Docker bash not working

Docker bash not working. This page describes how to troubleshoot and debug the daemon if you run into issues. The z option tells Docker that two containers share the volume content. sh the script runs but does not provide the outcome that it May 7, 2016 · Fixing your PATH, changing permissions, and making sure you are running as the appropriate docker user are all good things, but that's not enough. The only way to fix the issue is to delete the docker machine image, properly set the /Users/yourname directory as the share folder in Virtualbox and create a new docker machine image. This is a popular Linux container image that uses Alpine Linux, a lightweight, minimal Linux distribution. Share. internal:host-gateway ubuntu:18. As you are not root, so defintely the docker info could not be Sep 17, 2022 · Host machine - Lenovo Flex 5 - AMD Ryzen 7 Windows 11 Home 64 bit Docker Desktop 4. the whole line will be treated as the command to exec', rather than the first item, with the remaining being passed as arguments to exec'ed command. Jul 31, 2017 · You should rather use docker logs containerid to see the output of your code. I have also tried with below steps (to reset network settings) pkill docker iptables -t nat -F ifconfig docker0 down brctl delbr docker0 docker -d. 8 DOCKER_OPTS="–dns 8. Tip. docker run -d --name=my_nginxtemp nginx docker exec -i -t my_nginxtemp bash docker commit my_nginxtemp my_nginx My Host is Ubuntu 16. docker Oct 6, 2016 · Docker images are pretty minimal, but you can install ping in your official ubuntu docker image via:. Jan 15, 2015 · I'm using Docker on MacOSX (with Boot2Docker). Further below is another answer which works in docker v23. If I attach to an already running container using docker container attach --sig-proxy=false mycontainer CTRL-C will detach without stopping the container. Net application. Dec 29, 2015 · Docker & Virtualbox seem to have an issue with mounting a volume outside of the /Users directory. yml version 3. dll"] This is combined with the command: from the docker-compose. go:175: exec user process caused "no such file or directory". ” Jul 17, 2015 · I can also get a bash instance (through docker exec -i -t container-name bash) in the container and run the script successfully (note that by default I have su privileges when I get the bash). Neither can be used for general development. The most common reason why a Docker container is not accessible is because it is not But we also don't want to change existing scripts that work on normal machines just so that they work in docker, which doesn't need the sudo. deb (e. I have Hyper-V checked and WSL installed and running. You can test running: docker run --rm --add-host=host. Jul 25, 2021 · CTRL+C sends a signal to docker running on that console. Jun 8, 2017 · Another thing to be careful about is that after every FROM statement, all the ARGs get collected and are no longer available. 0 (and persisting through 4. Here are some of the most common reasons and how to troubleshoot them: The container is not running. This syntax will work - you'll see exactly the same outcome except that port mapping will actually work. Instead, we can define a dummy bash script to replace sudo, which just executes the arguments without elevating permissions, and is only defined inside the docker image. If you do not find a solution in troubleshooting, browse the GitHub repositories or create a new issue: docker/for-mac; docker/for-win; docker/for-linux; Diagnose from the app Alpine docker image doesn't have bash installed by default. docker start 90e does not seem to do anything. Be careful with multi-stage builds. ). when I type docker --version command in Command prompt, it doesn't recognize it at all. Also don't use the root directory as working directory. 10. Expected behavior Pre May 2, 2017 · I would expect this to be running with port 81->80 but it is not. Learn more Explore Teams Feb 20, 2023 · If the environment variables are incorrect, it can cause Docker Compose exec bash to fail. As a result, Docker labels Apr 6, 2021 · Steps to reproduce: Install Docker and try to run Linux Containers. 0. 7) Linux. Jan 19, 2022 · The problem was that I wasn't running the script asynchronous, and bash was waiting to end the tail command at the end of install. docker exec -it <containerId> /bin/sh -c "pkill -INT -f 'start\. (Thanks to comment from @sprkysnrky) The info in this answer is helpful, thank you. You will need to add the following commands to get bash: RUN apk update && apk add bash If you're using Alpine 3. bash_profile. On RedHat/CentOS, run: sudo systemctl start docker. windows-subsystem-for-linux; docker-machine; docker-daemon; May 10, 2017 · then you can do port-mapping in docker to your web app. To install vim, use this command Jan 6, 2017 · After updating my ubuntu to 5. docker exec -it containerId bash Mar 18, 2024 · Here, we’ll log in to the container with a basic command line interpreter (/bin/sh). But, it works in Ubuntu and it is installed by default