> Patrick D.,check note after that line > grub2-install --boot-directory=/boot /dev/sda This is what I do not understand: --boot-directory=/boot is the default then grub2-install /dev/sda But again it is not recommended with efi > "# Note: your drive may have another device name. Check for it with > mount command output." > Any case is diffrent you need to figure out for youself what is your > setting. > > On Wed, 2019-06-26 at 10:08 +0200, Patrick Dupre wrote: > > Hello Igor, > > > > I did not have to use your recommendations. > > But you say > > grub2-install --boot-directory=/boot /dev/sda > > 1) I though it was not recommended for a efi boot. > > 2) is it always in /dev/sda (if the /boot/efi is on sdb)? > > > > ===================================================================== > > ====== > > Patrick DUPRÉ | | email: > > pdupre@xxxxxxx > > Laboratoire interdisciplinaire Carnot de Bourgogne > > 9 Avenue Alain Savary, BP 47870, 21078 DIJON Cedex FRANCE > > Tel: +33 (0)380395988 > > ===================================================================== > > ====== > > > > > > > Sent: Tuesday, June 25, 2019 at 9:09 PM > > > From: "Igor Bezrodnik" <ledeni@xxxxxxxxxxxxxxxxx> > > > To: users@xxxxxxxxxxxxxxxxxxxxxxx > > > Subject: Re: Booting impossible > > > > > > Patrick, you need this steps to boot your system : > > > > > > Using the GRUB2 boot prompt > > > > > > If improperly configured, GRUB2 may fail to load and subsequently > > > drop > > > to a boot prompt. To address this issue, proceed as follows: > > > > > > 1) Load the XFS and LVM modules > > > > > > insmod xfs > > > insmod lvm > > > > > > 2) List the drives which GRUB2 sees: > > > > > > grub2> ls > > > > > > 3) Study the output for the partition table of the /dev/sda > > > device. > > > It may look similar to the following example on a dos partition > > > table > > > with three partitons. will look something like this: > > > > > > (hd0) (hd0,msdos3) (hd0,msdos2) (hd0,msdos1) > > > > > > or similar to this output on a gpt partition table of the > > > /dev/sda > > > device with four partitions. > > > > > > (hd0) (hd0,gpt4) (hd0,gpt3) (hd0,gpt2) (hd0,gpt1) > > > > > > 4) Probe each partition of the drive and locate your vmlinuz and > > > initramfs files. > > > > > > ls (hd0,1)/ > > > > > > The outcome of the previous command will list the files on > > > /dev/sda1. If this partition contains the /boot directory, it will > > > show > > > the full name of vmlinuz and initramfs. > > > > > > 5) Set the root partition. > > > > > > grub> set root=(hd0,3) > > > > > > 6) Set the desired kernel. > > > > > > grub> linux (hd0,1)/vmlinuz-3.0.0-1.fc16.i686 root=/dev/sda3 > > > rhgb > > > quiet selinux=0 > > > # NOTE : add other kernel args if you have need of them > > > # NOTE : change the numbers to match your system > > > > > > 7) Set the desired initrd. > > > > > > grub> initrd (hd0,1)/initramfs-3.0.0-1.fc16.i686.img > > > # NOTE : change the numbers to match your system > > > > > > 8)Boot with the selected settings. > > > > > > grub> boot > > > > > > 9)When the system starts, open a terminal. > > > > > > 10)Enter the grub2-mkconfig command to re-create the grub.cfg > > > file > > > to enable GRUB2 to boot your system. > > > > > > grub2-mkconfig -o /boot/grub2/grub.cfg > > > > > > 11) Enter the grub2-install command to install GRUB2 to your > > > hard > > > disk to use of your config file. > > > > > > grub2-install --boot-directory=/boot /dev/sda > > > # Note: your drive may have another device name. Check for it > > > with > > > mount command output. > > > On Tue, 2019-06-25 at 19:20 +0200, Patrick Dupre wrote: > > > > Hello, > > > > > > > > The situation is becoming worst and worst. > > > > I tried an grub2-install /dev/sda > > > > Now, I cannot boot at all. > > > > I just enter in to a grub menu from here I am stuck. > > > > Can I collect a bit of help? > > > > > > > > Thank. > > > > > > > > ================================================================= > > > > ==== > > > > ====== > > > > Patrick DUPRÉ | | email: > > > > pdupre@xxxxxxx > > > > Laboratoire interdisciplinaire Carnot de Bourgogne > > > > 9 Avenue Alain Savary, BP 47870, 21078 DIJON Cedex FRANCE > > > > Tel: +33 (0)380395988 > > > > ================================================================= > > > > ==== > > > > ====== > > > > _______________________________________________ > > > > users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx > > > > To unsubscribe send an email to > > > > users-leave@xxxxxxxxxxxxxxxxxxxxxxx > > > > Fedora Code of Conduct: > > > > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > > > > List Guidelines: > > > > https://fedoraproject.org/wiki/Mailing_list_guidelines > > > > List Archives: > > > > https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx > > > _______________________________________________ > > > users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx > > > To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx > > > Fedora Code of Conduct: > > > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > > > List Guidelines: > > > https://fedoraproject.org/wiki/Mailing_list_guidelines > > > List Archives: > > > https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx > > > > > _______________________________________________ > > users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx > > To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx > > Fedora Code of Conduct: > > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > > List Guidelines: > > https://fedoraproject.org/wiki/Mailing_list_guidelines > > List Archives: > > https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx > _______________________________________________ > users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx > Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx > _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx