# e2tools を Homebrew, apk, apt, dnf, Nix でインストール

e2tools 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:e2tools
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install e2tools
```

  証拠: local Homebrew formula metadata

### Linux

- apk (92%):

```sh
sudo apk add e2tools
```

  証拠: Alpine Linux edge package indexes: e2tools from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz

- Debian apt (92%):

```sh
sudo apt install e2tools
```

  証拠: Debian stable package indexes: e2tools from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

- dnf (92%):

```sh
sudo dnf install e2tools
```

  証拠: Fedora Rawhide package metadata: e2tools 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#e2tools
```

  証拠: nixpkgs package indexes: pkgs/by-name/e2/e2tools/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

## パッケージ情報

- **パッケージキー:** brew:e2tools
- **パッケージマネージャ:** Homebrew
- **バージョン:** 0.1.2
- **ソース概要:** Utilities to read, write, and manipulate files in ext2/3/4 filesystems
- **ホームページ:** <https://e2tools.github.io/>
- **リポジトリ:** <https://github.com/e2tools/e2tools>
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- e2cp (エイリアス)
- e2ln (エイリアス)
- e2ls (エイリアス)
- e2mkdir (エイリアス)
- e2mv (エイリアス)
- e2rm (エイリアス)
- e2tail (エイリアス)
- e2tools (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: 0.1.2
## プロジェクトの歴史と使われ方

e2tools is a small GPL command suite for reading, writing, and manipulating files inside ext2, ext3, and ext4 filesystem images without mounting them. It wraps libext2fs from e2fsprogs and exposes familiar file operations through commands such as `e2cp`, `e2ls`, `e2mkdir`, `e2rm`, `e2mv`, `e2ln`, and `e2tail`.

### プロジェクトの歴史

The ChangeLog shows active development by Keith W. Sheffield in the early 2000s, with core commands such as `e2ln`, `e2mv`, `e2rm`, and `e2tail` appearing through 2002 and build/documentation updates continuing into 2004.

The GitHub repository was created in 2015 for the current public hosting lineage, but the project itself predates that import. Its README keeps the original motivation clear: copy files into a Linux filesystem from a machine that does not have ext2 support, or manipulate disk images on Linux without mounting them or requiring root.

### 採用の歴史

e2tools occupies a smaller niche than e2fsprogs but has durable packaging value: the README points to Repology for distribution packages, and the input package facts list packages across Homebrew, Debian, Ubuntu, Fedora, Alpine, Nix, and other ecosystems.

The GitHub API showed 40 stars and 17 forks on 2026-06-30, matching a utility that is not fashionable but remains useful wherever build systems, embedded workflows, installers, or forensic tasks need direct edits to ext filesystem images.

### 使われ方

The command syntax treats an ext filesystem image or device plus a path as `filesystem:directory_path`. The README demonstrates making an image with `dd`, formatting it with `mkfs.ext2`, creating a directory with `e2mkdir`, listing with `e2ls`, copying with `e2cp`, and removing with `e2rm`.

Its key use case is avoiding a mount step. On non-Linux systems it can access ext filesystems where the OS lacks native support; on Linux it can manipulate images or floppies without loopback mounting or root access.

### パッケージ好きにとっての重要性

e2tools is package-nerd significant because it is a thin, practical companion to e2fsprogs: not a replacement for `fsck` or `mkfs`, but a file-level toolbox for ext images. That makes it attractive in reproducible image builds, cross-platform repair kits, and minimal automation scripts.

The README's alternatives section explains the tradeoff against kernel mounting and fuse2fs: e2tools uses the same e2fsprogs codebase, handles filesystem block sizes independently of kernel page size, and does not require mount privileges.

### タイムライン

- 2002-03-05: ChangeLog records early command work, including `e2ln` integration.
- 2002-04-10: ChangeLog records `e2rm` as a new feature.
- 2002-08-08: ChangeLog records `e2tail` as a new feature suggested by Ralf Spenneberg.
- 2004-04-06: ChangeLog records basic user documentation added to the README.
- 2015-09-08: Current public GitHub repository created.
- 2024-09-15: GitHub API showed the repository had a recent push in September 2024.

### Related projects

- e2tools is directly related to e2fsprogs because it requires e2fsprogs 1.27 or later and uses libext2fs for direct filesystem access.
- The README compares e2tools with the Linux kernel ext2 driver and fuse2fs, framing it as the no-mount, no-root option for file-level access to ext filesystem images.

### ソース

- <https://e2tools.github.io/>
- <https://github.com/e2tools/e2tools>
- <https://raw.githubusercontent.com/e2tools/e2tools/master/README.md>
- <https://raw.githubusercontent.com/e2tools/e2tools/master/ChangeLog>
- <https://api.github.com/repos/e2tools/e2tools>


## セキュリティノート

narrow executable package without higher-risk signals.

- **Geiger リスク:** グリーン / 低
- narrow executable package without higher-risk signals

## 他のパッケージマネージャ記録

- Debian apt - e2tools - 0.1.2-1: normalized package name match | Debian stable package indexes: e2tools from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | utilities for manipulating files in an ext2/ext3 filesystem | https://e2tools.github.io
- Nix - e2tools: normalized package name match | nixpkgs package indexes: pkgs/by-name/e2/e2tools/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- Ubuntu apt - e2tools - 0.1.0-3build2: normalized package name match | Ubuntu 24.04 LTS package indexes: e2tools from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | utilities for manipulating files in an ext2/ext3 filesystem | https://e2tools.github.io
- apk - e2tools - 0.1.2-r1: normalized package name match | Alpine Linux edge package indexes: e2tools from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | Utilities for manipulating files in an ext2/ext3 filesystem | https://e2tools.github.io/
- apk - e2tools-doc - 0.1.2-r1: normalized package name match | Alpine Linux edge package indexes: e2tools-doc from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | Utilities for manipulating files in an ext2/ext3 filesystem (documentation) | https://e2tools.github.io/
- dnf - e2tools - 0.1.0-16.fc45: normalized package name match | Fedora Rawhide package metadata: e2tools from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | Manipulate files in unmounted ext2/ext3 filesystems | https://e2tools.github.io/


## Combined YAML source

View the package source record on GitHub. [combined/e2tools.yml](https://github.com/mxcl/pkgdb/blob/main/combined/e2tools.yml)


## ソース

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