aria2 is a HTTP/FTP/BitTorrent download utility.
Install[edit | edit source]
To install in Ubuntu
$ sudo apt install aria2
Usage[edit | edit source]
To quickly download something with 4 threads:
$ aria2c -x 4 http://something.com/foo.zip
Chunk sizes can be defined with
$ aria2c -x 4 -k 1M http://something.com/foo.zip
Resume download started by other programs with
-c, only if the initial download was not multi-segmented.
$ aria2c -c -s2 http://something.com/foo.zip
Download speed can be throttled:
$ aria2c --max-download-limit=100K http://something.com/foo.zip
Other common options are:
||No SSL certificate validation|
WebUI[edit | edit source]
There is a web UI project for Aria2C using the built in RPC server at https://github.com/mayswind/AriaNg.
A packaged version inside Docker can be found on my repository at