k3s uses container by default
Comparison table of the two commands:
| id | containerd command | docker command | Remarks |
|---|---|---|---|
| 1 | ctr image ls | docker images | Get image information |
| 2 | ctr image pull nginx | docker pull nginx | pull an nginx image |
| 3 | ctr image tag nginx nginx-test | docker tag nginx nginx-test | tag an nginx image |
| 4 | ctr image push nginx-test | docker push nginx-test | push nginx-test的image |
| 5 | ctr image pull nginx | docker pull nginx | pull an nginx image |
| 6 | ctr image import nginx.tar | docker load<nginx.tar.gz | Import local image ctr does not support compression |
| 7 | ctr run -d --env 111 nginx-test nginx | docker run -d --name=nginx nginx-test | A running container |
| 8 | ctr task ls | docker ps | View running containers |