Get Docker Container Logs
To access running docker image or container logs you need to use docker logs command.
Get docker container logs. The docker service logs command shows information logged by all containers participating in a service. When an application in a docker container emits logs they are sent to the application s stdout and stderr output streams. In this tutorial how to find and display docker logs in linux is explained. The easiest way to see docker logs is to start containers in the foreground.
The docker logs timestamps command will add an rfc3339nano timestamp for example 2014 09 16t06 17 46 000000000z to each. The container s logging driver can access these streams and send the logs to a file a log collector running on the host or a log management service endpoint. Docker logging is an important tool for system administration and for building and managing containerized applications. The docker logs follow command will continue streaming the new output from the container s stdout and stderr.
Docker logs container id f. How to see docker container logs introduction. The information that is logged and the format of the log depends almost entirely on the container s endpoint command. Docker container logs in the foreground.
2 minutes the docker logs command shows information logged by a running container. Then with the docker logs command you can list the logs for a particular container. Your log messages are printed to your terminal. In this tutorial i will list out various commands to display logs.
Logs and troubleshooting estimated reading time. Description fetch the logs of a container usage docker container logs options container options name shorthand default description details show extra details provided to logs follow f follow log. Let s explore docker logs from containers to compose swarm and the docker engine in a single post. It uses a json file driver to store logs for each container.
Passing a negative number or a non integer to tail is invalid and the value is set to all in that case. It helps you to troubleshoot any issues of containerized applications. If you are running your container in d detached mode or by docker remote api you will not see any logs in console. In this post we ll explain how the driver you choose and how you configure it influences the.
View logs for a container or service estimated reading time.