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

libmemcached 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:libmemcached
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install libmemcached
```

  証拠: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install libmemcached
```

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

### Linux

- apk (92%):

```sh
sudo apk add libmemcached
```

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

- Nix (92%):

```sh
nix profile install nixpkgs#libmemcached
```

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

- zypper (92%):

```sh
sudo zypper install libmemcached
```

  証拠: openSUSE Tumbleweed package metadata: libmemcached from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst

- Debian apt (92%):

```sh
sudo apt install libhashkit-dev
```

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

- dnf (92%):

```sh
sudo dnf install libmemcached-awesome-tools
```

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

- pacman (92%):

```sh
sudo pacman -S libmemcached-awesome
```

  証拠: Arch Linux sync databases: libmemcached-awesome 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:libmemcached
- **パッケージマネージャ:** Homebrew
- **バージョン:** 1.0.18
- **ソース概要:** C and C++ client library to the memcached server
- **ホームページ:** <https://libmemcached.org/>
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- memcapable (エイリアス)
- memcat (エイリアス)
- memcp (エイリアス)
- memdump (エイリアス)
- memerror (エイリアス)
- memexist (エイリアス)
- memflush (エイリアス)
- memparse (エイリアス)
- memping (エイリアス)
- memrm (エイリアス)
- memslap (エイリアス)
- memstat (エイリアス)
- memtouch (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: 1.0.18
## プロジェクトの歴史と使われ方

libMemcached is a C and C++ client library and tool suite for the memcached server. It gives C-family applications and shell users a full-featured client for the memcached protocol, including utilities such as memcat, memcp, memstat, memslap, and memcapable.

### プロジェクトの歴史

The libMemcached project says it was created by Brian Aker and designed from the start for high-performance memcached use, with attention to network and memory behavior and many tunable client options.

The project was historically hosted in Bazaar on Launchpad, where the libmemcached code page lists the development focus branch and many active branches. The package later developed an ecosystem split: the original libmemcached.org/Launchpad project remained the reference named by this package, while libmemcached-awesome appeared as a maintained resurrection of Brian Aker's original work.

### 採用の歴史

The official project page says libMemcached was adopted by web properties including Yahoo, Twitter, Baidu, and Mixi.jp, and also used outside the web in custom caching services for industries such as oil exploration and medical research.

Since the memcapable tool appeared in 2009, the project has been used as a memcached protocol capability checker and certification reference. Distribution packaging reflects the split maintenance story: some systems package libmemcached, while others package libmemcached-awesome or related libhashkit development packages.

### 使われ方

Developers link libMemcached into C or C++ services that talk to memcached. Operators use the included command-line tools for cache inspection, copying, deletion, flushing, statistics, load testing, and protocol conformance checks.

The package belongs next to memcached itself: memcached is the in-memory key-value server, while libMemcached is one client library and command suite for applications and scripts that need to speak to that server.

### パッケージ好きにとっての重要性

libMemcached matters to package people because it is both a library and a pile of sharp little admin tools. The tools expose real memcached protocol behavior, while the library underpins older C/C++ software that predates newer language-specific clients.

It is also a packaging history lesson: when an upstream becomes quiet, downstream distributions and forks such as libmemcached-awesome keep ABI expectations, build systems, and security fixes alive.

### タイムライン

- 2009: memcapable is introduced and becomes the project's protocol capability checker.
- 2011: Launchpad branch history shows active 1.0-era development, including binary protocol and operational fixes.
- 2021: Launchpad branch activity records Brian Aker commits around the 1.0 and 1.2 series.
- 2023: libmemcached-awesome 1.1.4 is released as a maintained resurrection of the original work.

### Related projects

- memcached is the server this client library targets.
- libhashkit is a related hashing library that appears in downstream package relationships.
- libmemcached-awesome is the active fork/resurrection used by several distributions.

### ソース

- <https://awesomized.github.io/libmemcached/>
- <https://code.launchpad.net/libmemcached>
- <https://formulae.brew.sh/formula/libmemcached>
- <https://github.com/awesomized/libmemcached>
- <https://libmemcached.org/About.html>
- <https://memcached.org/>


## セキュリティノート

library-like package without higher-risk signals.

