Jonathan, thank you for the incredibly detailed description of setting up Docker for use in WSL2 without Desktop. I believe there should be nearly a dozen links to other objects there. If you want Docker to work on Windows and WSL 2, installing Docker Desktop is most likely the way to go. A collection of 70 hand-picked, web-based tools which are actually useful.Each will generate pure CSS without the need for JS or any external libraries. The daemon is running in wsl so probably you need to specify paths in the wsl subsistem. 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. sudo dockerd -H ifconfig eth0 | grep -E "([0-9]{1,3}. OS Build 19044.1586". It just needs to be in a place that has permissions so that your user can write to it. Data wrangler by day. The service (dockerd) and client (docker) communicate over a socket and/or a network port. Even pull command comes up with error Now I have started using docker desktop again. Microsoft's has step-by-step instructions on how to upgrade to WSL 2. Be safe out there! Searching around google, the answer that keeps popping up is to use the update-alternatives, which is the whole problem, I probably sound like I am quite fixated on the iptables package, but would you try reinstalling it? For example trying to run jboss/keycloak mounting /opt/jboss/keycloak/standalone/data to some local path gives me: which - again - used to work with Docker Desktop, so I do not assume an error in my call. At the moment I am stuck at step Launch dockerd and I get this error (image below). Rancher Desktop seems to simplify things a lot for Windows users: Are you sure you want to hide this comment? Before doing this, we will need two bits of information: the user id, and the name of the WSL distro. A hint: ever tried scoop.sh? Setting up Docker for Windows Containers manually is not really that hard to do. I'm very interested if you have a simpler way to proceed :). 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. May I suggest 36257. Great we have now docker in windows running with WSL2. 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. Now, how to run dockerd and docker without copy&paste IP address in command line nor VSCode. Dockerd does work. ){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. When signed in as the user you set up (try su myusername if you are still root), can you sudo -v without an error? I summarize the files available here: No doubt there are ways these can be tweaked to be more useful and reliable; feel free to post in the comments. 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. Made with love and Ruby on Rails. For anyone struggling with using this behind a proxy, I found the only configuration file that dockerd looks at is /etc/environment, so set the likes of HTTP_PROXY, HTTPS_PROXY, and NO_PROXY in there before starting Docker. Ive been running WSL on potato laptops and now I high end one with no heat issues at all. Hence I could put "tcp://localhost:2375" in VsCode and the calls will be redirected to dockerd running in WSL2-Ubuntu. What is the significance of \mnt\wsl? I'm flummoxed. My running container has the following DNS Servers configured: 172.27.64.1 and 192.168..1. How to force Docker for a clean build of an image. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. This guide includes instructions for launching dockerd in Debian, Ubuntu, Alpine, and Fedora. In PowerShell use Scoop to install the Docker static binaries: We now need to enable and start the Docker Service in Windows. ){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 I got this error when I tried to run "sudo dockerd -H ifconfig eth0 | grep -E "([0-9]{1,3}. Docker Desktop gives you access to both Windows Containers and Linux containers, by leveraging WSL 2. FWIW, I'm also passing the following dns servers to my containers via docker daemon.json: I've tried putting the google and cloudflare dns first in this order, to no avail. Your docker daemon is running in WSL and you are just connecting to it with de docker command on Windows. HyperV is not stable enough on Linux, and VirtualBox is blocked by corporate rules. 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. See details regarding the companion Github repo by scrolling to the bottom. In the same PowerShell session enter: Why do small African island nations perform better than African continental nations, considering democracy and human development? This doesn't just apply to the terminal, either. Thanks! Custom installations are also a great option with WSL 2. You should see docker when you run the command groups to list group memberships." Get IP address in WSL2 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". DEV Community A constructive and inclusive social network for software developers. I'm having same issue, using Debian 11 on WSL2. To run Linux containers on Windows there must be some kind of virtualization since containers use the kernel of the host operating system. This requires a PowerShell instance with elevated privileges as Administrator. On a normal Azure VM it runs without problems. Full-Stack Developer at Elliptic Marketing LLC. 