Logs and troubleshooting Estimated reading time:13 minutesThis page contains information on how to diagnose and troubleshoot Docker Desktop issues, send logs and communicate with the Docker Desktop team, use our forums and Success Center, browse and log issues on GitHub, and find workarounds for known problems. TroubleshootChoose Troubleshootfrom the menu bar to see the troubleshoot options.The Troubleshoot page contains the following options:.Restart Docker Desktop: Select to restart Docker Desktop.Run Diagnostics: Select this option to diagnose any issues on Docker Desktop. For detailed information about diagnostics, see.Reset Kubernetes cluster: Select this option to delete all stacks and Kubernetes resources. For more information, see.Reset disk image: This option resets all Docker data without areset to factory defaults. Selecting this option results in the loss of existing settings.Reset to factory defaults: Choose this option to reset all options onDocker Desktop to their initial state, the same as when Docker Desktop was first installed.Uninstall: Choose this option to remove Docker Desktop from yoursystem.Uninstall Docker Desktop from the command lineTo uninstall Docker Desktop from a terminal, run: -uninstall.
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If your instance is installed in the default location, thiscommand provides a clean uninstall. $ /Applications/Docker.app/Contents/MacOS/Docker -uninstallDocker is running, exiting.Docker uninstalled successfully.
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Docker for Mac is a native hypervisor implementation of Docker that does not rely on a virtual machine provided by Docker Machine. It is new with some limitations and potential conflicts with DevTools. We will highlight the path to a peaceful coexistence.
You can move the Docker application to the trash.You might want to use the command-line uninstall if, for example, you find thatthe app is non-functional, and you cannot uninstall it from the menu. Diagnose problems, send feedback, and create GitHub issues In-app diagnosticsIf you encounter problems for which you do not find solutions in thisdocumentation, on, or the, we can help you troubleshootthe log data.Choose Troubleshoot Run Diagnostics.Once the diagnostics are available, you can upload them and obtain aDiagnostic ID, which must be provided when communicating with the Dockerteam.
For more information on our policy regarding personal data, see.If you click Report an issue, this opens Docker Desktop issues on GitHub in your web browser in a “New issue” template. Add the details before submitting the issue. Do not forget to copy/paste your diagnostic ID. Diagnosing from the terminalIn some cases, it is useful to run the diagnostics yourself, for instance, ifDocker Desktop cannot start.First, locate the com.docker.diagnose tool. If you have installed Docker Desktop in the Applications directory, then it is located at/Applications/Docker.app/Contents/MacOS/com.docker.diagnose.To create and upload diagnostics, run. Diagnostics Bundle: /tmp/B8CF8400-47B3-4068-ADA4-3BBDCE3985D9/3610.zipDiagnostics ID: B8CF8400-47B3-4068-ADA4-3BBDCE3985D9/3610 (uploaded )Diagnostics Bundle: /tmp/BE9AFAAF-F68B-41D0-9D12-84760E6B875152051.zipDiagnostics ID: BE9AFAAF-F68B-41D0-9D12-84760E6B875152051 (uploaded )The diagnostics ID (here BE9AFAAF-F68B-41D0-9D12-84760E6B875152051) iscomposed of your user ID (BE9AFAAF-F68B-41D0-9D12-84760E6B8740) and a timestamp(2051).
Ensure you provide the full diagnostics ID, and not just the user ID.To view the contents of the diagnostic file, run. $ /usr/bin/log show -debug -info -style syslog -last 1d -predicate '$pred' /tmp/logs.txtIn the Console appMacs provide a built-in log viewer, named “Console”, which you can use to checkDocker logs.The Console lives in /Applications/Utilities; you can search for it withSpotlight Search.To read the Docker app log messages, type docker in the Console window search bar and press Enter. Then select ANY to expand the drop-down list next to your docker search entry, and select Process.You can use the Console Log Query to search logs, filter the results in variousways, and create reports.Troubleshooting Make sure certificates are set up correctlyDocker Desktop ignores certificates listed under insecure registries, and doesnot send client certificates to them. Commands like docker run that attempt topull from the registry produces error messages on the command line, for example. 2019/06/20 18:15:30 http: TLS handshake error from 192.168.203.139:52882: tls: client didn't provide a certificate2019/06/20 18:15:30 http: TLS handshake error from 192.168.203.139:52883: tls: first record does not look like a TLS handshakeFor more about using client and server side certificates, see in the Getting Started topic. Docker Desktop does not start if Mac user account and home folder are renamed after installing the appSeein the FAQs. Volume mounting requires file sharing for any project directories outside of /UsersIf you are using mounted volumes and get runtime errors indicating anapplication file is not found, access to a volume mount is denied, or a servicecannot start, such as when using,you might need to enable.Volume mounting requires shared drives for projects that live outside of the/Users directory.
Go to Preferences Resources File sharing and share the drive that contains the Dockerfile and volume. Incompatible CPU detectedDocker Desktop requires a processor (CPU) that supports virtualization and, morespecifically, the.Docker Desktop is only compatible with Mac systems that have a CPU that supports the Hypervisor framework. Most Macs built in 2010 and later support it,as described in the Apple Hypervisor Framework documentation about supported hardware:Generally, machines with an Intel VT-x feature set that includes Extended PageTables (EPT) and Unrestricted Mode are supported.To check if your Mac supports the Hypervisor framework, run the following command in a terminal window. Docker run -d -v /var/run/docker.sock:/var/run/docker.sock -p 127.0.0.1:1234:1234 bobrik/socat TCP-LISTEN:1234,fork UNIX-CONNECT:/var/run/docker.sockand then export DOCKERHOST=tcp://localhost:1234.There are a number of issues with the performance of directories bind-mountedwith osxfs. In particular, writes of small blocks, and traversals of largedirectories are currently slow.
Additionally, containers that perform largenumbers of directory operations, such as repeated scans of large directorytrees, may suffer from poor performance. Applications that behave in this wayinclude:. rake.
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ember build. Symfony. Magento. Zend Framework. PHP applications that use to installdependencies in a vendor folderAs a work-around for this behavior, you can put vendor or third-party librarydirectories in Docker volumes, perform temporary file system operationsoutside of osxfs mounts, and use third-party tools like Unison or rsync tosynchronize between container directories and bind-mounted directories.
We areactively working on osxfs performance using a number of differenttechniques. To learn more, see the topic on.If your system does not have access to an NTP server, then after a hibernatethe time seen by Docker Desktop may be considerably out of sync with the host.Furthermore, the time may slowly drift out of sync during use.
To manuallyreset the time after hibernation, run.
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January 2023
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