![grub on usb breaks grub on system grub on usb breaks grub on system](https://1.bp.blogspot.com/-EUrFcnkHE5I/Thtwgral3vI/AAAAAAAAE18/ospFXr8FPks/s1600/sshot913.png)
The latter is only used to be able to use the hard disk and to provide the tools. WARNING: Device /dev/loop1 not initialized in udev database even after waiting 10000000 microseconds.Ĭhroot the system so that the changes are made on the hard drive to be treated and not in the live system. WARNING: Device /dev/sda not initialized in udev database even after waiting 10000000 microseconds. WARNING: Device /dev/loop0 not initialized in udev database even after waiting 10000000 microseconds. If warnings like these should appear later with the actual update-grub2 command: If the boot directory is on an extra partition, this must also be mounted.
![grub on usb breaks grub on system grub on usb breaks grub on system](http://1.bp.blogspot.com/-X54GqZQdd30/U487zzr-gPI/AAAAAAAAAAg/2iUA5QW0BBg/s1600/GRUB1_99.png)
If we booted into the live system with the live image we just created, we have to mount the system partition into our live system. If you dont see Windows as an option to boot into after installing Linux just open the Linux terminal and run this command as root: sudo upgrade-grub.
![grub on usb breaks grub on system grub on usb breaks grub on system](https://i.stack.imgur.com/0VUyN.png)
#GRUB ON USB BREAKS GRUB ON SYSTEM INSTALL#
The command looks like this for the USB stick:ĭd if=/dev/dvd of=/path/Image.img bs=1M & sync Repair of the boot manager in the live system Just make sure during your Linux installation that you install grub to the MBR of the HDD of your choice. The following command, for example, is used to create a complete image of a CD / DVD:ĭd if=/dev/sdY of=/path/Image.img bs=1M & sync After the download, the boot media can be created as follows. Various live systems are available here, such as SparkyLinux or SuperGrubDisk. A live system on a CD or a USB stick is now required for this. However, this is not possible from the Grub Rescue mode.Ī live system on a CD or USB stick is now required. Users can select an OS from grub, or these systems are configured with Ubuntu auto reboot to Windows if no login occurs on Ubuntu within 1 minute. It would be good if you could reinstall the Grub now. IMO grub is much more flexible than win boot manager, grub boot menu is configured to present Ubuntu plus Windows instances, so grub is acting 'master' boot loader by BIOS. The grub simply revives the hang or shows the rescue mode of the grub shell. In this file are all relevant settings for the grub.
#GRUB ON USB BREAKS GRUB ON SYSTEM UPGRADE#
Who does not know that? After an upgrade or work on the boot manager itself, the system no longer boots into the actual operating system the next time it is restarted. Yeah, the boot files them selves are on the ESP (EFI system partition) that is (Normaly) mounted to /boot/efi The grub config file (Normaly) is /boot/grub/grub.cfg and the file from which it is generated (using grub-mkconfig -o /boot/grub/grub.cfg) is /etc/default/grub. Repair the bootloader Grub with the help of a live system