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

## 他のパッケージマネージャ記録

- Debian apt - libhashkit-dev - 1.1.4-1.1+b2: normalized package name match | Debian stable package indexes: libhashkit-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | libmemcached hashing functions and algorithms (development files) | https://awesomized.github.io/libmemcached/
- Debian apt - libhashkit2t64 - 1.1.4-1.1+b2: normalized package name match | Debian stable package indexes: libhashkit2t64 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | libmemcached hashing functions and algorithms | https://awesomized.github.io/libmemcached/
- Debian apt - libmemcached-dev - 1.1.4-1.1+b2: normalized package name match | Debian stable package indexes: libmemcached-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | C and C++ client library to the memcached server (development files) | https://awesomized.github.io/libmemcached/
- Debian apt - libmemcached-tools - 1.1.4-1.1+b2: normalized package name match | Debian stable package indexes: libmemcached-tools from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Commandline tools for talking to memcached via libmemcached | https://awesomized.github.io/libmemcached/
- Debian apt - libmemcached11t64 - 1.1.4-1.1+b2: normalized package name match | Debian stable package indexes: libmemcached11t64 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | C and C++ client library to the memcached server | https://awesomized.github.io/libmemcached/
- Debian apt - libmemcachedutil2t64 - 1.1.4-1.1+b2: normalized package name match | Debian stable package indexes: libmemcachedutil2t64 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | library implementing connection pooling for libmemcached | https://awesomized.github.io/libmemcached/
- Nix - libmemcached: normalized package name match | nixpkgs package indexes: pkgs/by-name/li/libmemcached/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- Ubuntu apt - libhashkit-dev - 1.1.4-1.1build3: normalized package name match | Ubuntu 24.04 LTS package indexes: libhashkit-dev from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz | libmemcached hashing functions and algorithms (development files) | https://awesomized.github.io/libmemcached/
- Ubuntu apt - libhashkit2t64 - 1.1.4-1.1build3: normalized package name match | Ubuntu 24.04 LTS package indexes: libhashkit2t64 from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz | libmemcached hashing functions and algorithms | https://awesomized.github.io/libmemcached/
- Ubuntu apt - libmemcached-dev - 1.1.4-1.1build3: normalized package name match | Ubuntu 24.04 LTS package indexes: libmemcached-dev from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz | C and C++ client library to the memcached server (development files) | https://awesomized.github.io/libmemcached/
- Ubuntu apt - libmemcached-tools - 1.1.4-1.1build3: normalized package name match | Ubuntu 24.04 LTS package indexes: libmemcached-tools from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz | Commandline tools for talking to memcached via libmemcached | https://awesomized.github.io/libmemcached/
- Ubuntu apt - libmemcached11t64 - 1.1.4-1.1build3: normalized package name match | Ubuntu 24.04 LTS package indexes: libmemcached11t64 from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz | C and C++ client library to the memcached server | https://awesomized.github.io/libmemcached/
- Ubuntu apt - libmemcachedutil2t64 - 1.1.4-1.1build3: normalized package name match | Ubuntu 24.04 LTS package indexes: libmemcachedutil2t64 from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz | library implementing connection pooling for libmemcached | https://awesomized.github.io/libmemcached/
- apk - libmemcached - 1.1.4-r1: normalized package name match | Alpine Linux edge package indexes: libmemcached from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | Client library and command line tools for memcached server (resurrected) | https://github.com/awesomized/libmemcached
- apk - libmemcached-dev - 1.1.4-r1: normalized package name match | Alpine Linux edge package indexes: libmemcached-dev from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | Client library and command line tools for memcached server (resurrected) (development files) | https://github.com/awesomized/libmemcached
- apk - libmemcached-libs - 1.1.4-r1: normalized package name match | Alpine Linux edge package indexes: libmemcached-libs from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | Client library and command line tools for memcached server (resurrected) (libraries) | https://github.com/awesomized/libmemcached


## Combined YAML source

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