like apt-get. OCI runtime exec failed: exec failed: container_linux. To send a signal to the script you could use. This makes it easier to refer to in the future. The message will be this: 'docker' is not recognized as an interna docker run --name MyContainer MyImage -p 8080:80 will create container MyContainer from MyImage without issue. Make sure your script is executable (run chmod +x Script. Surprisingly running exec bash, envvars were using the values defined in the docker-compose up command's shell, not in the docker-compose exec bash shell. Change it to "docker exec -t" and it'll work fine. Tags have two components, separated by a colon. I am then unable to switch back to Linux Containers. Once I defined them, it ran successfully. My container is on CentOS 7. docker exec -it <containerId> /bin/sh -c "kill -INT <script pid>" Some shell implementations in docker might ignore the Now available on Stack Overflow for Teams! AI features where you work: search, IDE, and chat. However, if want to know more about Docker internals, try running Docker commands in debug mode for more verbose output: Oct 31, 2016 · As I mentioned in the comments, docker stop sends a SIGTERM. 29. I can execute what commands I want on that. 10 RUN mkdir tmp123 RUN cd tmp123 RUN pwd has the output : Uploading context 10240 bytes Step 1 : FROM ubuntu:12. docker run -t -i -p 81:80 myImage /bin/bash and from here I can start the service. you need to run a shell first. May 13, 2019 · The SHELL command only modifies the shell that is used to execute the instructions inside the Dockerfile. On install, Docker fails to start (with Linux Containers). The following Dockerfile : FROM ubuntu:12. Nov 27, 2023 · The problem is that after installing it, docker seems to be ok, but the docker daemon is not working. sh and it seems to work fine when running it on ubuntu but when I run it on Windows using Git Bash I Apr 15, 2014 · cd is not a command - but a shell built-in - ie. sudo docker exec -it oracle18se /bin/bash Aug 31, 2024 · The -t in the command tags your image with a given name (my-website:v1). When I issue “systemctl status” I get results “Failed to get D-Bus connection: operation not permitted. Use docker run to create a new container using the new image, specifying the command you want to run. The command must be an executable. It is part of red-hat. In this guide, we’ll explore the potential causes of this error and provide step-by-step solutions to resolve it on Linux systems. Feb 11, 2024 · Description Upon upgrading to 4. Aug 24, 2022 · RUN /Script. What you can do is: ps aux | grep <<container id>> | awk '{print $1 $2}' The output contains: <<user>><<process id>> Feb 10, 2015 · docker run --dns 8. Running . . You can always restart the docker daemon. However, when I run the script from the host through docker exec -i -t container-name /run. 1 Linux. Yum is not part of Debian or ubuntu. Next, using the Alpine Package Keeper (apk), we can install bash into the container core utilities. The first part sets the image name, while the second usually denotes its version. Troubleshooting the Docker daemon. This works: docker exec -it my_container sh -c "echo a && echo b" This doesn't work: docker exec -it my_container "echo a && echo b" Options Jan 31, 2018 · Only newer docker versions have the magical string host-gateway, that converts to the docker default bridge network ip (or host's virtual IP when using docker desktop). ENTRYPOINT ["dotnet", "MyWeb. 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. docker exec containerId bash means you want to get to a bash process inside the container. docker-desktop is used to run the Docker engine dockerd, while docker-desktop-data stores containers and images. It never has. sh. docker run -P mylocalimage bin/a3-write-back or I get: docker "env: can't execute 'bash': No such file or directory" Mar 19, 2024 · However, encountering the error message “Bash: Docker: Command Not Found” can be frustrating, especially when you’re trying to work with Docker containers. Update it to use it as below. How to Fix Docker Compose Exec Bash Not Working. log". Add this to your Dockerfile: Apr 25, 2024 · docker run -d--name container-name alpine watch "date >> /var/log/date. docker-compose -f < specific docker-compose. My ENTRYPOINT script doesn't execute and throws standard_init_linux. To run docker daemon on Linux (from CLI), run: $ sudo service docker start # Ubuntu/Debian Note: Skip the $ character when copy and pasting. But the -p 8080:80 part will be silently ignored and your port mapping won't work. The below commands can be used to reproduce the issue. after various attempts to resolve it, My final solution was to downgrade docker to the previous working version. ie. Use the following commnand instead. This would get you the interactive login you're looking for. yml file you want to execute the command with. Jan 5, 2018 · source is a bash extension; your shell is not bash. It's going to continue failing because you are using "docker exec -it", which tells docker