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Homework and Emergencies Emergency UNIX and Linux Support Reboot does not work after update Post 302881534 by Akshay Hegde on Monday 30th of December 2013 06:22:58 AM
Old 12-30-2013
First we shall try to see what's going wrong, for this you just restart your server, in boot loader menu, press e for grub editing and then search and remove rhgb quiet, press enter and boot your system using b, now you should be able to see system messages.

By removing rhgb quiet you will have better understanding of whats going before login prompt and machine will most likely tell you what is wrong if you are facing problems.

After detecting issue we shall see solution.
This User Gave Thanks to Akshay Hegde For This Post:
 

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GRUB-INSTALL(8) 					  System Administration Utilities					   GRUB-INSTALL(8)

NAME
grub-install - install GRUB to a device SYNOPSIS
grub-install [OPTION] install_device DESCRIPTION
Install GRUB on your drive. -h, --help print this message and exit -v, --version print the version information and exit --modules=MODULES pre-load specified modules MODULES --boot-directory=DIR install GRUB images under the directory DIR/grub instead of the /boot/grub directory --grub-setup=FILE use FILE as grub-setup --grub-mkimage=FILE use FILE as grub-mkimage --grub-mkrelpath=FILE use FILE as grub-mkrelpath --grub-mkdevicemap=FILE use FILE as grub-mkdevicemap --grub-probe=FILE use FILE as grub-probe --no-floppy do not probe any floppy drive --allow-floppy Make the drive also bootable as floppy (default for fdX devices). May break on some BIOSes. --recheck probe a device map even if it already exists --force install even if problems are detected --disk-module=MODULE disk module to use INSTALL_DEVICE can be a GRUB device name or a system device filename. grub-install copies GRUB images into /boot/grub, and uses grub-setup to install grub into the boot sector. REPORTING BUGS
Report bugs to <bug-grub@gnu.org>. SEE ALSO
grub-mkconfig(8), grub-mkimage(1), grub-setup(8), grub-mkrescue(1) The full documentation for grub-install is maintained as a Texinfo manual. If the info and grub-install programs are properly installed at your site, the command info grub-install should give you access to the complete manual. grub-install (GRUB) 1.99-12ubuntu5 October 2011 GRUB-INSTALL(8)
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