Do you want to run a container? I only have one entry if I look for iptables: $ ls /usr/sbin/iptable* 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. But with containers, it becomes easy to have different versions of the same application running side-by-side, without making a mess. Startup is intentionally being slowed down to show this message host="tcp://169.254.255.121:2375" 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. Web Developer at Nortech International (pty) Ltd. What's the biggest mistake you've ever made while coding? High School, The Internet, Mother Nature, and Life itself.. My simple repo can have you up and running. 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. 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. We tried. Essentially i run docker, vs code , gpu compute (inside containers too) all on ubuntu wsl2. Does the command wsl --set-default-version 2 work? How To Install Docker Without Docker Desktop On Windows | by Paul Knulst | Better Programming 500 Apologies, but something went wrong on our end. To get started, in Windows Features enable: Alternatively, you can open PowerShell as Administrator and run: Open PowerShell as your normal user, ideally in the new Windows Terminal, and run: If you get an error about PowerShell script execution policy: You need to change the execution policy with: In PowerShell use Scoop to install tools that improve the use of Scoop, specifically git and aria2. ){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. For information, we can now install Podman desktop (and podman with MSI file), experimental but interressing. It could be embedded in a script, I suppose, and launched from other distros or Powershell. Here I thought it was because the iptables didn't follow the instructions. Full-stack developer, focused on PHP/Laravel and Go fan. 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. 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 ? 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. Is there a single-word adjective for "having exceptionally strong moral principles"? I did. DEV Community 2016 - 2023. Then we remove/unlink the old file, and create a new one. If I run "nslookup www.microsoft.com " I get "DNS request timed out" - no response. Unflagging _nicolas_louis_ will restore default visibility to their posts. Still same error after switching explicitly to iptables-legacy in debian 11. Hi, followed everything but on doing sudo dockered getting this error. But since I had no success, I went on. 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. Hey, great stuff! On a normal Azure VM it runs without problems. Just double-checking: are you sure you have iptables installed? But please - why did Windows paths work with Docker Desktop before? Use Podman on Windows to build custom WSL distro images. In WSL2, it's not possible to assign IP address but, I can use the windows port forwarding to redirect a local port from the host to a specific one of my distribution. Windows 11 Enterprise: 6 TB. Additionally, I found this to be helpful for configuring dockerd to start when opening a new terminal (if it hasn't already been started). By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Try wsl wslpath from Powershell, or just wslpath from Linux, to see the options. 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. Privacy Policy, This website uses cookies and Google Analytics to ensure you get the best experience on our website. Refresh the page, check Medium 's site status, or find something interesting to read. Thankfully, there are official guides for installing Docker on various Linux distributions. Windows Containers Docker provides the standalone Windows binaries for the Docker Daemon as well as the Docker CLI. The top 50 must-have CLI tools, including some scripts to help you automate the installation and updating of these tools on various systems/distros. 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?) Just open a new Ubuntu window and start playing with Docker!. For instance, name it docker.bat and place in C:\Windows\system32 or other location included in %PATH%. failed to load listeners: listen tcp 169.254.255.121:2375: bind: cannot assign requested address, jai@FA057586:~$ wsl Docker Desktop gives you access to both Windows Containers and Linux containers, by leveraging WSL 2. 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. See details regarding the companion Github repo by scrolling to the bottom. To see what group IDs are already assigned that are 1000 or above: Can't decide what number to use? The -d flag is optional, in case you want to the get back the bash prompt, it means dettached mode. Windows 11 Pro: 2 TB. Well, this is a game changer. If I exec into the running container then DNS is not working. But if you want the convenience and utility of running docker in a Powershell window, I have a couple suggestions. Confirm that whoami yields the correct username. Dependencies will be installed later, automatically. Then in the elevated PowerShell install dockeraccesshelper with: Import the dockeraccesshelper module with: Note, if you encounter the following error: Run the following to enable execution of remote signed PowerShell scripts for the current user: Finally, we need to configure dockeraccesshelper by running: Substituting DOMAIN and USERNAME for the domain and username of your non-privileged user. Before doing this, we will need two bits of information: the user id, and the name of the WSL distro. How to force Docker for a clean build of an image. Docker Desktop displays the Docker Desktop - Access Denied error if a Windows user is not part of the docker-users group. I work on client/server software. Have you heard of portainer? 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). 