to use an interactive shell. docker. I attach to them using “docker attach ” However, in the attached shell, I am not Jul 12, 2015 · All the docker: start | restart | stop | rm --force | kill commands may not work if the container is stuck. go:345: starting container process caused "chdir to cwd (\"/home/oracle\") set in config. You can reuse ARG with omitted default value inside FROM to get through this problem: By default, Docker does not change the labels set by the OS. 27. Oct 14, 2022 · Unfortunately, your link has been broken (or it might be inaccessible from Iran). And since sh is not bash, there shouldn't be a bash tag on this question; bash isn't involved in it anywhere. When you execute docker run, the container process that runs is isolated in that it has its own file system, its own networking, and its own isolated process tree separate from the host. To execute the script directly use the exec array form instead: RUN ["/Script. the exec'ed command did not exist, not the directory. Issue resolved! The problem was my WSL Ubuntu distro installed without DNS configuration so name resolution wasn’t working, that plus I had to install my companies web proxy certificate to get github and other basic supporting packages working before moving on the docker commands. 0 (85629) I can start/run containers from Docker Desktop and connect to them with the integrated CLI from there. 1 host. Thanks Sep 22, 2020 · I want to override the entrypoint and run arbitrary commands but this is not working for me: docker run -it --entrypoint /bin/bash myimage bash -c "echo aaaa &" I get /bin/bash: /bin/bash: cannot execute binary file Nov 16, 2017 · So I am running a script that calls: docker-compose run --rm web sh /data/bin/install_test_db. bash_profile is sourced (itis an interactive shell), since bash_prompt is called by . Please guide me. The host may be local or remote. My VM is running on Ubuntu 17. 3+ then you can just do: RUN apk add --no-cache bash To keep the docker image size small. service nginx start and from another tab I can see it is working as intended (also in my browser): Feb 23, 2016 · Indeed, "the docker will not be Up state" because you do not provide any command, then the bash is run, but as there is no tty nor stdin nor stdout then bash exits. Quoting everything passed to the container breaks things - ie. This is a dirty hack, not a solution. yml file to form a single command to execute; the bash -c instruction just gets passed as additional parameters to your . Dec 6, 2023 · Running a Bash shell inside a Docker container allows you to interact with the container in real time, making it a powerful tool for debugging and development. – Users with a paid Docker subscription can use this option to send a support request. docker run -p 4000:3000 --name 'your_container_name' 'your_image_name' start the container and see the port using the below command on your cmd or terminal. A chained or a quoted command doesn't work. Type docker . – Jun 19, 2017 · Clearly it's running but when I docker exec -it 15f3bfef906f bash. apt-get update -y apt-get install -y iputils-ping Chances are you don't need ping on your image, and just want to use it for testing purposes. . sudo docker exec -it --user root oracle18se /bin/bash I get. yml> exec postgres bash For example if you want to run the command with a docker-compose file called local. docker port <your_container_name> Dec 20, 2021 · The shell from which I wanted to run docker-compose exec was lacking these envvars. Although there is not enough evidence of which Linux OS you are trying to use, a solution is provided as follow work under . Jan 11, 2021 · You mention in a comment that your Dockerfile sets. Reproduce Open WSL prompt. sh). See the POSIX spec for the dot command, which is the portable equivalent. For me yum package manager worked. rpm (e. 10 ---> b750fe79269d Step 2 : RUN mkdir Docker runs processes in isolated containers. Oct 5, 2021 · Download the docker bash completion the completions will not work if the docker daemon is not bound to the default communication port/socket If the docker May 11, 2015 · Sample start: docker exec -it <containername> /bin/bash; Quit: type exit; Pro: Does work on all containers (not depending on CMD/Entrypoint) Contra: Creates a new process with own session and own environment-vars; Option 2: Attach to the already running bash (better) Sample start: docker attach --detach-keys ctrl-d <containername> Quit: use Mar 25, 2018 · I already installed Docker for windows. Oct 20, 2016 · In this troubleshooting guide aimed at people new to Docker, you’ll troubleshoot problems when building Docker images, resolve naming collisions when running containers, and fix issues that come up when communication between containers. 