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163 lines
5.3 KiB
163 lines
5.3 KiB
# mastodon-styles
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Some styles for a mastodon server.
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Should work on the root path of your mastodon instance. (/home/mastodon/live).
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## My instance
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I had a single-user instance running for about 4 months and I shut it down on
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March 25 2023 because of different reasons.
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I've been testing and playing around with that mastodon software but I only used
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version 4.0.2 (I think) up to 4.1.1.
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Upgrades went very well, just read the release docs.
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I moved servers two times, first time only geographically but second time I went
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to use a server with a smaller configuration setup (ram, harddisk size). This is
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not something you do in your webinterface, you gonna move the files and database
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by hand (an upgrade of harddisk size and RAM would be much easier on VPS systems).
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Finally, I'd like to show you some stats and maybe some useful information.
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### Some statistics
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for a single user instance with 4 relais (1 of them was only ham radio related, so
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the traffic on that one was very low). The other three relais made sidekiq to work
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~8x more than before the relais.
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```console
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$ bin/tootctl media usage
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Attachments: 16.1 GB (1.94 MB local)
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Custom emoji: 87.2 MB (450 KB local)
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Preview cards: 1.02 GB
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Avatars: 2.3 GB (48.5 KB local)
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Headers: 5.33 GB (429 KB local)
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Backups: 0 Bytes
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Imports: 0 Bytes
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Settings: 0 Bytes
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```
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### (Hopefully) helpful snippets
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#### clear media files
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<https://paste.opensuse.org/pastes/365542654a1e>
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```bash
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#!/bin/bash
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export PATH="$HOME/.rbenv/bin:$PATH"
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eval "$(rbenv init -)"
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export RAILS_ENV=production
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exec > /home/mastodon/live/log/prune.log 2>&1
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/home/mastodon/live/bin/tootctl statuses remove
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/home/mastodon/live/bin/tootctl media remove --days=5
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/home/mastodon/live/bin/tootctl media remove --prune-profiles --days=60
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/home/mastodon/live/bin/tootctl preview_cards remove --days=15
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/home/mastodon/live/bin/tootctl media remove-orphans
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/home/mastodon/live/bin/tootctl cache clear
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/home/mastodon/live/bin/tootctl media usage
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date
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```
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#### profile pics
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<https://paste.opensuse.org/pastes/4ecbf69cdee7>
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```bash
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#!/usr/bin/env bash
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# Kept only the accounts compression and jpeg optimization
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cd /home/mastodon/live/public/system/cache
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find -name '*.jpg' -print0 | xargs -0 jpegoptim --verbose --preserve --threshold=1 --max=45
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find -name '*.jpeg' -print0 | xargs -0 jpegoptim --verbose --preserve --threshold=1 --max=45
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cd /home/mastodon/live/public/system/cache/accounts
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find -name '*.png' -print0 | xargs -0 pngquant --verbose --ext=.png --force --speed 10 --quality 45-50 --skip-if-larger
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```
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#### managing media in rails console
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<https://github.com/mastodon/mastodon/issues/14681>
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There are several scripts executable with `RAILS_ENV=production bundle exec rails c`,
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for convenience laid out here with minor corrections. **Do not execute these
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without understanding what they do!**:
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Deleting all cached media attachments from external servers to allow web app
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to refetch them when they are queried. At least on my instance this is reaaally
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slow, takes tens of seconds per attachment (is this the same as tootctl media
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remove?):
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```ruby
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MediaAttachment.cached.where.not(remote_url: '').each do |attachment|
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attachment.file.destroy
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attachment.thumbnail.destroy
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attachment.save
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end
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```
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Deleting and redownloading all cached remote emojis. This apparently has a
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problem that the local URLs for the cached emojis change, and the URLs aren't
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updated to the fetched profile headers. I suppose this should be done before
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the next steps, assuming the cached local emoji URLs are set up correctly to
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the profile headers and names at the time of fetching. This doesn't seem to
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work though, maybe tootctl emoji purge --remote-only would be better:
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```ruby
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CustomEmoji.remote.where.not(image_file_name: nil).where.not(image_remote_url: '').each do |emoji|
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emoji.image.destroy
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emoji.image.save
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emoji.download_image!
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end
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```
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Deleting all remote profile avatars, and refetching them. Are these two the
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same as tootctl accounts refresh --all?:
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```ruby
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Account.remote.where.not(avatar_file_name: nil).where.not(avatar_remote_url: '').each do |a|
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a.avatar.destroy
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a.save
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a.download_avatar!
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end
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```
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Deleting all remote profile headers, and refetching them. Hopefully this
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uses/updates the newly fetched local cached emoji URLs, and also includes the
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profile name as they often contain emojis:
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```ruby
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Account.remote.where.not(header_file_name: nil).where.not(header_remote_url: '').each do |a|
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a.header.destroy
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a.save
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a.download_header!
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end
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```
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It would be awesome to get tooling for these to tootctl. That said, I'm not
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entirely sure if destroying the entities is necessary before downloading them
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again, and perhaps we could use remove_entity_cache instead. I'm not very well
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acquainted with the codebase.
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### instance self-destroy
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```console
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$ bin/tootctl self-destruct
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Type in the domain of the server to confirm: fedi.oe7drt.com
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This operation WILL NOT be reversible. It can also take a long time.
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While the data won't be erased locally, the server will be in a BROKEN STATE afterwards.
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A running Sidekiq process is required. Do not shut it down until queues clear.
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Are you sure you want to proceed? yes
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Do NOT interrupt this process...
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Queued 16232 items into Sidekiq for 4 accounts
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Wait until Sidekiq processes all items, then you can shut everything down and delete the data
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```
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