Shulou(Shulou.com)06/03 Report--

Today, the editor will tell you how to view the container error log in docker. Application failures may occur in docker containers. When troubleshooting problems, we can check the error log.

View container application log

1. Enter the following command on the command line to view the stdout/stderr log of the specified container

Docker logs |

2. View the last 100 lines of the log of the specified container

Docker logs-- tail=100 |

3. Using the console Web interface, you can obtain not only the log information of a single container, but also the log information of specified application and service aggregation. After selecting the specified application and service, select the Log tab.

Note: if the container log is on the output file, it is recommended to collect the container log through the integration of container service and log service.

When troubleshooting container errors, you can view the list of containers, locate and find containers

Entering the docker ps command on the command line lists all containers running in the cluster; docker ps-a lists all containers in the cluster (including non-running containers)

Enter the docker ps-a murf label=com.docker.compose.project= command on the command line to list the containers that belong to a specific application

Enter the docker ps-a murf label=com.docker.compose.service= command on the command line to list the containers that belong to the specified service name

The container cloud is implemented by deploying container services on cluster servers through docker technology. It is powerful and easy to use. With tens of thousands of Linux images, it can be easily used as a cluster service, and VPC can be built freely and easily.

As a senior professional cloud computing service provider and cloud security service provider in the industry, it is committed to providing cloud servers for Internet enterprise users and enterprise users in traditional industries. Its products have the characteristics and advantages of "security and stability, easy to use, high service availability, high performance-to-price ratio" and are designed to be customized for enterprises to meet the needs of rich and diversified application scenarios.

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