host="tcp://169.254.255.121:2375" Docker Desktop is an application for MacOS, Linux, and Windows machines for the building and sharing of containerized applications and microservices. As a next step we also would like to run them simultaneously. With a Dockerfile containing only: I was getting yum errors not resolving the name of the mirror server: Determining fastest mirrors If you think there is another obvious WSL distro that should be considered, feel free to let me know in the comments. (Reading database 36399 files and directories currently installed.) But since I had no success, I went on. Asking for help, clarification, or responding to other answers. 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. Get:1 deb.debian.org/debian stretch/main amd64 iptables amd64 1.6.0+snapshot20161117-6 [288 kB] Docker works on WSL 2, and without requiring the robust but heavy Docker Desktop if that is undesirable. Only if you have docker desktop currently installed of course. 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). Find centralized, trusted content and collaborate around the technologies you use most. then that user has no password set. Ip stuff port forwarding etc. If that script is already in your .bashrc or .profile, then the following is unnecessary. 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. 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. My concern was to continue to debug from Visual Studio 2019 and Visual Code directly in container. If I run "nslookup www.microsoft.com " I get "DNS request timed out" - no response. Is it just to control the shared docker socket location, or are there other reasons? Trying to understand how to get this basic Fourier Series. You should see docker when you run the command groups to list group memberships." Get IP address in WSL2 By default, non-privileged Windows users cannot reach the Docker Service. If you are using it for work, and your company exceeds a certain size or revenue, then consider paying for a subscription. If you want Docker to work on Windows and WSL 2, installing Docker Desktop is most likely the way to go. I did. Feel free to try it out. You just install it as any other applications for Windows, selecting dockerd as container runtime. Excellent. To run WSL 2, Windows version 1903 or higher is needed, with Build 18362 or higher. If so, you have success. 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. This means that every docker command is actually executed on the WSL subsystem and paths should be specified accordingly. 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. Visual Studio Code - Code Editing. 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. Constantly learning to develop software. 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 :). In the same PowerShell session enter: Updated on Apr 10, 2022. More information about the setup, my NAS and Disks are less then a year old and in perfect condition. If you want a more generalized "if this is wsl, then set the socket pro-actively" then you may prefer the following, which simply check for the existence of a /mnt/wsl directory and sets the docker socket if so: If configured as above, I recommend always running docker from wsl. Once unpublished, this post will become invisible to the public and only accessible to Nicolas Louis. On a normal Azure VM it runs without problems. 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. Since I could resolve the name of the server from Debian WSL2 with no issue, I knew my DNS was working there. Do you have iptables installed? When executing these lines you'll be prompted to enter your distro password (sudo) and I'll see after the log of dockerd. Once unsuspended, _nicolas_louis_ will be able to comment and publish posts again. Uninstall . Probably not necessary, but on Ubuntu/Debian: Alpine (probably not necessary, but just in case): Alpine: Nothing needed. This article attempts to explore such a process and options along the way. Before you can install Docker you need to enable systemd. From there you can simply use these paths as youve mentioned. ){3}[0-9]{1,3}" | grep -v 127.0.0.1 |awk '{ print $2 }' | cut -f2 -d:`, And you get the IP address, as described before, In the Powershell windows of the terminal, you can run the following command Essentially i run docker, vs code , gpu compute (inside containers too) all on ubuntu wsl2. And, yes, VSCode can work with podman. You can double check on any distro with: (If you are not root, you may need to su first). 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. I'm having same issue, using Debian 11 on WSL2. A little more suggestion about TCP access, as well. ", echo `ifconfig eth0 | grep -E "([0-9]{1,3}. If the upgrade command succeeded, you can skip this section. Now I have started using docker desktop again. Let's make everything new and shiny with one of the following: Upgrading the packages also serves as a network test. This isn't the 90's anymore, it is really super easy to run linux on your local dev machine and every program you would want for dev that is worth running already runs on linux. Another option may eventually be Rancher Desktop if they add Windows support, but it is currently limited to Linux containers. Is it known that BQP is not contained within NP? But if you prefer a lighter, command line approach to working with Windows Containers, it is possible to install and use Docker static binaries without Docker Desktop. Windows 11 Enterprise: 6 TB. The downside to this approach is that Docker static binaries on Windows do not support Linux containers, buildx, docker scan, or docker compose functionality. 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. BTW I solved this issue switching from Debian to Ubuntu as WSL2 distro. 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. Very clever. Do you want to run a container? WSL In a windows terminal (Windows Power Shell) , launch : sudo dockerd -H `ifconfig eth0 | grep -E "([0-9]{1,3}. 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. May I suggest 36257. Thanks for keeping DEV Community safe. Never miss out on developer content you need to maintain a healthy developer career. Well, let's check. 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". 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". Everything will work fine when I'll see the message "API listen on 172.18.75.23:2375". 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. 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}. Connecting to any sort of enterprise-y VPN or WiFi just doesn't work. If using only one distro, and that distro is Ubuntu, service docker start should work well. Success? You may never look back. They can still re-publish the post if they are not suspended. Watch out for the networking bridge installed by Docker, it can conflict with other private networks using the same private IP range. 