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. The following lines can be placed in .bashrc or .profile if autolaunching is desired, or in a separate shell script. 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. If the result is a random hash string, then you are good. It could be embedded in a script, I suppose, and launched from other distros or Powershell. The only option that we had is to run a corporate-managed VM on Azure, with their own "linux" which is a special build from oracle that I never heared of before they mentionned it, and where no open source tools seems to offer any kind of support. Wsman Shell commandLine, version 0.2.1. I tried to made some simplifications from the initial article from Jonathan Bowman. Chances are, you already know these. EDIT: It turned out that the eventual root cause of my issue was that my distribution was still on WSL1. Those licensing changes however only apply to Docker Desktop. With you every step of your journey. 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. If that script is already in your .bashrc or .profile, then the following is unnecessary. Working with Windows Containers without Docker Desktop from PowerShell. 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. Using Kolmogorov complexity to measure difficulty of problems? You should see docker when you run the command groups to list group memberships. And, yes, VSCode can work with podman. For Alpine or Fedora, use adduser myusername to create a new user. Not so ideal for development with that heat on my hand . Why do many companies reject expired SSL certificates as bugs in bug bounties? 2. Thank you so much! You will most certainly need WSL 2 to run the Docker service. Yeah, I have actually changed the instructions, removing the iptables:false, as using iptables-legacy seems like the right way to do it. I know I did before, I'm not sure what I left out - but the iptables-legacy isn't set-able now. The application data stays neatly within the container, instead of on the host file system. 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. Thanks for contributing an answer to Stack Overflow! Is your user a "sudoer"? Are you sure you want to hide this comment? There is some socket magic that I don't know by memory because I just keep the command in a gist. 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. I would prefer a prettier straight-foreward solution. from a Windows terminal, my environment contains DOCKER_HOST=tcp://127.0.0.1:2375. With this newly-configured DNS resolver (in this case, pointing directly to Cloudflare's DNS server) you can try upgrading packages again. Rancher Desktop for windows is a very straightforward application. /usr/sbin/iptables-apply. NOTE: If you have any issue with the network, check the following location and edit its nameserver IP to 8.8.8.8:. 0.0.1 |awk '{ print $2 }' | cut -f2 -d: On Alpine, that's apk add sudo and on Fedora, dnf install sudo. Uninstall . If I run "nslookup www.microsoft.com " I get "DNS request timed out" - no response. After this operation, 0 B of additional disk space will be used. 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. 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. 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 desired, you can configure it using Services to only start it manually. As a next step we also would like to run them simultaneously. First, let's pick one. Without needing to worry about sockets and ports, a lot of headaches go away. Docker provides the standalone Windows binaries for the Docker Daemon as well as the Docker CLI. Thus Docker Inc. is only trying to get large companies to pay for the convenience that Docker Desktop offers when developing applications. Built on Forem the open source software that powers DEV and other inclusive communities. To do so, we just need first to run a powershell script launching dockerd in WSL2 and once dockerd is listening we can simply use the command docker (maintained by Stefan Scherer). If, however, when you launch WSL, you are still root, then set your new user as the default. 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. Looks too much tricky for me. Done WARN[2021-11-06T15:39:10.291048100+05:30] Binding to an IP address without --tlsverify is deprecated. 