Web Developer at Nortech International (pty) Ltd. What's the biggest mistake you've ever made while coding? Is there a single-word adjective for "having exceptionally strong moral principles"? Before you can install Docker you need to enable systemd. The following lines can be placed in .bashrc or .profile if autolaunching is desired, or in a separate shell script. If, however, when you launch WSL, you are still root, then set your new user as the default. iptables v1.6.0. You are at the right place. Been waiting for years now. But if you prefer a lighter, command line approach to working with Windows Containers, it is possible to install and use Docker static binaries without Docker Desktop. Ip stuff port forwarding etc. I had heard at Microsoft Ignite that Docker was super excited to partner with Microsoft to develop the Docker Engine for Windows Server. On Alpine, that's apk add sudo and on Fedora, dnf install sudo. So I added some sleuthing to the Dockerfile: FROM centos:7 RUN cat /etc/resolv.conf && ping -v -c2 host.docker.internal && ping -v -c2 1.1.1.1 && ping -v google.com && ping -v mirrorlist.centos.org RUN echo "timeout=30" >> /etc/yum.conf && cat /etc/yum.conf && yum -y install httpd. Either Windows is remembering somewhere that it doesn't add the iptables-legacy rules, or I'm missing a package (or more than one) somewhere. If you do not yet have a running WSL instance with a distro of your choice, the next step is to pick one from the Microsoft Store. This is quick and easy but is not advised. Docker Desktop delivers the speed, choice and security you need for designing and delivering these containerized applications on your desktop. Finally you can check with this command : If you see a # at the first position, the line is commented, run sudo visudo, find the corresponding line and remove the #, save and check again. Once unsuspended, bowmanjd will be able to comment and publish posts again. If you went with the default docker socket location of /var/run/docker.sock instead of the shared socket directory of /mnt/wsl/shared-docker as detailed above, then the script can be something like this: You may choose whatever location you would like for your docker logs, of course. Run Computer Management as an administrator and navigate to Local Users* and Groups > Groups > docker-users. Same results more or less. I only have one entry if I look for iptables: $ ls /usr/sbin/iptable* DEV Community 2016 - 2023. If I run "nslookup www.microsoft.com " I get "DNS request timed out" - no response. WARN[2021-11-06T15:39:10.292307700+05:30] Please consider generating tls certificates with client validation to prevent exposing unauthenticated root access to your network host="tcp://169.254.255.121:2375" Currently interested in TypeScript, Vue, Kotlin and Python. See details regarding the companion Github repo by scrolling to the bottom. I've been reading both this and "Install Docker on Windows (WSL) without Docker Desktop". Rather than twist things to use the existing init system, we just launch dockerd directly: There should be several lines of info, warnings related to cgroup blkio, and the like, with something like API listen on /mnt/wsl/shared-docker/docker.sock at the end. Windows 11 Education: 2 TB. EDIT: It turned out that the eventual root cause of my issue was that my distribution was still on WSL1. Its surprisingly easy! failed to start daemon: Error initializing network controller: error obtaining controller instance: failed to create NAT chain DOCKER: iptables failed: iptables -t nat -N DOCKER: iptables v1.8.4 (legacy): can't initialize iptables table `nat': Table does not exist (do you need to insmod?) The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. Lastly, if you are working behind a proxy and need access to a private container registry, and get an x.509 certificate error with docker login, grab the root certificate of the proxy from your browser (export as base-64) and drop it into the docker certs directory related to your private registry/etc/docker/certs.d/{private_reg_name}:{private_reg_port}/ca.crt (private_reg_port is optional if you're using a standard port). Thanks for contributing an answer to Stack Overflow! Also note that a boot command in /etc/wsl.conf is only available on Windows 11. For that you need to execute the following PowerShell commands as admin: Docker then greets you with Hello from Docker!. sudo dockerd. (Depending on your network configuration, you may instead need to access this through http://[WSL IP Address]:8080 which should be obtainable with ifconfig or ip addr). I have based these instructions on those, with some tweaks learned from real world testing. Install Docker In PowerShell (run as Administrator) enter: Install-Module -Name DockerMsftProvider -Repository PSGallery -Force At the prompt, enter " Y " to confirm the