Docker Daemon Log with Docker for Mac

Did you know that Docker for Mac is now in general beta?

docker-for-mac

What is Docker for Mac?

Docker for Mac is a native Mac application architected from scratch, with a native user interface and auto-update capability, deeply integrated with OS X native virtualization

If you are using Docker Machine, then you can ssh to the machine using docker-machine ssh <machine-name> command and find the logs at /var/log/docker.

As Docker for Mac provide a native integration with Mac, the logs also can be found using the natural tools.

Mac Console for Docker Daemon Logs

Console is a utility available in Applications -> Utilities. log viewer included with macOS. It allows users to search through all of the system’s logged messages, and can alert the user when certain types of messages are logged. The console allows you to read the system logs, help find certain ones, monitor them, and filter their contents.

File -> New System Log Query…

docker-logs-console1

Give the query a name and set Sender to docker. Click on OK to save the query:

docker-logs-console2

Now the daemon logs can be easily seen here.

Now Console Log Query can be used to search logs, filter the results in various ways, and create reports.

Docker Daemon Log using CLI

You are not a GUI types person, and prefer a CLI approach. Then use syslog CLI. The command to see Docker daemon log is:

syslog -k Sender Docker

And it shows the output as:

Use syslog -help to find all the options for this CLI.

Docker Daemon Log File

If you really want the hard core way, then the log files are available at:

~/Library/Containers/com.docker.docker/Data/com.docker.driver.amd64-linux/log.

Check complete details at: docs.docker.com/docker-for-mac/troubleshoot/#/checking-the-logs.

What is holding you back from using Docker for Mac?

Enjoy!

Source: blog.couchbase.com/2016/july/docker-daemon-log-mac

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