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brew

Install hesiod with Homebrew, apt

Library for the simple string lookup service built on top of DNS. Version 3.2.1 via Homebrew; verified from local package data.

install

Additional install commands

macOS

Homebrewverified · 100%
brew install hesiod

local Homebrew formula metadata

Linux

Debian aptverified · 92%
sudo apt install hesiod

Debian stable package indexes · hesiod · source: deb.debian.org

overview

Package summary

Library for the simple string lookup service built on top of DNS

Commands and aliases

  • hesinfo

history

Project history and usage

Hesiod is a DNS-based name service from MIT Project Athena, packaged today as a small C library and `hesinfo`-style lookup tooling. Its historical importance is much larger than the modern package size: it represents an early Unix campus-computing approach to distributing user, group, mail, printer, service, and locker metadata through DNS.

Project history

MIT's Athena Technical Plan lists the Hesiod Name Service section as July 22, 1987, by Steven P. Dyer and Felix S. Hsu. RFC 1035's bibliography references an April 1987 Project Athena Hesiod name-service document and notes that it describes the fundamentals of the Hesiod name service.

The MIT Athena description explains Hesiod as a simple string lookup service on top of DNS: a client combines a name and type into a DNS name such as `name.type.ns.athena.mit.edu`, queries TXT records, and receives one or more result strings.

The maintained GitHub package identifies itself as release 3.2.1 of the Hesiod name service library, says Hesiod can provide general name service for many applications, and notes its basis in the Berkeley Internet Name Daemon. The repository was created on March 28, 2013, preserving the library in a conventional autotools-style source tree.

Adoption history

Hesiod's first adoption context was Project Athena, MIT's distributed workstation environment. MIT's own Athena overview says Athena used Hesiod for user account information, locker information, post office box information, workstation cluster information, and printer information.

The DNS protocol itself records Hesiod's historical footprint: IANA's DNS parameters registry assigns DNS class 4 to Hesiod (HS), citing the Project Athena name-service work. The modern library later moved its wire protocol toward class IN for deployability, but the HS class remains part of DNS history.

In package-manager terms, Hesiod survived as a niche but instructive Unix networking library. It appears in Homebrew, Debian, and Ubuntu not because most sites deploy it broadly, but because old Athena-style environments, compatibility code, and network-service historians still need a maintained implementation.

How it is used

The README documents client configuration through `hesiod.conf`, with `rhs` and `lhs` values that build the DNS lookup suffix. It notes `/usr/local/etc/hesiod.conf` as the default sysconfdir path in that build configuration and explains that `HES_DOMAIN` can override the right-hand side at run time.

Administrators publish Hesiod data by making name servers authoritative for a domain such as `ns.your.domain` and adding TXT and CNAME records for data types like groups, service locations, and IDs. Clients then use the library or utilities to translate `(name, type)` pairs into strings.

The library's NEWS file documents evolution from imake to Autoconf, reentrant interfaces, a context-based `hesiod_*` API, shared-library installation, Debian packaging, automake, pkg-config metadata, and relicensing MIT material under the 2-clause BSD license.

Why package nerds care

Hesiod is package-nerd catnip because it is a tiny package with a deep systems lineage. It shows how DNS was once stretched into campus directory service, before LDAP, NSS modules, cloud identity providers, and configuration-management systems took over many of the same roles.

It also demonstrates a recurring packaging theme: old infrastructure survives when a clean library, man pages, and distribution packaging keep it buildable. The Homebrew package is therefore less about trendy usage and more about preserving a historically important network abstraction in a form modern Unix systems can compile.

Timeline

  • 1987-04: RFC 1035 bibliography references Dyer and Hsu's Project Athena Hesiod name-service document.
  • 1987-07-22: MIT Athena Technical Plan lists the Hesiod Name Service section by Steven P. Dyer and Felix S. Hsu.
  • 1987-11: RFC 1035 assigned DNS class HS value 4 for Hesiod.
  • 2013-03-28: `achernya/hesiod` repository creation date recorded by GitHub.
  • 2018: Hesiod 3.2.1 NEWS documented pkg-config support and 2-clause BSD relicensing work.

Related projects

  • Project Athena siblings include Kerberos for authentication, Zephyr for notification, Moira/SMS for service management, and Athena locker/file-service infrastructure.
  • DNS and BIND are the underlying transport and server infrastructure. LDAP, NIS, and NSS occupy related directory and name-service territory in Unix environments.

