This article attempts to explore such a process and options along the way. To run WSL 2, Windows version 1903 or higher is needed, with Build 18362 or higher. On removing that, docker can use its default iptables impl and work with Debian Bullseye. This is because all Windows accounts use the same VM to build and run containers. Thanks for keeping DEV Community safe. However, due to both WSL and Docker complexities, a little tender loving care is required to get Docker up and running. Unless I missed a step above, when I got to "update-alternatives --config iptables" it's still broke on my system. I only have one entry if I look for iptables: $ ls /usr/sbin/iptable* I have a Dockerfile that builds a Windows container with a development environment for the Nim programming language. Asking for help, clarification, or responding to other answers. I am a bit confused on how to solve this because Im very new to this, so I would appreciate any help. Here are the problems I had on Ubuntu (note that I really wanted to work on linux since our servers run on linux) : I will readily admit being a Linux newbie despite I installed Slackware with Linux 0.99pl15 for the first time from a stack of floppies early 1994. Choose a number greater than 1000 and less than 65534. WARN[2021-10-24T16:24:00.993150800+05:30] grpc: addrConn.createTransport failed to connect to {unix:///var/run/docker/containerd/containerd.sock 0 }. See details regarding the companion Github repo by scrolling to the bottom. I only just finished the install so I can't confirm that everything works 100% out of the box, but after rebooting the VM, dockerd was running as expected. WSL TERMINAL : docker-compose -f docker-compose.yml -f docker-compose.listener.yml up -d --build && docker attach listener Then, let's start an application on the host to handle HTTP message : Add iptables false (as mentioned in the article). From there you can simply use these paths as youve mentioned. It seems like there is another package that adds the iptables-legacy links. ibb.co/yQGVZ18 In a nutshell: Plenty more nuance and decisions below, of course. At the moment I am stuck at step Launch dockerd and I get this error (image below). Trying to get started If your admin account is different to your user account, add the docker-users group. Strange my Debian is so far behind. Full-Stack Developer at Elliptic Marketing LLC. PS C:\Users\clutat> wsl sh -c "sudo dockerd -H tcp://$ip" Know a bit of python, php, laravel and other few languages. Once suspended, bowmanjd will not be able to comment or publish posts until their suspension is removed. The Docker client just hides the fact that Linux containers are actually inside a vitual . If I exec into the running container then DNS is not working. Chris 192 Followers Follow More from Medium Tony DevOps in K8s K9s, Terminal Based UI to Manage Your Cluster Flavius Dinu Even pull command comes up with error You can skip this step, and proceed to updating packages and testing network connectivity, below. ){3}[0-9]{1,3}" | grep -v 127.0.0.1 |awk '{ print $2 }' | cut -f2 -d: Does anybody has a equivalent command for Alpine? I'm very interested if you have a simpler way to proceed :). dockeraccesshelper is an open source PowerShell module to allow non-privileged users to connect to the Docker Service. You should see docker when you run the command groups to list group memberships. Ive been running WSL on potato laptops and now I high end one with no heat issues at all. Reading about what goes on under the hood is an entertaining and informative endeavor, as well. Docker Desktop gives you access to both Windows Containers and Linux containers, by leveraging WSL 2. Let's take an easy example: i would like to run some networking tool that scans my machine . I have based these instructions on those, with some tweaks learned from real world testing. No one tells me these things. On Alpine, this should prompt for the new password. 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. When did this happen? It just needs to be in a place that has permissions so that your user can write to it. Great we have now docker in windows running with WSL2. I believe there should be nearly a dozen links to other objects there. Very clever. sudo dockerd -H ifconfig eth0 | grep -E "([0-9]{1,3}. Once unpublished, all posts by _nicolas_louis_ will become hidden and only accessible to themselves. I'm not sure what happened to the previous reply: $ dpkg -S /usr/sbin/iptables-legacy Before you can install Docker you need to enable systemd. 