Root permissions to perform administrative tasks Requirements, Conventions or Software Version Used How to manage EFI boot manager entries on Linux Software requirements and conventions used Software Requirements and Linux Command Line Conventions Category How to set the EFI boot manager timeout interval.How to install efibootmgr on some of the most used Linux distributions. ![]() In this tutorial we see how to install it on some of the most used Linux distributions, and how to use it to manage NVRAM boot entries. ![]() To accomplish such tasks on Linux we can use the efibootmgr utility. While installing a Linux distribution (or any other operating system) in UEFI mode makes usually the related boot entry to be written to the NVRAM, in some cases we may want to perform manual operations such as modifying the boot order, creating or deleting a boot entry. ![]() One of the features of the UEFI firmware is being able to store boot entries in the persistent and editable NVRAM memory (Non Volatile RAM). UEFI is the firmware interface which on modern machines has superseded the legacy BIOS.
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