[Xenomai] Is that possible to use xenomai in multi user environment without root permission?

Cong Monkey congzhangzh at gmail.com
Fri Feb 24 16:24:20 CET 2017


tks, I got it:)

2017-02-23 3:08 GMT+08:00 Lowell Gilbert <kludge at be-well.ilk.org>:
>> 2017-02-22 3:00 GMT+08:00 Lowell Gilbert <kludge at be-well.ilk.org>:
>>> Cong Monkey <congzhangzh at gmail.com> writes:
>>>
>>>> I have a center server shared by multi user which is assigned sudo
>>>> permission for special cmd when needed.
>>>>
>>>> Is that possible to allow the user to run any self develop rt base
>>>> application(the user will not attack server by this way) without root
>>>> permission?
>>>
>>> Not really. Xenomai involves, among other things, making changes to the
>>> kernel. Your user will definitely want to run his real-time application
>>> on a system that isn't being used for anything else. The best way for
>>> him to do that will depend entirely on what his project is.
>>>
>>> He can *build* his Xenomai kernel and application without any special
>>> privileges, and might save a lot of time doing so if your server is very
>>> fast.
>
> Cong Monkey <congzhangzh at gmail.com> writes:
>
>> Is there some other way different than recompile the kernel, like add
>> user to special group or change some device's permission? it will
>> really be easy if simple way is possible and the user need do nothing!
>
> It might be possible to run the application in a virtual machine.
> Of course, it wouldn't get real-time behaviour.
>
> Linux is not a real-time operating system.



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