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 you're used to. so before that gets out of control: I'd like to share one that I did discover just this morning: devopstales.github.io/home/docker- it has lots of helpful information presented in a clear way, and the alternatives it lists don't require any "special magic" to get working, which might be very appealing for some. Dependencies will be installed later, automatically. While you can create container images manually by running the docker commit command, adopting an automated image creation process has many benefits, including: Storing container images as code. Thank you! For peace of mind, you can double-check: something like sudo -k ls -a /root should still require a password, unless the password has been entered recently. But since I had no success, I went on. My own .NET rest API runs as expected and so do other containers. This image contains the .NET SDK which is comprised of three parts: .NET CLI. The install documentation has two sections. When executing these lines you'll be prompted to enter your distro password (sudo) and I'll see after the log of dockerd. big relief for me right there.. while this post does contain lots of super technical points (yeah, I saw those comments), this is a super technical topic.. which leads straight back to the "how" and "why" of Docker's decision on this matter. 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"). sudo nano /etc/resolv.conf 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. The -d flag is optional, in case you want to the get back the bash prompt, it means dettached mode. host="tcp://169.254.255.121:2375" Here is what you can do to flag bowmanjd: bowmanjd consistently posts content that violates DEV Community's Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, How are you mounting the directories? Contrary to what the length of this article might suggest, getting Docker working on WSL is fairly simple. Then in the elevated PowerShell run: This will register the service, start it, and then exit the elevated Administrator shell. If using the script earlier to launch dockerd, then $DOCKER_HOST will be set, and future invocations of docker will not need an unwieldy -H unix:///mnt/wsl/shared-docker/docker.sock. You should see docker when you run the command groups to list group memberships." Get IP address in WSL2 Unflagging bowmanjd will restore default visibility to their posts. I've been reading both this and "Install Docker on Windows (WSL) without Docker Desktop". If so, you have success. Something like this will work well if you do not already have that file, or a [user] section in it: However, if on a version of Windows before build 18980, then you will instead need to edit the registry to set a default user. Hopefully you will see something like "Version 21H2. How to get a Docker container's IP address from the host, Docker: Copying files from Docker container to host. Do you want to run a container? May I suggest 36257. 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. Fight? You can even configure this in Windows Terminal: Second, my recommended method, is to use dockeraccesshelper to enable and configure access to the Docker Service for non-privileged users. 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. Well, let's check. It could be embedded in a script, I suppose, and launched from other distros or Powershell. Because I do a lot from the command line, and I often want that command line to be Linux, no matter the location or network connectivity. Why do academics stay as adjuncts for years rather than move around? Or, alternatively, pull it directly from the GitHub package repository with: To start playing with it and see how Windows Containers are built. Previously with Docker Desktop we could run docker with -v %cd%/someFolder:/whatever or -v ./someFolder:/whatever, now we have to provide full path , like -v /mnt/c/full/local/path/to/someFolder:/whatever , which is user specific and will not run on team mate's computer Any thoughts how to overcome this ? Never miss out on developer content you need to maintain a healthy developer career. Docker Desktop is not the core technology that runs containers, it only aims to make it easier to develop software on Windows/macOS that runs in containers. Add this directory in the path for executables : First, I collect the IP address of my default distro with the wsl command. For me launching dockerd failed since chain of commands with ifconfig returned some extra garbage. host="tcp://169.254.255.121:2375" Here I thought it was because the iptables didn't follow the instructions. error:failed to load listeners: listen tcp 169.254.218.38:2375: bind: cannot assign requested address 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. ):/usr/share/nginx/html:ro', Reading about what goes on under the hood, See more details about the Docker subscription model here, I have written about getting Podman to work on WSL 2, Microsoft's has step-by-step instructions on how to upgrade to WSL 2, utilizes iptables to implement network isolation, How to Upgrade from Fedora 32 to Fedora 33, http://mirrorlist.centos.org/?release=7&arch=x86_64&repo=os&infra=container, How to Upgrade to Fedora 37 In Place on Windows Subsystem for Linux (WSL), A "POSIX Playground" Container for Shell Script Testing, Writing Bash Scripts that are not only Bash: Checking for Bashisms and testing with Dash, Instead of using an init system such as systemd to launch the Docker daemon, launch it by calling, If sharing the Docker daemon between WSL instances is desired, configure it to use a socket stored in the shared, If sharing and privileged access without sudo are desired, configure the, For simplicity, rather than launch a Windows-based Docker client, launch. Run Docker in WSL (Windows 10/11) without Docker Desktop | by Sung Kim | Geek Culture | Medium 500 Apologies, but something went wrong on our end. We can continue to develop with containers without Docker Workstation. If I run "nslookup www.microsoft.com " I get "DNS request timed out" - no response. Windows 11 Enterprise: 6 TB. 