安装

yum install aria2 

BT下载使用

aria2c -S 009.torrent 列出种子内容

 ⚡ root@ninesun  /home/vagrant aria2c -S CentOS-7-x86_64-Everything-2009.torrent
>>> Printing the contents of file 'CentOS-7-x86_64-Everything-2009.torrent'...
*** BitTorrent File Information ***
Comment: CentOS 7 x86_64 Everything ISO
Creation Date: Fri, 06 Nov 2020 14:44:47 GMT
Created By: mktorrent 1.0
Mode: multi
Announce:http://torrent.centos.org:6969/announcehttp://ipv6.torrent.centos.org:6969/announce
Info Hash: b3065849759c7a678f4967bffcae82ac2ed4552f
Piece Length: 512KiB
The Number of Pieces: 19457
Total Length: 9.5GiB (10,200,551,479)
Name: CentOS-7-x86_64-Everything-2009
Magnet URI: magnet:?xt=urn:btih:B3065849759C7A678F4967BFFCAE82AC2ED4552F&dn=CentOS-7-x86_64-Everything-2009&tr=http%3A%2F%2Ftorrent.centos.org%3A6969%2Fannounce&tr=http%3A%2F%2Fipv6.torrent.centos.org%3A6969%2Fannounce
Files:
idx|path/length
===+===========================================================================1|./CentOS-7-x86_64-Everything-2009/0_README.txt|2.4KiB (2,495)
---+---------------------------------------------------------------------------2|./CentOS-7-x86_64-Everything-2009/CentOS-7-x86_64-Everything-2009.iso|9.5GiB (10,200,547,328)
---+---------------------------------------------------------------------------3|./CentOS-7-x86_64-Everything-2009/sha256sum.txt|398B (398)
---+---------------------------------------------------------------------------4|./CentOS-7-x86_64-Everything-2009/sha256sum.txt.asc|1.2KiB (1,258)
---+---------------------------------------------------------------------------

aria2c xxx.torrnet

限速下载

单个文件最大下载速度：

aria2c --max-download-limit=300K -s10 -x10 'http://xx.com/xx'

整体下载最大速度：

aria2c --max-overall-download-limit=300k -s10 -x10 'http://xx.com/xx'

多线程下载功能

使用aria2的分段和多线程下载功能可以加快文件的下载速度，对于下载大文件时特别有用。-x 分段下载，-s 多线程下载，如：

aria2c -s 2 -x 2 http://xx.com/xx

这将使用2个连接和2个线程来下载该文件。