171 lines
5.4 KiB
Markdown
171 lines
5.4 KiB
Markdown
---
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title: 'Frequently asked questions'
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linkTitle: 'FAQ'
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weight: 3
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description: 'Answers to frequently asked questions'
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---
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<!--lint disable heading-style-->
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## How to migrate data from CVAT.org to CVAT.ai
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Please follow the {{< ilink "/docs/manual/advanced/backup#backup" "export tasks and projects guide" >}} to
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download an archive with data which corresponds to your task or project. The backup for a
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project will have all tasks which are inside the project. Thus you don't need to export
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them separately.
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Please follow the {{< ilink "/docs/manual/advanced/backup#create-from-backup" "import tasks and projects guide" >}}
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to upload your backup with a task or project to a CVAT instance.
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See a quick demo below. It is really a simple process. If your data is huge, it may take some time.
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Please be patient.
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## How to upgrade CVAT
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Before upgrading, please follow the {{< ilink "/docs/administration/advanced/backup_guide" "backup guide" >}}
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and backup all CVAT volumes.
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Follow the {{< ilink "/docs/administration/advanced/upgrade_guide" "upgrade guide" >}}.
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## How to change default CVAT hostname or port
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To change the hostname, simply set the `CVAT_HOST` environment variable
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```bash
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export CVAT_HOST=<YOUR_HOSTNAME_OR_IP>
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```
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NOTE, if you're using `docker compose` with `sudo` to run CVAT, then please add the `-E` (or `--preserve-env`)
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flag to preserve the user environment variable which set above to take effect in your docker containers:
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```bash
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sudo -E docker compose up -d
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```
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If you want to change the default web application port, change the `ports` part of `traefik` service configuration
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in `docker-compose.yml`
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```yml
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services:
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traefik:
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...
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...
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ports:
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- <YOUR_WEB_PORTAL_PORT>:8080
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- 8090:8090
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```
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Note that changing the port does not make sense if you are using HTTPS - port 443 is conventionally
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used for HTTPS connections, and is needed for Let's Encrypt [TLS challenge](https://doc.traefik.io/traefik/https/acme/#tlschallenge).
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## How to configure connected share folder on Windows
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Follow the Docker manual and configure the directory that you want to use as a shared directory:
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- [Docker toolbox manual](https://docs.docker.com/toolbox/toolbox_install_windows/#optional-add-shared-directories)
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- [Docker for windows (see FILE SHARING section)](https://docs.docker.com/docker-for-windows/#resources)
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After that, it should be possible to use this directory as a CVAT share:
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```yaml
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services:
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cvat_server:
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volumes:
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- cvat_share:/home/django/share:ro
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cvat_worker_import:
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volumes:
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- cvat_share:/home/django/share:ro
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cvat_worker_export:
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volumes:
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- cvat_share:/home/django/share:ro
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cvat_worker_annotation:
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volumes:
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- cvat_share:/home/django/share:ro
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cvat_worker_chunks:
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volumes:
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- cvat_share:/home/django/share:ro
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volumes:
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cvat_share:
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driver_opts:
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type: none
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device: /d/my_cvat_share
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o: bind
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```
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## Where are uploaded images/videos stored
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The uploaded data is stored in the `cvat_data` docker volume:
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```yml
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volumes:
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- cvat_data:/home/django/data
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```
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## Where are annotations stored
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Annotations are stored in the PostgreSQL database. The database files are stored in the `cvat_db` docker volume:
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```yml
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volumes:
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- cvat_db:/var/lib/postgresql/data
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```
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## How to install CVAT on Windows 10 Home
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Follow this {{< ilink "/docs/administration/basics/installation#windows-10" "guide" >}}.
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## I do not have the Analytics tab on the header section. How can I add analytics
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You should build CVAT images with ['Analytics' component](https://github.com/cvat-ai/cvat/tree/develop/components/analytics).
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## How to upload annotations to an entire task from UI when there are multiple jobs in the task
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You can upload annotation for a multi-job task from the Dashboard view or the Task view.
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Uploading of annotation from the Annotation view only affects the current job.
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## How to specify multiple hostnames
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To do this, you will need to edit `traefik.http.<router>.cvat.rule` docker label for both the
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`cvat` and `cvat_ui` services, like so
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(see [the documentation](https://doc.traefik.io/traefik/routing/routers/#rule) on Traefik rules for more details):
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```yaml
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cvat_server:
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labels:
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traefik.http.routers.cvat.rule:
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(Host(`example1.com`) || Host(`example2.com`)) &&
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(PathPrefix(`/api/`) || PathPrefix(`/static/`) || PathPrefix(`/admin`)
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|| PathPrefix(`/django-rq`))
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cvat_ui:
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labels:
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traefik.http.routers.cvat-ui.rule: Host(`example1.com`) || Host(`example2.com`)
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```
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## How to create a task with multiple jobs
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Set the segment size when you create a new task, this option is available in the
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{{< ilink "/docs/manual/basics/create-annotation-task#advanced-configuration" "Advanced configuration" >}}
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section.
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## How to transfer CVAT to another machine
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Follow the
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{{< ilink "/docs/administration/advanced/backup_guide#how-to-backup-all-cvat-data" "backup/restore guide" >}}.
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## How to load your own DL model into CVAT
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See the information here in the
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{{< ilink "/docs/manual/advanced/serverless-tutorial#adding-your-own-dl-models" "Serverless tutorial" >}}.
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## My server uses a custom SSL certificate and I don't want to check it.
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You can call control SSL certificate check with the `--insecure` CLI argument.
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For SDK, you can specify `ssl_verify = True/False` in the `cvat_sdk.core.client.Config` object.
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