aria2下载工具

联合创作 · 2023-09-30 00:44

Aria2 是一个多平台轻量级,支持 HTTP、FTP、BitTorrent 等多协议、多来源的命令行下载工具。Aria2 可以从多个来源、多个协议下载资源,最大的程度上利用了你的带宽。Aria2 有着非常小的资源占用,在关闭磁盘缓存的情况下,物理内存占用通常为 4M(正常 HTTP/FTP 下载的情况下),BitTorrent 下载每秒2.8M/S的情况下,CPU 占有率约为 6%。Aria2 支持 JSON-RPC 和 XML-RPC 接口远程调用。

很多人在 Windows 可能用过 Internet Download Manager,是很好用的多线程下载工具。Aria2 跟 IDM 类似,不仅可以多线程下载,还可以通过多来源进行下载,简单的说就是从多个镜像服务器同时下载一个文件,Aria2 还支持 BT 协议,弥补了 IDM 只支持 HTTP 和 FTP 的痛点。

Linux下的软件截图:

Windows 下的软件截图

特性:

  • Command-line interface
  • Download files through HTTP(S)/FTP/SFTP/BitTorrent
  • Segmented downloading
  • Metalink version 4 (RFC 5854) support(HTTP/FTP/SFTP/BitTorrent)
  • Metalink version 3.0 support(HTTP/FTP/SFTP/BitTorrent)
  • Metalink/HTTP (RFC 6249) support
  • HTTP/1.1 implementation
  • HTTP Proxy support
  • HTTP BASIC authentication support
  • HTTP Proxy authentication support
  • Well-known environment variables for proxy: http_proxyhttps_proxyftp_proxyall_proxy and no_proxy
  • HTTP gzip, deflate content encoding support
  • Verify peer using given trusted CA certificate in HTTPS
  • Client certificate authentication in HTTPS
  • Chunked transfer encoding support
  • Load Cookies from file using the Firefox3 format, Chromium/Google Chrome and the Mozilla/Firefox (1.x/2.x)/Netscape format.
  • Save Cookies in the Mozilla/Firefox (1.x/2.x)/Netscape format.
  • Custom HTTP Header support
  • Persistent Connections support
  • FTP/SFTP through HTTP Proxy
  • Download/Upload speed throttling
  • BitTorrent extensions: Fast extension, DHT, PEX, MSE/PSE, Multi-Tracker, UDP tracker
  • BitTorrent WEB-Seeding. aria2 requests chunks more than piece size to reduce the request overhead. It also supports pipelined requests with piece size.
  • BitTorrent Local Peer Discovery
  • Rename/change the directory structure of BitTorrent downloads completely
  • JSON-RPC (over HTTP and WebSocket)/XML-RPC interface
  • Run as a daemon process
  • Selective download in multi-file torrent/Metalink
  • Chunk checksum validation in Metalink
  • Can disable segmented downloading in Metalink
  • Netrc support
  • Configuration file support
  • Download URIs found in a text file or stdin and the destination directory and output file name can be specified optionally
  • Parameterized URI support
  • IPv6 support with Happy Eyeballs
  • Disk cache to reduce disk activity
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