Docker exec bash not working

Docker exec bash not working. (Though you could install them on the fly. If the container is not running, you won’t be able to connect to Jul 10, 2021 · To get both color support and make tmux work, I combined both examples: docker exec -it my-container env TERM=xterm-256color script -q -c "/bin/bash" /dev/null Apr 9, 2020 · Somehow this is not working for me while docker exec -it [CONTAINER_ID] /bin/bash -c "export TERM=xterm; exec bash" works fine. Apr 4, 2020 · If you're not sure if a command exited properly or not, run $? # First run docker run -it my-image bash to get to the shell # Print the string hello echo "hello" # hello echo $? # 0 # Run a non existant command hello $(hello) # bash: hello: command not found echo $? # 127 Nov 23, 2021 · Your first command doesn’t start a bash shell. Sep 14, 2021 · For support of arrow keys one needs bash instead of sh. I'm going to be assuming you're using Docker for Desktop and so the reason you can docker exec just fine using PowerShell is because both PS and Docker for Desktop built for windows while GitBash which is based on bash which isn't natively used in Windows but in Linux and is based on the Linux shell (bash = Bourne-Again SHell). sudo docker exec -it oracle18se /bin/bash Aug 24, 2022 · However, if I run the container in the interactive mode and enter it using docker exec -it container_name bash and run the script, it works. My home directory was bind mounted with --volumes when initially created. If your script is being run by the sh shell, but you want bash, the proper solution is either to have the sh process invoke bash as a one-off, e. sudo docker run -itd -p 9090:8080 -p 50000:50000 --name=myjenkins -t jenkins-custom /bin/bash Feb 11, 2024 · To see the syntax of the Docker Exec and all its arguments, run this command. 7) Sep 2, 2015 · I start this image when the machine boots with docker start image-name. Then apt-get should work. Add this to your Dockerfile: Apr 3, 2021 · It works with ubuntu image wolf@linux:~$ docker run -it ubuntu /bin/bash root@00e6296d31d8:/# However, when I try it with different image such as vulnerables/web-dvwa, it doesn't work anymore wolf@ C:\Users\muthu>docker exec -it c31d1f693b74 /bin/bash root@c31d1f693b74:/# Same thing from git bash# (Not working) $ docker exec -it c31d1f693b74 /bin/bash the input device is not a TTY. yml file to form a single command to execute; the bash -c instruction just gets passed as additional parameters to your . xz That's not working, so I try another one which is : $ docker exec container-name bash -c 'mysqldump [options] database | xz > database. Access an NVIDIA GPU. If you are using mintty, try prefixing the command with 'winpty' 60135734@EHL5CG72513QQ MINGW64 ~ (master) $ Work around: As suggested by @siochs work's fine. Oct 29, 2015 · Nor it could exec command not installed. The docker exec command runs a new command in a running container. /script. yaml file. Here’s how to use them. 7 MB node latest 2e20fafa91aa 10 weeks ago 326. Similarly, you Oct 6, 2016 · Docker images are pretty minimal, but you can install ping in your official ubuntu docker image via:. sh (with permissions 755 using chmod +x start. g. The below commands can be used to reproduce the issue. 9 MB haproxy latest ae64833099ef 10 weeks ago 213. May 6, 2015 · At first I try command below: $ docker exec container-name mysqldump [options] database | xz > database. 6 MB mongo latest 278372cb22b2 10 weeks ago 260. docker exec --help. yml, here the command will be . 1 Linux. You gave the proper explanation. Once I defined them, it ran successfully. . Mar 18, 2024 · $ docker exec -it ubuntu bash -c "apt-get update && apt-get install -y vim" Here, first, we’re updating the packages using the command apt-get update, and then we install the vim package using the command apt-get install -y vim: $ docker exec -it ubuntu bash -c "apt list --installed | grep vim" WARNING: apt does not have a stable CLI interface. Jul 31, 2017 · docker exec containerId bash means you want to get to a bash process inside the container. 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. Try this way: docker exec -it rsnapshot bash $ ping -c 2 8. 3. Update it to use it as below. If bash is installed for a specific container, you can symlink sh to bash inside the container, so that bash is used by default. In order to start a Bash shell in a Docker container, execute the “docker exec Dec 17, 2019 · sudo docker exec -it -u 0 oracle18se /bin/bash or . To enter the image I have an alias defined in . 