http://etherboot.org/wiki/ 2026-05-05T15:23:02-07:00 http://etherboot.org/wiki/ http://etherboot.org/wiki/lib/tpl/monobook/images/favicon.ico text/html 2009-07-16T12:02:56-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/bkodebian?rev=1247770976&do=diff Booting Debian with BKO I will targetting live cd of debian debian-live-501-i386-gnome-desktop.iso. progress It is quite similar to ubuntu live CD, except that casper is called as live here. One important point is that, debian has support for HTTPFS inbuild. However I could not get my head around it. text/html 2009-09-25T19:37:25-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/bkodebianiscsi?rev=1253932645&do=diff Booting debian over iscsi Here I will be documenting my first attempt to boot linux over iscsi. Reason to choose debian * Chose debian because the squashfs of debian works fine and there are no other problems. * Also, all the kernel modules needed for iscsi initiator are inside initramfs so, less work for me. text/html 2009-07-08T02:42:08-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/bkostaticip?rev=1247046128&do=diff BKO and static networking issues Problem Though gpxe works fine with static networking information, problem is with linux destributions. I have modified all linux distributions to use udhcpc for getting networking configuration by using DHCP. So in current setup, the linux will boot, but it will never get networking configuration for static network and hence, it will never progress. text/html 2009-08-16T17:11:58-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/dnsissue?rev=1250467918&do=diff DNS entry problem Unfortunately IPAPPEND only adds ip=<client-ip>:<boot-server-ip>:<gw-ip>:<netmask> and DNS entry is not there. <http://syslinux.zytor.com/wiki/index.php/SYSLINUX#IPAPPEND_flag_val_.5BPXELINUX_only.5D> Solution - 1 : Using public DNS Currently, I have embedded public DNS ip's into initramfs. This solution is not versetile as not all places allow direct use of public text/html 2009-06-17T13:03:24-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/dslbko?rev=1245269004&do=diff Performance measurements for DSL * ran in qemu on my laptop with -cdrom dsl.iso option. It boots in average of 50 seconds. qemu -cdrom dsl.iso -net nic -net user BKO from local webserver (my laptop) * It took 1 min 10 seconds for qemu to get in working state text/html 2009-07-27T05:35:41-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/fedora11bko?rev=1248698141&do=diff Booting Fedora with BKO Where I am getting stuck Following are the messages which are showen before getting stuck Mounting proc filesystem Mounting sysfs filesystem Creating initial /dev Running plymouthd udev: starting version 141 and It hangs after this point. I have bad feeling that it is not even reaching the step where it will execute /init script text/html 2009-06-01T19:58:18-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/httpfsprobs?rev=1243911498&do=diff Problems faced in HTTPFS I am following the exaple given at <http://httpfs.sourceforge.net/> and code used is downloaded from <http://sourceforge.net/project/showfiles.php?group_id=171260> What I am trying to do is * mount the dsl.iso which is on webserver on directory called test (this works fine) * Check the content of directory. It should contain text/html 2009-06-19T06:53:01-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/initramfsbko?rev=1245419581&do=diff Problem faced in creating initramfs for knoppix. Approach - 1 (mount the minirt ) In this approach, minitrt is running out of space. $ gunzip minirt.gz $ mkdir mpoint $ sudo mount minirt mpoint -o loop $ df -h Filesystem Size Used Avail Use% Mounted on /dev/loop1 3.4M 2.9M 554K 85% /home/pravin/Etherboot/git/BKO.git/pxeknife/knoppix/5.0.1/mpoint $ sudo cp modules/* mpoint/modules/ $ df -h Filesystem Size Used Avail Use% Mounted on /dev/loop1 … text/html 2009-06-10T13:44:17-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/probsbkoromomatic?rev=1244666657&do=diff Integreting BKO with latest gpxe and rom-o-matic The latest gpxe code, and gpxe version used by rom-o-matic, both are creating trubble while booting. I am hosting them at <http://etherboot.org/share/pravin/BKO/rom-o-matic/> Following is the error thrown. $qemu -fda gpxe-git-rtl8139.dsk -net nic,model=rtl8139 -net user ... ... ... PXELINUX 3.80 2009-05004 Copyright(C) 1994-2009 H. Peter Anvin et al !PXE entry point found (we hope) at 9C79:039E via plan A. UNDI code segment at 9C79 len 0794 UN… text/html 2009-06-13T15:05:30-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/pxeknifedsl?rev=1244930730&do=diff Adding DSL to pxeKnife Initially, I will add just menu entry, kernel and initramfs. I plan to modify initramfs later to support http mounting. HTTP mounting This will involve following things. * Add FUSE module to initramfs. * Add httpfs to initramfs. text/html 2009-06-04T14:47:09-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/pxekniferomomatic?rev=1244152029&do=diff Pxeknife integretion with rom-o-matic Plan provide pxe images/rom/nic with gpxe script embedded. This script will connect to pxeknife server to get boot loader. Implementation Actual working implementation is described here In file rom-o-matic/build.php the image is compiled by following command text/html 2009-06-04T10:46:52-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/pxekniferomomatichttp?rev=1244137612&do=diff Pxeknife over HTTP (with customized gpxe) You can create Custom pxe images/rom for your network card, which can directly boot from PxeKnife using HTTP. You can use the site <http://www.alien.doesntexist.org/pxeknife/PHP/gpxe_generation/> which will allow you to generate custom ROM images which are having embedded scripts to boot from PXEKnife over HTTP. As this code