From August 2018 onwards, Linuxserver are in the midst of switching to a new CI platform which will enable us to build and release multiple architectures under a single repo. To this end, existing images for `arm64` and `armhf` builds are being deprecated. They are replaced by a manifest file in each container which automatically pulls the correct image for your architecture. You'll also be able to pull based on a specific architecture tag.
TLDR: Multi-arch support is changing from multiple repos to one repo per container image.
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[Ubooquity](https://vaemendis.net/ubooquity/) is a free, lightweight and easy-to-use home server for your comics and ebooks. Use it to access your files from anywhere, with a tablet, an e-reader, a phone or a computer.
Our images support multiple architectures such as `x86-64`, `arm64` and `armhf`. We utilise the docker manifest for multi-platform awareness. More information is available from docker [here](https://github.com/docker/distribution/blob/master/docs/spec/manifest-v2-2.md#manifest-list).
Simply pulling `linuxserver/ubooquity` should retrieve the correct image for your arch, but you can also pull specific arch images via tags.
Container images are configured using parameters passed at runtime (such as those above). These parameters are separated by a colon and indicate `<external>:<internal>` respectively. For example, `-p 8080:80` would expose port `80` from inside the container to be accessible from the host's IP on port `8080` outside the container.
When using volumes (`-v` flags) permissions issues can arise between the host OS and the container, we avoid this issue by allowing you to specify the user `PUID` and group `PGID`.
Ubooquity has now been upgraded to [version 2](http://vaemendis.net/ubooquity/article19/ubooquity-2-1-0) and for existing v1.x users we recommend cleaning your appdata and reinstalling, due to changes in the application itself making the two versions essentially incompatible with each other. Also the admin page and library pages are now on separate ports as detailed below.
The quantity of memory allocated to Ubooquity depends on the hardware your are running it on. If this quantity is too small, you might sometime saturate it with when performing memory intensive operations. That’s when you get `java.lang.OutOfMemoryError:` Java heap space errors.
You can explicitly set the amount of memory Ubooquity is allowed to use (be careful to set a value lower than the actual physical memory of your hardware).
* Shell access whilst the container is running: `docker exec -it ubooquity /bin/bash`
* To monitor the logs of the container in realtime: `docker logs -f ubooquity`
* container version number
*`docker inspect -f '{{ index .Config.Labels "build_version" }}' ubooquity`
* image version number
*`docker inspect -f '{{ index .Config.Labels "build_version" }}' linuxserver/ubooquity`
## Updating Info
Most of our images are static, versioned, and require an image update and container recreation to update the app inside. With some exceptions (ie. nextcloud, plex), we do not recommend or support updating apps inside the container. Please consult the [Application Setup](#application-setup) section above to see if it is recommended for the image.
Below are the instructions for updating containers:
### Via Docker Run/Create
* Update the image: `docker pull linuxserver/ubooquity`
* Stop the running container: `docker stop ubooquity`
* Delete the container: `docker rm ubooquity`
* Recreate a new container with the same docker create parameters as instructed above (if mapped correctly to a host folder, your `/config` folder and settings will be preserved)
* Start the new container: `docker start ubooquity`
* You can also remove the old dangling images: `docker image prune`
### Via Docker Compose
* Update the image: `docker-compose pull linuxserver/ubooquity`
* Let compose update containers as necessary: `docker-compose up -d`
* You can also remove the old dangling images: `docker image prune`