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. It requires a small proxy application to make it work though. ){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? Just run linux native. Unfortunately if you want to run docker from WSL (not using Docker Desktop) this will be the only way to use volumes. 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. A hint: ever tried scoop.sh? I got this error, I solved it by running WSL itself with admin privileges when opening the WSL window to run sudo dockerd. I do wish it'd change some day. Docker Desktop gives you access to both Windows Containers and Linux containers, by leveraging WSL 2. A Linux dev machine is quite desirable. I ran Linux dual boot from 2000-2004 and then as a daily driver 2004-2017. yes, you are right but. For communication over the socket, privileged access is required. 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. 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. You have to remove the daemon.json if you want to use args command line. Here is what I get: $ update-alternatives --config iptables Does the command wsl --set-default-version 2 work? 2023 0.0.1 |awk '{ print $2 }' | cut -f2 -d: If you do not yet have a running WSL instance with a distro of your choice, the next step is to pick one from the Microsoft Store. I honestly haven't tried this with older versions of Debian. I reused and I adapted it to make VisualCode working with dockerd under WSL2. Use this image for your development process (developing, building and testing applications). The builder is the oldest and slowest, but gets the job done. Best possible hardware drivers by default. First, let's pick one. ko-fi.com/bowmanjd. Even with that, I will still run WSL on any Windows machine I can. (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). If your admin account is different to your user account, add the docker-users group. On the official Data Gateway documentation it says th. To get to a Linux directory while in Powershell, try something like. To make it easy to use I have packaged it into a container, so it is easy to deploy with a single docker run. For information, we can now install Podman desktop (and podman with MSI file), experimental but interressing. If you used Debian or Ubuntu from the Windows store and set up the default user on first launch, then sudo should already be configured on behalf of the default user. This doesn't just apply to the terminal, either. Since Docker announced a new subscription for Docker Desktop for personal use, educational institutions, non-commercial open-source projects and small businesses, other enterprises need to acquire licences for all installations of Docker Desktop. Now it is possible to run Docker on Windows or MacOS. Making statements based on opinion; back them up with references or personal experience. Proprietary software, not limited to MS Word and PowerPoint. Yes ! Installing WSL is explained here or you can use an already existing Ubuntu distribution. If you dont want to switch between Windows and WSL when running Windows or Linux containers, you can just expose the Docker Daemon in WSL2 and create a context for it. Fourth part: Run this line to start your Docker every time you need it. (https://dev.to/_nicolas_louis_/how-to-run-docker-on-windows-without-docker-desktop-hik), I currently start dockerd with "-H tcp://127.0.0.1" and it does work, I can pull images, run containers, build images etc. If you are getting started with Windows Container development, one option is to install Docker Desktop. Weird -- containerd is already installed on mine; I can update the instructions accordingly. I make games in my free time. I mainly followed these instructions to install Ubuntu 20.04-LTS using WSL2 and prepare everything that dockerd is running inside this instance. Made with love and Ruby on Rails. Before proceeding, let's note that Docker Desktop is amazing. I'm curious why you'd use a custom script to start dockerd rather than just using service docker start? For Windows, as for Linux, Docker containers offer . 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. Do roots of these polynomials approach the negative of the Euler-Mascheroni constant? sudo dockerd -H ifconfig eth0 | grep -E "([0-9]{1,3}. I'm using it on windows and I've understand the concept (a container is just a linux process with a bit more isolation than a classic process). update-alternatives: error: no alternatives for iptables. 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. Its surprisingly easy! 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. Interesting; I just did this successfully last weekend. On Alpine, this should prompt for the new password. I have based these instructions on those, with some tweaks learned from real world testing. Why does Mister Mxyzptlk need to have a weakness in the comics? (If your Fedora does not have passwd, then you will need to first dnf install passwd cracklib-dicts). So the reason I use Windows is because that's where the driver support is. Again, try wsl -l -q to see a list of your WSL distributions if you are unsure which one to use. Change the path to the directory that contains your docker-compose.yaml file. This is quick and easy but is not advised. Again, this step can be skipped if you opt against using a shared directory for the docker socket. 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. Podman is daemonless (no background service needed), modern (cgroups v2 out of the box), supports rootless, and serves as a drop-in replacement for Docker. ){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 Here I thought it was because the iptables didn't follow the instructions. $ iptables --version /usr/sbin/iptables-apply. Ive been running WSL on potato laptops and now I high end one with no heat issues at all. It is the latest from Microsoft - or so I thought. I'm not sure what happened to the previous reply: $ dpkg -S /usr/sbin/iptables-legacy 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. Microsoft offers a more detailed comparison in the docs. Is it suspicious or odd to stand by the gate of a GA airport watching the planes? You should see docker when you run the command groups to list group memberships. 