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. You also need to ensure that your entrypoint. Jul 17, 2015 · I have a script run. Your second and third example on the other hand starts a bash shell with TTY (-t) without interactivity (-i). Detach from the container command. 5 MB To run a Linux command on a Docker container immediately, without entering, you can use the docker exec command like this: docker exec container_name_or_ID bash -c "<linux command>" Depending upon the type of shell available within the container, the command may differ on a case-by-case basis. The next docker exec command wouldn't find it running in order to attach itself to that container and execute any command: it is too late. sh is executable, docker will copy the permissions exactly as they are on your build host, so this step may not be needed depending on your scenario. The command returns some useful information about the “docker exec” command, including its options. , lower lefthand corner: "Type here to search"), type in "Git" Jan 19, 2022 · I'm using su-exec to execute the swap the user and execute the next scripts as other user, and maybe that's the problem, I have been thinking too to move the user. sh Output: Thu Apr 2 14:06:00 UTC 2015 Feb 3, 2015 · thankyou for the response Andreas Veithen. sh. docker exec command will support in new versions only. 0 4448 692 ? Oct 5, 2015 · You can run the interactive mongo shell by running the following command: docker run -it -p 28000:27017 --name mongoContainer mongo:latest mongosh Otherwise, if your container is already running, you can use the exec command: docker exec -it mongoContainer mongosh Apr 2, 2015 · Scripts may be forced to run in interactive mode with the -i option or with a #!/bin/bash -i header. Jul 25, 2021 · I have the following two files in a directory: Dockerfile. 04 ca4d7b1b9a51 2 weeks ago 187. OCI runtime exec failed: exec failed: container_linux. The command runs in the default working directory of the container. Now the command is working properly. Jan 4, 2018 · The shell does not exit if the command that fails is part of the command list immediately following a while or until keyword, part of the test following the if or elif reserved words, part of any command executed in a && or || list except the command following the final && or ||, any command in a pipeline but the last, or if the command's Dec 30, 2020 · I then open the shell via following command which opens the bash terminal. This is a dirty hack, not a solution. That's because by default, a container is non-interactive, and a shell that runs in non-interactive mode expects a script to run. 8. The --gpus flag allows you to access NVIDIA GPU resources. 1 MB ubuntu 14. Sep 2, 2022 · ChatGPT had suggested using the mongo command in a docker-compose. docker run -P mylocalimage bin/a3-write-back or I get: docker "env: can't execute 'bash': No such file or directory" The docker exec command runs a new command in a running container. docker exec Requires an Executable May 11, 2016 · sudo docker run -t -i ubuntu /bin/bash Instead of this you can enter in a running docker with his number or name: sudo docker exec -it be8aa338d656 bash Then inside the docker run this code: apt-get update apt-get install vim nano Aug 10, 2018 · another alternative (if using Docker w/ windows 10). When I run the docker Apr 15, 2014 · cd is not a command - but a shell built-in - ie. /run. If I attach to an already running container using docker container attach --sig-proxy=false mycontainer CTRL-C will detach without stopping the container. 1. I guess that's why docker does not have a configuration option to use bash as a default. 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. sh"] start. The command must be an executable. Then, a user could ask udev to execute a script that would docker exec my-container mknod newDevX c 42 <minor> the required device when it is added. Aug 9, 2016 · If u execute docker container exec --help , it will show the options and method to execute the command Usage: docker container exec [OPTIONS] CONTAINER COMMAND [ARG] U have to use docker container exec -it [container_name] bash. 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. The info in this answer is helpful, thank you. It executes ping directly inside the container. I wrote that in the console and nothing happens or opens VISUALLY. The host may be local or remote. 