Stack overflow docker shell 

Stack overflow docker shell. I'm trying to work with it on windows. Aug 16, 2017 · Rather than rely on set -e (which really is not reliable, at least not without fully understanding all the exceptions that don't exit the shel), be explicit about which commands to run. #!/usr/bin/env bash read -p "Username : &quot; WEBUSER read -p &q May 13, 2019 · The SHELL command only modifies the shell that is used to execute the instructions inside the Dockerfile. Django calls docker; Docker opens a socket; Django returns socket to Frontend (User) Feb 17, 2021 · processes automatically inherit environment variables from their 'parent-process', that spawned them. – m19v Commented Sep 14, 2022 at 1:20 Aug 3, 2020 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. I created a Dockerfile: Feb 13, 2019 · The problem probably has to do with refreshing the shell but that is tricky to do as it appears that Docker continues to use the original shell it entered to run the next build stages. The shell script variables are not being populated when I run the Docker container. List the tasks in the stack. This May 29, 2022 · docker build . In your case: the environment is passed on from shell, to eclipse, to your-application. #!/usr/bin/env bash set -e docker create -it --name test path docker start test docker exec test /bin/sh -c "go test . If you want to go inside your container than docker exec -it container_name/id bash debug the issue and exit. If you launch any process (e. In the container, I can find the init. I have a fix for 1. Mar 19, 2024 · Learn how to connect to a shell of a running Docker container and how to start containers interactively May 10, 2014 · You could just enter via docker run -it --entrypoint=/bin/bash $IMAGE -i (you 'll launch a new container from the image and get a bash shell in interactive mode), then run the entrypoint command in that container. loadrdf -c [path to . run some test on it. *sub-\(. sh'" Or include echo "my PID: $$" on your script and send. 4, build 1564f02 My images: docker pull lw96/ubuntu-16. exe docker-env --shell cmd SET There are two differences between the shell form and the exec form. What i'm trying to achive is deploy a docker container on the host's docker Jan 4, 2022 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Dec 20, 2017 · The docker shell syntax (which is just a string as the RUN, ENTRYPOINT, and CMD) will run that string as the parameter to /bin/sh -c. I finally need to set an env variable inside the container and run psql inside the container (then obviously run some queries). Jan 11, 2019 · I want to run docker:dind and get a shell. It is starting but filing when tries to open CLI. Exit the bash session, which also stops the container. calling shell commands on host from container. – Mar 26, 2021 · I have a shell script like create. - There is a shell script file baz. sh: sudo apt-get install -y docker. docker stack services. I have Windows 10 Family so I installed Linux Bash Shell. sh In normal operation you should not need docker exec, though it's really useful for debugging. So given that I can already specify the default shell of a container, why is it necessary to specify again with /bin/bash -c when running the docker container? Jul 18, 2015 · 2. CMD ["bin/sh", ". – May 7, 2014 · [Updated1] I have a shell which will change TCP kernel parameters in some functions, but now I need to make this shell run in Docker container, that means, the shell need to know it is running inside a container and stop configuring the kernel. But in docker scenario, I don't think there are any difference as we won't depend on this feature. COPY --progress=plain Remark the --no-cache as a parameter: this ensures we start with a clean slate each build. " Dec 15, 2016 · Docker version: docker --version Docker version 1. after that I did the commit: sudo docker commit 32f8ea080748 test1/test1:latest and I start a new container using the new commited image: sudo docker run -di test1/test1:latest /bin/bash and I used docker exec for checking my file: sudo docker Mar 30, 2020 · I am new to Docker. Logging whoami in the CI gives: gitlab-runner. One thing also you need to change is docker run -it -d-d will start container with background mode. kind: DaemonSet. Or you can use wget or curl to fetch it and pipe it into a shell. Jan 4, 2018 · Note that with shell commands like shift and set --, you can change the value of "$@". Execution: Jan 16, 2017 · docker exec <container> <command>. yaml up, I also used the same localSetup. However, there is no folder mount_point which should be created by. I'm attempting to write a bash function that starts x number of docker containers, wish an array that holds exposed ports for the given app. *\)\//\1/' | split -l 8 - participants_`. if in my shell I have previously Aug 20, 2021 · i am getting into containerisation and docker and i am trying to create some basic containers. Making statements based on opinion; back them up with references or personal experience. Viewed 35 times. If I run docker run --privileged docker:dind sh it just exit. Jul 18, 2017 · Input: - There is Windows machine with Docker Toolbox installed. 