With this newly-configured DNS resolver (in this case, pointing directly to Cloudflare's DNS server) you can try upgrading packages again. I did that but it did not work for me. 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. ){3}[0-9]{1,3}" | grep -v 127. 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. They can still re-publish the post if they are not suspended. If so, you have success. update-alternatives: error: no alternatives for iptables. sudo dockerd -H ifconfig eth0 | grep -E "([0-9]{1,3}. I got this error, I solved it by running WSL itself with admin privileges when opening the WSL window to run sudo dockerd. error:failed to load listeners: listen tcp 169.254.218.38:2375: bind: cannot assign requested address Working with Windows Containers without Docker Desktop from PowerShell. Ubuntu works correctly, I think because they still use iptables and not the nftables in Debian that Docker apparently doesn't really understand unless you configure nftables just right. Now, how to run dockerd and docker without copy&paste IP address in command line nor VSCode. Use Podman on Windows to build custom WSL distro images. Now it is possible to run Docker on Windows or MacOS. So I had to run wsl --set-version Ubuntu 2 (where my distribution was called "Ubuntu") and this converted the distro to WSL2. Another option may eventually be Rancher Desktop if they add Windows support, but it is currently limited to Linux containers. Run docker-compose up -d to bring all the containers up. WARN[2021-10-24T16:24:00.993150800+05:30] grpc: addrConn.createTransport failed to connect to {unix:///var/run/docker/containerd/containerd.sock 0 }. On Fedora, you will additionally need to passwd myusername and enter the password you want to use. Why do many companies reject expired SSL certificates as bugs in bug bounties? Here is what I get: $ update-alternatives --config iptables Hi Muttsuri, Yes I use Portainer to manage containers and stacks on server. 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. Refresh the page, check Medium 's site status, or find something interesting to read. In parallel, in a windows terminal opened in my distro, I can check with top or htop if dockerd processes are running. Did 9 even use nftables? This is because all Windows accounts use the same VM to build and run containers. You can't run Liunx containers on Windows directly. 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? Also note that a boot command in /etc/wsl.conf is only available on Windows 11. Again, try wsl -l -q to see a list of your WSL distributions if you are unsure which one to use. Yes of course it's installed but not configured to access to WSL2, To do so, click on the icon (?) Even with that, I will still run WSL on any Windows machine I can. This doesn't just apply to the terminal, either. I am still running Linux on servers to this day. in the regexp as such: Thanks Nicolas. I got this so I just added "iptables": false to my daemon.json and this error was averted. sudo dockerd. Great we have now docker in windows running with WSL2. Thankfully, there are official guides for installing Docker on various Linux distributions. Reading about what goes on under the hood is an entertaining and informative endeavor, as well. Here is what you can do to flag _nicolas_louis_: _nicolas_louis_ consistently posts content that violates DEV Community's Chances are, you already know these. Additionally, I found this to be helpful for configuring dockerd to start when opening a new terminal (if it hasn't already been started). My goal is to use the docker-cli in Windows (docker.exe), but using Linux containers, without the installation of Docker Desktop. I have installed Rancher Desktop application on Windows 10 and set it to use docker as container runtime. dockeraccesshelper is an open source PowerShell module to allow non-privileged users to connect to the Docker Service. 2. 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 signed in as the user you set up (try su myusername if you are still root), can you sudo -v without an error? This requires a PowerShell instance with elevated privileges as Administrator. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Does the command wsl --set-default-version 2 work? Thank you so much! After this operation, 0 B of additional disk space will be used. There is some socket magic that I don't know by memory because I just keep the command in a gist. 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. Setting up Docker for Windows Containers manually is not really that hard to do. Create a file called startDocker.ps1 at your location of choice and save the following script inside it: start-service -Name com.docker.service start C:\'Program Files'\Docker\Docker\'Docker Desktop.exe' So, the Windows deamon is part of the product "Docker Desktop" then? 