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Troubleshooting

This document contains common problems and their solutions.

`Refused to Connect` in Modal or Workspace View

This is not an issue with Dashy, but instead caused by the target app preventing direct access through embedded elements. It can be fixed by setting the X-Frame-Options HTTP header set to ALLOW [path to Dashy] or SAMEORIGIN, as defined in RFC-7034. These settings are usually set in the config file for the web server that's hosting the target application, here are some examples of how to enable cross-origin access with common web servers:

NGINX

In NGINX, you can use the add_header module within the app block.

server {
  ...
  add_header X-Frame-Options SAMEORIGIN always;
}

Then reload with service nginx reload

Caddy

In Caddy, you can use the header directive.

header {
  X-Frame-Options SAMEORIGIN
}

Apache

In Apache, you can use the mod_headers module to set the X-Frame-Options in your config file. This file is usually located somewhere like `/etc/apache2/httpd.conf

Header set X-Frame-Options: "ALLOW-FROM http://[dashy-location]/"

Yarn Error

For more info, see Issue #1

First of all, check that you've got yarn installed correctly - see the yarn installation docs for more info.

If you're getting an error about scenarios, then you've likely installed the wrong yarn... (you're not the only one!). You can fix it by uninstalling, adding the correct repo, and reinstalling, for example, in Debian:

sudo apt remove yarn
curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
sudo apt update && sudo apt install yarn

Alternatively, as a workaround, you have several options:

Try using NPM instead: So clone, cd, then run npm install, npm run build and npm start
Try using Docker instead, and all of the system setup and dependencies will already be taken care of. So from within the directory, just run docker build -t lissy93/dashy . to build, and then use docker start to run the project, e.g: docker run -it -p 8080:80 lissy93/dashy (see the deploying docs for more info)

Auth Validation Error: "should be object"

In V 1.6.5 an update was made that in the future will become a breaking change. You will need to update you config to reflect this before V 2.0.0 is released. In the meantime, your previous config will continue to function normally, but you will see a validation warning. The change means that the structure of the appConfig.auth object is now an object, which has a users property.

For more info, see this announcement.

You can fix this by replacing:

auth:
- user: xxx
  hash: xxx

with

auth:
  users:
  - user: xxx
    hash: xxx

DockerHub `toomanyrequests`

This situation relates to error messages similar to one of the following, returned when pulling, updating or running the Docker container from Docker Hub.

Continuing execution. Pulling image lissy93/dashy:release-1.6.0 
error pulling image configuration: toomanyrequests

You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit

When DockerHub returns one of these errors, or a 429 status, that means you've hit your rate limit. This was introduced last year, and prevents unauthenticated or free users from running docker pull more than 100 times per 6 hours. You can check your rate limit status by looking for the ratelimit-remaining header in any DockerHub responses.

Solution 1 - Use an alternate container registry

Dashy is also availible through GHCR, which at present does not have any hard limits. Just use docker pull ghcr.io/lissy93/dashy:latest to fetch the image
You can also build the image from source, by cloning the repo, and running docker build -t dashy . or use the pre-made docker compose

Solution 2 - Increase your rate limits

Logging in to DockerHub will increase your rate limit from 100 requests to 200 requests per 6 hour period
Upgrading to a Pro for $5/month will increase your image requests to 5,000 per day, and any plans above have no rate limits
Since rate limits are counted based on your IP address, proxying your requests, or using a VPN may work

Config Validation Errors

The configuration file is validated against Dashy's Schema using AJV.

First, check that your syntax is valid, using YAML Validator or JSON Validator. If the issue persists, then take a look at the schema, and verify that the field you are trying to add/ modify matches the required format. You can also use this tool to validate your JSON config against the schema, or run yarn validate-config.

If you're trying to use a recently released feature, and are getting a warning, this is likely because you've not yet updated the the current latest version of Dashy.

If the issue still persists, you should raise an issue.

Node Sass does not yet support your current environment

Caused by node-sass's binaries being built for a for a different architecture To fix this, just run: yarn rebuild node-sass

Error: Cannot find module './_baseValues'

Clearing the cache should fix this: yarn cache clean If the issue persists, remove (rm -rf node_modules\ yarn.lock) and reinstall (yarn) node_modules

Invalid Host Header while running through ngrok

Just add the -host-header flag, e.g. ngrok http 8080 -host-header="localhost:8080"

Warnings in the Console during deploy

Please acknowledge the difference between errors and warnings before raising an issue about messages in the console. It's not unusual to see warnings about a new version of a certain package being available, an asset bundle bing oversized or a service worker not yet having a cache. These shouldn't have any impact on the running application, so please don't raise issues about these unless it directly relates to a bug or issue you're experiencing. Errors on the other hand should not appear in the console, and they are worth looking into further.

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