3. Thanks jrbeverly and user2105103 for the explanation that "EVERY command executed via docker exec is inside the container. . Feb 27, 2016 · 2. I'm getting trouble when I try to run a MySQL command inside a container. Then run docker exec. What I've Apr 24, 2023 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand May 11, 2022 · I have a simple shell script to run a docker command below, which works just fine if I ran it manually. docker exec -it <containerId> /bin/sh -c "pkill -INT -f 'start\. Ex: My shell script looks like: #!bin/bash echo $1 Dockerfile looks lik Sep 23, 2020 · There are docker run options to add capabilities to a container, but needing these is very rare and they can't be added to the build step. sh" script: Aug 27, 2018 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Or run the influx client in a separate container: $ docker run --rm --link=influxdb -it influxdb influx -host influxdb Jan 11, 2016 · # find the name of the machine created. In practice I almost never need it: it's usually cleaner to docker rm the stopped container and docker run a new one. These are the two differences: The exec form is parsed as a JSON array, which means that you must use double-quotes (“) around words not single-quotes (‘). sudo docker run -it -p 8080:80 --name back_end back_end to make sure you built docker image correctly. 04 but could also use 18. Several processes in just one container is not a good practice. sh, but it doesn't exequite . docker run -d -p 8000:80 --name web my/image docker run --rm --name hello my/image \ hello. Start the container using docker start. However it didn't work if I ran it by cron. sh you used. 0. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. docker exec -it --user=root <container_id> /bin/sh and when i try to run the script insid Nov 26, 2018 · It looks like your OS is missing pseudo-terminals (PTY) - a device that has the functions of a physical terminal without actually being one. Oct 5, 2015 · Then connect a shell : $ docker exec -it mongodb-6 mongosh Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. The default shell is a POSIX-compliant shell and not GNU bash (see for example this question) so other shell-specific extensions aren't available. Django checks if the user is authenticated etc. Now I'm not sure how to achieve that, here is the contents of /proc/self/cgroup inside the container: Feb 5, 2022 · If you start a new shell in a container with docker exec, then exit with ctrl+p ctlr+q, that shell is still running. metadata: name: logclean-updater. Docker official web says : It is generally recommended that you separate areas of concern by using one service per container Jul 25, 2021 · CTRL+C sends a signal to docker running on that console. Apr 14, 2021 · I am trying to automate some tasks utilizing shell. docker build . I wrote it in dockerfile: Deploy a new stack or update an existing stack. docker exec the-container \ bash -l -c 'test_func' A comment suggests changing these from shell functions to standalone scripts. I didn't see any logging in /var/log/cron. ttl file from the graphdb container and how / where to perform this shell command? Sep 27, 2015 · $> docker run -t -i buildfoo enter some bash commands. ex. 588 INFO 1 --- [ main] May 5, 2020 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company . Mar 4, 2020 · Dockerfile - best practices says that CMD should almost always be used in the form of CMD ["executable", "param1", "param2"…] in which case shell form should be used? May 8, 2018 · I want to open a interactive shell which sources a script to use the bitbake environment on a repository that I bind mount: docker run --rm -it \ --mount type=bind,source=$(MY_PATH),destination=/mnt/ Jun 12, 2017 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; docker-compose run --rm web . when user login into system while non login shell not. Anyone have any tips? Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; I am trying to get Docker shell completion on this stack (OSX Oct 29, 2019 · Odoo shell need to run with same configuration as you are using your docker container to start, /etc/odoo/odoo. 04-lnmp1. \\minikube. Bash (in which case you'd think it should be supported; but subprocess doesn't use your login shell). However, I'd rather not have to manually remove the container. scala in this image. I've tried to open the docker shell, but docker wasn't recognized in the cmd. My script file looks like: #!bin/bash. Sep 15, 2022 · docker run --name build-fw -d -it build-fw docker logs build-fw docker container stop build-fw docker container rm build-fw In Jenkins, I simply created a Freestyle project with the "Execute Shell" build step, where I simply ran the "docker-build. docker container run --rm --name test_run -it test_build sh where there are only two above files in the folder. docker run -it <container_name> <image_name> or. Can you shed some light on how you would execute a shell script and maybe share the script. Mar 28, 2022 · It's not possible to have separate RUN statement run in the same shell. I want to run: docker exec -it <container_name> /bin/bash or. env file which collects the host IP address and then uses that inside the build process. The proposed answers are overriding the entrypoint to a single binary (i. scala and it worked. conf. db_env" -d postgres # Start the postgres db # Prep the db, do some other stuff # docker exec -it CONTAINER_NAME psql -U postgres Currently, I have to to docker ps to get the container name and then paste it and replace CONTAINER_NAME . without args) and putting the originals arguments to the COMMAND. Breaking it down: docker ps -q: This part of the command is used to list the IDs of the currently running Docker containers. You can then inspect the running container in the state it should be running. List stacks. Run the docker image: docker run -p 80:80 some-image-name:25 2. 