See https://github.com/adjacentlink/emane-tutorial/issues/13.

Try the develop branch of emane-tutorial.

-- 
Steven Galgano
Adjacent Link LLC
www.adjacentlink.com

On 01/31/2018 08:10 AM, b...@robocomai.com wrote:
> 
>     As a result of running the demos on a Ubuntu 16.04 LTS, I am unable
>     to open further Linux terminals, either as root or non-root.
>     I think this may have something to do with the pseudo-terminal
>     implementation.
>     After running the demos (e.g. Demo 1), I need a complete reboot of
>     the Ubuntu OS (not just a user logoff) to restore original terminal
>     behavior.
>     The OS build is as follows:
>      
>     Linux nuc0015 4.4.0-112-generic #135-Ubuntu SMP Fri Jan 19 11:48:36
>     UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
>      
>      The error messages I receive are as follows when attempting to open
>     a Linux terminal:
>      
>      ptsname_r failed: Inappropriate ioctl for device - for root terminal
>      
>      getpt failed: permission denied - from non-root terminal
> 
> 
> 
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> 
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