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. As with the last step, if you only plan on using one WSL distro, this next step isn't strictly necessary. Are you sure you want to hide this comment? Windows 11 Enterprise: 6 TB. It just isn't setting up the legacy rules. If, however, when you launch WSL, you are still root, then set your new user as the default. I tried deleting pid file but i dont have permission for it i tried using sudo systemctl stop docker and then running it but error is still the same. 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. The daemon is running in wsl so probably you need to specify paths in the wsl subsistem. ibb.co/yQGVZ18 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 :). 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. Fight? Find centralized, trusted content and collaborate around the technologies you use most. Templates let you quickly answer FAQs or store snippets for re-use. If you are getting started with Windows Container development, one option is to install Docker Desktop. How To Install Docker Without Docker Desktop On Windows | by Paul Knulst | Better Programming 500 Apologies, but something went wrong on our end. Excellent. On Alpine, that's apk add sudo and on Fedora, dnf install sudo. 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. I'm currently trying to understand how docker can help me in my daily work. 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. ASP.NET Core. Here are the commands: Now youre ready to run Linux containers as well. Chris 192 Followers Follow More from Medium Tony DevOps in K8s K9s, Terminal Based UI to Manage Your Cluster Flavius Dinu Add this directory in the path for executables : First, I collect the IP address of my default distro with the wsl command. You can skip this step, and proceed to updating packages and testing network connectivity, below. I work on client/server software. This means that every docker command is actually executed on the WSL subsystem and paths should be specified accordingly. And sometimes its also fun to have a bit more insight on whats going on behind the scenes. Strange my Debian is so far behind. How is Docker different from a virtual machine? However, due to both WSL and Docker complexities, a little tender loving care is required to get Docker up and running. My running container has the following DNS Servers configured: 172.27.64.1 and 192.168..1. On the official Data Gateway documentation it says th. PS C:\Users\clutat> wsl sh -c "sudo dockerd -H tcp://$ip" Windows 11 Pro: 2 TB. I didn't notice the 9. It's a peaceful symbiosis. 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. Thank you! If you use Docker Desktop the daemon is actually running in Windows this is why it was working before. Let's first make a shared directory for the docker socket, and set permissions so that the docker group can write to it. If you don't want to rely on a particular WSL shell script, you could implement a Powershell function to launch dockerd, such as this: This function takes one parameter: the distro name. My understanding of the inner-workings of WSL is still rudimentary. A little more suggestion about TCP access, as well. I don't have a complex use case for it but I think it works. I set that host path in that previous tutorial in the daemon.json file. It can be any group ID that is not in use. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Use this image for your development process (developing, building and testing applications). INFO[2021-11-06T15:39:08.506977000+05:30] Starting up The application data stays neatly within the container, instead of on the host file system. Before proceeding, let's note that Docker Desktop is amazing. 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. There's no fight between Windows and Linux since wsl2. at the end of the day, everybody still has bills to pay.. . If you are not sure what your domain and username are, you can use the whoami command in the PowerShell shell of your non-privileged user, then copy and paste it into the elevated PowerShell: Then exit your elevated PowerShell and return to your non-privileged PowerShell with exit: If we return to the non-privileged PowerShell, we can re-run docker run hello-world:nanoserver: You now have a lightweight environment configured for working with Windows containers using Docker from PowerShell. DEV Community A constructive and inclusive social network for software developers. If so, read on. git enables Scoop to update itself. But in the end, turned out it was required. If I run "nslookup www.microsoft.com 192.168..1" then I get an immediate response. Unfortunately if you want to run docker from WSL (not using Docker Desktop) this will be the only way to use volumes. Success? For further actions, you may consider blocking this person and/or reporting abuse. Please note that these steps require WSL 2 (not version 1). In PowerShell start an elevated shell with: Enable the elevated PowerShell to make changes in the prompt. 