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"). Why do we place the docker socket in the \mnt\wsl folder? ){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? It seems like there is another package that adds the iptables-legacy links. VS Code VS Code Remote Development; Docker Desktop for Windows; WSL2 sudo dockerd -H ifconfig eth0 | grep -E "([0-9]{1,3}. I still need to work and discuss with non-dev people, you know. But let's continue magic ! Err :connection error: desc = "transport: Error while dialing dial unix:///var/run/docker/containerd/containerd.sock: timeout". The Docker engine includes tools that automate container image creation. For Windows Home - Enable Windows Subsystem for Linux (Instructions Here: https://docs.microsoft.com/en-us/windows/wsl/install-win10 ). You can double check on any distro with: (If you are not root, you may need to su first). This means that every docker command is actually executed on the WSL subsystem and paths should be specified accordingly. The choices are running Ubuntu where upgrading every six months shatters your OS so badly you can't work for days or Arch where upgrades often break one of your printer/scanner/Bluetooth. Templates let you quickly answer FAQs or store snippets for re-use. But since I had no success, I went on. 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. Run Computer Management as an administrator and navigate to Local Users* and Groups > Groups > docker-users. so.. my morning started out heading towards this rabbit-hole, but then fortunately I checked with our HR department, and discovered that my employer doesn't exceed the requirements for a commercial Docker Desktop license. Just open a new Ubuntu window and start playing with Docker!. 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. 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 Windows Containers Docker provides the standalone Windows binaries for the Docker Daemon as well as the Docker CLI. Does the command wsl --set-default-version 2 work? I will write an article eventually, but it is there. Web Developer at Nortech International (pty) Ltd. What's the biggest mistake you've ever made while coding? 14: curl#6 - "Could not resolve host: mirrorlist.centos.org; Unknown error". It is the latest from Microsoft - or so I thought. It's a Web based docker ui. I have based these instructions on those, with some tweaks learned from real world testing. It will become hidden in your post, but will still be visible via the comment's permalink. I even uninstalled and installed it back. dpkg-query: no path found matching pattern /usr/sbin/iptables-legacy, iptables is installed: Windows 11 Education: 2 TB. What does not work is binding or mounting volumes to local directories, which used to work, when Docker Desktop was installed. For Linux containers you can install the Docker Daemon in WSL2. In a nutshell: Plenty more nuance and decisions below, of course. To tell what version you are running, run winver in Powershell or CMD, or just type Win key and R (-r) to open the Run dialog and then enter winver. I'm pretty sure using the nftable subsystem is eventually what is making things not work - if I could get iptables-legacy it might be different. Most upvoted and relevant comments will be first. Pretty sure there is no legacy version because iptables wasn't legacy then. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 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. As with the last step, if you only plan on using one WSL distro, this next step isn't strictly necessary. WindowsDockerDev Container VS CodeRemote Development Windows. You are at the right place. We are doing magic with Windows 10, Ubuntu on WSL2, docker builder cli for windows and a little elbow grease. That sounds odd. Currently interested in TypeScript, Vue, Kotlin and Python. I realize that your post indicated to use iptables: false as a way to get debian wsl2 instances to work with docker. Plain and simple. Do so from a WSL window. I got this so I just added "iptables": false to my daemon.json and this error was averted. One is to expose dockerd over a TCP Port, or, better yet, set up an SSH server in WSL and connect that way. 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. The next time you do docker login, the auth section of ~/.docker/config.json will be updated. I will comment with more detail in your answer. 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. PS C:\Users\clutat> wsl sh -c "sudo dockerd -H tcp://$ip" It was a miserable experience. I had the same error, it seems it's because you are using WSL version 1. Is it just to control the shared docker socket location, or are there other reasons? WSL Making statements based on opinion; back them up with references or personal experience. 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 dont need all the GUI and plumbing stuff like me and doing everything via docker run and docker compose anyway, you may dont even need Docker Desktop but can directly run the Docker Daemon and use the CLIs. Let's make everything new and shiny with one of the following: Upgrading the packages also serves as a network test. Also note that a boot command in /etc/wsl.conf is only available on Windows 11. I removed the Debian WSL for now. I really liked how your turned windows into a linux by adding a c:\bin dir :). (Optional) If your container is a Web App or API, open a browser in Windows to check you can access it. If you think there is another obvious WSL distro that should be considered, feel free to let me know in the comments. I do wish it'd