Re: [Beowulf] small distro for PXE boot, autostarts sshd?

2009-02-27 Thread Tim Cutts
On 26 Feb 2009, at 11:00 pm, David Mathog wrote: There are a million distros, and many small distros, but these seem to be optimized for desktop use. Surely there are a few out there that can do the following: 1. pxe boot (easily) 2. autostart sshd, allowing root ssh login (there is no

Re: [Beowulf] small distro for PXE boot, autostarts sshd?

2009-02-27 Thread Carsten Aulbert
Hi Tim Cutts schrieb: If you're already using Debian or Ubuntu, you can just 'aptitude install fai' to get the whole thing up and running. Some customisation is required of course, particularly in your DHCP configuration. Yes, FAI would also be my first choice here, otherwise you could

Re: [Beowulf] small distro for PXE boot, autostarts sshd?

2009-02-27 Thread stephen mulcahy
David Mathog wrote: There are a million distros, and many small distros, but these seem to be optimized for desktop use. Surely there are a few out there that can do the following: 1. pxe boot (easily) 2. autostart sshd, allowing root ssh login (there is no keyboard on the remote machine).

Re: [Beowulf] small distro for PXE boot, autostarts sshd?

2009-02-27 Thread Bogdan Costescu
On Fri, 27 Feb 2009, Tru Huynh wrote: I am using kickstart + CentOS-5 + %pre feature to download the required dropbear daemon + partprobe (parted/fdisk/sfdisk are included) + your nettee for a post kickstart cloning of a gold image. I haven't seen kickstart being used this way so far...

Re: [Beowulf] small distro for PXE boot, autostarts sshd?

2009-02-27 Thread Tim Cutts
On 27 Feb 2009, at 10:17 am, stephen mulcahy wrote: David Mathog wrote: There are a million distros, and many small distros, but these seem to be optimized for desktop use. Surely there are a few out there that can do the following: 1. pxe boot (easily) 2. autostart sshd, allowing root

Re: [Beowulf] small distro for PXE boot, autostarts sshd?

2009-02-27 Thread Robert G. Brown
On Thu, 26 Feb 2009, David Mathog wrote: There are a million distros, and many small distros, but these seem to be optimized for desktop use. Surely there are a few out there that can do the following: 1. pxe boot (easily) 2. autostart sshd, allowing root ssh login (there is no keyboard on

Re: [Beowulf] small distro for PXE boot, autostarts sshd?

2009-02-27 Thread Henning Fehrmann
Hi David, we stole parts of the FAI schema but we use our own live chroot environment which is NFS exported. We created a minimal system using debootstrap - I think there is an equivalent in CentOS. We installed everything inside the image which is needed. Either one writes an init script or

[Beowulf] RE:small distro for PXE boot, autostarts sshd?

2009-02-27 Thread Greg Keller
Have you ever considered Perceus (Caos has it baked in) from infiscale? It's the simplest answer I've found to this question and scales very well. You can use your favorite distro and tools and it puts it wraps up the minimum required pieces to load the machine with a ram based root that

Re: [Beowulf] RE:small distro for PXE boot, autostarts sshd?

2009-02-27 Thread Mikhail Kuzminsky
In message from Greg Keller g...@keller.net (Fri, 27 Feb 2009 10:20:50 -0600): Have you ever considered Perceus (Caos has it baked in) from infiscale? ... http://www.infiscale.com/ It looks that there is only one way to understand a bit more detailed what Perceus does - to download it :-)

Re: [Beowulf] RE:small distro for PXE boot, autostarts sshd?

2009-02-27 Thread Jeff Layton
Mikhail Kuzminsky wrote: In message from Greg Keller g...@keller.net (Fri, 27 Feb 2009 10:20:50 -0600): Have you ever considered Perceus (Caos has it baked in) from infiscale? ... http://www.infiscale.com/ It looks that there is only one way to understand a bit more detailed what Perceus

Re: [Beowulf] RE:small distro for PXE boot, autostarts sshd?

2009-02-27 Thread Greg Keller
Perceus is pretty distro independent, but does favor RPM based distros. I haven't played with SuSE much but if you're interested consider doing a test deployment of perceus using Caos so it's already integrated and simple. If you like the methods/functionality of Perceus then proceed to

[Beowulf] user stats on clusters

2009-02-27 Thread Gerry Creager
A general question: What're folks using for stats, including queue wait, execution times, hours/month? Any suggestions? gerry -- Gerry Creager -- gerry.crea...@tamu.edu Texas Mesonet -- AATLT, Texas AM University Cell: 979.229.5301 Office: 979.458.4020 FAX: 979.862.3983 Office: 1700 Research

Re: [Beowulf] user stats on clusters

2009-02-27 Thread Huw Lynes
On Fri, 2009-02-27 at 15:41 -0600, Gerry Creager wrote: A general question: What're folks using for stats, including queue wait, execution times, hours/month? Any suggestions? We have PBSPro as our queue manager. It ships with a tool that will dump reports of all the stats you just mentioned.

Re: [Beowulf] user stats on clusters

2009-02-27 Thread Mark Hahn
A general question: What're folks using for stats, including queue wait, execution times, hours/month? Any suggestions? we run ~20 clusters, some large, and collect all the stats to a single db, with a custom web interface, etc. users and PI's can see tables and graphs of usage. we don't by

[Beowulf] RE:small distro for PXE boot, autostarts sshd?

2009-02-27 Thread David Mathog
Thanks for all the feedback. I will look at the tools you suggested when I have more time. FYI, here is a bit more info on PLD rescue and boel4. In the end I managed to coerce the latter into doing what I wanted, but not the former. For PLD there is some funny issue in 2.96 and 2.97 where

Re: [Beowulf] small distro for PXE boot, autostarts sshd?

2009-02-27 Thread Marian Marinov
On Friday 27 February 2009 01:00:22 David Mathog wrote: There are a million distros, and many small distros, but these seem to be optimized for desktop use. Surely there are a few out there that can do the following: 1. pxe boot (easily) 2. autostart sshd, allowing root ssh login (there

Re: [Beowulf] small distro for PXE boot, autostarts sshd?

2009-02-27 Thread Tru Huynh
On Fri, Feb 27, 2009 at 11:28:30AM +0100, Bogdan Costescu wrote: On Fri, 27 Feb 2009, Tru Huynh wrote: I am using kickstart + CentOS-5 + %pre feature to download the required dropbear daemon + partprobe (parted/fdisk/sfdisk are included) + your nettee for a post kickstart cloning of a

Re: [Beowulf] RE:small distro for PXE boot, autostarts sshd?

2009-02-27 Thread David N. Lombard
On Fri, Feb 27, 2009 at 03:35:02PM -0700, David Mathog wrote: The only remaining complication, and it is a minor one, is that since the remote system has a new set of keys each time it boots, on the client one must delete the previous key or it won't connect because it thinks it sees a man

Re: [Beowulf] RE:small distro for PXE boot, autostarts sshd?

2009-02-27 Thread Mark Hahn
The only remaining complication, and it is a minor one, is that since the remote system has a new set of keys each time it boots, on the client one must delete the previous key or it won't connect because it thinks it sees a man in the middle attack. -ostricthostkeychecking=no or simply use