Howto grub2 » Historie » Revision 2
Revision 1 (Jeremias Keihsler, 12.02.2020 16:44) → Revision 2/3 (Jeremias Keihsler, 11.10.2023 16:28)
h1. GRUB 2 h2. Recreate Grub-Menu for BIOS-systems <pre><code class="bash"> grub2-mkconfig -o /boot/grub2/grub.cfg </code></pre> on EFI-systems <pre><code class="bash"> grub2-mkconfig -o /boot/efi/EFI/centos/grub.cfg </code></pre> h2. remember last choice on reboot taken from: https://nocache.org/p/make-grub-grub2-remember-last-choice-on-linux <pre><code class="bash"> cp /etc/default/grub /etc/default/grub.bak vim /etc/default/grub </code></pre> add or edit the parameters @GRUB_DEFAULT@ and @GRUB_SAVEDEFAULT@ <pre><code class="ini"> GRUB_DEFAULT=saved GRUB_SAVEDEFAULT=true </code></pre> generate GRUB configuration <pre><code class="bash"> grub2-mkconfig -o /boot/grub2/grub.cfg </code></pre> h2. make detailed boot-information visible while it's possible to edit '/boot/grub2/grub.cfg' and also '/etc/default/grub' the better approach is to: <pre><code class="bash"> plymouth-set-default-theme details dracut -f </code></pre>