>>> On 3/24/2010 at 07:22 PM, in message <57153a00-be68-4cee-b867-4cea86925...@crackpot.org>, Alex Dean <a...@crackpot.org> wrote:
> On Mar 24, 2010, at 3:40 PM, Brad Nicholes wrote: > >> [Moved to the dev list] >> >>>>> On 3/22/2010 at 7:49 AM, in message >> <alpine.lrh.2.00.1003221347360.18...@beaker.phy.bris.ac.uk>, Winnie >> Lacesso >> <winnie.lace...@bristol.ac.uk> wrote: >> >>> Dear All, >>> >>> I'm new to ganglia, but it looks wonderful. >>> Platform is Scientific Linux 4 & 5. >>> Due to no firewall > 1024 it might be more prudent for ganglia to use >>> ports < 1024 - I'm nervous to have anything php-related listening on >>> unfirewalled network. Am trying to configure ganglia using ports 849, >>> 851 for xml & 852 for interactive. >>> Since gmetad & gmond run as user ganglia, I think this is the >>> problem - it >>> can't create ports < 1024? >>> Errors are >>> tcp_listen() on xml_port failed: Permission denied >>> >>> I can't seem to find any example where ganglia is used with ports < >>> 1024. >>> Impossible? >>> Pointers gratefully deferenced >>> >> >> The problem here is that the socket creation is happening after >> gmond has dropped root. Therefore unless the runas user has >> sufficient rights to create a port <1024 you will run into problems >> trying to use ports <1024. >> >> I know there was a lot of discussion several months ago about when >> to daemonize and when to setuid. Can somebody who is more familiar >> with the discussion respond with what the outcome was? Carlo, >> Daniel maybe?? >> >> Can we just move the calls to setup_listen_channels_pollset and >> Ganglia_udp_send_channels_create before the call to >> setid_if_necessary? It would still be happening after the call to >> daemonize_if_necessary. > > There's nothing written in PHP listening anywhere is there? No daemon > processes written in PHP. PHP is run as an Apache module, so it will > be on whatever port Apache is listening on and (presumably) will be > running as an unprivileged user. No, this is an issue with gmond only Brad ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Ganglia-developers mailing list Ganglia-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ganglia-developers