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. (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). Is your user a "sudoer"? If bowmanjd is not suspended, they can still re-publish their posts from their dashboard. If, however, you manually invoke dockerd in some way, then the following may be desirable in your .bashrc or .profile, if you opted for the shared docker socket directory: The above checks for the docker socket in /mnt/wsl/shared-docker/docker.sock and, if present, sets the $DOCKER_HOST environment variable accordingly. I got this error, I solved it by running WSL itself with admin privileges when opening the WSL window to run sudo dockerd. 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 WSL 2) We also need containerd installed - I used the manual steps from here and that worked for me howtoforge.com/how-to-install-cont Those two steps joined the dots and now docker is running without docker desktop :). Refresh the page, check Medium 's site status, or find something interesting to read. Third, I launch in my distro dockerd with the IP, configures its own guest (rancher-desktop). Trying to understand how to get this basic Fourier Series. To work around this, you can, if you choose, tell sudo to grant passwordless access to dockerd, as long as the user is a member of the docker group. Does the command wsl --set-default-version 2 work? How do I get into a Docker container's shell? The service (dockerd) and client (docker) communicate over a socket and/or a network port. For communication over the socket, privileged access is required. Did 9 even use nftables? 2.) This is a very useful tool, to say the least. docker context will likely be your friend. It requires a small proxy application to make it work though. First, let's pick one. 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 still need to work and discuss with non-dev people, you know. [sudo] password for jai: c:\bin\docker -H tcp://172.20.5.64 run --rm hello-world. Exactly, this is very unfortunate but currently only linux has a standalone daemon, Windows and MacOS have to install Docker Desktop to get a native daemon. Best possible hardware drivers by default. Such methods will be explored in a later article, but I encourage you, reader, to explore. Then the following, when placed in /etc/docker/daemon.json, will set the docker host to the shared socket: Most Linux distributions use systemd or other init system, but WSL has its own init system. Also please mark the answare as correct if it is working :). xref: docs.microsoft.com/en-us/windows/w Great point. Stop running Windows unless you really have to. $ iptables --version For instance, VSCode supports docker in WSL 2. To see what group IDs are already assigned that are 1000 or above: Can't decide what number to use? After walking through the steps in this article, you should now have a working and potentially auto-launched dockerd, shared Docker socket, and conveniently configured docker command. For this please install the Windows Store Version of WSL and afterwards enable systemd in the distro settings and reboot the WSL distro.. Now re-enter WSL to have systemd available and install Docker normally like explained in the docs. 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. If you only plan on using one WSL distro, this next step isn't strictly necessary. Confirm that whoami yields the correct username. 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). Fetched 288 kB in 0s (2,349 kB/s) And that's all! . So I had to run wsl --set-version Ubuntu 2 (where my distribution was called "Ubuntu") and this converted the distro to WSL2. For instance, install and configure Fedora, or any other distro for which you can obtain a rootfs in tar format and then wsl --import rootfs.tar. Docker on Windows without Hyper-V | by Chris | poweruser.blog Write Sign up Sign In 500 Apologies, but something went wrong on our end. On Debian or Ubuntu, first temporarily set some OS-specific variables: Then, make sure that apt will trust the repo: ID will be either "ubuntu" or "debian", as appropriate, depending on what is in /etc/os-release. If you obtained your Linux distro from the Store, you can likely skip this step, as the default user is already set up. aria2 speeds up downloads. Start of the month i will write full article, for now this will have to do. Except for you, of course, for which I am extremely grateful. They can still re-publish the post if they are not suspended. Let's make everything new and shiny with one of the following: Upgrading the packages also serves as a network test. Here is what you can do to flag _nicolas_louis_: _nicolas_louis_ consistently posts content that violates DEV Community's Well, this is a game changer. HyperV is not stable enough on Linux, and VirtualBox is blocked by corporate rules. Is it known that BQP is not contained within NP? You will most certainly need WSL 2 to run the Docker service. 