mirror of
https://github.com/mailscope/kumomta.git
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67 lines
2.7 KiB
Markdown
67 lines
2.7 KiB
Markdown
# Getting Server Status
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Once KumoMTA is installed, you can check on the server status with systemctl.
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```console
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$ sudo systemctl status kumomta
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```
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The result should look something like this:
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```
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kumomta.service - KumoMTA SMTP service
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Loaded: loaded (/lib/systemd/system/kumomta.service; enabled; vendor preset: enabled)
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Active: active (running) since Thu 2023-04-27 22:59:06 MST; 10h ago
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Main PID: 17912 (kumod)
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Tasks: 28 (limit: 19190)
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Memory: 257.1M
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CGroup: /system.slice/kumomta.service
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└─17912 /opt/kumomta/sbin/kumod --policy /opt/kumomta/etc/policy/init.lua --user kumod
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Apr 27 22:59:06 kdev2.kumomta.com systemd[1]: Started KumoMTA SMTP service.
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Apr 27 22:59:06 kdev2.kumomta.com kumod[17912]: 2023-04-28T05:59:06.444479Z INFO main kumod::memory: using limits: soft=Some("12.58 GB"), hard=So>
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Apr 27 22:59:06 kdev2.kumomta.com kumod[17912]: 2023-04-28T05:59:06.450824Z INFO localset-2 kumod::http_server: http listener on 0.0.0.0:8000
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Apr 27 22:59:06 kdev2.kumomta.com kumod[17912]: 2023-04-28T05:59:06.471926Z INFO localset-2 kumod::spool: starting enumeration for meta
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Apr 27 22:59:06 kdev2.kumomta.com kumod[17912]: 2023-04-28T05:59:06.471995Z INFO localset-2 kumod::smtp_server: smtp listener on 0.0.0.0:25
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Apr 27 22:59:06 kdev2.kumomta.com kumod[17912]: 2023-04-28T05:59:06.472008Z INFO localset-2 kumod::smtp_server: smtp listener on 0.0.0.0:2026
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Apr 27 22:59:06 kdev2.kumomta.com kumod[17912]: 2023-04-28T05:59:06.475882Z INFO localset-2 kumod: initialization complete
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```
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The above is from a newer installation, but the log will grow. If you are
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debugging an older install, `journalctl -r -n 10 -u kumomta.service` will show
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the last 10 lines (`-n 10`) in reverse order (`-r`). `man journalctl` is your
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friend.
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If you need to find the installed version, you can run:
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```console
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$ /opt/kumomta/sbin/kumod --version
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```
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This will be important if you ever need to reach out for support.
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If you have configured an HTTP listener, you can access server metrics with:
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```console
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$ curl -i 'http://localhost:8000/metrics'
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```
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That will show a long form of the server metrics with detailed comments.
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If you want just the data in a nice JSON format, use:
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```console
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$ curl -i 'http://localhost:8000/metrics.json'
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```
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Metrics available include the following at the time of writing, and will
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increase as we build out the product:
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* `connection_count`: number of active connections
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* `lua_count`: the number of lua contexts currently alive
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* `lua_load_count`: how many times the policy lua script has been loaded into a new context
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* `lua_spare_count`: the number of lua contexts available for reuse in the pool
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* `memory_limit`: soft memory limit measured in bytes
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* `memory_usage`: number of bytes of used memory
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