Anubhav, By the way, Linux is Linux, is Linux. Angstrom is in round about way even based on Debian. Through Open Zaurus . . .Anyway, you're going to find it more, and more difficult moving on with Angstrom I think . . .
On Mon, Dec 15, 2014 at 12:20 AM, Anubhav Goel <anubh...@resonant-sys.com> wrote: > > Sorry about not putting more details :) , here they are : > > On Mon, Dec 15, 2014 at 12:45 PM, <meino.cra...@gmx.de> wrote: >> >> Hi Anubhav, >> >> one thing I did not know about your system is: Are you using >> an SDcard to boot from or do you boot from the internal flash >> memory? >> > I boot from internal flash. > >> >> "Critical files" are more than only those under /boot. >> Delete /sbin/init and your system will hang shortly after >> the kernel is running... ;) >> >> I dont know of the exact mechanism Windows is accessing the >> partitions via USB... >> > Its the mini USB , that loads up the fat partition "Getting started with > beagle...." , this is the place where I want to have my own bunch of files, > and not the files placed by default (mlo/uenv etc). > > >> >> After plugging in the BBB via USB to a Windows PC...do you access >> the files in question via WEB interface (browser) or "low level" >> via Windows explorer (NOT Internet Explorer or such alike) ... >> that is...there must be "something" on you PC which enables >> Windows to read ext4fs formatted partitions... >> >> If it is a WEB interface you use...I am out of bussiness here, >> since I am by no means a WEB-stuff guru... :) >> But I /think/ (read: Dont know for sure) that must be file >> which configures the running webserver on the BBB to export >> parts of the filesystem to the calling browser on the Windows >> PC. This file is, what you want to edit.. >> > I dont require web interface > >> >> Good luck! >> Best >> Meino >> >> >> >> >> >> Anubhav Goel <anubh...@resonant-sys.com> [14-12-15 08:04]: >> > Hi ! >> > >> > On Mon, Dec 15, 2014 at 12:27 PM, <meino.cra...@gmx.de> wrote: >> > > >> > > Hi Anubhav, >> > > >> > > do not move uEnv.txt, the U-Boot image and the kernel images >> > > around. Due to the limited technical possibilities of the very early >> > > boot stages, these files are exspected to be at certain physical >> > > place on the flash memory. >> > > >> > > Instead edit /etc/fstab and remove the mount command of /boot. >> > > Do a backup first. >> > > >> > m fstab shows: >> > rootfs / auto defaults >> > 1 1 >> > proc /proc proc defaults >> > 0 0 >> > devpts /dev/pts devpts mode=0620,gid=5 >> > 0 0 >> > tmpfs /tmp tmpfs defaults >> > 0 0 >> > >> > It doesnt have the mount command of boot. >> > Even if I were able to stop the boot, would that mean disabling access >> to >> > the partition on windows desktop? I do require the parition to appear >> on >> > desktop when connected, but I dont want the user to access these >> critical >> > files. >> > >> > >> > > >> > > Best regards, >> > > Meino >> > > >> > > >> > > >> > > Anubhav Goel <anubh...@resonant-sys.com> [14-12-15 07:52]: >> > > > Hi William, >> > > > >> > > > Thanks for your quick response. >> > > > >> > > > I cannot really move to the debian, as it has taken me a lot of >> effort >> > > :) , >> > > > to understand my way around angstrom.. it will be very steep curve >> for me >> > > > as of now. >> > > > >> > > > I was thinking, is there no way to create a new vfat partition on >> bbb, >> > > and >> > > > expose that on the thumbdrive, and let this default one just remain >> > > > unmounted ? >> > > > >> > > > I will readup on the read-only part. >> > > > >> > > > Can you point me to some info on how/when does this partition get >> loaded >> > > ? >> > > > do we have some sort of hook that can be utilized ? >> > > > >> > > > Can I not place the mlo/ig& env files at a place where its picked >> by >> > > bbb , >> > > > but not exposed over thumbdrive ? >> > > > >> > > > Regards >> > > > Anubhav >> > > > >> > > > On Mon, Dec 15, 2014 at 11:57 AM, William Hermans < >> yyrk...@gmail.com> >> > > wrote: >> > > > > >> > > > > *My users may accidentally delete the mlo/uboot/uenv files, if >> > > presented >> > > > >> over their desktop.* >> > > > >> >> > > > > >> > > > > There are a few ways to deal with this*. *Just do not mount the >> boot >> > > > > loader partition. Would probably be the easiest for you. If you >> want >> > > to do >> > > > > what I would consider "the right way", then put a modern Debian >> build >> > > from >> > > > > Robert on it, and that whole partition will not exist, and the >> > > bootloader >> > > > > files will be in a hole in the first 1M of the block device. >> > > > > >> > > > > Aside from that, I do not think FAT/FAT32 partitions can be used >> with >> > > > > Linux permissions. However, you may be able to make the partition >> read >> > > > > only. Not sure on this, but if you're teaching students about he >> > > hardware / >> > > > > software. This may be preferable. >> > > > > >> > > > > Personally, I think "hiding" the files in the first 1M of disk >> space is >> > > > > the best way. Heck I've been using Linux for years, and I honestly >> > > have no >> > > > > idea how to reverse / mess that up. Eventually I'll have to read >> up on >> > > it >> > > > > myself, as it's pretty neat . . . >> > > > > >> > > > > On Sun, Dec 14, 2014 at 10:58 PM, Anubhav Goel < >> > > anubh...