# rpk redpanda config set

> For the complete documentation index, see [llms.txt](https://docs.redpanda.com/llms.txt). Component-specific: [streaming-full.txt](https://docs.redpanda.com/streaming-full.txt)

---
title: rpk redpanda config set
latest-redpanda-tag: v25.2.1
latest-console-tag: v3.7.3
latest-operator-version: v26.1.4
# EOL = End-of-Life (support lifecycle status)
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page-eol-date: July 31, 2026
latest-connect-version: 4.93.0
docname: rpk/rpk-redpanda/rpk-redpanda-config-set
page-component-name: streaming
page-version: "25.2"
page-component-version: "25.2"
page-component-title: Streaming
page-relative-src-path: rpk/rpk-redpanda/rpk-redpanda-config-set.adoc
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page-git-created-date: "2023-05-17"
page-git-modified-date: "2025-09-08"
support-status: nearing end-of-life
---

<!-- Source: https://docs.redpanda.com/streaming/25.2/reference/rpk/rpk-redpanda/rpk-redpanda-config-set.md -->

> ❗ **IMPORTANT**
>
> This command is not supported on macOS, Windows.

Set configuration values, such as the redpanda node ID or the list of seed servers

This command modifies the `redpanda.yaml` you have locally on disk.

## [](#examples)Examples

The first argument is the key within the yaml representing a property / field that you would like to set. Nested fields can be accessed through a dot:

```bash
rpk redpanda config set redpanda.developer_mode true
```

All values are parsed as yaml and, since yaml is a superset of json, you can also format your input as json. Individual specific fields or full structs can be set:

```bash
rpk redpanda config set rpk.tune_disk_irq true
```

or

```bash
rpk redpanda config set redpanda.rpc_server '{address: 3.250.158.1, port: 9092}'
```

You can set an entire array by wrapping all items with braces, or by using one struct:

```bash
rpk redpanda config set redpanda.advertised_kafka_api '[{address: 10.0.0.1, port: 9092}]'
```

or

```bash
rpk redpanda config set redpanda.advertised_kafka_api '{address: 10.0.0.1, port: 9092}'
```

Indexing can be used to set specific items in an array. You can index one past the end of an array to extend it:

```bash
rpk redpanda config set redpanda.advertised_kafka_api[1] '{address: 10.0.0.1, port: 9092}'
```

You may also use `<key>=<value>` notation for setting configuration properties:

```bash
rpk redpanda config set redpanda.kafka_api[0].port=9092
```

## [](#usage)Usage

```bash
rpk redpanda config set <key> <value> [flags]
```

## [](#flags)Flags

| Value | Type | Description |
| --- | --- | --- |
| -h, --help | - | Help for set. |
| --config | string | Redpanda or rpk config file; default search paths are /var/lib/redpanda/.config/rpk/rpk.yaml, $PWD/redpanda.yaml, and /etc/redpanda/redpanda.yaml. |
| -X, --config-opt | stringArray | Override rpk configuration settings. See rpk -X or execute rpk -X help for inline detail or rpk -X list for terser detail. |
| --profile | string | Profile to use. See rpk profile for more details. |
| -v, --verbose | - | Enable verbose logging. |