On 09/05/2012 08:51 PM, trahern culver wrote:

hey all firstly when i go to add my self to the real time group with these commands

groupadd realtime

usermod -a -G realtime sound-warrior

i get these errors from terminal

sound-warrior@the-megga-machine:~$

sound-warrior@the-megga-machine:~$ groupadd realtime

groupadd: cannot lock /etc/group; try again later.

sound-warrior@the-megga-machine:~$ usermod -a -G realtime sound-warrior

usermod: group 'realtime' does not exist

sound-warrior@the-megga-machine:~$

does any one know what these errors mean and how to solve the problem?

Try adding a "sudo" in front of the commands:

sudo groupadd sound-warrior realtime

Look up the exact syntax for the groupadd command in "man groupadd"

Flo

secondly how do you set up and use memory allocation and memory locking for audio work?

Your help with this problem and question would be most welcome.

Kind regards trahern.
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