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WSL環境でDockerが動作しなくなった

WSL環境でDockerが動作しなくなったの抜粋版です

うっかりapt update && sudo apt -y upgradeしてしまったらWSL環境でDockerが動作しなくなった


hello-worldしてみた

$ docker run hello-world

docker: Error response from daemon: OCI runtime create failed: container_linux.go:348: starting container process caused "process_linux.go:301: running exec setns process for init caused \"exit status 23\"": unknown.
ERRO[0001] error waiting for container: context canceled


戻せそうなバージョンを確認する

apt show [インストールパッケージ名] -aでパッケージのインストールできるバージョンの一覧を取得できる

$ sudo apt show docker.io -a


一旦削除して、バージョンを指定して再インストールする

$ sudo apt remove docker.io

$ sudo apt -y install docker.io=17.12.1-0ubuntu1


hello-worldも動いた

$ docker run hello-world

Hello from Docker!
This message shows that your installation appears to be working correctly.

To generate this message, Docker took the following steps:
1. The Docker client contacted the Docker daemon.
2. The Docker daemon pulled the "hello-world" image from the Docker Hub.
(amd64)
3. The Docker daemon created a new container from that image which runs the
executable that produces the output you are currently reading.
4. The Docker daemon streamed that output to the Docker client, which sent it
to your terminal.

To try something more ambitious, you can run an Ubuntu container with:
$ docker run -it ubuntu bash

Share images, automate workflows, and more with a free Docker ID:
https://hub.docker.com/

For more examples and ideas, visit:
https://docs.docker.com/get-started/