docker command not found even though installed with apt-get

The Ubuntu package docker actually refers to a GUI application, not the beloved DevOps tool we’ve come out to look for. The instructions for docker can be followed per instructions on the docker page here: https://docs.docker.com/engine/install/ubuntu/ === UPDATED (thanks @Scott Stensland) === You now run the following install script to get docker: Note: review the script on the … Read more

Docker can’t connect to docker daemon

After I update my Docker version to 0.8.0, I get an error message while entering sudo docker version: And I’ve followed the instructions and entered command sudo docker -d, and I got this: How do I solve the problem?

How to easily install and uninstall docker on MacOs

To Install: Go Here Click the “Get Docker” or “Get Docker Desktop for Mac (Stable)” button. Double-click the DMG Drag Docker into Applications Open Docker Open Terminal after install and docker will be available. Docker should auto-launch on subsequent startups and be available on command line. To Uninstall: Click On Docker Icon Select Preferences Select Bug … Read more

What is the difference between the ‘COPY’ and ‘ADD’ commands in a Dockerfile?

You should check the ADD and COPY documentation for a more detailed description of their behaviors, but in a nutshell, the major difference is that ADD can do more than COPY: ADD allows <src> to be a URL Referring to comments below, the ADD documentation states that: If is a local tar archive in a recognized compression format (identity, gzip, bzip2 or xz) then it is unpacked as … Read more

docker : invalid reference format

I’m following this tutorial: https://medium.com/towards-data-science/number-plate-detection-with-supervisely-and-tensorflow-part-1-e84c74d4382c and they use docker. When I tried to run docker (inside the run.sh script): I got the error: I spent 2 hours and I can’t really understand what’s wrong. Any idea really appreciated.

What is the difference between CMD and ENTRYPOINT in a Dockerfile?

Docker has a default entrypoint which is /bin/sh -c but does not have a default command. When you run docker like this: docker run -i -t ubuntu bash the entrypoint is the default /bin/sh -c, the image is ubuntu and the command is bash. The command is run via the entrypoint. i.e., the actual thing that gets executed is /bin/sh -c bash. This allowed … Read more

denied: requested access to the resource is denied : docker

You may need to switch your docker repo to private before docker push. Thanks to the answer provided by Dean Wu and this comment by ses, before pushing, remember to log out, then log in from the command line to your docker hub account According to the docs: So, this means you have to tag your image before pushing: and then you should be able to push it.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)