![]() ![]() How to update the GRUB menu The update command is as follows: grub2-mkconfig -o /boot/grub2/grub.cfg This will recreate. Fedora GRUB2 support is still very early and rather buggy, with some of the functionality not yet implemented well. Since there have been many answers posted here from different systems and configurations, let's have one last shot at this with a regular expression. Now, you have your grub.cfg file, which can read BLS files and you don't have to touch grub.cfg for every kernel update. HBruijn's answer makes a lot more sense in that context, even though it was valid before. I stumbled across blscfg and found this article: Changes/BootLoaderSpecByDefault I was a bit irritated staring at the "empty" section where I expected to find the configuration that builds the list of boot entries. An Oracle Linux 8.4 system we have here just taught me something new. Until a few hours ago this was also my understanding of how things work with GRUB. If not, how do the system knows where is the grub configuration file to update when a new kernel version is installed? Boot Loader Specification and blscfg in GRUB ![]()
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