Hello Orion,

I actually rather like the new CentOS 7.2 system better and would like to
not remove firewalld. We will try Gilles' suggestion and see what happens.

I thank you.
--
Llolsten

-----Original Message-----
From: users [mailto:users-boun...@open-mpi.org] On Behalf Of Orion Poplawski
Sent: Tuesday, May 10, 2016 3:31 PM
To: Open MPI Users <us...@open-mpi.org>
Subject: Re: [OMPI users] mpirun command won't run unless the firewalld
daemon is disabled

On 05/10/2016 09:24 AM, Llolsten Kaonga wrote:
> Hello Durga,
> 
> As I mentioned earlier, up to version 1.8.2, we would just disable 
> SELinux and the IPv4 firewall and things run smoothly. It was only 
> when we installed version 1.10.2 (CentOS 7.2) that we run into these 
> troubles. CentOS 7.2 no longer seems to bother with the IPv4 firewall, so
you can't do:
> 
>  
> 
> # service iptables save
> 
> # service iptables stop
> 
> # chkconfig iptables off

I'll just note that you can either embrace the new firewalld config (and use
firewall-cmd to open your needed ports) or you can remove firewalld and
install iptables-services and go back to the old iptables method of
configuring the firewall.  If you don't want a firewall at all, just remove
firewalld.

--
Orion Poplawski
Technical Manager                     303-415-9701 x222
NWRA, Boulder/CoRA Office             FAX: 303-415-9702
3380 Mitchell Lane                       or...@nwra.com
Boulder, CO 80301                   http://www.nwra.com
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