VictoriaMetrics/docs/Quick-Start.md
Roman Khavronenko ff3711eea2 docs: update docs ordering and formatting (#1192)
The major change is adding `sort` directive to docs. For those docs which are copied
from internal packages `sort` is added via makefile command. For the rest it is added
manually since they're updated manually as well.

The rest of changes is connected with markdown formatting. For example, changing headers
in some files (`##` => `#`) makes navigation on .github.io to look better. This especially
useful for `changelog` docs.

Table of contents for `vmctl` is dropped, since we already have it autogenerated on .github.io.

No link changes expected. The corresponding PR to `cluster` branch will be made in follow-up PR.
2021-04-07 13:43:01 +03:00

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# Quick Start
1. If you run Ubuntu please run the `snap install victoriametrics` command to install and start VictoriaMetrics. Then read [these docs](https://snapcraft.io/victoriametrics).
Otherwise you can download the latest VictoriaMetrics release from [releases page](https://github.com/VictoriaMetrics/VictoriaMetrics/releases),
or [Docker hub](https://hub.docker.com/r/victoriametrics/victoria-metrics/)
or [build it from sources](https://victoriametrics.github.io/Single-server-VictoriaMetrics.html#how-to-build-from-sources).
2. This step isn't needed if you run VictoriaMetrics via `snap install victoriametrics` as described above.
Otherwise, please run the binary or Docker image with your desired command-line flags. You can look at `-help` to see descriptions of all available flags
and their default values. The default flag values should fit the majority of cases. The minimum required flags that must be configured are:
* `-storageDataPath` - the path to directory where VictoriaMetrics stores your data.
* `-retentionPeriod` - data retention.
For example:
`./victoria-metrics-prod -storageDataPath=/var/lib/victoria-metrics-data -retentionPeriod=3`
Check [these instructions](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/43) to configure VictoriaMetrics as an OS service.
We recommended setting up [VictoriaMetrics monitoring](https://victoriametrics.github.io/Single-server-VictoriaMetrics.html#monitoring).
3. Configure either [vmagent](https://victoriametrics.github.io/vmagent.html) or Prometheus to write data to VictoriaMetrics.
We recommended using `vmagent` instead of Prometheus because it is more resource efficient. If you still prefer Prometheus
see [these instructions](https://victoriametrics.github.io/Single-server-VictoriaMetrics.html#prometheus-setup)
for details on how it may be properly configured.
4. To configure Grafana to query VictoriaMetrics instead of Prometheus
please see [these instructions](https://victoriametrics.github.io/Single-server-VictoriaMetrics.html#grafana-setup).
There is also [cluster version](https://github.com/VictoriaMetrics/VictoriaMetrics/tree/cluster) and [SaaS playground](https://play.victoriametrics.com/signIn).