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Once grub is installed, you have to create your own grub.cfg for it to boot. The whole plan is about making Ubuntu persistent USB drive from Windows operating system and learning/studying how some parts work. What are you planning on booting from flash drive? The actual info inside the gpt partition is some very long GUID that identifies what partition is used for. The bios_grub flag is used by parted & gparted. Then this might be a viable solution, sure not tested yet if the USB system drives boots after setting the attributes.Īttribute value is 0000000000000000. If your worry is about accessing the content of non-system partitions of the USB drive. Well it is possible to set the attribute for the partition to hidden and hide the system partitions. It can be anywhere on drive,īut if using Windows best not to have it first as Windows typically only sees the first partition on flash drives. If using gdisk to partition flash drive then you still need a 1 or 2MB unformatted partition with code ef02 for grub to install.
#Install grub on usb from windows manuals#
I'm not sure who can help me with that, as grub2 manuals seems to be lacking information. Yes, i'm sure it is easier to do this from the linux environment.īut my goal is to do that with Windows only, that's why I need uncommon help and but then parts of grub may be in the f: drive. Not sure how you specify that in Windows. You need to install grub to the USB drive.
#Install grub on usb from windows how to#
Plus many here know how to do that, were almost no one has installed grub using Windows. It probably is easier to create an Ubuntu live installer and install grub from that to your flash drive. How is the flag applied in Ubuntu/linux, what tools are used? Not sure what the flagging is. It is 1 or 2MB unformatted with bios_grub flag.ĭid you mean there is only need to format it to BIOS boot partition (type EF02) for the partition to be considered bios_grub flagged? This seems to be the case - it is gpt partitioned. Number Start (sector) End (sector) Size Code Name The F: disk seems to be GPT partition that is 7.2GB with FAT filesystem. Type device filename, or press to exit: 1:įound valid GPT with protective MBR using GPT. I'm using gdisk64.exe (GPT fdisk is a disk partitioning tool, download page: )Ĭ:\Users\boqsc\OneDrive\Stalinis kompiuteris\fdisk>gdisk64.exe Grub2 does not like to install to partitions, not enough space and then it has to use blocklists.