is based on text/html 2009-06-27T09:06:51-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/romomaticbko?rev=1246118811&do=diff Adding embedded script support to rom-o-matic.net This support is extension of Configure option and is added with help of javascript. One extra checkbox is added for enabling embedded script support. On clicking this checkbox, text-area is provided to user for adding his script. text/html 2009-10-19T14:51:29-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/start?rev=1255989089&do=diff Pravin (less1): boot.kernel.org - Universal remote network booting for the masses Post GSoC * supporting ubuntu 9.10 * Getting official Debian support Happening Pages These are the pages and problems on which I am currently working * Debian over iscsi -- done :-) -- * Debian in BKO -- almost done, working on improvments text/html 2009-07-27T05:26:55-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/ubuntubko?rev=1248697615&do=diff Booting Ubuntu with BKO Locating from where does the nfsboot is getting called Mistory of do_nfsmount do_nfsmount is defined at two places, why? * /scripts/casper +198 * /scripts/nfs +8 My guess is that file /scripts/nfs is not used, it is just present there from older versions and has not been removed. text/html 2009-06-01T10:21:08-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/week1?rev=1243876868&do=diff Pravin Shinde: boot.kernel.org - Universal remote network booting for the masses Journal Week 1 May 22 * Get QEMU + PXE working. QemuPxe -- Done. * Get QEMU + PXE + HTTP working QemuPxe -- Done . * Get QEMU + PXEKnife working. QemuPxeKnife -- Done May 23 * Get QEMU + PXEKnife + HTTP working. text/html 2009-06-10T12:33:53-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/week2?rev=1244662433&do=diff Week 2 June - 1 * Checkout httpfs, may be it can be used to mount file-system from server <http://httpfs.sourceforge.net/> My understanding of HTTP boot with HTTPFS * Download the Linux kernel with fuse support ( or insert fuse module later ) * download initramfs with * text/html 2009-06-15T03:25:46-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/week3?rev=1245061546&do=diff Week 3 June - 9 * Getting up rom-o-matic with BKO support on etherboot. done [<http://etherboot.org/share/pravin/BKO/rom-o-matic/]> * Because of some wired reason, even original rom-o-matic code is not producing any output. -- solved, the bin/NIC target was not compiled in and error reporting was turned off. text/html 2009-06-25T08:36:38-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/week4?rev=1245944198&do=diff Broad plan for this week is. * Make the proper git setup. -- Done. * Modify the setup to directly use git repositories using symbilic links. -- done but only in my laptop, need to repeat it for alien and rom. * Add server Address parameter to initram. text/html 2009-06-27T08:57:28-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/week5?rev=1246118248&do=diff Week - 5 Week 5 is not going well for me :-( Nothing on project front but other fronts are taking lot of time. Plan for this week * I plan for following things for this week. * to get Ubuntu working in BKO * Add custom script support to rom-o-matic.net code text/html 2009-07-04T08:41:32-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/week6?rev=1246722092&do=diff week - 6 Targets decided for this week are * Add fedora live CD to BKO * Improve the user facing page of BKO * Improve the boot time menu 29 - 30 July * Started to work on Fedora live CD * Collected all basic stuff needed * Live CD text/html 2009-07-13T05:56:37-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/week7?rev=1247489797&do=diff Week 7 Plan for this week is, * Get the GSOC mid term review paperwork done. * Polish up the BKO site. * Fix the Red hat problem. 6 July * Worked around the BKO site to make it more presentable * modified and re-organized the BKO boot time menu. Here is the text/html 2009-07-20T06:57:31-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/week8?rev=1248098251&do=diff Week 8 * FAQ script integration * Troubleshooting script integration. * iscsiboot for fedora. * List of network drivers supported. * Get the list of network drivers supported by knoppix. * Improve the menu of syslinux with context help. text/html 2009-07-27T05:04:27-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/week9?rev=1248696267&do=diff week 9 Links to the currently open topics * Debian over iscsi * Debian over HTTP * ubuntu revisited * Fedora 11 in BKO 20 July * Someone from fedora mailing list suggested to use NFS instead of httpfs, and test if ext4-fs related errors do disappear or not. * I will try out that, I was also considering to try NFS with ubuntu and see if it works. text/html 2009-08-01T11:00:34-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/week10?rev=1249149634&do=diff Week 10 TO DO List * Complete the deployment script * Deploy it on BKO These are the pages and problems on which I am currently working * Debian over iscsi -- done :-) -- * ubuntu in BKO -- Finally it is working after removing networking and NetworkManager, only /etc/resolver.conf text/html 2009-08-07T07:25:18-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/week11?rev=1249655118&do=diff Week 11 3-6 Aug Because of some other issues faced in day to day life, I could not work much on BKO :( 7 Aug * DNS problem documentation. text/html 2009-08-16T03:40:30-07:00 http://etherboot.org/wiki/soc/2009/pravin/journal/week12?rev=1250419230&do=diff Week - 12 10-11 Aug * Worked on testing and fixing small bugs in debian over iscsi * Tests show that it works fine as long as the round trip delay is within some bounds, else it throws connection timeout errors * The performance comparison between httpfs and iscsi show that iscsi is 3x faster.