container_aria

my file learn about tech container (docker, podman, kubernetes)

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podman => alternatif docker

• perbedaan podman dan docker
  • docker
    • docker di manage dengan daemon
    • docker harus berjalan root mode
  • podman
    • podman berjalan tanpa harus ada daemon
    • podman menggunakan rootles mode
    • podman memiliki concept pod

snytax dasar

podman --help
podman --version
man podman / man podman-<subcommand>

podman search <search_term>
podman search httpd --filter=is-official

podman pull docker.io/library/httpd

podman ps
podman ps -a

podman inspect -l # lattest
podman inspect <container/image/any>

podman logs -l
podman top -l

podman start
podman stop -l

podman rm -l

run

podman run -dt -p 8080:80/tcp docker.io/library/httpd
# -d detached (berjalan di latar belakang)
# -t tty (terminal)

image

podman images ls -a

container

podman container ls -a

checkpoint

sudo podman container checkpoint <container_id>
sudo podman container restore <container_id>

migrate

• checkpoint

  sudo podman container checkpoint <container_id> -e /tmp/checkpoint.tar.gz
  scp /tmp/checkpoint.tar.gz <destination_system>:/tmp
  

• restore

  sudo podman container restore -i /tmp/checkpoint.tar.gz
  

pod

podman pod -h
podman pod ps
podman pod create

podman run -dt --pod pod-1 nginx #tidak bisa menggunakan publish port

podman run -dt --pod new:ngix-pod --name nginx-1 -p 10081:80 nginx #new:nginx-pod membuat pobaru agar bisa publish port


podman generate kube <podid> > pod.yml
kubectl apply -f {script}.yml

infra podman

82c0d1bc30f1  localhost/podman-pause:4.6.1-1692961697                        2 minutes ago   Up 37 seconds                        07f6b0c7ce91-infra
76815ad9e52a  docker.io/library/nginx:latest           nginx -g daemon o...  37 seconds ago  Up 37 seconds                        angry_leakey