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Hey guys, I've got a question for you about "insert title here".

First of all, this is how my external hdd looks like right now:

(you may ignore the internal HDD windows 7)
Warning: Spoiler! (Click to show)
I want to make this extended partition bootable by using grub to have a choice of which live usb I can access at any given time. I first thought about using a very small linux distro with a grub on it to get a grub easily on the extended partition, but I'm not sure if it would work. Short:
  • only extended partition bootable (so I can pick any logical bootable partition)
  • independent from internal HDD bootloaders/grub, a system should be able to boot from any of the live usb partitions without any other data device attached.

I'm quite new to grub since it always has been there on the distros I use without any user interference. I've already read a clear guide about using grub, but I still don't know anything about grub featuring live usb boot sectors.

thank you in advance.


ps: Only ubuntu64 contains a live usb atm and it's unable to boot for now, which is the reason I started thinking about how to use a grub menu to select different live usb's.

EDIT: I managed to install grub2 on a primary partition (of ~50Mb) independently from any operating system. Configuring grub.cfg on my own (no auto-generation) did the trick.

For people looking how to install gub independently like I did (Linux required, I used Ubuntu):
  • install the grub-pc package
    Code:
    sudo apt-get install grub-pc
    
  • add a partition using any tool you want. I used GParted from one of my ubuntu live usb sticks. label: Grub, space: no more than 50Mb, file system: ext2, label as boot.
  • open up your terminal and invoke the following command:
    Code:
    sudo grub-install --root-directory=/media/Grub /dev/sd??
    
    where ?? stands for the hard drive and partition digits.
  • Hopefully the installation will be successful (otherwise make sure your hard drive is mounted) and you'll only have to do one more thing: create your own grub.cfg file in /media/Grub/boot/grub/ and set up your personal config.



cheers
Edited by Ollii - 9/16/13 at 3:16am
Obsidian
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Obsidian
(19 items)
 
Family box
(15 items)
 
 
CPUMotherboardGraphicsRAM
[Intel] i5-2500k @ 4.0 Ghz [Asus] p8p67 Pro [MSI] N580GTX Lightning Xtreme [G.skill] RipjawsZ 16Gb (4Gbx4) CL8 1600Mhz  
Hard DriveHard DriveCoolingCooling
[Samsung] Spinpoint F3 1TB [Seagate] 7200.10 2x320GB [RAID0] [Noctua] NH-D14 [CPU cooler] [MSI] Twin Frozr III [GPU cooler] 
CoolingCoolingOSMonitor
[CM] R4-L2R-20AC-GP blue LED (3x) [Case fans] [Zalman] ZM-MFC1 Plus [Fan controller] Windows 10 Pro [Acer] GR235Hbmii & [Medion] Life P12037 (MD 21... 
KeyboardPowerCaseMouse
[Ducky] Shine 3 DK9008, MX Brown, white LED [Corsair] AX850 [Corsair] Obsidian 650D [Logitech] MX Master 
Mouse PadAudioAudio
[SteelSeries] QcK mini Creative Integrated 
CPUMotherboardGraphicsRAM
[Intel] i5-660 @ 3.33Ghz [Gigabyte] GA-Q57M-S2H [EVGA] GTX560ti 2048Mb  [Samsung] 4GB (2x2GB) CL9 1333Mhz 
RAMOptical DriveCoolingCooling
[Corsair] 4GB (2x2GB) CL9 1333Mhz [Asus] BC-12B1ST (blu-ray) [Antec] 4x TriCool fans (140mm) [Corsair] stock fan (120mm) 
OSMonitorMonitorPower
Windows 8.1 Pro [Panasonic] Viera [Acer] p221w 22" [Corsair] TX550M 
CaseAudioOther
[Antec] Three Hundred integrated [OCZ] Vertex 3 120GB 
CPUMotherboardGraphicsRAM
[Intel] i5-3210m @ 2.5Ghz [Lenovo] Intel Ivy Bridge chipset [Intel] HD 4000 [Samsung] 1600Mhz 8Gb (2x4) PC12800-CL11 
Hard DriveHard DriveOptical DriveCooling
[Toshiba] 500Gb 7200rpm [WD] MyPassport 500Gb 5400rpm usb3.0 [LG] HL-DT-ST GT50N DVD+-RW [Lenovo] stock cooling 
OSOSMonitorKeyboard
Windows 10 Pro Ubuntu 15.10 Wily Werewolf 15.6" HD+ 1600x900 Anti-glare Lenovo keyboard <3 
PowerAudio
6 Cell Li-Ion 70+ Integrated 
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