rex ☆

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Description:
Command-line tool which executes commands on remote servers

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Devops

Tags: automation devops remote-execution sysadmin orchestration

Install: brew install rex

About:
Rex is a remote execution tool that brings the power of configuration management to the command line. It allows you to orchestrate commands and tasks across multiple servers simultaneously using a simple Perl-based syntax. This tool simplifies server administration by providing a unified interface for deployment, configuration, and maintenance tasks.

Key Features:

Agentless architecture requiring only SSH access
Perl-based DSL for writing automation tasks
Parallel execution across multiple servers
Built-in resource abstraction for common operations
Extensible with custom modules and recipes

Use Cases:

Automating deployment workflows across server fleets
Running system updates and security patches simultaneously
Collecting inventory data and system information from hosts
Orchestrating complex multi-server application configurations

Alternatives:

Ansible – More popular with YAML syntax but requires Python on targets
Fabric – Python-based, simpler but less feature-rich for complex orchestration
Chef – More complex agent-based architecture with steeper learning curve

Version History

Detected	Rev	Change	Commit
Dec 29, 2025 3:55pm	1	REVISION_ONLY	c9d967cd
Sep 15, 2025 12:57pm	0	VERSION_BUMP	40e3035e
Oct 22, 2024 11:23am	2	VERSION_BUMP	e59e41c2
Oct 22, 2024 4:18am	2	VERSION_BUMP	cc99d8f4
Sep 14, 2024 2:15am	1	VERSION_BUMP	1d90ca64
Nov 27, 2023 5:10am	1	VERSION_BUMP	2bf9553e
Sep 28, 2023 7:20am	0	VERSION_BUMP	213f026e