@resonant-sys.com> >> > > > > wrote: >> > > > >> >> > > > >> Hi Kenny, >> > > > >> >> > > > >> I have the same requirement, were you able to get any workaround >> to >> > > this ? >> > > > >> >> > > > >> I looked into bbb to find any default locations , like >> /boot/uEnv.txt >> > > .. >> > > > >> but it doesnt work , if I delete the file from media , but the >> > > > >> /boot/uenv.txt file is not picked up. >> > > > >> I was unable to find any other place to store the mlo & img files >> > > either. >> > > > >> >> > > > >> My users may accidentally delete the mlo/uboot/uenv files, if >> > > presented >> > > > >> over their desktop. >> > > > >> >> > > > >> Regards, >> > > > >> Anubhav >> > > > >> >> > > > >> On Wednesday, 24 July 2013 14:23:10 UTC+5:30, khw...@gmail.com >> wrote: >> > > > >>> >> > > > >>> Hi all, >> > > > >>> >> > > > >>> I am building a few prototype with Beaglebone Black. I want to >> let >> > > the >> > > > >>> user to plug into the mini-USB port from a PC and copy a output >> file >> > > I >> > > > >>> stored in /media/BEAGLEBONE. However, I don't want user to see >> all >> > > the >> > > > >>> documentation and tutorial of the BBB. It seems like BBB will >> copy >> > > all >> > > > >>> these files during reboot. >> > > > >>> >> > > > >>> I wonder if I can configure it without copying these files >> during >> > > > >>> reboot? or I can configure a different directory to show up >> while >> > > user plug >> > > > >>> in the mini-USB cable? I can control where the output file go >> in my >> > > > >>> program. Many thanks for any guidance. >> > > > >>> >> > > > >>> Kenny Lau >> > > > >>> >> > > > >> -- >> > > > >> For more options, visit http://beagleboard.org/discuss >> > > > >> --- >> > > > >> You received this message because you are subscribed to the >> Google >> > > Groups >> > > > >> "BeagleBoard" group. >> > > > >> To unsubscribe from this group and stop receiving emails from it, >> > > send an >> > > > >> email to beagleboard+unsubscr...@googlegroups.com. >> > > > >> For more options, visit https://groups.google.com/d/optout. >> > > > >> >> > > > > -- >> > > > > For more options, visit http://beagleboard.org/discuss >> > > > > --- >> > > > > You received this message because you are subscribed to a topic >> in the >> > > > > Google Groups "BeagleBoard" group. >> > > > > To unsubscribe from this topic, visit >> > > > > >> https://groups.google.com/d/topic/beagleboard/lqPrGitRgCk/unsubscribe. >> > > > > To unsubscribe from this group and all its topics, send an email >> to >> > > > > beagleboard+unsubscr...@googlegroups.com. >> > > > > For more options, visit https://groups.google.com/d/optout. >> > > > > >> > > > >> > > > -- >> > > > For more options, visit http://beagleboard.org/discuss >> > > > --- >> > > > You received this message because you are subscribed to the Google >> > > Groups "BeagleBoard" group. >> > > > To unsubscribe from this group and stop receiving emails from it, >> send >> > > an email to beagleboard+unsubscr...@googlegroups.com. >> > > > For more options, visit https://groups.google.com/d/optout. >> > > >> > > -- >> > > For more options, visit http://beagleboard.org/discuss >> > > --- >> > > You received this message because you are subscribed to a topic in the >> > > Google Groups "BeagleBoard" group. >> > > To unsubscribe from this topic, visit >> > > https://groups.google.com/d/topic/beagleboard/lqPrGitRgCk/unsubscribe >> . >> > > To unsubscribe from this group and all its topics, send an email to >> > > beagleboard+unsubscr...@googlegroups.com. >> > > For more options, visit https://groups.google.com/d/optout. >> > > >> > >> > -- >> > For more options, visit http://beagleboard.org/discuss >> > --- >> > You received this message because you are subscribed to the Google >> Groups "BeagleBoard" group. >> > To unsubscribe from this group and stop receiving emails from it, send >> an email to beagleboard+unsubscr...@googlegroups.com. >> > For more options, visit https://groups.google.com/d/optout. >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to a topic in the >> Google Groups "BeagleBoard" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/beagleboard/lqPrGitRgCk/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> beagleboard+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. >> > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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