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. Confirm that whoami yields the correct username. Windows Containers Is the underlining technology platform that allows us to run a Windows Container Instance which combines the usage of many Windows Server technology like Hyper-V, File Server, Networking, etc. Unflagging bowmanjd will restore default visibility to their posts. OS Build 19044.1586". If so, you have success. Plain and simple. $ dpkg -S /usr/sbin/iptables-legacy ){3}[0-9]{1,3}" | grep -v 127.0.0.1 | awk '{ print $2 }' | cut -f2 -d:`, You should have something like 172.20.5.64, In WSL, there is no systemd or other init system. Again, this step can be skipped if you opt against using a shared directory for the docker socket. I had the same error, it seems it's because you are using WSL version 1. Below one works fine in ubantu Once suspended, bowmanjd will not be able to comment or publish posts until their suspension is removed. But that never worked for me for some reason. Its surprisingly easy! Watch discussions for Docker-related .NET announcements. 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. DEV Community 2016 - 2023. For good reason, Debian uses the more modern nftables, but this means that Docker cannot automatically tweak the Linux firewall. Docker works on WSL 2, and without requiring the robust but heavy Docker Desktop if that is undesirable. Dependencies will be installed later, automatically. $ iptables --version This article attempts to explore such a process and options along the way. Is this Microsoft Linux? I mean? Then we remove/unlink the old file, and create a new one. Templates let you quickly answer FAQs or store snippets for re-use. I think spending some money for that is perfectly fine regarding the value Docker Desktop is providing to you. Hi Pawel, thank you for your feedback. Most upvoted and relevant comments will be first. Kubernetes can be installed and configured many ways and Dcoker DEsktop will give you one version. Made with love and Ruby on Rails. And I use WSL2 because Linux excels at CLI and daemons. New to docker containers. 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. I will definitely try that, and update the article. My concern was to continue to debug from Visual Studio 2019 and Visual Code directly in container. Assuming you have Windows build 18980 or later: simply add a user section to /etc/wsl.conf. It is actually possible to expose docker.sock from WSL so that it is accessible by Windows applications. For information, we can now install Podman desktop (and podman with MSI file), experimental but interressing. No one tells me these things. To get to a Linux directory while in Powershell, try something like. 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. From inside of a Docker container, how do I connect to the localhost of the machine? Run Computer Management as an administrator and navigate to Local Users* and Groups > Groups > docker-users. 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. At the moment I am stuck at step Launch dockerd and I get this error (image below). Let's take an easy example: i would like to run some networking tool that scans my machine . WSL is the only option that I have. 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. Privacy Policy, This website uses cookies and Google Analytics to ensure you get the best experience on our website. You should see docker when you run the command groups to list group memberships. 2023 Feel free to try it out. May I suggest 36257. Docker - with buildkit Want to buy me coffee? I will work on updating the instructions for systemd, then! Once unpublished, this post will become invisible to the public and only accessible to Jonathan Bowman. (Reading database 36399 files and directories currently installed.) Very clever. I really liked how your turned windows into a linux by adding a c:\bin dir :). Brilliant article - thanks for the thorough write up @bowmanjd! Of course, if you use Docker without Docker Desktop, as detailed in this article, then this does not apply. The docker desktop documentation page isn't clear to me if it will work with or without WSL (or wsl2). 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. I reused and I adapted it to make VisualCode working with dockerd under WSL2. Before doing this, we will need two bits of information: the user id, and the name of the WSL distro. Made with love and Ruby on Rails. I removed the Debian WSL for now. 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 It's a Web based docker ui. But I wanted something truly distro-agnostic. I run this stack using this. Is it all internet connectivity, or just DNS? When did this happen? Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. I make games in my free time. There should be several lines of info, warnings related to tls, and the like, with something like API listen on 172.20.5.64:2375 at the end. The following lines can be placed in .bashrc or .profile if autolaunching is desired, or in a separate shell script. DEV Community A constructive and inclusive social network for software developers. . 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. Looking forward to learning DevOps, though. 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. Uninstall . If not, first make sure that sudo is installed. I was able to fix it with adding | head -n 1 at the end, so final command would look like: You need to escape the dot (.) I do wish it'd change some day. 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. I would suggest trying to modifying your run command with those paths, so something like: Make sure you pay attention to the slashes: in WSL you need a foreward slash (/) whereas windows does not really care. Yes ! We tried. Sometimes, one just needs Docker to work. Interesting What sort of errors are you seeing? Markus Lippert 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. We are doing magic with Windows 10, Ubuntu on WSL2, docker builder cli for windows and a little elbow grease. It works now. 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. How do I align things in the following tabular environment? 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. Best possible hardware drivers by default. sudo apt update, sudo apt install docker-ce docker-ce-cli containerd.io, "Then close that WSL window, and launch WSL again. You just install it as any other applications for Windows, selecting dockerd as container runtime. host="tcp://169.254.255.121:2375" WindowsDockerDev Container VS CodeRemote Development Windows. If the /etc/docker directory does not exist yet, create it with sudo mkdir /etc/docker/ so it can contain the config file. Sometimes you need this simple as that. Call me stupid, but I think, this was one of my many attempts to get this working. Pretty sure there is no legacy version because iptables wasn't legacy then. Have you heard of portainer? A Python enthusiast. If your admin account is different to your user account, add the docker-users group. A hint: ever tried scoop.sh? Docker Desktop displays the Docker Desktop - Access Denied error if a Windows user is not part of the docker-users group. Do you want to run a container? 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. 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). Constantly learning to develop software. (Will report back with results..). Success. 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. In a windows terminal (Windows Power Shell) , launch : sudo dockerd -H `ifconfig eth0 | grep -E "([0-9]{1,3}. So I wonder if Windows 10 wsl Debian changed - I can't use the update-alternatives --config iptables. 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. How do I get into a Docker container's shell? with all that said: I do sincerely hope that anyone able and/or required to pay for a license actually does so it would be really sad for Docker to have come this far, having influenced so many aspects of "containerization", only to fade into the background because of "suddenly not being free to everybody". I recommend the following: The first line tells WSL to cease auto-configuring the /etc/resolv.conf file. Probably not necessary, but on Ubuntu/Debian: Alpine (probably not necessary, but just in case): Alpine: Nothing needed. ){3}[0-9]{1,3}" | grep -v 127.0.0.1 | awk '{ print $2 }' | cut -f2 -d:`. Updated April 10, 2022, with current Alpine instructions, Debian/Ubuntu package signing tweaks (no more apt-key), and better guidance for handling iptables in Debian. Is it known that BQP is not contained within NP? One for WSL and one for "Hyper-v and windows containers" which isn't clear if that is only for windows containers, but it reads sort of like it can do Linux as well. Before we mosey along, though: are you aware of Podman? [sudo] password for jai: Once unsuspended, _nicolas_louis_ will be able to comment and publish posts again. This is quick and easy but is not advised. 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. This guide includes instructions for launching dockerd in Debian, Ubuntu, Alpine, and Fedora. But let's continue magic ! 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. If bowmanjd is not suspended, they can still re-publish their posts from their dashboard. You simply package each application into a container and run it. 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. For example, Windows 11 Home can use up to 128 GB (gigabytes) of RAM, while Windows 11 Pro supports a maximum of 2 TB ( terabytes) of RAM. Hello, thank you for this article. If you want Docker to work on Windows and WSL 2, installing Docker Desktop is most likely the way to go. 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. If you are getting started with Windows Container development, one option is to install Docker Desktop. code of conduct because it is harassing, offensive or spammy. $ iptables --version Not so ideal for development with that heat on my hand . On installation the user gets a UAC prompt which allows a privileged helper service to be installed. Choose a number greater than 1000 and less than 65534. I would prefer a prettier straight-foreward solution. I'm sure a lot more people will be visiting this page now that Docker has changed their license terms. Thanks for the help. Your docker daemon is running in WSL and you are just connecting to it with de docker command on Windows.