improve your arch linux pacman speed.

pacman using wget for download task. but wget is not for multiple thread download. if using “aria2″, the download speed can sharply increase.

firstly, install aria2 by:

$pacman -Sy

$pacman -S aria2

then, edit /etc/pacman.conf, add a line:

XferCommand = /usr/bin/aria2c -s 2 -m 2 -d / -o %o %u

ok, try pacman again, you can see big change for download speed.