Copy directory to another directory using ADD command
will copy the contents of your local go directory in the /usr/local/ directory of your docker image. To copy the go directory itself in /usr/local/ use: or
docker
How do I get into a Docker container’s shell?
docker attach will let you connect to your Docker container, but this isn’t really the same thing as ssh. If your container is running a webserver, for example, docker attach will probably connect you to the stdout of the web server process. It won’t necessarily give you a shell. The docker exec command is probably what you are looking for; this will let … Read more
Docker error : no space left on device
I installed docker on a Debian 7 machine in the following way After that when I first tried creating an Image it failed with the following error Here is the docker info How can I increase the memory? Where are the system configurations stored? From Kal’s suggestions: When I got rid of all the images … Read more
How do I pass environment variables to Docker containers?
You can pass environment variables to your containers with the -e flag. An example from a startup script: Or, if you don’t want to have the value on the command-line where it will be displayed by ps, etc., -e can pull in the value from the current environment if you just give it without the … Read more
Docker: Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock
The user jenkins needs to be added to the group docker: Then restart Jenkins. Edit If you arrive to this question of stack overflow because you receive this message from docker, but you don’t use jenkins, most probably the error is the same: your unprivileged user does not belong to the docker group. You can … Read more
How to fix “SSL certificate problem: self signed certificate in certificate chain” error?
Probably you don’t have correct CA certificates available in the container, so TLS connections can’t be verified. Try to install ca-certificates package (package may have a different name, it depends on the used distribution). UPDATE: Your company inspects TLS connections in the corporate network, so original certificates are replaced by your company certificates. You need … Read more
Docker System has not been booted with systemd as init system
I have an Ubuntu 18.04 image runing on my docker container. I login into it and installed Openresty. also installed systemd. When I use command “systemctl” I get this error: How can I fix it?
How to copy files from host to Docker container?
The cp command can be used to copy files. One specific file can be copied TO the container like: One specific file can be copied FROM the container like: For emphasis, container_id is a container ID, not an image ID. (Use docker ps to view listing which includes container_ids.) Multiple files contained by the folder … Read more
Cannot connect to the Docker daemon at unix:/var/run/docker.sock. Is the docker daemon running?
I have applied every solution available on internet but still I cannot run Docker. I want to use Scrapy Splash on my server. Here is history of commands I ran. You can see I tried to restart my server as well, but it didnt help. see output of ps -aux | grep docker
How to list containers in Docker
To show only running containers use the given command: To show all containers use the given command: To show the latest created container (includes all states) use the given command: To show n last created containers (includes all states) use the given command: To display total file sizes use the given command: The content presented above is from docker.com. In the new version of Docker, commands … Read more