open-vault/website/source/docs/commands/server.html.md

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---
layout: "docs"
page_title: "server - Command"
sidebar_current: "docs-commands-server"
description: |-
The "server" command starts a Vault server that responds to API requests. By
default, Vault will start in a "sealed" state. The Vault cluster must be
initialized before use.
---
# server
The `server` command starts a Vault server that responds to API requests. By
default, Vault will start in a "sealed" state. The Vault cluster must be
initialized before use, usually by the `vault operator init` command. Each Vault
server must also be unsealed using the `vault operator unseal` command or the
API before the server can respond to requests.
For more information, please see:
- [`operator init` command](/docs/commands/operator/init.html) for information
on initializing a Vault server.
- [`operator unseal` command](/docs/commands/operator/unseal.html) for
information on providing unseal keys.
- [Vault configuration](/docs/configuration/index.html) for the syntax and
various configuration options for a Vault server.
## Examples
Start a server with a configuration file:
```text
$ vault server -config=/etc/vault/config.hcl
```
Run in "dev" mode with a custom initial root token:
```text
$ vault server -dev -dev-root-token-id="root"
```
## Usage
The following flags are available in addition to the [standard set of
flags](/docs/commands/index.html) included on all commands.
### Command Options
- `-config` `(string: "")` - Path to a configuration file or directory of
configuration files. This flag can be specified multiple times to load
multiple configurations. If the path is a directory, all files which end in
.hcl or .json are loaded.
- `-log-level` `(string: "info")` - Log verbosity level. Supported values (in
order of detail) are "trace", "debug", "info", "warn", and "err". This can
also be specified via the VAULT_LOG environment variable.
### Dev Options
- `-dev` `(bool: false)` - Enable development mode. In this mode, Vault runs
in-memory and starts unsealed. As the name implies, do not run "dev" mode in
production.
- `-dev-listen-address` `(string: "127.0.0.1:8200")` - Address to bind to in
"dev" mode. This can also be specified via the `VAULT_DEV_LISTEN_ADDRESS`
environment variable.
- `-dev-root-token-id` `(string: "")` - Initial root token. This only applies
when running in "dev" mode. This can also be specified via the
`VAULT_DEV_ROOT_TOKEN_ID` environment variable.