Goodbye FTP/SFTP, it's time to embrace the next-generation file transfer tool Croc

How to transfer files between two computers, there are actually many methods, such as FTP or SSH to transfer files, but these methods are a bit complicated, FTP needs to build FTP service, SSH needs to learn SCP commands, So is there a better way to transfer files peer-to-peer from one computer to another?

The transmission process needs to be fast and safe. This article will introduce a set of tools written in Go language called Croc. This tool has the following functions and advantages.

Tool Features and Benefits

• Use Relay to transfer files between any two computers
• Peer-to-peer encryption (using PAKE)
• Transfer files across platforms (Windows, Linux, Mac)
• Multiple files or entire directories can be transferred at once
• Supports resuming from a breakpoint
• No need to build your own server or use port-forwarding related technologies
• IPv6 is preferred, IPv4 is used as a backup
• Socks5 proxy can be used

Croc project address: https://github.com/schollz/croc

Install

Download the latest version for your system and install the latest version from the command line:

$ curl https://getcroc.schollz.com | bash

On macOS, you can install the latest version with Homebrew:

$ brew install croc

How to use

One sender and one receiver, as shown in the following figure:

sender

Receiving end

The sender only needs to execute croc send file.txt

As you can see above, a secret code will be automatically generated, and then the following instructions will be executed on another computer

Of course, you can also order the secret code yourself

croc send --code appleboy ~/Downloads/data.csv

Since this tool is transmitted through relay server, the command will be connected to the official server by default.

Suppose you want to deploy a Relay Server yourself? Very simple, this tool also allows users to quickly set up their own device Relay Server, just execute the following command:

A single Port can be specified:

Then, when sending the file, it should also be replaced. Relay Server

You can see that you only need to add --relay 127.0.0.1:3001 to complete, so deploying Relay Server is very simple. Even if the official service is down, you can install Relay Server on any computer.

experience

Croc tool emphasizes:  simple + safe + fast , three major advantages, making it easier for everyone to transfer files point-to-point, plus CLI tools can be downloaded on any platform (Windows, Mac, and Linux), only one command is needed. Install this tool to quickly transfer files with other users.