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. Why is there a voltage on my HDMI and coaxial cables? I recommend the following: The first line tells WSL to cease auto-configuring the /etc/resolv.conf file. Reconnecting module=grpc For a variety of reasons, network connectivity issues can happen with WSL 2, and tweaking the DNS settings often resolves these problems in my experience. If desired, you can configure it using Services to only start it manually. Unflagging _nicolas_louis_ will restore default visibility to their posts. You simply package each application into a container and run it. Thankfully, there are official guides for installing Docker on various Linux distributions. code of conduct because it is harassing, offensive or spammy. can you provide an example? But in the end, turned out it was required. message. Why do small African island nations perform better than African continental nations, considering democracy and human development? I have installed Rancher Desktop application on Windows 10 and set it to use docker as container runtime. If the result is a random hash string, then you are good. If you want Docker to work on Windows and WSL 2, installing Docker Desktop is most likely the way to go. I set that host path in that previous tutorial in the daemon.json file. In the original post it says you only need to do this for Debian but not Ubuntu, and I'm using Ubuntu so I skipped that step originally. This function can be placed in your Powershell profile, usually located at ~\Documents\WindowsPowerShell\Microsoft.PowerShell_profile.ps1. A Linux dev machine is quite desirable. rev2023.3.3.43278. There is some socket magic that I don't know by memory because I just keep the command in a gist. Also note that a boot command in /etc/wsl.conf is only available on Windows 11. Install official Docker release sudo apt install docker-ce docker-ce-cli containerd.io Add user to docker group sudo usermod -aG docker $USER "Then close that WSL window, and launch WSL again. WARN[2021-11-06T15:39:10.294801200+05:30] Support for listening on TCP without authentication or explicit intent to run without authentication will be removed in the next release host="tcp://169.254.255.121:2375" WARN[2021-11-06T15:39:08.509171500+05:30] Binding to IP address without --tlsverify is insecure and gives root access on this machine to everyone who has access to your network. Run docker-compose up -d to bring all the containers up. BTW I solved this issue switching from Debian to Ubuntu as WSL2 distro. Although Docker Desktop will never give you the same experience as a multi-node Kubernetes cluster configured according to your preference, the init containers guide should have worked. And, yes, VSCode can work with podman. I removed the Debian WSL for now. Hi Pawel, thank you for your feedback. But I was getting no rules generated by iptables-nft-save, and several rules generated by iptables-legacy-save, so I explicitly update-alternatives to iptables-legacy and rebooted (host and wsl2/debian). Success? Installing Docker can be heavy-weight and add more than expected to your system. With Docker Desktop's WSL 2 backend, Docker integrates with Windows in a fairly elegant way, and the docker client can be launched from either Powershell or Linux. What is the significance of \mnt\wsl? Why does Mister Mxyzptlk need to have a weakness in the comics? Hence I could put "tcp://localhost:2375" in VsCode and the calls will be redirected to dockerd running in WSL2-Ubuntu. Containers and images created with Docker Desktop are shared between all user accounts on machines where it is installed. Redefined, https://download.docker.com/linux/${ID}/gpg, Ubuntu on WSL2 : in Microsoft Store Ubuntu 20.04 LTS, Docker extension for VSCode : directly from Visual Code Extensions Marketplace. I tried to made some simplifications from the initial article from Jonathan Bowman. One mistake and you can cause irreparable damage to your Windows installation. sudo dockerd -H ifconfig eth0 | grep -E "([0-9]{1,3}. (Just dial DOCKR on your telephone keypad) Not likely to be already in use, but check anyway: If the above command returns a line from /etc/group (that does not include docker), then pick another number and try again. Pick the right one and set it to DOCKER_DISTRO. Do roots of these polynomials approach the negative of the Euler-Mascheroni