# esptool を Homebrew, apk, apt, dnf, MacPorts, Nix, pacman でインストール

esptool のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

## インストール

```sh
sudo av install brew:esptool
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install esptool
```

  証拠: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install esptool
```

  証拠: MacPorts ports tree: cross/esptool/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- apk (92%):

```sh
sudo apk add esptool
```

  証拠: Alpine Linux edge package indexes: esptool from https://dl-cdn.alpinelinux.org/alpine/edge/testing/x86_64/APKINDEX.tar.gz

- Debian apt (92%):

```sh
sudo apt install esptool
```

  証拠: Debian stable package indexes: esptool from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

- dnf (92%):

```sh
sudo dnf install esptool
```

  証拠: Fedora Rawhide package metadata: esptool from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst

- Nix (92%):

```sh
nix profile install nixpkgs#esptool
```

  証拠: nixpkgs package indexes: pkgs/by-name/es/esptool/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

- pacman (92%):

```sh
sudo pacman -S esptool
```

  証拠: Arch Linux sync databases: esptool from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz

## パッケージ情報

- **パッケージキー:** brew:esptool
- **パッケージマネージャ:** Homebrew
- **バージョン:** 5.3.1
- **ソース概要:** ESP8266 and ESP32 serial bootloader utility
- **ホームページ:** <https://docs.espressif.com/projects/esptool/en/latest/esp32/>
- **最終更新:** 2026-08-02T12:51:36+01:00
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- esp_rfc2217_server (エイリアス)
- esp_rfc2217_server.py (エイリアス)
- espefuse (エイリアス)
- espefuse.py (エイリアス)
- espsecure (エイリアス)
- espsecure.py (エイリアス)
- esptool (エイリアス)
- esptool.py (エイリアス)

## インストール挙動

- Bottle: 利用不可

## バージョンと鮮度

- ページ生成日: 2026-08-03
- マネージャ版: 5.3.1
## プロジェクトの歴史と使われ方

esptool is Espressif's Python-based, platform-independent serial utility for flashing, provisioning, and interacting with Espressif SoCs.

### プロジェクトの歴史

The official repository says esptool was initially created by Fredrik Ahlberg and later maintained by Angus Gratton; it is now supported by Espressif Systems and has received community improvements. That history reflects its move from community ESP8266 tooling into the vendor-supported flashing utility for the broader Espressif chip family.

### 採用の歴史

As ESP8266 and ESP32 boards became common in hobbyist, IoT, and embedded development, esptool became the packaging target for the host-side operation everyone needed: moving firmware images onto chips over serial. Its distribution through Homebrew and many Linux package managers mirrors its role as infrastructure rather than as an application.

Espressif's documentation and repository describe a tool that spans flashing, provisioning, secure operations, eFuse management, remote serial ports, scripting, and chip-specific targets. That breadth made it a dependency under higher-level build systems as well as a direct CLI for firmware developers.

### 使われ方

The core workflow is `esptool write-flash`, where users provide a serial port and flash offsets plus one or more binary files. The documentation notes automatic chip detection for writing, serial transfer compression by default, erase behavior before writes, and options for skipping unchanged content or fast reflashing.

The Homebrew package also installs companion commands such as `espefuse`, `espsecure`, and `esp_rfc2217_server`, so package users get both everyday flashing and lower-level provisioning, security, and remote serial helpers from the same source package.

### パッケージ好きにとっての重要性

esptool is one of those packages that quietly defines an ecosystem: if an OS package set wants embedded developers to flash ESP boards without a vendor IDE, it ships esptool. Its Python implementation, cross-platform serial behavior, and explicit config-file search paths make it easy to package and script.

### タイムライン

- 2010s: Community-created esptool becomes the standard serial bootloader utility for ESP8266 and ESP32 development.
- 2016: Espressif-hosted documentation copyright period begins for the current docs site.
- 2020s: Espressif maintains esptool as the official multi-chip flashing, provisioning, and interaction utility.

### Related projects

- espflash cites esptool.py as an influence; ESP-IDF build and monitor workflows commonly sit next to esptool in Espressif development setups.

### ソース

- <https://github.com/espressif/esptool>
- <https://docs.espressif.com/projects/esptool/en/latest/esp32/esptool/index.html>
- <https://docs.espressif.com/projects/esptool/en/latest/esp32/esptool/basic-commands.html>
- <https://docs.espressif.com/projects/esptool/en/latest/esp32/esptool/configuration-file.html>


## セキュリティノート

broad file, network, media, or database tool signal.

- **Geiger リスク:** blue / 中
- broad file, network, media, or database tool signal


## Configuration and credential file locations

These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.


## Configuration files

- Linux: /home/<user>/.config/esptool/esptool.cfg
- macOS: /Users/<user>/.config/esptool/esptool.cfg
- Unix: ./esptool.cfg, ~/esptool.cfg, ./setup.cfg, ./tox.ini
- Windows: c:\Users\<user>\AppData\Local\esptool\esptool.cfg, c:\Users\<user>\esptool.cfg
## 他のパッケージマネージャ記録

- Debian apt - esptool - 4.7.0+dfsg-0.1: normalized package name match | Debian stable package indexes: esptool from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | create and flash firmware files to ESP8266 and ESP32 chips | https://github.com/espressif/esptool
- Nix - esptool: normalized package name match | nixpkgs package indexes: pkgs/by-name/es/esptool/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- Ubuntu apt - esptool - 4.7.0+dfsg-0.1: normalized package name match | Ubuntu 24.04 LTS package indexes: esptool from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | create and flash firmware files to ESP8266 and ESP32 chips | https://github.com/espressif/esptool
- apk - esptool - 4.8.1-r0: normalized package name match | Alpine Linux edge package indexes: esptool from https://dl-cdn.alpinelinux.org/alpine/edge/testing/x86_64/APKINDEX.tar.gz | ESP8266 and ESP32 serial bootloader utility | https://docs.espressif.com/projects/esptool
- apk - esptool-pyc - 4.8.1-r0: normalized package name match | Alpine Linux edge package indexes: esptool-pyc from https://dl-cdn.alpinelinux.org/alpine/edge/testing/x86_64/APKINDEX.tar.gz | Precompiled Python bytecode for esptool | https://docs.espressif.com/projects/esptool
- dnf - esptool - 5.3.1-2.fc45: normalized package name match | Fedora Rawhide package metadata: esptool from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | A utility to communicate with the ROM bootloader in Espressif ESP8266 & ESP32 | https://github.com/espressif/esptool
- pacman - esptool - 5.3.1-1: normalized package name match | Arch Linux sync databases: esptool from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | Espressif SoC serial bootloader utility | https://github.com/espressif/esptool
- MacPorts - esptool: normalized package name match | MacPorts ports tree: cross/esptool/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1


## Combined YAML source

View the package source record on GitHub. [combined/esptool.yml](https://github.com/mxcl/pkgdb/blob/main/combined/esptool.yml)


## ソース

- pkg.so package database
- Geiger risk classifier
- curated configuration and credential file locations
- curated package history
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph