The tftp RPM is listed in the rpmlist in oscarsamples/ and is thus installed in the client image. I don't think this is necessary so if I don't hear anybody complaining about it in oscar-devel, I will remove it.
Cheers, Bernard > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Paul Greidanus > Sent: Thursday, March 30, 2006 15:38 > To: stu a > Cc: [email protected] > Subject: Re: [Oscar-users] tftp > > I'm a little confused about the question. The clients run as a tftp > client as part of the boot sequence, it's how PXE works... > I'm not sure > if tftp is even installed on the linux image on the nodes. > > Pretty much any current computer will boot network, and > therefore could > be a tftp client. The server runs a tftp server on the > cluster side of > the network, and I believe that it is firewalled so the world > can't get > to it on the headnode itself. If the firewall is breached, there are > probably easier ways to break into the system then a > read-only TFTP server. > > Also, it is always a good idea to put a firewall up infront of any > systems that need protection, seperate from the cluster headnode. > > stu a wrote: > > > Dear all, > > > > I am going to move my cluster from behind my university > firewall and > > into the real world. > > However, I am having some concerns about security especially with > > regards to tftp. > > Does anyone know why tftp is installed on the clients and > what stops > > it being used for bot-net style etc. activities should the > head node's > > worldly firewall be breached? > > > > Additionally does anyone know if MPE exists for LAM/MPI, I > > particularly want the Fortran bindings. It > > appears that MPE comes with MPICH and can be compiled in programs > > using LAM/MPI's mpif77, in which case perhaps this could be > documented > > somewhere because it was a little puzzling?! > > > > Thanks in advance, > > > > Regards, > > > > Stuart Archibald. > > MEng 4 Dept. Civil Engineering, Imperial College London, UK. > > > > > > > > > > ------------------------------------------------------- > > This SF.Net email is sponsored by xPML, a groundbreaking scripting > > language > > that extends applications into web and mobile media. Attend > the live > > webcast > > and join the prime developer group breaking into this new coding > > territory! > > > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&; > dat=121642 > > _______________________________________________ > > Oscar-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/oscar-users > > > > -- > Paul Greidanus > CAD Administrator / Systems Administrator > Center of Excellence in Integrated Nanotools University of Alberta > [EMAIL PROTECTED] 780-492-7368 > http://www.cein.ualberta.ca > > > > ------------------------------------------------------- > This SF.Net email is sponsored by xPML, a groundbreaking > scripting language > that extends applications into web and mobile media. Attend > the live webcast > and join the prime developer group breaking into this new > coding territory! > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&; > dat=121642 > _______________________________________________ > Oscar-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/oscar-users > ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid0944&bid$1720&dat1642 _______________________________________________ Oscar-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/oscar-users
