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include migration steps to stop the redis-server service on your new machine before copying the redis dump file (#1587)

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* include migration steps to stop the redis-server service on your new machine before copying the redis dump file

* use single command for redis-cli SAVE instead of opening then exiting the interactive client
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Brook Miles 2025-01-23 17:05:08 +09:00 committed by GitHub
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content/en/admin/migrating.md
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@ -20,7 +20,7 @@ This guide was written with Ubuntu Server in mind; your mileage may vary for oth
3. Dump and load the PostgreSQL database using the instructions below.
4. Copy the `system/` files using the instructions below. (Note: if you’re using S3, you can skip this step.)
5. Copy the `.env.production` file.
6. Save the Redis database, stop the Redis service, and copy the Redis database from `/var/lib/redis/` to the new server.
6. Save the Redis database, stop the Redis service on both your old and new machines, and copy the Redis database from `/var/lib/redis/` to the new server.
7. Run `RAILS_ENV=production bundle exec rails assets:precompile` to compile Mastodon
8. Start Mastodon and Redis on the new server.
9. Run `RAILS_ENV=production ./bin/tootctl feeds build` to rebuild the home timelines for each user.
@ -98,12 +98,16 @@ You’ll want to re-run this if any of the files on the old server change.
You should also copy over the `.env.production` file, which contains secrets.
On your new machine, ensure that Redis is not running, otherwise it may overwrite the dump file you are trying to restore. As the `root` user, run:
```bash
systemctl stop redis-server.service
```
Now copy your Redis database over (adjust the location of your Redis database as needed). On your old machine, as the `root` user, run:
```bash
redis-cli
SAVE
EXIT
redis-cli SAVE
systemctl stop redis-server.service
rsync -avz /var/lib/redis/ root@example.com:/var/lib/redis
```