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Tag: docker

Ubuntu dockerfile – mailutils install

I am installing mailutils via a dockerfile on an ubuntu image. I do this via: RUN apt-get install -y mailutils However, on this line I get the following: When I do exactly the same thing with a Debian image I do not get this option. I use the -y prefix to handle all the yes/no installation questions when using a

Explanation of this docker file?

I am trying to understand this docker file I understood most of the lines but I don’t understand what these below lines means? Can anyone help me understand? I am not sure what is the purpose of wget supervisor docker.io openssh-server in that line. Also what does echo mean there? And then also last sed line. Answer Installs a bunch

Arch Linux, Docker “No space left on device.”

All of the similar questions I see are resolved by cleaning up the images or containers or orphaned volumes but I am not having any of those problems. I even completely deleted /var/lib/docker and still nothing. Relevant output: docker info One thing that makes my issue a little different (Where I think the root of the issue comes from) Before

Can docker run additional libraries my OS doesnt support?

I have an OS(Amazon Linux) that doesn’t support a library (libcgj). If I host the application via docker container, can I use this library? Answer As long as your application’s base images is one of those OSs that support your library, I think you should be fine. However, if you could give some more information like what application, Dockerfile etc.

Docker Busybox container add groups and user

I need users in my docker containers. My build is from the busybox image which is missing groupadd, I tried to add it using apt-get but that’s also missing. What do I need to add to my Dockerfile to get groupadd? So far I have Answer You’re trying to run Debian based command on a non-Debian system. If you need

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