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I have already tried trickle and wondershaper.

I need a program that can limit the speed of download/upload of an already running program. Similar to the how NetLimiter in Windows limits already running processes.

I am using Linux.

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You might want to try pyshaper to download, and an install tutorial here.

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Thank you but it did not work. It did not specify a process but instead only an network interface or ports. – CYREX Jun 2 '11 at 14:00
I don't run linux, but it seems to be that "pid of locally connected program" is one of the criteria you can use to select a program... – soandos Jun 2 '11 at 14:02
It show that option in the webpage but it does not appear implemented. – CYREX Jun 2 '11 at 14:03
the man page also shows a way to do it... what does running the suggested command do (example shown here) – soandos Jun 2 '11 at 14:05
Does not do anything. I already tried the way the man page said. It loads the service and then i load the program. If i change anything it does not work. The option of pid like i said is not implemented. – CYREX Jun 2 '11 at 14:10

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