installation of NuGet. Still had no "update-alternatives" for iptables which I believe is part of the problem I was having with Docker trying to run the "Computer Language Drag Racing" suite. Let's first make a shared directory for the docker socket, and set permissions so that the docker group can write to it. Thanks so much for this @jonathan Bowman, was really helpful, don't forget to do another article on installing docker-compose on a WSL Distro without passing through Docker Desktop, might be minimal but it would be a decent supplement to this awesome article of yours. Why do small African island nations perform better than African continental nations, considering democracy and human development? Is it known that BQP is not contained within NP? However I agree developing linux apps with docker on windows can be a pain I'd recommend just installing linux on a dedicated machine for that purpose if you can. If the upgrade command succeeded, you can skip this section. Templates let you quickly answer FAQs or store snippets for re-use. My own .NET rest API runs as expected and so do other containers. The Docker client just hides the fact that Linux containers are actually inside a vitual . Great we have now docker in windows running with WSL2. This means that every docker command is actually executed on the WSL subsystem and paths should be specified accordingly. If you instead received an error containing something like "Sorry, user myusername may not run sudo" then you may need to follow the steps again, from the beginning. When did this happen? I would prefer a prettier straight-foreward solution. I have installed Rancher Desktop application on Windows 10 and set it to use docker as container runtime. It's a peaceful symbiosis. I've played around with setting DNS in the container explicitly using the /etc/docker/daemon.json with things like "dns": ["1.1.1.1", "8.8.8.8"], but if the container can't even get connectivity to these ips that's not going to work.. My Debian environment does not have any iptables configured. Perhaps iptables or your kernel needs to be upgrade. Chances are, you already know these. Here are the commands: Now youre ready to run Linux containers as well. Trying to understand how to get this basic Fourier Series. The next time you do docker login, the auth section of ~/.docker/config.json will be updated. Thanks for this post, very useful previously. The issue is more easily reproduced on my system by just running ping commands inside the latest alpine image: The problem was that even though I had reverted to iptables-legacy in Debian, I still had iptables: "false" in my docker daemon.json. I got this error when I tried to run "sudo dockerd -H ifconfig eth0 | grep -E "([0-9]{1,3}. I ran Linux dual boot from 2000-2004 and then as a daily driver 2004-2017. We're a place where coders share, stay up-to-date and grow their careers. If you are using it for work, and your company exceeds a certain size or revenue, then consider paying for a subscription. This will set the default version to WSL 2, or fail if you are still on the first version. It is the latest from Microsoft - or so I thought. I don't care whether it's the fault of F5 or the community for not working -- if I can't VPN in, I can't work. I'm very interested if you have a simpler way to proceed :). But if the above commands fail to access the package servers, it may be something unique to your network, or your firewall or anti-malware software. To learn more, see our tips on writing great answers. Your docker daemon is running in WSL and you are just connecting to it with de docker command on Windows. WARN[2021-10-24T16:24:00.993150800+05:30] grpc: addrConn.createTransport failed to connect to {unix:///var/run/docker/containerd/containerd.sock 0 }. What!??? then that user has no password set. (https://dev.to/_nicolas_louis_/how-to-run-docker-on-windows-without-docker-desktop-hik), I currently start dockerd with "-H tcp://127.0.0.1" and it does work, I can pull images, run containers, build images etc. Is there a way to make Windows paths work in my current scenario? I even removed and installed fresh wsl. BTW I solved this issue switching from Debian to Ubuntu as WSL2 distro. Thank you! ko-fi.com/bowmanjd. The service (dockerd) and client (docker) communicate over a socket and/or a network port. Now, how to run dockerd and docker without copy&paste IP address in command line nor VSCode. If desired, you can configure it using Services to only start it manually. from a Windows terminal, my environment contains DOCKER_HOST=tcp://127.0.0.1:2375. yes, you are right but. Contrary to what the length of this article might suggest, getting Docker working on WSL is fairly simple. You could also make a batch file with the appropriate command in it. Not so ideal for development with that heat on my hand . macOS