3) Aug 24, 2021 · Issue explanation. – Running a Jenkins image in my container which is bound to the host port 9090. The script runs successfully. My script file looks like: #!bin/bash docker run -t -i -p 5902:5902 --name "mycontainer" --privileged myImage:new /bin/bash Feb 20, 2023 · If the environment variables are incorrect, it can cause Docker Compose exec bash to fail. 2, docker-compose. e. May 7, 2016 · I have pretty simple command which is working fine standalone as a command or bash script but not when I put it in crontab 40 05 * * * bash /root/scripts/direct. you need to run a shell first. To see my explanation, proceed beneath the screenshot. Once u are in bash then u can execute any command you wish. Jan 15, 2015 · I'm using Docker on MacOSX (with Boot2Docker). I'd run docker ps to get the ID of your running container then do docker exec that_id /bin/bash. 8 Feb 20, 2023 · One of the most common causes is that the Docker container itself is not running. docker exec -it containerId bash. I can run images from Docker Hub. Note: You still need to explicitly add initially present devices to the docker run / docker create command. go:345: starting container process caused "chdir to cwd (\"/home/oracle\") set in config. General form. ) With that, you can hack remote call, and perform 2, or complex calls. sh /app/ CMD ["/app/start. ENTRYPOINT ["dotnet", "MyWeb. 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. Aug 17, 2021 · I am trying to execute the following commands on the Execute Shell Script on Remote Host build step in jenkins. Net application. docker exec -it mongo-instance-1 bash But Mongo commands not recognized in there as follows. 2. The problem is that docker-compose exec workspace bash is not working. Now I'm using the new windows client and while docker exec -it container bash Dec 24, 2019 · Awesome, now that you know how you can use the “docker exec” command, let’s see some custom examples on usage of this command. Thanks If you run this image with docker run -it --rm -p 80:80 --name test apache, you can then examine the container's processes with docker exec, or docker top, and then ask the script to stop Apache: $ docker exec -it test ps aux USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 1 0. Jul 4, 2021 · I have Docker Desktop for Windows and Git (including Git Bash) installed on my computer. The command you specify with docker exec only runs while the container's primary process (PID 1) is running, and it isn't restarted if the container is restarted. Mar 19, 2024 · Let there are some situations in which you have to save your output in a file ( generally called log file). /gradlew build env: can't execute 'bash': No such file or directory Oct 24, 2021 · docker-compose exec workspace bash To open a directory and be able to write there: /var/www$ composer install In Docker everything seems to be okay installed and configured. But that's really lame. yml exec postgres bash Then, use psql command and specify the database name with the -d flag and the username with the -U flag Oct 30, 2019 · Should you encounter permission denied issue while running apt-get, you need to run docker exec as root. sh and even Jun 9, 2017 · /usr/src/app may not be in your path so you should include the full path to the script. (1) If Git is not already installed: install it. The most popular usage of the “docker exec” command is to launch a Bash terminal within a container. 29. The command started using docker exec will only run while the container's primary process (PID 1) is running docker ps docker exec -it my-container-id-here /bin/sh If the exec command above does not work, check this SOF article: Error: Cannot Start Container: stat /bin/sh My ENTRYPOINT script doesn't execute and throws standard_init_linux. after various attempts to resolve it, My final solution was to downgrade docker to the previous working version. log which has Here is what worked for me sometime back and now it does not work anymore: docker run --rm -it postgres bash we can execute: docker exec -it <container_id> bash May 8, 2016 · docker-compose -f < specific docker-compose. The reason why this distinction between Bash built-in and an executable is important in the context of the docker exec command. sudo docker exec -it --user root oracle18se /bin/bash I get. docker exec automatically attaches your terminal to the command that’s run in the container. 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. sh script to somewhere where the script will be executed when it's started without using the entrypoint in the Dockerfile and instead swap to my other script install. sh sudo . bash -c 'source /script. It could be sh instead of bash too. Share. bash_aliases. yml> exec postgres bash For example if you want to run the command with a docker-compose file called local. docker exec -it container bash cd /internal But the internal folder is not found as if the docker exec command was not executed. Why so? Doesn't Work $ docker build -t gilani/trollo . the exec'ed command did not exist, not the directory. This lets you monitor the command’s output in your existing terminal session. "docker exec -u root -it <container> bash". . (>1. 