Aria2 is a free and open source command line fast download manager application for Linux, MacOS and Windows. It comes with multi-connection download, segmented downloading, gzip, deflate content encoding and custom HTTP header support, you can use as BitTorrent client, download manager, remote control, run as a daemon, chunk checksum validation, parameterized URI, proxy support and many more. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink protocols.
How to Install Aria2 on Ubuntu
You can install Aria2 using below command in the terminal application. Open the terminal app (ctrl+alt+t) and run the following command.
sudo apt install aria2
How to Download File Using Aria2
In the terminal run below command. Just replace the url with your download file link like example.
aria2c "url"
Example:
aria2c "https://cdimage.ubuntu.com/releases/lunar/release/ubuntu-23.04-desktop-legacy-amd64.iso"
You can also download files using a remote BitTorrent file like below
aria2c --follow-torrent=mem "https://releases.ubuntu.com/23.04/ubuntu-23.04-desktop-amd64.iso.torrent"
Not only remote, it also supports local torrent file download.
aria2c --max-upload-limit=1K ubuntu-23.04-desktop-amd64.iso.torrent
For the complete usage details run below command.
man aria2c