is expensive to buy (yet mainstream), as well as forced obsolescence (via OS updates + requirement, and repair / replacement prevention); not to mention keyboard layout confusion (which is "cost to change"). You will most certainly need WSL 2 to run the Docker service. Once you have installed the distro of your choice, launch it and set up a non-root user if you have not already. If you dislike the Windows Store, there are other options. High School, The Internet, Mother Nature, and Life itself.. But I have other things to do than spend my time trying to argue with people that we should be allowed to get Linux machines on our corporate network. - It uses the same technology as Remote Desktop (think VNC), except it only does it for a single Window (and it's child windows). I do have one question though. The following contents will work in such a script: You could go a step further and ensure that dockerd is running whenever you start Powershell. I had in mind to make my existing toolchains still working (VSCode, Visual Studio). WARN[2021-11-06T15:39:10.294801200+05:30] Support for listening on TCP without authentication or explicit intent to run without authentication will be removed in the next release host="tcp://169.254.255.121:2375" Debian 9, I see. This image contains the .NET SDK which is comprised of three parts: .NET CLI. Given this, you probably want to configure Debian to use the legacy iptables by default: If you are comfortable, instead, with nftables and want to configure nftables manually for Docker, then go for it. Custom installations are also a great option with WSL 2. Except for you, of course, for which I am extremely grateful. We tried. After this operation, 0 B of additional disk space will be used. Through group membership, grant specific users privileged access to the Docker socket, Creates the shared docker directory for the socket and, For performance reasons, only bind mount from within the Linux filesystem. The steps to create and run containers on Windows Server using Docker can be summarized as follows: 1. To run WSL 2, Windows version 1903 or higher is needed, with Build 18362 or higher. ibb.co/yQGVZ18 There's no fight between Windows and Linux since wsl2. But if you, like me, feel that all the added complexity of Docker Desktop is unnecessary, you don't need Windows containers, or you are simply tired of that whale in the system tray taking so long then perhaps you want to run the docker daemon (dockerd) in the WSL distro of your choice and be happy. If you are getting started with Windows Container development, one option is to install Docker Desktop. DEV Community A constructive and inclusive social network for software developers. Plain and simple. Feel free to try it out. Strange my Debian is so far behind. I really liked how your turned windows into a linux by adding a c:\bin dir :). Dependencies will be installed later, automatically. You can just download them, put them in your PATH, register the Docker Daemon as a service, start it and run your Windows containers like youre used to. 14: curl#6 - "Could not resolve host: mirrorlist.centos.org; Unknown error". Have you heard of portainer? Before doing this, we will need two bits of information: the user id, and the name of the WSL distro. However, you may have other settings you wish to put in daemon.json, so you may appreciate some familiarity with this topic. See more details about the Docker subscription model here. Do roots of these polynomials approach the negative of the Euler-Mascheroni constant? Sometimes you need this simple as that. Hopefully you will see something like "Version 21H2. Windows can do a lot of things linux cant and has a lot of cutting edge hardware support. If you used Debian or Ubuntu from the Windows store and set up the default user on first launch, then sudo should already be configured on behalf of the default user. When executing these lines you'll be prompted to enter your distro password (sudo) and I'll see after the log of dockerd. Kubernetes can be installed and configured many ways and Dcoker DEsktop will give you one version. Docker only supports Docker Desktop on Windows for those versions of Windows 10 that are still within Microsoft's servicing timeline. To do so, enter sudo visudo and add the following line (if your visudo uses vi or vim, then be sure to press "i" to begin editing, and hit ESC when done editing): Save and exit (":wq" if the editor is vi, or Ctrl-x if it is nano), and then you can test if sudo dockerd prompts for a password or not. If the result is a random hash string, then you are good. I will write an article eventually, but it is there. Windows 11 Pro: 2 TB. Now on to the Linux containers. You should see docker when you run the command groups to list group memberships. Note that the above steps involving the docker group will need