How can i run docker command inside a docker container?

Archive Open Source Registry API
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Hi Michael,

I try your proposal but without success. Into container I’ve this message:

root$ docker exec -it Jenkins /bin/bash
bash-4.3$ docker ps
bash: /usr/bin/docker: No such file or directory
bash-4.3$ which docker
/usr/bin/docker
bash-4.3$

Any idea ? My root docker is on Alpine Linux/ Maybe it have so impacts.

EDIT:
same problem with unbuntu

root$ docker run -it -v /var/run/docker.sock:/var/run/docker.sock -v /usr/bin/docker:/usr/bin/docker ubuntu:latest bash
Unable to find image ‘ubuntu:latest’ locally
latest: Pulling from library/ubuntu
b6f892c0043b: Pull complete
55010f332b04: Pull complete
2955fb827c94: Pull complete
3deef3fcbd30: Pull complete
cf9722e506aa: Pull complete
Digest: sha256:382452f82a8bbd34443b2c727650af46aced0f94a44463c62a9848133ecb1aa8
Status: Downloaded newer image for ubuntu:latest
root@57fb8536d5b1:/#
root@57fb8536d5b1:/#
root@57fb8536d5b1:/# docker ps
docker: error while loading shared libraries: libltdl.so.7: cannot open shared object file: No such file or directory
root@57fb8536d5b1:/#

JM.

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