4. Problem: py2dsc-deb is not available on Windows. In the documentation it is written: Run a command in a running container. – Feb 21, 2017 · I suppose I should've read the docker docs more! docker exec -it container mycommand works fine! For some reason I was thinking I had to initiate a bash prompt then use other commands, my mistake. To learn more, see our tips on writing great Sep 23, 2022 · For the setup you describe, I'd docker-compose run a temporary container. Provide Jul 14, 2018 · I am basically looking to achieve this 2 steps: 1. docker kill $(docker ps -q) docker ps -q get id all containers. Feb 22, 2018 · AFAIK (correct me if I am misguided here), the environmental variables exported to the shell from which the docker build command is executed, are not passed to the Docker build context, i. In those scripts I create directories which fails as well. My question is how to access the rdf. Sep 4, 2017 · From the documentation: The ${variable_name} syntax also supports a few of the standard bash modifiers as specified below: ${variable:-word} indicates that if variable is set then the result will be that value. To learn more, see our tips on writing great Aug 8, 2016 · I am sshing into a server in a shell script and running some docker commands. But what does it mean exactly? What does it mean to execute a command in container. sh which calls py2dsc-deb. Mar 4, 2019 · i try run docker with entrypoint. e. Run the influx client in this container: $ docker exec -it influxdb influx. But we cannot assume that every container has run shell or Jan 10, 2023 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Nov 10, 2017 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Sep 19, 2022 · I'm new to using Docker and need to use a lean OpenJDK 17 base-image to create an image of a Java web application and disable the ability of a user to log into a running container. /" docker stop test docker rm -test How can I make it work from within a shell script? Jul 24, 2018 · I am trying to deploy/run a spring shell application inside a docker container. Any suggestions on how to refresh the shell so nvm can work effectively? Apr 5, 2020 · Google's distroless images have versions tagged debug, which contain busybox executable (with sh bundled in). I am running Docker on Windows. ttl file] targeting the graphdb instance to load my RDF data from a file, located at: . The example in the docs only shows something like exec_entry p1_entry /bin/sh -c exec_cmd p1_cmd which does not tell me anything. but first step is to run the shell command itself inside the container using docker-py. According to the documentation, the exec form is the preferred form. This one's more like a quibble, btw, but also think about using lower-case names for your own variables; all-caps names are used for variables meaningful to POSIX-specified tools, whereas those tools -- including the shell -- are required to ignore variables with at least one lowercase character in their name as "reserved for applications". When I run this command: $ docker run hello-world I get : docker: Cannot con Mar 21, 2017 · It will keep running your container. The Docker daemon pulled the "hello-world" image from the Docker Hub. -t container:latest docker run -t -d container /bin/bash docker cp Sep 17, 2023 · The POSIX shell specification only defines a limited set of Special Parameters, $@, $*, $#, $?, $-, $$, $!, and $0. Oct 14, 2021 · The solution provided by @chepner is excellent: docker run -it --rm --entrypoint /bin/sh alpine/git But there is another way to do it: docker run -it --rm --entrypoint '' alpine/git sh Feb 21, 2022 · docker start will re-run the main process in an existing container. If you have to, you can arguably use them even in production (which defeats the purpose of increased security - such as hiding environment variables and protecting scripted apps code). More or less the compose becomes as follows: myservice: build: context: . group of root. py test_widget_abc This uses all of the setup from the docker-compose. sh inside a docker container. docker stack ls. Modified 2 years, 10 months ago. -t test_build and ran it as. Essentially, it creates an instance of your selected terminal, and every command thereafter automatically utilizes 'docker exec -it ' without the need for manual input each time. I'm using ubuntu 16. sh file with x (executable) as is in the host. If you don't like the look of concatenated commands, you could write a shell script and RUN that. -f Dockerfile. My initial thought something like: The user send a request for container X to Django. Usually I just nuke everything like this: docker rm --force `docker ps -qa` This works OK for me. I don't want to loop over the a Jun 25, 2018 · alternative aws. eclipse) from your shell, that shell is the parent-process, so it will get the environment automatically. yml file OR you can create an empty 'app' folder within the root folder, start with Dockerfile and docker-compose file, go into the shell and do startproject from within the shell with no problems as long as Oct 11, 2015 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 7, but it takes a lot longer to run the shell May 23, 2020 · To be more clear on the goal, let's use a better