1 0. I just added ENV TERM xterm before the EXPOSE statement, is that correct? – 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. If the container is not running, you won’t be able to connect to it with Docker Compose exec bash. docker-compose -f local. yml file to check the official MongoDB 6 container health status and it did not work. 0. However, when I try to run one of my own images like this: docker run -P mylocalimage or. 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. So adding shebang to the script with -i option should work: #!/bin/bash -i docker exec -it ed3d9e46b8ee date Run the script as usual: chmod +x run. Open a container May 11, 2015 · If you're specifically using docker compose, there is a convenience docker compose exec command that works very much like the docker exec command, except: It defaults to the behavior of -i and -t It allows you to refer to containers by their service name in your compose. 4 MB node-npm latest f2cd80405812 10 weeks ago 450. json failed: permission denied": unknown If I do. I have labeled the different parts of the help file in the screenshot below. alias d_enter="docker exec -ti ub1404-dev /bin/bash" So to enter the image I just type d_enter Jun 4, 2015 · I've always just used boot2docker ssh and in that I'd run docker exec -it container bash and it would work fine. ), products record ( buying or selling any goods ), or simply any kind of data that you can store in a log file. Jan 6, 2020 · I am trying to create a shell script for setting up a docker container. sh and clearly show that the source command works. Imagine the given docker scenario: You're exec -it somecontainer bash and crafting a oneliner: Jan 19, 2024 · Then, we use the source command to execute the script. Output can be user details ( username, password, Gmail, etc. Another common cause is that the Docker Compose configuration file is not set up correctly. Jan 6, 2017 · After updating my ubuntu to 5. This page details how to use the docker run command to run containers. 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. 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). Quoting everything passed to the container breaks things - ie. sh that I run as I initialize the container through docker run command. The container has already exited. Question Docker exec options. The docker command works in the Command Prompt and in Powershell, but not in Git Bash. I think it fails in the build process because Docker wants to use sh and not bash . go:175: exec user process caused "no such file or directory". However, bash is not supported by all docker images. sql. 3 MB openssh-git latest 7237bc657324 10 weeks ago 276. The Docker exec command supports a few other options too. How to Fix Docker Compose Exec Bash Not Working. When I upgrade docker to new version it starts working. 0-34-generic. If you docker run without attaching a tty, and only call bash, then bash finds nothing to do, and it exits. Further below is another answer which works in docker v23. Sep 15, 2014 · Using docker exec and docker commit to create a new image is not an especially maintainable path; if you need to recreate the image for any reason (say there's a security issue in the original base image) these manual steps won't be tracked anywhere. Image below: Dec 20, 2017 · AI features where you work: search, IDE, and chat. sh &gt;&gt; /root/cron. 04 and I am using Latest docker-engine and docker cli I created a docker image from openjdk:8-jdk-alpine and I want to use bash, rather than sh as my shell, however when I try to execute simple commands I get the following errors: RUN bash /bin/sh: bash: not found RUN . yml version 3. Doing CD wont work. sh) root@server:~# docker images basickarl/sensu-server latest 11068ff22d8f 23 minutes ago 371. And you should be able to get a bash. Docker Exec Bash. (2) from windows 10 search (i. xz' This time it worked. I had similar issue. ie. A docker run command takes the following Jun 8, 2016 · Please forgive me as I am very much new to docker and learning. (Using docker-compose version 1. – java25 Dec 20, 2021 · The shell from which I wanted to run docker-compose exec was lacking these envvars. This command would execute and end immediately as you have not specified the interactive and the tty flags. FROM debian WORKDIR /app COPY start. && 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 Jan 11, 2021 · You mention in a comment that your Dockerfile sets. dll"] This is combined with the command: from the docker-compose. rdnxh zazv mfyvlats lzwhd kjkj wzql ywxtbk vjnna ymblk lnjobv