8". Oct 20, 2016 · We just covered the most common issues you may encounter when working with Docker containers, from building images to deploying a network of containers. If your script is being run by the sh shell, but you want bash, the proper solution is either to have the sh process invoke bash as a one-off, e. 2, docker-compose. I had similar issue. However, when I try to run one of my own images like this: docker run -P mylocalimage or. sh'" Or include echo "my PID: $$" on your script and send. Docker has a --debug flag which is intended mainly for Docker developers. Diagnose. The command runs in the default working directory of the container. But if I switch to Windows Containers, Docker starts without any problems. bash -c 'source /script. sh && …', or you could even go so far as to avoid bashisms (like source) entirely, and instead opt to only ever use valid POSIX equivalents, e. If the container is not running, you won’t be able to connect to Jul 10, 2021 · As chepner commented (earlier answer), . 0-34-generic. With Docker Desktop version 4. But docker issue 9299 illustrates that TERM doesn't seem to be set right away, forcing the users to open another bash with: docker exec -ti test env TERM=xterm-256color bash -l May 8, 2016 · if you have many docker-compose files, you have to add the specific docker-compose. Press <tab>. sh"]. However, if you have other containers running, that may not be the option. sh is the shell form of the RUN instruction, which will execute /bin/sh -c <command>. ipv4. Here, I will run "bash": docker run -it image_name bash. Means the curl will download a script, and the log Docker is not running. You can run commands, inspect the filesystem, and even install new software inside the container, all from the comfort of your Bash shell. The issue starts when I Start/Run containers through my terminal. 30 and earlier, Docker Desktop installed two special-purpose internal Linux distros docker-desktop and docker-desktop-data. 2), Bash command line completions have stopped working. According to your edit, this doesn't work for you, however, I just tried it with exactly the same command (changed the image to ubuntu though) and it works. Here is what worked for me sometime back and now it does not work anymore: docker run --rm -it postgres bash The above command opens a bash inside the postgres container. 04 cat /etc/hosts, then see if it works and show the ip in the hosts file (there should be a line like 172. 12. json failed: permission denied": unknown If I do. yml, here the command will be Troubleshooting Docker Container Not Accessible on Localhost. Jul 4, 2021 · I have Docker Desktop for Windows and Git (including Git Bash) installed on my computer. To change the label in the container context, you can add either of two suffixes :z or :Z to the volume mount. /script. Why so? Doesn't Work $ docker build -t gilani/trollo . The docker command works in the Command Prompt and in Powershell, but not in Git Bash. I can run images from Docker Hub. Jun 8, 2016 · Please forgive me as I am very much new to docker and learning. A container is a process which runs on a host. is print due to not execute docker info correctly when execute that script. These suffixes tell Docker to relabel file objects on the shared volumes. Even apt-get, wget will not work. If you run for instance docker run -d ubuntu nc -l 1445 then the container will stay up. Fedora) package managers. You can turn on debugging on the daemon to learn about the runtime activity of the daemon and to aid in troubleshooting. (Using docker-compose version 1. When I did IP forward sysctl -w net. This command creates a new Docker container from the official alpine image. Dec 17, 2019 · sudo docker exec -it -u 0 oracle18se /bin/bash or . 8. 17. This command would execute and end immediately as you have not specified the interactive and the tty flags. This is the result: It seems like what helps one user does not work for the other. g. " exit 1 fi . docker run --name MyContainer -p 8080:80 MyImage Oct 30, 2019 · Inside container (in docker, not in VM), by default these are not installed. If you’re running into issues with Docker Compose exec bash not working, the first thing to do is to make sure the container is running. 04 and I am using Latest docker-engine and docker cli Apr 16, 2017 · I want to do a ps command in a docker container derived from Debian official Docker hub repository: $ docker run -ti debian:wheezy /bin/bash root@51afd6b09af8:/# ps bash: ps: command not found Dec 31, 2023 · docker compus up -d. Ubuntu) and . && docker run gilani/trollo Sending build context to Docker daemon 126 kB Step 1 : FROM vault:latest ---> 1f127f53f8b5 Step 2 : MAINTAINER Amin Shah Gilani <[email protected]> ---> Using cache ---> 86b885ca1c81 Aug 10, 2021 · docker info > /dev/null 2>&1 # Ensure that Docker is running if [ $? -ne 0 ]; then echo "Docker is not running. There are a few different reasons why a Docker container might not be accessible on localhost. ip_forward=1 I am able to ping but still yum command is not working. Disregard. sh (which was "endless"), here is the part of the code that was changed: Apr 14, 2016 · The command “systemctl status” is not working. I also tried entering it directly. niarf azkp ltavh faifyn zawbv rgqk rxldfwio kiw prejro balswrwwe