example, say I wanted a portable . RUN can be used any amount of times, to build Docker image layer by layer, while CMD can be executed only once when the image has been build. Any tips gratefully accepted ! This was my docker-compose-dev. export COMPOSE_PROJECT_NAME=myproject docker-compose run app_test python manage. i have found an image on docker with curl built in. here's a short part of a script that removes the /bin/sh -c "" from the command that can appear if you use docker's shell syntax for CMD: Nov 18, 2016 · You can commit exited containers, I tried the following : sudo docker run -d debian:jessie /bin/touch /test1 then checked the container, it was exited. However if you use docker attach it attaches to the shell at PID 1, not the one started with docker exec. docker run -t -i -p 5902:5902 --name "mycontainer" --privileged myImage:new /bin/bash. 04. To learn more, see our tips on writing great Jul 30, 2024 · So for this to work, when an administrator runs docker exec, they'd have to explicitly specify that they want to run a shell, and that they need it to read shell dotfiles, sort of like. The workaround is to run: docker run -d --privileged docker:dind it starts in the background and then I can run docker exec -it <container> sh and get a shell. (Assuming it was not already locally available. Basically with this command odoo shell -d postgres you are running Odoo shell instance without any configuration, and Odoo application database selected as postgres, change it to the following Jan 17, 2017 · After some testing and reading the docs it's obvious that there is no way to mimic the dockerfile or docker-compose entrypoint behavior with docker run. I connected to container like below. And then I start a process (a Python script for example), and exit the container with cntrl-p then cntrl-q to keep the script running in the background. That requires that wget or curl is present Dec 3, 2020 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Aug 10, 2021 · docker run image_name /bin/bash -c "cd /path/to/somewhere; python a. If you want to change the shell that's used for the container runtime, you can add CMD ["/bin/bash"] to your Dockerfile in order to change the container default executable to /bin/bash. Oct 2, 2021 · Django can be done either way, where you can either create 'startproject' on your local machine, then create Dockerfile and docker-compose. However some of the commands fail in docker version 1. spec: selector: matchLabels: . C:\\tools\\cloud&gt;. yml). Jul 22, 2021 · docker build -t my/image . Mar 1, 2019 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. $_ isn't one of the standard-defined special parameters, so it expands to an empty Aug 16, 2021 · I am able to get into the docker. These variables will be used by the Java application. echo -e 'user\nPassword\[email protected]' | (docker login) returns Username: Password: EOF not complete the operation. iso image managed by VirtualBox, not the git-bash installed on your Windows host. docker_setup. Feb 27, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. g. But I have a scala file that I want to run. But I want that it will start with a shell. Remove one or more stacks. May 25, 2020 · to a container via websocket and get a shell inside his browser, so he needs no additional setup etc. apiVersion: apps/v1. I've created a daemonset which adds a systemd unit and timer file to every host in the cluster. I simply entered into container and ran spark-shell, post that I did :load input. ttl (relative path from the Dockerfile and docker-compose. You'll have to get it into the container by using a COPY statement. bashrc etc. Ask Question. I start a new shell session with: docker exec -it my_container bash. I can't imagine a situation that exec command is executed by a shell run in the container. 2018-07-20 19:24:44. To learn more, see our tips on writing great Oct 2, 2017 · I seem to be stuck here. root. I am getting errors running other shell scripts as well. sh line: echo `ls -d /input/sub-*/ | sed -e 's/. E. Thanks for contributing an answer to Stack Overflow! export was just an example, I want to run a shell command inside the container. So when you have multiple Instructions on your Dockerfile to create your image, it's important to organize your Instructions in a way that it reduces the number of intermediate images. May 11, 2015 · With the Windows Docker Desktop GUI, there's a feature that not only lets you open a direct shell on a container but also opens that shell in an external terminal. Now I want to execute a shell command. docker run -it <container_name> <image_name> /bin/bash and get an interactive bash shell. Mar 31, 2024 · Docker entrypoint and cmd together; Explanation. 