# Install lego Let's Encrypt client and ACME library. Version 5.2.2 via Homebrew; verified 2026-06-02. ## Install ```sh sudo av install brew:lego ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install lego ``` Evidence: local Homebrew formula metadata - MacPorts (94%): ```sh sudo port install lego ``` Evidence: MacPorts ports tree: security/lego/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 ### Linux - apk (92%): ```sh sudo apk add lego ``` Evidence: Alpine Linux edge package indexes: lego from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz - Debian apt (92%): ```sh sudo apt install lego ``` Evidence: Debian stable package indexes: lego from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz - Nix (92%): ```sh nix profile install nixpkgs#lego ``` Evidence: nixpkgs package indexes: pkgs/by-name/le/lego/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 - pacman (92%): ```sh sudo pacman -S lego ``` Evidence: Arch Linux sync databases: lego from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz - zypper (92%): ```sh sudo zypper install lego ``` Evidence: openSUSE Tumbleweed package metadata: lego from https://download.opensuse.org/tumbleweed/repo/oss/repodata/155b97171d05e27afd950b6fe0d55513ff38f4597110664535bceedc680bbe6fd459f0733718dcc21dcf0efc7c8250fd1390c73d4790b42e62fb2c16a87242e5-primary.xml.zst ### Windows - Scoop (92%): ```sh scoop install main/lego ``` Evidence: Scoop official bucket manifest trees: bucket/lego.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1 - winget (92%): ```sh winget install --id GoACME.lego -e ``` Evidence: Windows Package Manager source index: GoACME.lego from https://cdn.winget.microsoft.com/cache/source.msix ## Package Facts - **Package key:** brew:lego - **Package manager:** Homebrew - **Package manager URL:** - **Version:** 5.2.2 - **Source summary:** Let's Encrypt client and ACME library - **Homepage:** - **Repository:** - **Upstream docs:** - **License:** MIT - **Source archive:** - **Last updated:** 2026-06-02T16:51:52Z - **Generated:** 2026-06-10T07:18:26+00:00 ## Executables - lego (cli) - lego (alias) ## Build Dependencies - go ## Install Behavior - Post-install hook: not defined - Bottle: available on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux ## Freshness - Page generated: 2026-06-10 - Package-manager version: 5.2.2 - Package-manager updated: 2026-06-02 - Local data status: ok - Upstream repository: https://github.com/go-acme/lego - Upstream latest detected: v5.2.2 (current) ## 安全说明 no executable entrypoint in the package index. - **Geiger risk:** green / low - no executable entrypoint in the package index ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** lego - **Version Scheme:** 0 - **Revision:** 0 - **Head Version:** HEAD - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** head, stable ## Other Package-Manager Records - Debian apt - lego - 4.9.1-2: normalized package name match | Debian stable package indexes: lego from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Let's Encrypt client | https://github.com/go-acme/lego - Nix - lego: normalized package name match | nixpkgs package indexes: pkgs/by-name/le/lego/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1 - Ubuntu apt - lego - 4.9.1-2: normalized package name match | Ubuntu 24.04 LTS package indexes: lego from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Let's Encrypt client | https://github.com/go-acme/lego - apk - lego - 4.35.2-r1: normalized package name match | Alpine Linux edge package indexes: lego from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | Let's Encrypt client and ACME library written in Go | https://github.com/go-acme/lego - apk - lego-doc - 4.35.2-r1: normalized package name match | Alpine Linux edge package indexes: lego-doc from https://dl-cdn.alpinelinux.org/alpine/edge/community/x86_64/APKINDEX.tar.gz | Let's Encrypt client and ACME library written in Go (documentation) | https://github.com/go-acme/lego - pacman - lego - 5.1.0-1: normalized package name match | Arch Linux sync databases: lego from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | Lets Encrypt client and ACME library | https://go-acme.github.io/lego - zypper - lego - 4.35.2-1.1: normalized package name match | openSUSE Tumbleweed package metadata: lego from https://download.opensuse.org/tumbleweed/repo/oss/repodata/155b97171d05e27afd950b6fe0d55513ff38f4597110664535bceedc680bbe6fd459f0733718dcc21dcf0efc7c8250fd1390c73d4790b42e62fb2c16a87242e5-primary.xml.zst | Let's Encrypt/ACME client and library written in Go | https://github.com/go-acme/lego - MacPorts - lego: normalized package name match | MacPorts ports tree: security/lego/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 - Scoop - main/lego: normalized package name match | Scoop official bucket manifest trees: bucket/lego.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1 - winget - GoACME.lego: normalized package name match | Windows Package Manager source index: GoACME.lego from https://cdn.winget.microsoft.com/cache/source.msix ## Related Links - [Source-control packages](https://www.automicvault.com/zh-hans/pkg/source-control-tools/) - Belongs to a source-control command family. - [Terminal utility packages](https://www.automicvault.com/zh-hans/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata. - [Language runtime packages](https://www.automicvault.com/zh-hans/pkg/language-runtime-packages/) - Matched language runtime, compiler, or interpreter metadata. - [Networking and protocol packages](https://www.automicvault.com/zh-hans/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata. - [go](https://www.automicvault.com/zh-hans/pkg/brew/go/) - Build dependency declared by Homebrew. - [certbot](https://www.automicvault.com/zh-hans/pkg/brew/certbot/) - Shares av.db curated category or tags: acme, certificates, cli, letsencrypt, security. - [acme.sh](https://www.automicvault.com/zh-hans/pkg/brew/acme-sh/) - Shares av.db curated category or tags: acme, certificates, cli, letsencrypt, security. - [showcert](https://www.automicvault.com/zh-hans/pkg/brew/showcert/) - Shares av.db curated category or tags: certificates, cli, letsencrypt, security. - [mkcert](https://www.automicvault.com/zh-hans/pkg/brew/mkcert/) - Shares av.db curated category or tags: certificates, cli, security. - [certigo](https://www.automicvault.com/zh-hans/pkg/brew/certigo/) - Shares av.db curated category or tags: certificates, cli, security. - [crip](https://www.automicvault.com/zh-hans/pkg/brew/crip/) - Shares av.db curated category or tags: certificates, cli, security. - [minica](https://www.automicvault.com/zh-hans/pkg/brew/minica/) - Shares av.db curated category or tags: certificates, cli, security. - [gimmecert](https://www.automicvault.com/zh-hans/pkg/brew/gimmecert/) - Shares av.db curated category or tags: certificates, cli, security. - [dnsrobocert](https://www.automicvault.com/zh-hans/pkg/brew/dnsrobocert/) - Security-sensitive metadata or terminology overlaps. Shared terms: acme, certificates, cli, encrypt, let. ## Sources - Nucleus package database - Geiger risk classifier - package-page enrichment - package version freshness - av.db category and tag curation - package relationship graph - external package-manager database matches - cross-ecosystem install command graph