Running concurrent (parallel) downloads with lftp can significantly speed up your file transfers and save you time. In this article, we will guide you through the process of setting up and running concurrent downloads using lftp, a powerful command-line file transfer program.
Step 1: Install lftp
Before we can begin, make sure you have lftp installed on your system. If you're using a Linux distribution, you can usually install it using the package manager. For example, on Ubuntu, you can run the following command:
sudo apt-get install lftp
If you're using macOS, you can install lftp using Homebrew. Simply run the following command:
brew install lftp
Step 2: Connect to the FTP server
Once lftp is installed, open your terminal and enter the following command to connect to the FTP server:
lftp ftp.example.com
Replace "ftp.example.com" with the actual FTP server address you want to connect to. You may also need to provide your username and password to authenticate.
Step 3: Enable concurrent downloads
To enable concurrent downloads, use the following command:
set net:connection-limit 5
This command sets the maximum number of concurrent connections to 5. You can adjust this number based on your internet speed and the server's capabilities.
Step 4: Start the downloads
Now that concurrent downloads are enabled, you can start downloading files. Use the "get" command followed by the file name or path to initiate the download. For example:
get file1.txt
If you want to download multiple files concurrently, you can use the "queue" command to add them to the download queue. For example:
queue get file1.txt
queue get file2.txt
queue get file3.txt
Once you've added all the files to the queue, use the "start" command to begin the downloads:
start
Step 5: Monitor the progress
To monitor the progress of your downloads, you can use the "jobs" command. It will display the status of each download, including the file name, transfer rate, and progress percentage.
jobs
Conclusion
By following these steps, you can easily run concurrent (parallel) downloads with lftp. This can greatly improve the speed and efficiency of your file transfers, especially when dealing with large files or slow connections. Experiment with different connection limits to find the optimal setting for your specific situation.
| References |
|---|
| Official lftp website |
| Homebrew |