change some day. Fourth part: Run this line to start your Docker every time you need it. In fact this is what Docker Desktop is doing, allowing all Windows native applications to use npipe docker context. Hi, followed everything but on doing sudo dockered getting this error. Exactly my thoughts, there's too much complexity here + there's more comprehensive guide on how to install docker in Linux on official docker website which takes half of this article. When did this happen? can you provide an example? dpkg-query: no path found matching pattern /usr/sbin/iptables-legacy Essentially i run docker, vs code , gpu compute (inside containers too) all on ubuntu wsl2. message. With you every step of your journey. No one tells me these things. Installing WSL is explained here or you can use an already existing Ubuntu distribution. For me launching dockerd failed since chain of commands with ifconfig returned some extra garbage. Then in the elevated PowerShell run: This will register the service, start it, and then exit the elevated Administrator shell. My call contains: -v D:\localPath\subPath:/opt/jboss/keycloak/standalone/data . It requires a small proxy application to make it work though. Windows Containers requires Windows 10/11 Pro or Enterprise version 1607 or higher. docker context will likely be your friend. Templates let you quickly answer FAQs or store snippets for re-use. Refresh the page, check Medium 's site. Kubernetes can be installed and configured many ways and Dcoker DEsktop will give you one version. The Docker client just hides the fact that Linux containers are actually inside a vitual . 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. See more details about the Docker subscription model here. code of conduct because it is harassing, offensive or spammy. Registry::HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Lxss\, "deb [arch=amd64] https://download.docker.com/linux/, "unix:///mnt/wsl/shared-docker/docker.sock", unix:///mnt/wsl/shared-docker/docker.sock, '$(wslpath -a . I'll share later in a response to this comment. Want to buy me coffee? So I wonder if Windows 10 wsl Debian changed - I can't use the update-alternatives --config iptables. Docker only supports Docker Desktop on Windows for those versions of Windows 10 that are still within Microsoft's servicing timeline. I had heard at Microsoft Ignite that Docker was super excited to partner with Microsoft to develop the Docker Engine for Windows Server. The vague complaints of the Copilot plaintiffs are nothing compared to the damage to free software and human progress if they won. The downside to this approach is that Docker static binaries on Windows do not support Linux containers, buildx, docker scan, or docker compose functionality. Fetched 288 kB in 0s (2,349 kB/s) FDB9 561F CC5F 4399 744C 6441 13DF E453 0C28 527B, Software Developer at Abstract Matters (self-employed), Software Engineering Operations Lead at Biamp Systems. 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? 2.) (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. I have written about getting Podman to work on WSL 2. How do I align things in the following tabular environment? This function can be placed in your Powershell profile, usually located at ~\Documents\WindowsPowerShell\Microsoft.PowerShell_profile.ps1. 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. Once unpublished, this post will become invisible to the public and only accessible to Nicolas Louis. sudo dockerd. Thanks for this post, very useful previously. Have you managed to mount volumes from windows to docker image running in WSL2 ? The steps to create and run containers on Windows Server using Docker can be summarized as follows: 1. For further actions, you may consider blocking this person and/or reporting abuse. Docker works on WSL 2, and without requiring the robust but heavy Docker Desktop if that is undesirable. Sometimes you need this simple as that. Contrary to what the length of this article might suggest, getting Docker working on WSL is fairly simple. In VSCode, I update my Docker:Host setting with tcp://localhost:2375 : Now I can know create a dedicated powershell script with the previous line : start_docker.ps1. Thanks for keeping DEV Community safe. In all of the above, the principle is the same: you are launching Linux executables, using WSL interoperability. It's easy, by default (at least for me) wsl has mounted all drives in /mnt// for example /mnt/c/ for C: Drive and /mnt/d/ for D: drive I am receiving error at launch docker with. Use this image for your development process (developing, building and testing applications). I did. BTW I solved this issue switching from Debian to Ubuntu as WSL2 distro. Hi Pawel, thank you for your feedback. Very clever. We tried. While Docker Desktop on Windows can be run without having Administrator privileges, it does require them during installation. Before proceeding, let's note that Docker Desktop is amazing.
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