constant? The following often works, but is not advisable when launching WSL docker from Windows: Instead of doing the above haphazardly, when launching WSL docker from Powershell, two recommendations: Then point your browser to http://localhost:8080, and happiness will result. Docker Desktop delivers the speed, choice and security you need for designing and delivering these containerized applications on your desktop. Windows Subsystem for Linux 2 sports an actual Linux kernel, supporting real Linux containers and Docker. I mean? I am still running Linux on servers to this day. I agree it must be something in iptables too. ){3}[0-9]{1,3}" | grep -v 127.0.0.1 | awk '{ print $2 }' | cut -f2 -d:" And I can't see my eth0 configs in ifconfig command If you use Docker Desktop the daemon is actually running in Windows this is why it was working before. Docker Desktop is an application for MacOS, Linux, and Windows machines for the building and sharing of containerized applications and microservices. It's a peaceful symbiosis. My running container has the following DNS Servers configured: 172.27.64.1 and 192.168..1. Additionally, I found this to be helpful for configuring dockerd to start when opening a new terminal (if it hasn't already been started). Find centralized, trusted content and collaborate around the technologies you use most. Markus Lippert How can Docker Desktop mount Windows Volumes? /usr/sbin/iptables-apply. Windows can do a lot of things linux cant and has a lot of cutting edge hardware support. Have you heard of portainer? Made with love and Ruby on Rails. In a windows terminal running with administrator privileges, I set the Execution policy with : And every time I want to run dockerd, I launch the start_docker.ps1 script: And if you see API Listen on 172.18.75.23:2375, Now, I want to use docker without -H parameter, for this, I add a new system environment variable called DOCKER_HOST set to tcp://localhost:2375. If that script is already in your .bashrc or .profile, then the following is unnecessary. 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. WARN[2021-11-06T15:39:10.291048100+05:30] Binding to an IP address without --tlsverify is deprecated. The flip side though is that if you are the type that prefers minimal command line interfaces then you can also install 'native' Linux Docker on WSL 2 without Docker Desktop and switch back and forth as needed. If _nicolas_louis_ is not suspended, they can still re-publish their posts from their dashboard. It's a Web based docker ui. failed to load listeners: listen tcp 169.254.255.121:2375: bind: cannot assign requested address, jai@FA057586:~$ wsl For good reason, Debian uses the more modern nftables, but this means that Docker cannot automatically tweak the Linux firewall. My call contains: -v D:\localPath\subPath:/opt/jboss/keycloak/standalone/data . 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" Once you have installed the distro of your choice, launch it and set up a non-root user if you have not already. However, if you would like to have the option of sharing the Docker socket system-wide, across WSL distributions, then all will need to share a common group ID for the group docker. ){3}[0-9]{1,3}" | grep -v 127.0.0.1 | awk '{ print $2 }' | cut -f2 -d: I am trying to follow the above steps on Alpine and i am not able to figure out the equivalent for launching dockerd to get the ip address. Chances are, you already know these. High School, The Internet, Mother Nature, and Life itself.. So is there an alternative on Windows to continue to legally use containers with a docker command and a nice UI like VSCode without paying a licence : the answer is YES ! You could also make a batch file with the appropriate command in it. Startup is intentionally being slowed down to show this message host="tcp://169.254.255.121:2375" However, if you would like to have the option of sharing the Docker socket system-wide, across WSL distributions, then a shared directory accessible to all is needed. I make games in my free time. But please - why did Windows paths work with Docker Desktop before? In parallel, in a windows terminal opened in my distro, I can check with top or htop if dockerd processes are running. Brilliant article - thanks for the thorough write up @bowmanjd! Docker Desktop does a lot of plumbing in the background for you but running it by yourself isnt hard either. Done So the reason I use Windows is because that's where the driver support is. I am stuck here trying to start dockerd from the Windows PowerShell (in admin mode): .NET runtime. This guide includes instructions for launching dockerd in Debian, Ubuntu, Alpine, and Fedora. Built on Forem the open source software that powers DEV and other inclusive communities. Due to the license issues with docker desktop and the fact that you don't really need this buggy bit of software, this guide will walk you through the steps to use VSCode+remote-containers in combination with WSL2 without using docker desktop.