Frequently asked questions about Container Station
Applicable Products
Container Station
Overview
Container Station lets you install and centrally manage containers on your QNAP device. Below are the most frequently-asked questions by users of Container Station.
How do I use Container Station 3?
Containers are a lightweight way to simulate a variety of operating systems and application services. Integrated with the Docker Hub Registry and LXD Image Server, Container Station helps you easily download ready-to-use images and increase the functionality of your QNAP device. For details on how to use Container Station 3, see the tutorial.
Why are my containers not displaying the container URL link after updating to Container Station 3?
When updating Container Station to version 3, containers with uncommon web ports are unable to create URL links during the migration process. Therefore, you are unable to see the URL link icon. To view the URL link, follow the below steps:
- Start Container Station 3.
- Go to Containers.
- Select a container.
- Click Edit.
- Go to Network.
- Next to Default web URL port, click
. - Specify the port number.Note
- This should be the container port and not the published host port. By default, NGINX containers use port number 80 and Jenkins containers use port number 8080.
- The default web URL port is only used for the first connected network in the list.
- Click Apply.
Container Station 3 saves the URL port settings.
- To access the container website, click
. - For details on how to configure the default web URL ports for applications and containers, see the tutorial.
Why am I unable to edit the application and container settings in Container Station 3?
Once you create a container or application in Container Station 3, you cannot edit the settings. This is accordance with the original lightweight definition of LXD and Docker. If you want to reconfigure the container or application settings, you can use the Recreate feature to modify the settings.
Recreating an application
- Start Container Station 3.
- Go to Applications.
- Select an application.
- Next to Edit, click
. - Click Recreate.
- Modify the YAML code and settings based on your preferences.
- Click Update.
Container Station 3 replaces the source application with the modified YAML code and settings.
Recreating a container
- Start Container Station 3.
- Go to Containers.
- Select a container.
- Next to Edit, click.
- Click Recreate.
- Follow the wizard instructions and modify the settings based on your preferences.
- Click Finish.
Container Station 3 replaces the source container with the modified settings.
Why am I unable to enter commands into the terminal in Container Station 3?
In Container Station 3, the Logs and Attach Terminal features are independent functions. To enter commands into the terminal, follow the below steps:
- Start Container Station 3.
- Go to Containers.
- Select a running container.
- Click Attach Terminal.NoteYou must enable the interactive (-i) and TTY (-t) processes to attach the terminal to a container.
Why am I unable to see or receive logs and notification events generated in earlier versions of Container Station on Container Station 3?
System logs generated in earlier versions of Container Station 3 are archived and exported during data migration, and event notification rules from earlier versions have been reset.
- To access logs from earlier versions, go to the Container Station folder on your QNAP device, and locate the
container-station-earlier-logs.csvfile. By default, the path should be like /Container/container-station-earlier-logs.csv. - To receive notification events, you must recreate the event notification rules in order to receive application notifications in Container Station 3.
