Para outras aplicações sem a opção de controle automático de largura de banda, você pode usar gotas
Exemplo para APT com taxa de upload de 20 KB / se taxa de download de 50 KB / s (você precisa de sudo trickle):
sudo trickle -u 20 -d 50 aptitude dist-upgrade
Exemplo de wget com taxa de download de 30 KB / s:
trickle -d 30 wget http://...
Da página man do trickle:
trickle is a userspace bandwidth manager. Currently, trickle supports the shaping of any SOCK_STREAM (see socket(2)) connection established via the socket(2) interface. Furthermore, trickle will not work with statically linked executables, nor with setuid(2) executables. trickle is highly configurable; download and upload rates can be set separately, or in an aggregate fashion.