docker container ls
docker container ls
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
0c0cb60c3411 yocto-build "/entrypoint bash" 49 seconds ago Up 48 seconds bold_satoshi4
...
docker exec -it <container_id> bash
docker exec -it 0c0cb60c3411 bash
root@0c0cb60c3411:/#