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

lcdproc 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:lcdproc
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install lcdproc
```

  証拠: local Homebrew formula metadata

### Linux

- apk (92%):

```sh
sudo apk add lcdproc
```

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

- Debian apt (92%):

```sh
sudo apt install lcdproc
```

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

- dnf (92%):

```sh
sudo dnf install lcdproc
```

  証拠: Fedora Rawhide package metadata: lcdproc from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/210a2053c8e007daf9ae39c2a21daaed9b2ddd07d63ecffa597050361e73650c-primary.xml.zst

- Nix (92%):

```sh
nix profile install nixpkgs#lcdproc
```

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

- pacman (92%):

```sh
sudo pacman -S lcdproc
```

  証拠: Arch Linux sync databases: lcdproc 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:lcdproc
- **パッケージマネージャ:** Homebrew
- **パッケージマネージャページ:** <https://formulae.brew.sh/formula/lcdproc>
- **バージョン:** 0.5.9
- **ソース概要:** Display real-time system information on a LCD
- **ホームページ:** <https://www.lcdproc.org/>
- **リポジトリ:** <https://github.com/lcdproc/lcdproc>
- **上流ドキュメント:** <https://www.lcdproc.org/>
- **ライセンス:** GPL-2.0-or-later
- **ソースアーカイブ:** <https://github.com/lcdproc/lcdproc/releases/download/v0.5.9/lcdproc-0.5.9.tar.gz>
- **生成日時:** 2026-08-04T22:13:35+00:00

## 実行可能ファイル

- LCDd (cli)
- fortune.pl (cli)
- iosock.pl (cli)
- lcdexec (cli)
- lcdident.pl (cli)
- lcdmetar.pl (cli)
- lcdproc (cli)
- lcdvc (cli)
- tail.pl (cli)
- x11amp.pl (cli)
- LCDd (エイリアス)
- fortune.pl (エイリアス)
- iosock.pl (エイリアス)
- lcdexec (エイリアス)
- lcdident.pl (エイリアス)
- lcdmetar.pl (エイリアス)
- lcdproc (エイリアス)
- lcdvc (エイリアス)
- tail.pl (エイリアス)
- x11amp.pl (エイリアス)

## 依存関係

- libftdi
- libusb
- libusb-compat

## ビルド依存関係

- pkgconf

## macOS 提供ライブラリ

- ncurses

## インストール挙動

- post-install フック: 未定義
- Bottle: 利用可能 対象 arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, big_sur, catalina, monterey, sonoma, ventura, x86_64_linux

## バージョンと鮮度

- ページ生成日: 2026-08-04
- マネージャ版: 0.5.9
- ローカルデータ: OK
- 上流リポジトリ: https://github.com/lcdproc/lcdproc
- 情報: No package-manager update timestamp was available.
- 情報: No cached GitHub release or tag data was available.
## プロジェクトの歴史と使われ方

LCDproc is a client/server suite for driving character LCDs, VFDs, and related small displays from Unix-like systems. The daemon `LCDd` talks to display hardware, while clients such as `lcdproc` send system status and application data over a TCP protocol.

### プロジェクトの歴史

The project README says LCDproc was originally written by William Ferrell and Selene Scriven. The credits file describes Ferrell as the project founder and author of the first versions, and Scriven as the main programmer for versions 0.2 through 0.4-pre9, turning the original small single-system utility into the recognizable LCDproc form.

LCDproc's early site history page was active by 2002, and its changelog shows the long 0.5 series adding and maintaining drivers for HD44780-style displays, serial devices, USB devices, graphical displays, Raspberry Pi and other embedded connections, curses and X11 output, and remote-control input.

### 採用の歴史

LCDproc spread through Linux and BSD hobbyist, server, HTPC, and embedded installations where small front-panel displays were useful for CPU load, uptime, network state, media-center status, or appliance feedback. Its README emphasizes that the client and server communicate over TCP, so the machine producing data and the machine connected to the display do not need to be the same host.

Package-manager adoption across Homebrew, Debian, Ubuntu, Fedora, Arch, Nix, and Alpine reflects its status as old-school system hardware glue: not glamorous, but reusable enough that distributions keep shipping both the daemon and example clients.

### 使われ方

Typical deployments configure `LCDd.conf` for the display driver and connection type, run the `LCDd` daemon, then start clients such as `lcdproc`, `lcdexec`, or custom scripts that send screens and widgets to the daemon.

### パッケージ好きにとっての重要性

LCDproc matters to package nerds because it is a classic hardware-support package: a daemon, many optional drivers, sample config files, init/service integration, and decades of compatibility work for devices that may only exist on one appliance or front panel.

It also shows why packaging hardware tools is messy: the same package can be a server daemon, a set of client utilities, Perl examples, config templates, and driver support for serial, parallel, USB, GPIO, I2C, framebuffer, curses, and X11 targets.

### タイムライン

- 1998: README copyright range begins with the first LCDproc era.
- 2002-10-14: Official site history page recorded LCDproc website development by project developers.
- 2016: README described a migration from SourceForge to GitHub.
- 2017-05-27: v0.5.8 release tag published on GitHub.
- 2019-02-10: v0.5.9 release tag published on GitHub.

### Related projects

- Related hardware and software include Matrix Orbital and Crystalfontz displays, HD44780-compatible controllers, LIRC/IR input, curses, X11 display output, Raspberry Pi GPIO and I2C display adapters, and monitoring clients that feed status text to `LCDd`.

### ソース

- <https://api.github.com/repos/lcdproc/lcdproc/tags?per_page=100>