to be run on any WSL distribution you currently have or install in the future, if you want to give it access to the shared Docker socket. I mainly followed these instructions to install Ubuntu 20.04-LTS using WSL2 and prepare everything that dockerd is running inside this instance. At this point if you run docker run hello-world:nanoserver as a non-privileged user, you will encounter the following error: One, to always use an elevated PowerShell to work with Docker. I will comment with more detail in your answer. A Linux dev machine is quite desirable. I'm sure a lot more people will be visiting this page now that Docker has changed their license terms. It just needs to be in a place that has permissions so that your user can write to it. Once unpublished, all posts by bowmanjd will become hidden and only accessible to themselves. If not, first make sure that sudo is installed. On a normal Azure VM it runs without problems. Is your user a "sudoer"? Of course, if you use Docker without Docker Desktop, as detailed in this article, then this does not apply. Startup is intentionally being slowed down to show this message host="tcp://169.254.255.121:2375" If it returns "Yes, that ID is free" then you are good to go, with the following: Or, if groupmod is available (which it is on Fedora, Ubuntu, and Debian, but not Alpine unless you sudo apk add shadow), this is safer: Once the group id has been changed, close the terminal window and re-launch your WSL distro. Then add and update the repo information so that apt will use it in the future: Now we can install the official Docker Engine and client tools: The Docker daemon is a service that Docker requires to be running in the background. Isn't the deamon running inside wsl in any case? Some of the code examples above have been placed in scripts in a companion Github repo. If you came here looking how to get Docker running easily, or if you want Windows containers (still a rarity) out of the box, then Docker Desktop is your friend, and you can go install it now. Unless I missed a step above, when I got to "update-alternatives --config iptables" it's still broke on my system. If the /etc/docker directory does not exist yet, create it with sudo mkdir /etc/docker/ so it can contain the config file. Here is what you can do to flag bowmanjd: bowmanjd consistently posts content that violates DEV Community's For Linux containers you can install the Docker Daemon in WSL2. It just isn't setting up the legacy rules. Hi, I have exactly the same issue @bowmanjd can you share any hint about how to get Internet connection working on docker containers running on WSL2? Assuming that the dockerd start script detailed above is saved in a file in WSL as $HOME/bin/docker-service and is executable (try chmod a+x $HOME/bin/docker-service), then the following line in your Powershell profile will launch dockerd automatically: Not sure where your Powershell profile is located? I reused and I adapted it to make VisualCode working with dockerd under WSL2. And that's all! failed to load listeners: listen tcp 169.254.255.121:2375: bind: cannot assign requested address, jai@FA057586:~$ wsl Step-1: Download the " Docker Desktop for Windows " exe file from here ( https://hub.docker.com/editions/community/docker-ce-desktop-windows/) and run it to install. I suggest using the configuration file /etc/docker/daemon.json to set dockerd launch parameters. Maybe the project I'm trying to compile doesn't like Debian 9! Success. As with the last step, if you only plan on using one WSL distro, this next step isn't strictly necessary. I'm flummoxed. And I use WSL2 because Linux excels at CLI and daemons. When signed in as the user you set up (try su myusername if you are still root), can you sudo -v without an error? One is to expose dockerd over a TCP Port, or, better yet, set up an SSH server in WSL and connect that way. I did. If you need to set a password, you can use passwd myusername (of course, in all of the above, use your username in place of "myusername.". Hey, great stuff! Once unpublished, this post will become invisible to the public and only accessible to Nicolas Louis. Is it suspicious or odd to stand by the gate of a GA airport watching the planes? Hello, there is a small error in regex provided to get the host's IP address; if the output of ifconfig eth0 returns this: it will match the line starting with "TX packets too". I was able to run simple commands on Windows with docker like, docker run -it --rm ubuntu sh However, I could not find an option to switch it to run Windows container. Microsoft's has step-by-step instructions on how to upgrade to WSL 2. Specifically, you use the the Containers extension of your Windows Admin Center instance to run the containers. However, due to both WSL and Docker complexities, a little tender loving care is required to