm inspect clusteroperator/openshift-apiserver --dest-dir /home/student/inspect --since 5m
ls inspect/
cat ~/inspect/cluster-scoped-resources/operator.openshift.io/openshiftapiservers/cluster.yaml
oc label namespace different-namespace network=different-namespace
spec: podSelector: matchLabels: deployment: hello ingress: - from: - namespaceSelector: matchLabels: network: different-namespace podSelector: matchLabels: deployment: sample-app ports: - port: 8080 protocol: TCP
deployment: hello network-policy project pod: deployment=hello
oc label namespace different-namespace network=different-namespace different-namespace pod: deployment=sample-app
oc adm create-bootstrap-project-template -o yaml > template.yaml
oc set volumes deployment/db-pod --add --name="lvm-storage" --type="pvc" --claim-mode="readwriteowner" --claim-size="1Gi" --mount-path="/var/lib/mysql" --claim-class="lvms-vg1" --claim-name="db-pod-pvc"
policy-group.network.openshift.io/ingress: "" network.openshift.io/policy-group: monitoring
helm repo list helm repo add do280-repo http://helm.ocp4.example.com/charts helm search repo --versions helm install example-app do280-repo/etherpad -f values.yaml --version 0.0.6 helm list
image: repository: registry.ocp4.example.com:8443/etherpad name: etherpad tag: 1.8.18 route: host: etherpad.apps.ocp4.example.com
192.168.50.254 /exports-ocp4/