RHO 1: Containers and Kubernetes
EX180V4K UPDATED Actual Exam
Questions and CORRECT Answers
sudo podman inspect -f '{{ .NetworkSettings.IPAddress }}' mysql-1 - CORRECT ANSWER-
✔✔Comando para obtener la dirección IP del contenedor mysql-1.
sudo chown -R 27:27 /var/local/mysql - CORRECT ANSWER- ✔✔Comando para cambiar
el propietario del directorio /var/local/mysql para el usuario mysql y el grupo mysql.
sudo semanage filecontext -a -t container_file_t '/var/local/mysql(/.*)?' - CORRECT
ANSWER- ✔✔Comando para aplicar el contexto SELinux adecuado para el directorio
/var/local/mysql y su contenido.
sudo restorecon -Rv /var/local/mysql - CORRECT ANSWER- ✔✔Comando para aplicar la
política de contenedores de SELinux creada al directorio /var/local/mysql.
mysql -uuser1 -pmypa55 -P13306 -h workstation.lab.example.com items - CORRECT
ANSWER- ✔✔Comando para conectarse a la base de datos MSQL items desde el host de
workstation.lab.example.com con puerto 13306, usuario user1 y password mypa55.
sudo podman run -d --name=mysql-1 -v /var/local/mysql:/var/lib/mysql/data -p 13306:3306 -
e MYSQL_USER=user1 -e MYSQL_PASSWORD=mypa55 -e MYSQL_DATABASE=items
-e MYSQL_ROOT_PASSWORD=r00tpa55 rhscl/mysql-57-rhel7 - CORRECT ANSWER-
✔✔Comando para implementar una instancia de contenedor MySQL con las siguientes
características:
Nombre: mysql-1
Ejecutar como daemon: si
Volumen: desde la carpeta del host /var/local/mysql hasta la carpeta del contenedor
/var/lib/mysql/data
Imagen de contenedor: rhscl/mysql-57-rhel7
Reenvío de puertos: si, desde el puerto 13306 del host hasta el puerto 3306 del contenedor.
Variables de entorno:
-MYSQL_USER=user1
sudo podman exec -it mysql-1 /bin/bash - CORRECT ANSWER- ✔✔Comando para acceder
al shell del contenedor mysql-1.
sudo podman ps - CORRECT ANSWER- ✔✔Comando para verificar la lista de
contenedores activos.
sudo podman stop mysql-1 - CORRECT ANSWER- ✔✔Comando para detener el contenedor
mysql-1 correctamente.
sudo podman rm mysql-1 - CORRECT ANSWER- ✔✔Comando para eliminar el contenedor
mysql-1 y liberar recursos.
sudo podman search -f is-official=true docker.io/nginx - CORRECT ANSWER-
✔✔Comando para buscar la imagen oficial docker.io/nginx.
sudo podman pull docker.io/nginx - CORRECT ANSWER- ✔✔Comando para extraer la
imagen docker.io/nginx.
sudo podman images - CORRECT ANSWER- ✔✔Comando para enlistar las imágenes en el
repositorio local.
sudo podman commit -a 'Miguel Garza' official-nginx do180/mynginx:v1.0 - CORRECT
ANSWER- ✔✔Comando para confirmar los cambios hechos en el contenedor official-nginx
y crear otra imagen do180/mynginx:v1.0 con los nuevos cambios con nombre de autor:
Miguel Garza.
sudo podman rmi do180/mynginx:v1.0 - CORRECT ANSWER- ✔✔Comando para eliminar
la imagen de contenedor do180/mynginx:v1.0
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