get Docker up and running. Docker Desktop is not supported on Windows Server 2019 OS host, Docker Desktop is only supported on Windows 10 host, Mac and planned for Linux Desktop ( there are kernel difference b/w Windows server host and Windows 10 desktop) Note that Docker Desktop is only free individuals or for small companies. Hi, you can use the variable DOCKER_HOST to specify the way you want to connect to docked : unix://, tcp://, ssh://. Get the IP address given with the line API listen and In another WSL terminal, you can test the following command : docker -H 172.20.5.64 run --rm hello-world. Once suspended, bowmanjd will not be able to comment or publish posts until their suspension is removed. Most upvoted and relevant comments will be first. Never miss out on developer content you need to maintain a healthy developer career. On later versions of Alpine from the Microsoft Store, while a non-root user is created as part of setup, this user is initially password-less. It's a Web based docker ui. Unflagging bowmanjd will restore default visibility to their posts. A couple of updates when running in Windows 11H2 (and Ubuntu 22.04 in my case): 1) systemd is now native in Windows 11H2, BUT needs an updated WSL2 install (I was using WSL v0.63 and I believe native systemd support is in v0.68 onwards) - otherwise you get, Upgrading WSL to latest version means that updating /etc/wsl.conf with. How to force Docker for a clean build of an image. Rancher Desktop seems to simplify things a lot for Windows users: Are you sure you want to hide this comment? Maybe I did another mistake. Windows 11 Pro for Workstations: 6 TB. I set that host path in that previous tutorial in the daemon.json file. I love POSIX as well, but I don't have a choice. Here is what I get: $ update-alternatives --config iptables Even after upgrading WSL to 2 and running wsl --set-default-version 2, my distribution was still WSL1 as it was created before the upgrade. On your windows, you need to install a couple of things : (Inspired from the Jonathan Bowman's article), Check if sudo is installed if not : *apt install sudo*`, You would see something like sudo: x:27:myusername, Otherwise, We use usermod to add an user to the sudoer group. sudo apt remove docker docker-engine docker.io containerd runc, curl -fsSL https://download.docker.com/linux/${ID}/gpg | sudo apt-key add -, echo "deb [arch=amd64] https://download.docker.com/linux/${ID} ${VERSION_CODENAME} stable" | sudo tee /etc/apt/sources.list.d/docker.list , Practice yoga, write code, enjoy life, repeat. and run docker build with --add-host=host.docker.internal:host-gateway, I can see that I can ping the host from the container, but the container cannot seem to ping any external ip, even the cloudflare dns 1.1.1.1 or google's 8.8.8.8. If the above script is placed in .bashrc (most Linux distros) or .profile (distros like Alpine that have Ash/Dash as the default shell), or other shell init script, then it has an unfortunate side effect: you will likely be prompted for a password most every time a new terminal window is launched. I honestly haven't tried this with older versions of Debian. Yes ! Paul Knulst 2K Followers Husband, father of two, geek, lifelong learner, tech lover & software engineer. After installation has completed run from Windows wsl --shutdown Now let's ensure init.d and docker start run on boot (based on this guide) Windows 10 version is sourced on this guide Running Docker on WSL2 without Docker Desktop (the right way) - DEV Community Set Docker to start on boot 0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded. By default, non-privileged Windows users cannot reach the Docker Service. Microsoft offers a more detailed comparison in the docs. First, let's pick one. sudo dockerd -H ifconfig eth0 | grep -E "([0-9]{1,3}. As a next step we also would like to run them simultaneously. I wonder what is different. Two ways to obtain this access: In other words, unless you want to utilize sudo or root access every time, add your user to the Docker group, named docker: Then close that WSL window, and launch WSL again. I am still running Linux on servers to this day. It is all internet connectivity: I cannot ping 1.1.1.1 but I can ping the docker host from a container. ){3}[0-9]{1,3}" | grep -v 127.0.0.1 | awk '{ print $2 }' | cut -f2 -d: The error is: failed to start daemon: pid file found, ensure docker is not running or delete /var/run/docker.pid /usr/sbin/iptables-apply. DEV Community 2016 - 2023. But if you want the convenience and utility of running docker in a Powershell window, I have a couple suggestions. Stefan Scherer is maintaining the project docker-cli-builder on GitHub where we can download the docker.exe command in standalone : Once done, logout from your session and log again
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