- <https://github.com/lcdproc/lcdproc>
- <https://raw.githubusercontent.com/lcdproc/lcdproc/master/CREDITS.md>
- <https://raw.githubusercontent.com/lcdproc/lcdproc/master/ChangeLog.md>
- <https://raw.githubusercontent.com/lcdproc/lcdproc/master/README.md>
- <https://www.lcdproc.org/>
- <https://www.lcdproc.org/history.php3>


## 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


## 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

- Unix: /etc/lcdproc/LCDd.conf, /etc/lcdproc/lcdproc.conf
## ソースデータベース詳細

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** lcdproc
- **Version Scheme:** 0
- **Revision:** 2
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable

## 他のパッケージマネージャ記録

- Debian apt - lcdproc - 0.5.9-7+b3: normalized package name match | Debian stable package indexes: lcdproc from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | LCD display driver daemon and clients | http://www.lcdproc.org/
- Debian apt - lcdproc-extra-drivers - 0.5.9-7+b3: normalized package name match | Debian stable package indexes: lcdproc-extra-drivers from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | extra drivers for the LCD display driver daemon | http://www.lcdproc.org/
- Nix - lcdproc: normalized package name match | nixpkgs package indexes: pkgs/by-name/lc/lcdproc/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- Ubuntu apt - lcdproc - 0.5.9-7build2: normalized package name match | Ubuntu 24.04 LTS package indexes: lcdproc from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | LCD display driver daemon and clients | http://www.lcdproc.org/
- Ubuntu apt - lcdproc-extra-drivers - 0.5.9-7build2: normalized package name match | Ubuntu 24.04 LTS package indexes: lcdproc-extra-drivers from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | extra drivers for the LCD display driver daemon | http://www.lcdproc.org/
- apk - lcdproc - 0.5.9-r6: normalized package name match | Alpine Linux edge package indexes: lcdproc from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | Multi-platform LCD display driver | https://www.lcdproc.org/
- apk - lcdproc-doc - 0.5.9-r6: normalized package name match | Alpine Linux edge package indexes: lcdproc-doc from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | Multi-platform LCD display driver (documentation) | https://www.lcdproc.org/
- apk - lcdproc-openrc - 0.5.9-r6: normalized package name match | Alpine Linux edge package indexes: lcdproc-openrc from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | Multi-platform LCD display driver (OpenRC init scripts) | https://www.lcdproc.org/
- dnf - lcdproc - 0.5.9-28.20210209git5c21e8c.fc45: normalized package name match | Fedora Rawhide package metadata: lcdproc from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/210a2053c8e007daf9ae39c2a21daaed9b2ddd07d63ecffa597050361e73650c-primary.xml.zst | Display real-time system information on a 20x4 back-lit LCD | http://lcdproc.org
- pacman - lcdproc - 0.5.9-11: normalized package name match | Arch Linux sync databases: lcdproc from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | Utility to drive one or more LCD (and LCD-like) devices | http://lcdproc.omnipotent.net/


## 関連リンク

- [Terminal utility packages](https://pkg.so/ja/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Networking and protocol packages](https://pkg.so/ja/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [Homebrew utility packages](https://pkg.so/ja/brew-utility-packages/) - Matched Homebrew package provider.
- [Secret-risk packages](https://pkg.so/ja/secret-risk-packages/) - Matched curated package taxonomy and local package facts.
- [libusb-compat](https://pkg.so/ja/brew/libusb-compat/) - Runtime dependency declared by Homebrew.
- [libftdi](https://pkg.so/ja/brew/libftdi/) - Runtime dependency declared by Homebrew.
- [pkgconf](https://pkg.so/ja/brew/pkgconf/) - Build dependency declared by Homebrew.
- [screenresolution](https://pkg.so/ja/brew/screenresolution/) - Shares pkgdb curated category or tags: cli, display, system.
- [nvtop](https://pkg.so/ja/brew/nvtop/) - Shares pkgdb curated category or tags: cli, hardware, monitoring, system.
- [brightness](https://pkg.so/ja/brew/brightness/) - Shares pkgdb curated category or tags: cli, display, system.
- [bpytop](https://pkg.so/ja/brew/bpytop/) - Shares pkgdb curated category or tags: cli, monitoring, system, system-monitoring.
- [collectd](https://pkg.so/ja/brew/collectd/) - Shares pkgdb curated category or tags: cli, daemon, monitoring, system.
- [atop](https://pkg.so/ja/brew/atop/) - Shares pkgdb curated category or tags: cli, monitoring, system, system-monitoring.
- [redshift](https://pkg.so/ja/brew/redshift/) - Shares pkgdb curated category or tags: cli, display, system.
- [dwatch](https://pkg.so/ja/brew/dwatch/) - Shares pkgdb curated category or tags: cli, daemon, monitoring, system.
- [digitemp](https://pkg.so/ja/brew/digitemp/) - Local package facts share a topical domain. Shared terms: cli, compat, hardware, libusb, libusb-compat.
- [bpftop](https://pkg.so/ja/brew/bpftop/) - Local package facts share a topical domain. Shared terms: cli, compat, monitoring, real, real-time.

## Combined YAML source

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


## ソース

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