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How to set up file sync on Linux

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Jul 06, 2023 pm 06:02 PM

linux settingsFile synchronizationFile sync settings

How to set up file synchronization on Linux

File synchronization is the process of keeping file contents consistent across different devices. In Linux systems, we can use various tools and technologies to achieve file synchronization. This article will introduce several commonly used file synchronization methods and provide corresponding code examples.

Rsync
Rsync is a commonly used file synchronization tool that can synchronize files between local and remote devices. It improves synchronization efficiency by checking file differences to decide what needs to be copied. To use Rsync for file synchronization on Linux, you need to install the rsync package first.

Install rsync:

sudo apt-get install rsync

Example of using rsync for file synchronization:

rsync -avz /path/to/source /path/to/destination

scp
scp is the abbreviation of Secure Copy and is a A tool for file transfer between local and remote devices via SSH protocol. It can be used for file synchronization, but also for file backup and remote file access. To use scp for file synchronization, the SSH service needs to be enabled on both the local and remote devices.

Example of file synchronization using scp:

scp -r /path/to/source username@remote:/path/to/destination

Unison
Unison is a two-way file synchronization tool that can synchronize files between local and remote devices changes. It uses an rsync-like algorithm to determine the differences of files and transfers the corresponding differences to complete the synchronization. To use Unison for file synchronization, you need to install the unison package first.

Install unison:

sudo apt-get install unison

Example of using Unison for file synchronization:

unison /path/to/source ssh://remote//path/to/destination

Syncthing
Syncthing is an open source distributed file Sync tool to synchronize files between multiple devices. It uses peer-to-peer (P2P) connections for synchronization, requiring no cloud storage or central server. To use Syncthing for file synchronization, you need to download and install Syncthing's binaries.

Example of using Syncthing for file synchronization:
First, install and start Syncthing on both the local and remote devices.

Then, visit http://localhost:8384 in the browser and open Syncthing’s web interface.

Add local device and remote device, and then set the sync folder in the web interface.

Connect the local device and the remote device through the folder ID and start file synchronization.

Summary:
This article introduces several methods to set up file synchronization on Linux, including rsync, scp, Unison and Syncthing. Choosing the appropriate file synchronization method depends on your specific needs and environment. Whether you want to synchronize local files to a remote device or synchronize files between multiple devices, you can choose the appropriate tool to complete the file synchronization task based on the above sample code. I hope this article helps you set up file synchronization on your Linux system.

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