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. I still need to work and discuss with non-dev people, you know. So we need to launch manually docker with the automatic collect of the IP address, sudo dockerd -H `ifconfig eth0 | grep -E "([0-9]{1,3}. This requires a PowerShell instance with elevated privileges as Administrator. What is the significance of \mnt\wsl? 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 . Containers and images created with Docker Desktop are shared between all user accounts on machines where it is installed. Templates let you quickly answer FAQs or store snippets for re-use. It just isn't setting up the legacy rules. I have tried with multiple laptops (and multiple distros) and even with so many customisations, laptops keep heating up on idle. Why do academics stay as adjuncts for years rather than move around? Windows 11 Pro for Workstations: 6 TB. 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 (.) 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. I set that host path in that previous tutorial in the daemon.json file. Once unsuspended, _nicolas_louis_ will be able to comment and publish posts again. What's the difference between a power rail and a signal line? Visual Studio Code - Code Editing. 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. Docker - with buildkit They can still re-publish the post if they are not suspended. There's no fight between Windows and Linux since wsl2. Not so ideal for development with that heat on my hand . But yes, I used WSL2 enough that moved to a second PC with native Linux. Why is there a voltage on my HDMI and coaxial cables? Best possible hardware drivers by default. 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' The daemon is running in wsl so probably you need to specify paths in the wsl subsistem. from a Windows terminal, my environment contains DOCKER_HOST=tcp://127.0.0.1:2375. I got this error, I solved it by running WSL itself with admin privileges when opening the WSL window to run sudo dockerd. Before you can install Docker you need to enable systemd. If not, first make sure that sudo is installed. If the result is "!" (See my article on using Windows Terminal for a convenient way to use WSL and Powershell.). If this fails due to network connectivity, see below. yes, you are right but. With docker, it is possible to mount a host system's directory or files in the container. I was a long time unqualified hacker/gamer/tinkerer before I realized I should be doing this for money and became full-time dev. Well, let's check. I'm having same issue, using Debian 11 on WSL2. Just run wsl --set-default-version 2, and re install your linux distribution. Once unpublished, all posts by bowmanjd will become hidden and only accessible to themselves. Custom installations are also a great option with WSL 2. - It uses the same technology as Remote Desktop (think VNC), except it only does it for a single Window (and it's child windows). Then in the elevated PowerShell run: This will register the service, start it, and then exit the elevated Administrator shell. git enables Scoop to update itself. Reading about what goes on under the hood is an entertaining and informative endeavor, as well. Do you have iptables installed? Hey Derek, I believe the \mnt\wsl location is chosen so multiple Linux installations can share the same docker daemon. If the /etc/docker directory does not exist yet, create it with sudo mkdir /etc/docker/ so it can contain the config file. How to tell which packages are held back due to phased updates, Follow Up: struct sockaddr storage initialization by network format-string, Acidity of alcohols and basicity of amines. 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. HyperV is not stable enough on Linux, and VirtualBox is blocked by corporate rules. Windows can do a lot of things linux cant and has a lot of cutting edge hardware support. Strange my Debian is so far behind. Once unpublished, this post will become invisible to the public and only accessible to Nicolas Louis. 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. 14: curl#6 - "Could not resolve host: mirrorlist.centos.org; Unknown error". 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. 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. If you are using it for work, and your company exceeds a certain size or revenue, then consider paying for a subscription. In all of the above, the principle is the same: you are launching Linux executables, using WSL interoperability. When I want to stay without Docker Desktop, I need the deamon inside wsl? In PowerShell use Scoop to install the Docker static binaries: We now need to enable and start the Docker Service in Windows. I've been reading both this and "Install Docker on Windows (WSL) without Docker Desktop". Pretty sure there is no legacy version because iptables wasn't legacy then. Also note that a boot command in /etc/wsl.conf is only available on Windows 11. Probably not necessary, but on Ubuntu/Debian: Alpine (probably not necessary, but just in case): Alpine: Nothing needed. I'm sure a lot more people will be visiting this page now that Docker has changed their license terms. For more information and to change your decision later, see, # Optionally enable required Windows features if needed, https://download.docker.com/win/static/stable/x86_64/docker-20.10.13.zip, "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu, 's/\ -H\ fd:\/\//\ -H\ fd:\/\/\ -H\ tcp:\/\/127.0.0.1:2375/g', mcr.microsoft.com/windows/nanoserver:1809. 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". Use this image for your development process (developing, building and testing applications). 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. I wonder what is different. Microsoft is increasingly standardizing on its in-house CBL-Mariner Linux distribution. message. I have based these instructions on those, with some tweaks learned from real world testing. 