lsyncd ☆

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Description:
Synchronize local directories with remote targets

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Devops

Tags: sync rsync inotify daemon file-system

Install: brew install lsyncd

About:
Lsyncd is a lightweight daemon that watches local filesystem directories for changes and synchronizes them to remote targets in near real-time. It leverages the inotify Linux kernel subsystem to detect events and uses rsync to efficiently transfer modified files. This provides a fast, low-overhead alternative to traditional cron-based synchronization methods.

Key Features:

Real-time synchronization using inotify
Efficient transfers leveraging rsync
Highly configurable sync modes and filters
Low resource consumption as a daemon

Use Cases:

Mirroring local development environments to remote servers
Deploying code changes instantly for testing
Maintaining synchronized backups of critical directories

Alternatives:

rsync – rsync performs one-off transfers, whereas Lsyncd provides continuous, real-time monitoring and syncing.
unison – Unison is a bidirectional file synchronizer, while Lsyncd is primarily unidirectional (local to remote).

Version History

Detected	Version	Rev	Change	Commit
Sep 15, 2025 10:33pm		0	VERSION_BUMP	0fd79c54
Sep 14, 2024 3:25pm		0	VERSION_BUMP	db588732