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58 lines
2.3 KiB
Markdown
58 lines
2.3 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 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`.
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To view systemd-journald logs using [journalctl](https://man.archlinux.org/man/journalctl.1), 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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## Increasing Synapse logging
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Because the [Synapse](https://github.com/element-hq/synapse) Matrix server is originally very chatty when it comes to logging, we intentionally reduce its [logging level](https://docs.python.org/3/library/logging.html#logging-levels) from `INFO` to `WARNING`.
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If you'd like to debug an issue or [report a Synapse bug](https://github.com/element-hq/synapse/issues/new/choose) to the developers, it'd be better if you temporarily increasing the logging level to `INFO`.
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Example configuration (`inventory/host_vars/matrix.example.com/vars.yml`):
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```yaml
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matrix_synapse_log_level: "INFO"
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matrix_synapse_storage_sql_log_level: "INFO"
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matrix_synapse_root_log_level: "INFO"
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```
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Re-run the playbook after making these configuration changes.
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## Remove unused Docker data
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You can free some disk space from Docker, 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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## Ma1sd
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See the dedicated [Adjusting ma1sd Identity Server configuration](configuring-playbook-ma1sd.md) documentation page.
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