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 FDB9 561F CC5F 4399 744C 6441 13DF E453 0C28 527B, Software Developer at Abstract Matters (self-employed), Software Engineering Operations Lead at Biamp Systems. ){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. I have tried with multiple laptops (and multiple distros) and even with so many customisations, laptops keep heating up on idle. Microsoft's has step-by-step instructions on how to upgrade to WSL 2. OS Build 19044.1586". Then this issue just went away, regardless of whether I ran WSL as admin. Also note that a boot command in /etc/wsl.conf is only available on Windows 11. I'm currently trying to understand how docker can help me in my daily work. 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. 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. 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. sudo dockerd. 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. dpkg-query: no path found matching pattern /usr/sbin/iptables-legacy, iptables is installed: sudo dockerd -H ifconfig eth0 | grep -E "([0-9]{1,3}. Then we remove/unlink the old file, and create a new one. If the whoami command returnes "root", then you will want to add a non-root user. 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?) So I wonder if Windows 10 wsl Debian changed - I can't use the update-alternatives --config iptables. Even after upgrading WSL to 2 and running wsl --set-default-version 2, my distribution was still WSL1 as it was created before the upgrade. 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. Once unsuspended, bowmanjd will be able to comment and publish posts again. I only have one entry if I look for iptables: $ ls /usr/sbin/iptable* Installing Docker can be heavy-weight and add more than expected to your system. Call me stupid, but I think, this was one of my many attempts to get this working. 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. , Practice yoga, write code, enjoy life, repeat. Have you heard of portainer? host="tcp://169.254.255.121:2375" Done dpkg-query: no path found matching pattern /usr/sbin/iptables-legacy EDIT: It turned out that the eventual root cause of my issue was that my distribution was still on WSL1. I will write an article eventually, but it is there. Plain and simple. Hello, thank you for this article. Docker Desktop gives you access to both Windows Containers and Linux containers, by leveraging WSL 2. Know a bit of python, php, laravel and other few languages. Templates let you quickly answer FAQs or store snippets for re-use. 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. I had in mind to make my existing toolchains still working (VSCode, Visual Studio). Thank you so much! I know I did before, I'm not sure what I left out - but the iptables-legacy isn't set-able now. To configure dockeraccess module, open another elevated PowerShell: Enable the elevated PowerShell to make changes. Thanks for this post, very useful previously. But with containers, it becomes easy to have different versions of the same application running side-by-side, without making a mess. With this newly-configured DNS resolver (in this case, pointing directly to Cloudflare's DNS server) you can try upgrading packages again. I also tried another custom docker with a fresh VANILLA minecraft install. 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Once unpublished, all posts by _nicolas_louis_ will become hidden and only accessible to themselves. To learn more, see our tips on writing great answers. Have you managed to mount volumes from windows to docker image running in WSL2 ? When did this happen? Microsoft is increasingly standardizing on its in-house CBL-Mariner Linux distribution. How can Docker Desktop mount Windows Volumes? $ iptables --version What is the significance of \mnt\wsl? This is a very useful tool, to say the least. To run Linux containers on Windows there must be some kind of virtualization since containers use the kernel of the host operating system. Made with love and Ruby on Rails. I did "sudo apt-get install iptables" to be sure. I had heard at Microsoft Ignite that Docker was super excited to partner with Microsoft to develop the Docker Engine for Windows Server. You can skip this step, and proceed to updating packages and testing network connectivity, below. My simple repo can have you up and running. Docker provides the standalone Windows binaries for the Docker Daemon as well as the Docker CLI. If you need to set a password, you can use passwd myusername (of course, in all of the above, use your username in place of "myusername.". Those licensing changes however only apply to Docker Desktop. 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. 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' 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. Never miss out on developer content you need to maintain a healthy developer career. Yes of course it's installed but not configured to access to WSL2, To do so, click on the icon (?) Custom installations are also a great option with WSL 2. Kubernetes can be installed and configured many ways and Dcoker DEsktop will give you one version. There are 2 choices for the alternative iptables (providing /usr/sbin/iptables). The steps to create and run containers on Windows Server using Docker can be summarized as follows: 1. Run docker-compose up -d to bring all the containers up. I agree it must be something in iptables too. Maybe the project I'm trying to compile doesn't like Debian 9! Windows can do a lot of things linux cant and has a lot of cutting edge hardware support. I work on client/server software. 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. I removed the Debian WSL for now. 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. sudo: dockerd: command not found, I followed all the steps but unable to run docker on my WSL2 -, sudo dockerd -H ifconfig eth0 | grep -E "([0-9]{1,3}. Then in the elevated PowerShell run: This will register the service, start it, and then exit the elevated Administrator shell. Here are the commands: Now youre ready to run Linux containers as well. 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. Hopefully you will see something like "Version 21H2. ){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 Now, my containers can access "the internet". For Windows Home - Enable Windows Subsystem for Linux (Instructions Here: https://docs.microsoft.com/en-us/windows/wsl/install-win10 ). Finally, in a windows terminal, I can simply run a command like this: This article shows how we can use docker in windows and WSL2 without Docker Workstation They can still re-publish the post if they are not suspended. 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. I will definitely try that, and update the article. sudo nano /etc/resolv.conf $ dpkg -S /usr/sbin/iptables-legacy In parallel, in a windows terminal opened in my distro, I can check with top or htop if dockerd processes are running.
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