Sources

  • GitHub README and NEWS for maintained library behavior, configuration, and release evolution.
  • MIT Athena Technical Plan and Athena overview for origin and production usage context.
  • RFC 1035 and IANA DNS parameters for protocol-level Hesiod class history.

security posture

Risk level: green

library-like package without higher-risk signals.

Risk classifier

green risk · low confidence · appliance

Why

  • library-like package without higher-risk signals

Signals

  • metadata:library-like

Install behavior

  • No Homebrew post-install hook is recorded in formula metadata.
  • Homebrew bottle metadata is available for 13 platform targets.
  • Installs with 1 runtime dependencies.
  • Build metadata lists 3 build dependencies.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

executables

Installed executables

CommandKindExposureNote
hesinfocliglobal executable

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-07-08
manager version3.2.1
manager updated
local dataok
upstreamcurrent
latest detectedhesiod-3.2.1

https://github.com/achernya/hesiod

  • infoNo package-manager update timestamp was available.low confidence

install metadata

Package metadata

Package keybrew:hesiod
Version3.2.1
Package managerHomebrew
Package manager pagehttps://formulae.brew.sh/formula/hesiod
Homepagehttps://github.com/achernya/hesiod
Repositoryhttps://github.com/achernya/hesiod
Upstream docshttps://github.com/achernya/hesiod#readme
LicenseBSD-2-Clause
Source archivehttps://github.com/achernya/hesiod/archive/refs/tags/hesiod-3.2.1.tar.gz
Dependencieslibidn
Build dependenciesautoconf, automake, libtool
Bottleavailable (on arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura, x86_64_linux)
Homebrew post-installnot defined
Servicenone declared

registry facts

Source database details

Source DatabaseHomebrew formula API
Taphomebrew/core
Full Namehesiod
Version Scheme0
Revision1
Bottle Stable Root URLhttps://ghcr.io/v2/homebrew/core
Deprecatedno
Disabledno
Keg Onlyno
URL Keys
  • stable

source database matches

Other package-manager records

Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.

Debian apt95%

hesiod 3.2.1-5

Project Athena's DNS-based directory service - utilities

sudo apt install hesiod
  • Section: utils
  • Architecture: amd64
  • 2 dependencies
  • normalized package name match
  • Matched by: Hesiod
Debian stable package indexes · deb.debian.org · Debian stable package indexes: hesiod from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Debian apt95%

libhesiod-dev 3.2.1-5

Project Athena's DNS-based directory service - development files

sudo apt install libhesiod-dev
  • Section: libdevel
  • Architecture: amd64
  • Source Package: hesiod
  • 1 dependencies
  • normalized package name match
  • Matched by: Hesiod
Debian stable package indexes · deb.debian.org · Debian stable package indexes: libhesiod-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Debian apt95%

libhesiod0 3.2.1-5

Project Athena's DNS-based directory service - libraries

sudo apt install libhesiod0
  • Section: libs
  • Architecture: amd64
  • Source Package: hesiod
  • 5 dependencies
  • normalized package name match
  • Matched by: Hesiod
Debian stable package indexes · deb.debian.org · Debian stable package indexes: libhesiod0 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Ubuntu apt95%

hesiod 3.2.1-4build1

Project Athena's DNS-based directory service - utilities

sudo apt install hesiod
  • Section: universe/utils
  • Architecture: amd64
  • 2 dependencies
  • normalized package name match
  • Matched by: Hesiod
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: hesiod from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
Ubuntu apt95%

libhesiod-dev 3.2.1-4build1

Project Athena's DNS-based directory service - development files

sudo apt install libhesiod-dev
  • Section: universe/libdevel
  • Architecture: amd64
  • Source Package: hesiod
  • 1 dependencies
  • normalized package name match
  • Matched by: Hesiod
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: libhesiod-dev from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
Ubuntu apt95%

libhesiod0 3.2.1-4build1

Project Athena's DNS-based directory service - libraries

sudo apt install libhesiod0
  • Section: universe/libs
  • Architecture: amd64
  • Source Package: hesiod
  • 5 dependencies
  • normalized package name match
  • Matched by: Hesiod
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: libhesiod0 from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Used sources

  • Geiger risk classifier
  • Nucleus package database
  • av.db category and tag curation
  • cross-ecosystem install command graph
  • curated package history
  • external package-manager database matches
  • package relationship graph
  • package version freshness
  • package-page enrichment