Saturday, June 28, 2014

Changing Timeout in GRUB

This post specifically deals with configuring GRUB after a kernel has been built and installed on the UBUNTU 14.04.
The kernel images and System.map files are present in the /boot directory,  and the grub bootloader configuration loads the kernel image from there  only. The configuration settings of the grub bootloader are stored in the file /etc/default/grub

first of all you would notice that the
Selection_003

The configuration parameter GRUB_HIDDEN_TIMEOUT is set to 0, this somehow forces the bootloader to NOT show its selection menu.  we need to change that. just replace the zero with any value you want and then run the command
sudo update-grub
 
that's it... Reboot now and you will see the menu.

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