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. Interesting; I just did this successfully last weekend. (If your Fedora does not have passwd, then you will need to first dnf install passwd cracklib-dicts). Why do we place the docker socket in the \mnt\wsl folder? This is quick and easy but is not advised. Built on Forem the open source software that powers DEV and other inclusive communities. First, let's pick one. Your docker daemon is running in WSL and you are just connecting to it with de docker command on Windows. With a Dockerfile containing only: I was getting yum errors not resolving the name of the mirror server: Determining fastest mirrors This guide includes instructions for launching dockerd in Debian, Ubuntu, Alpine, and Fedora. I'll share later in a response to this comment. Logon to the windows server/machine where you want the Docker services to start automatically. Debian and Ubuntu will configure this automatically at first launch, as should Alpine if you installed it from the Store. You just install it as any other applications for Windows, selecting dockerd as container runtime. In WSL2 change the service config to additionally expose the Docker Daemon on localhost: On Windows create a new context for the WSL host via PowerShell: Now you can easily run Windows and Linux containers simultaneously without switching like in Docker Desktop: You may not even need Docker Desktop if youre a poweruser not using the GUI. The next time you do docker login, the auth section of ~/.docker/config.json will be updated. I removed the Debian WSL for now. It will become hidden in your post, but will still be visible via the comment's permalink. at the end of the day, everybody still has bills to pay.. . You should see docker when you run the command groups to list group memberships. iptables v1.6.0. Fetched 288 kB in 0s (2,349 kB/s) Once suspended, _nicolas_louis_ will not be able to comment or publish posts until their suspension is removed. 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" [sudo] password for jai: 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 only run one it doesn't hurt, but you could use Docker's default location, /var/run/docker/containerd/containerd.sock. My understanding of the inner-workings of WSL is still rudimentary. 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. 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. I think spending some money for that is perfectly fine regarding the value Docker Desktop is providing to you. For good reason, Debian uses the more modern nftables, but this means that Docker cannot automatically tweak the Linux firewall. Excellent. Installing Docker can be heavy-weight and add more than expected to your system. It is actually possible to expose docker.sock from WSL so that it is accessible by Windows applications. 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 I know I did before, I'm not sure what I left out - but the iptables-legacy isn't set-able now. 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) You will most certainly need WSL 2 to run the Docker service. Trying to understand how to get this basic Fourier Series. You can skip this step, and proceed to updating packages and testing network connectivity, below. Here is the corrected version: ifconfig eth0 | grep -E "([0-9]{1,3}\. In fact this is what Docker Desktop is doing, allowing all Windows native applications to use npipe docker context. The Docker engine includes tools that automate container image creation. Jonathan, thank you for the incredibly detailed description of setting up Docker for use in WSL2 without Desktop. About. Find centralized, trusted content and collaborate around the technologies you use most. We're a place where coders share, stay up-to-date and grow their careers. Ip stuff port forwarding etc. docker context will likely be your friend. After setting it up, scoop install docker docker-compose will get you some familiar tools, then an SSH server such as Dropbear or OpenSSH on the WSL side A simplified method I recommend: a Powershell function that calls the WSL docker, passing along any arguments. On Fedora, you will additionally need to passwd myusername and enter the password you want to use. To run Linux containers on Windows there must be some kind of virtualization since containers use the kernel of the host operating system. Watch discussions for Docker-related .NET announcements. Add iptables false (as mentioned in the article). In a nutshell: Plenty more nuance and decisions below, of course. INFO[2021-11-06T15:39:08.506977000+05:30] Starting up I tried to made some simplifications from the initial article from Jonathan Bowman. Docker Desktop gives you access to both Windows Containers and Linux containers, by leveraging WSL 2. I'll never understand why developers who write code to run in linux fight with windows. Sometimes you need this simple as that. In particular you should specify paths in WSL, usually your C:/ drive is mounted in WSL under \mnt\c. Of course, if you use Docker without Docker Desktop, as detailed in this article, then this does not apply. Note that Docker Desktop is only free individuals or for small companies. Specifically, you use the the Containers extension of your Windows Admin Center instance to run the containers. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. 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. I mainly followed these instructions to install Ubuntu 20.04-LTS using WSL2 and prepare everything that dockerd is running inside this instance. Impress 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 do wish it'd change some day. 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. Is it possible to rotate a window 90 degrees if it has the same length and width? Docker provides the standalone Windows binaries for the Docker Daemon as well as the Docker CLI. I honestly haven't tried this with older versions of Debian. After this operation, 0 B of additional disk space will be used. 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 Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, How are you mounting the directories? If the upgrade command succeeded, you can skip this section.