On Wed, Aug 20, 2008 at 11:13 PM, David Joyner <[EMAIL PROTECTED]> wrote: > On Wed, Aug 20, 2008 at 8:18 PM, hypermonkey2 <[EMAIL PROTECTED]> wrote: >> >> Hi again! >> >> I recently tried installing sage on a usb flash drive (2gig) to be >> able to run sage on an Eee pc. However i run into trouble with the >> file permissions. >> Throughout the unpacking of the sage.tar.gz, there is trouble changing >> ownership to uid 1000. >> In a nutshell, i do not have ownership of my usb drive. how can i fix >> this? > > There is a way to fix this I think. Pasted below are some notes I > wrote to myself over the summer > when I tried something like this, which may or may not help. >
Correction: I said I wrote the notes to myself. Now i can't remember doing this, so probably most was copied from somewhere or an email from someone. > > > Description of installing Kubuntu Hardy on an external > SD card in an Asus EEE PC. > > The main problem encountered is that the SD card > is known as (hd2,0) /dev/sdc when booting from > an external USB stick, and as (hd1,0) /dev/sdb > when booting from HDD or SD card. > > Equipment: > - Asus EEE PC Model 701 > - 8GB removable SD Card installed > - 2GB USB stick > > Procedure: > > Followed instructions in > > http://ubuntu-eee.tuxfamily.org/index.php5?title=Install:_from_a_Live_Ubuntu_image_on_a_USB_stick > > to make a bootable USB stick and to install Kubuntu on > the SD card. > > Notes: > - during initial screen when eee is booting, press > Esc to get a menu to allow you to select boot > device. Select the USB stick, of course, > but note that the SD card also shows up as > a USB device, so select the correct one. > - used manual partioning during installation > to select the 8GB SD card, which shows up > at that time as /dev/sdc. I partioned it > into 3 parts: > - 4000 Kbytes ext2 / > - 500 Kbytes swap > - rem ext2 /files > > Install was pretty uneventful, though a bit slower than > expected. Perhaps took 1 hr or so. > > Symptom at end: > =============== > > - could only boot off external USB stick > > - if try to boot off internal hdd, would get > grub error 21 (missing file, apparently). > > - if try to boot off 8GB SD card, would get > only blank screen > > Besides the device renaming problem noted above, I > think the MBR on the SD card was also pooched. > > At the end, I now have a system that will dual > boot the original Asus distributed linux or > Kubuntu hardy on the removable SD card. It will boot > from either the internal hdd or the removable SD card. > On each, I get a grub boot menu, with the installation > on that device being the default, but with the > ability to select the linux on the other device. > > Here is what I eventually ending up doing: > ========================================== > > 1. boot from USB stick. At this stage > /dev/sda = internal hdd > /dev/sdc = removable SD > > 2. open a console window > > 3. Copy and fix grub menu entries from removable SD to > internal hdd: > > cd > mkdir sda1 > mkdir sdc1 > sudo mount /dev/sda1 sda1 > sudo mount /dev/sdc1 sdc1 > > sudo vi sda1/boot/grub/menu.lst # internal hdd > - comment out 'hiddenmenu' (if you want) > - set timeout to 10 (or so) > - copy menu entries from > ~/sdc1/boot/grub/menu.lst (on the removable SD) > to the end and change all occurrences of > (hd2,0) to (hd1,0) > > sudo vi sda1/boot/grub/device.map # internal hdd > - it should read to be correct when you are NOT > booting from USB stick: > (hd0) /dev/sda > (hd1) /dev/sdb > > sudo vi sdc1/boot/grub/menu.lst # removable SD > - comment out 'hiddenmenu' (if you want) > - set timeout to 10 (or so) > - copy original menu entries from > ~/sda1/boot/grub/menu.lst (on the internal hdd) > to the end. > - change all occurrences in the original part of > (hd2,0) to (hd1,0) > > sudo vi sdc1/boot/grub/device.map # removable SD > - it should read to be correct when you are NOT > booting from USB stick: > (hd0) /dev/sda > (hd1) /dev/sdb > > # the above 4 edits allow you to boot off either > # device and still get a boot menu to select > # which install. Probably overkill, but its > # what I ended up with after a lot of trial and error. > > sudo grub-install --root-directory=sda1 /dev/sda > sudo grub-install --root-directory=sdc1 /dev/sdc > > 3. To fix the MBR on the removable SD, WHILE STILL BOOTED FROM USB STICK: > > su > grub > root (hd2,0) > setup (hd2) > exit (or quit?) > > Now it should work. > > > > >> >> Thanks a bunch! >> cheers >> >> >> > --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
