I recommend to always use either CentOS or Ubuntu. This way you will be compatible with other hosting providers and cloud vendors. Additionally, there is much more documentation regarding Ubuntu out there than for distributions like Oracle Linux.
When running VM instances on Oracle Cloud, you might want to use all ports, not just the few ports that are open by default. This post shows how to disable the Virtual Cloud Network firewall altogether. Additionally, you need to configure the instance firewall e.g. via SSH. For Ubuntu, see How to disable instance firewall on Ubuntu on Oracle Cloud.
You need to use firefox to access the UI. It will not work in chrome!
When using the official nextcloud docker image, you will see a message like
Module php-imagick in this instance has no SVG support. For better compatibility it is recommended to install it.
on the system overview page
Solution
This is a bug in the docker image and will likely be resolved soon – in the meantime, we can just manually install the required library on the container:
If you re-create the container, this change will be lost, but in my opinion it’s best to opt for a simple solution here and possible do it again once or twice as opposed to a permanent but much more labour-intensive procedure like updating the docker image and later migrating back to the official image.
When trying to maintenance:repair your Nextcloud instance, e.g. during a utf8mb4 upgrade, you see an error message like
ERROR: An exception occurred while executing a query: SQLSTATE[HY000]: General error: 4047 InnoDB refuses to write tables with ROW_FORMAT=COMPRESSED or KEY_BLOCK_SIZE.
Solution:
You need to turn off innodb-read-only-compressed. I do this by starting my MySQL docker with
We tested some free transcription services with a MP4 video with large amounts of background noise and a very badly recorded voice from a camera microphone.
The best result was from amberscript.com which was much much better than the next best result from temi.
Further notes:
We did not find out how to export the entire subtitle file from veed.io
temi provides an interface where words that have not been recognized clearly are marked. This helps enormously when manually correcting transcriptions.
freetranscriptions takes audio files as input, not video files
amberscript took the longest of all tools to transcribe.
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