12. So I want to run the same input. py shell Aug 27, 2018 · I am running minikube instance on window 10 machine. sh"] Aug 4, 2016 · docker stop test docker rm -test But when I run it as a shell script, the Docker container is neither stopped nor removed. Jan 6, 2020 · I am trying to create a shell script for setting up a docker container. List the services in the stack. /manage. yml file except the ports:, and it uses the command you provide instead of the Compose command: or Dockerfile CMD. The command docker kill $(docker ps -q) uses to stop running containers. The Docker daemon created a new container from that image which runs the executable that produces the output you are currently reading. This script will run a command and save the output as an environment variable. Aug 27, 2014 · I can not make the command "Docker Login" with "shell", I use this command for this type of access, more "Docker Login" it does not seem to serve. Cloud Shell has docker-machine tool pre-installed for you to create & manage your remote Docker VM. I used the command docker-compose -f docker-compose-dev. And I tested cron by creating a simple script to touch a file, and it worked fine. When you do docker run the container you can tell it to run an interactive shell instead of the main process, and this can help debug the startup sequence. Jun 16, 2020 · Docker buildx build: I simplified this by removing --build-arg and BUILDVAR= parameters, as all but 1 tag: time docker buildx build --no-cache --platform linux/arm64 \ -t f1linux/testrepo:test1 . docker-machine ls docker-machine env --shell cmd <nameOfTheMachine> docker-machine ssh <nameOfTheMachine> The shell you are after is the one provided by the Linux TinyCore boot2docker. I'm trying to connect to a running container or start a new container in interactive mode with the bash shell -- not the sh shell. io sudo service docker start sudo Nov 20, 2017 · I want to build via the docker-compose an image that uses my private key for cloning private git repos. Jul 30, 2020 · docker run -p 5432:5432 --env-file=". May 22, 2022 · I'm trying to export environment variables from a Docker container using a shell script. 3 After I run: do Skip to main content Stack Overflow Mar 10, 2020 · I need to install docker and login to my repository in one script. With my earlier docker image. py" However, I can specify the default shell in the Dockerfile with the SHELL instruction. If you really needed to mount something, you'd have to do it in your container startup, and you'd have to run the container with the very broad docker run --cap-add SYS_ADMIN or docker run --privileged options. Now "docker ps" returns whole data about the container but I was looking for just the container ID to 3. Cron doesn't work with docker? Jul 26, 2017 · After some further investigation: Using CMD over RUN is not a perfect solution because of the way those commands work. To send a signal to the script you could use. Jul 18, 2021 · This ideone demo with nl instead of docker build demonstrates the variations, and coincidentally proves why you want to avoid echo -e even if your login shell is e. ) 3. To learn more, see our tips on writing great Jan 22, 2023 · I'm working on a shell script, which from the user's OS, will run a series of commands to open docker, if the user has it already installed, if the user doesn't have it, it will install docker and only after installing docker script will open it. This gives you a shell to expand variables, sub commands, piping output, chaining commands together, and other shell conveniences. It will still keep your container running until you stop with docker stop container_id/name Hope this Dec 10, 2015 · Stack Overflow for Teams Where developers & technologists share private in a command shell: docker exec -it -u root localserver_web_1 sh -c '/root/scripts/define Jan 6, 2017 · Let's say I have a running docker container my_container. 7. /init. I want to create a container that runs a shell script with a curl command. The file /dev/ptmx is a character file with major number 5 and minor number 2, usually of mode 0666 and owner. The Docker daemon streamed that output to the Docker client, which sent it to your Sep 4, 2021 · This related to login shell VS non login shell, login shell will execute . docker stack ps. docker exec -it /usr/bin/npm run test Sep 23, 2015 · I am new to the docker world. Sep 13, 2022 · Alternatively you may start your docker just from commandline as e. I have to invoke a shell script that takes command line arguments through a docker container. yaml I used for testing out an app that was using localstack. /rdf/rdf. docker stack rm. For example, if you have Dec 9, 2022 · I am looking at Docker's documentation to understand what would be behavior of ENTRYPOINT defined in exec form and CMD defined in shell form. Asked 2 years, 10 months ago. In docker, only one foreground process can run. docker exec -it <containerId> /bin/sh -c "kill -INT <script pid>" Some shell implementations in docker might ignore the Jul 11, 2019 · Docker will create an image for each Instruction on your Dockerfile but if there was an image created with that Instruction already, it will use that image instead. Jan 19, 2021 · I m trying to write a shell script that builds/runs containers and then copies files from docker container to host. Running this script file will run the container in a newly invoked bash. Jan 29, 2018 · From the docker image docs here: Start the container: $ docker run --name=influxdb -d -p 8086:8086 influxdb. then ^D to exit Then I will have a container running that I have to clean up. To start an interactive shell for the Ubuntu image we can run: ole@T:~$ docker run -it --rm ubuntu root@1a6721e1fb64:/# ls bin boot dev etc home lib lib64 media mnt opt proc root run Dec 3, 2019 · shell executor (tagged: shell_executor) docker executor (tagged: docker_executor) the docker executor runs docker commands just fine, but the shell executor throws: I've already set gitlab-runner to the docker's usergroup. cpbk sjb xiv xjb wmbk wwonvc axg nfavlu ddkv wuujzsm
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