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54 lines
2.2 KiB
Markdown
54 lines
2.2 KiB
Markdown
# Maintenance and Troubleshooting
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## How to see the current status of your services
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You can check the status of your services by using `systemctl status`. Example:
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```sh
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sudo systemctl status matrix-synapse
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● matrix-synapse.service - Synapse server
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Loaded: loaded (/etc/systemd/system/matrix-synapse.service; enabled; vendor preset: enabled)
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Active: active (running) since Sun 2024-01-14 09:13:06 UTC; 1h 31min ago
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```
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Docker containers that the playbook configures are supervised by [systemd](https://wiki.archlinux.org/title/Systemd) and their logs are configured to go to [systemd-journald](https://wiki.archlinux.org/title/Systemd/Journal).
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To view systemd-journald logs using [journalctl](https://man.archlinux.org/man/journalctl.1), log in to the server with SSH and run a command like this:
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```sh
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sudo journalctl -fu matrix-synapse
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```
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**Note**: to prevent double-logging, Docker logging is disabled by explicitly passing `--log-driver=none` to all containers. Due to this, you **cannot** view logs using `docker logs matrix-*`.
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## How to check if services work
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The playbook can perform a check to ensure that you've configured things correctly and that services are running.
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To perform the check, run:
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```sh
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ansible-playbook -i inventory/hosts setup.yml --tags=self-check
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```
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The shortcut command with `just` program is also available: `just run-tags self-check`
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If it's all green, everything is probably running correctly.
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Besides this self-check, you can also check whether your server federates with the Matrix network by using the [Federation Tester](https://federationtester.matrix.org/) against your base domain (`example.com`), not the `matrix.example.com` subdomain.
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## Remove unused Docker data
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You can free some disk space from Docker by removing its unused data. See [docker system prune](https://docs.docker.com/engine/reference/commandline/system_prune/) for more information.
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```sh
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ansible-playbook -i inventory/hosts setup.yml --tags=run-docker-prune
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```
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The shortcut command with `just` program is also available: `just run-tags run-docker-prune`
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## Postgres
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See the dedicated [PostgreSQL Maintenance](maintenance-postgres.md) documentation page.
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