1.1 Describing Redhat Openshift Container Platform Flashcards

1
Q

Características de openshift

A
Red Hat OpenShift Container Platform
Red Hat OpenShift Dedicated
Red Hat OpenShift Online
Red Hat OpenShift Kubernetes Engine
Red Hat Code Ready Containers
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2
Q

Capas de openshift

A

Container
Self Service
Service catalog
Build automation. Deployment automation
Application lifecycle (CI/CD)
Container orchestation y cluster management
Networking storage registry logs/metrics Security
Container runtime and packaging
Linux
Physical virtual prívate public

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3
Q

Como se verifica si hay certificados por aprobar

A

oc get csr

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4
Q

Como verificar si uno de los cluster operators no están disponibles o degradados o progresando configuración o desplegando pods

A

oc get clusteroperators

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5
Q

Cual es el

Sistema operativo de los contenedores en openshift

A

Redhat enterprise Linux CoreOS

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6
Q

Cual es el motor

A

CRI-O

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7
Q

Cual es el orquestador de contenedor de código abierto

A

kubernetes

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8
Q

Componentes de Openshift

A

CoreOS
Motor CRI-O
Kubernetes
Consola web de autoservicio
Una cantidad de servicios de aplicaciones preinstalados
Imágenes de contenedores certificadas para tiempos de ejecución, bases de datos y otros paquetes de varios lenguajes

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9
Q

Cuales son los nodos de tipo maestro

A
kube-apiserver
Kube-controller-manager
kube-scheduller 
etcd 
kubelet 
cri-o
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10
Q

Cuales son los pods regulares

A

openshift-apiserver
Openshift-controller-manager
coredns

Openshift oauth 0 auth

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11
Q

procesos de systemd de openshift

A

kubelet

cri-o

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12
Q

Que servicio administra conjuntos de pod estáticos y ciclo de vida de los pods

A

kubelet

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13
Q

Que componente se encarga de replicar los pods y asegurarse que estén replicados

A

Replication controller

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14
Q

Para que es el control plane

A

management y control of our cluster

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15
Q

Proceso principal de Runtime

A

cri-o

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16
Q

Que es lo que hace el kube-apiserver

A

Proxy API requests

17
Q

Explica cada característica de openshift

A

Redhat openshift container platform
Enterprise ready kubernetes you decide when it updates

Redhat openshift dedicated
Cuando openshift está proveído por otro producto
Redhat openshift online pequeños proyectos para un onboard Andrés de ir a un cluster en. Clud
Redhat openshift kubernetes engine
Redhat code ready container
Para instalar en laptop limitado

18
Q

Como se llama el servicio de kubernetes en el contenedor

A

kubelet

19
Q

Que es etcd

A

Database in a service of a cointainer

20
Q

Proceso de instalación de un cluster de openshift

A
  1. Bootstrap machine boots start the remote resources required for booting the control plane machines
  2. The control plane fetch the remote resources from the bootstrap machine and finish booting
  3. The control machines form an Etcd cluster
  4. The boostrap machine stars a temporary kubernetes control using the newly created etcd cluster
  5. The temporary control plane schedules the control plane machines
  6. The temporary control plane shutdown yields to the control plane
  7. boostrap node injects components specific to openshift into the control plane.
  8. -the installation tears down the bootstrap machine
21
Q

Cuales son las customizationes que pueden hacer en openshift

A

Defining custom storage clases for dynamic storage provisioning
Changing the custom resource
Adding new operadorators to cluster
Defining new machine sets

22
Q

Como obtener el estado de los nodos

A

oc get nodes