You may avoid to do it. But I have a multiboot system. I may have to manage which grub.cfg file needs to be read when booting. grub-install let me do it. =========================================================================== Patrick DUPRÉ | | email: pdupre@xxxxxxx Laboratoire de Physico-Chimie de l'Atmosphère | | Université du Littoral-Côte d'Opale | | Tel. (33)-(0)3 28 23 76 12 | | Fax: 03 28 65 82 44 189A, avenue Maurice Schumann | | 59140 Dunkerque, France =========================================================================== > Sent: Monday, May 04, 2015 at 1:19 PM > From: "Paul Cartwright" <pbcartwright@xxxxxxxxx> > To: users@xxxxxxxxxxxxxxxxxxxxxxx > Subject: Re: grub2 > > mmm, well if it has already been installed , why would you ever have to > run grub-2-install again?? all you would have to do is modify the > grub.cfg whenever you add a new kernel.. I guess the only way to test > would be to add/remove a kernel, then JUST run grub2-mkconfig, reboot & > see if the changes were updated.. > or am I missing the point.. > > > Hello, > > > > In my opinion, it odes not matter. > > after grub-install /dev/sda > > grub knows that it has to read the file > > /boot/grub2/grub.cfg > > Then you can change it, it will use the chnaged file. > > There is no copy of the copy in /dev/sdx > > > > > > =========================================================================== > > Patrick DUPRÉ | | email: pdupre@xxxxxxx > > Laboratoire de Physico-Chimie de l'Atmosphère | | > > Université du Littoral-Côte d'Opale | | > > Tel. (33)-(0)3 28 23 76 12 | | Fax: 03 28 65 82 44 > > 189A, avenue Maurice Schumann | | 59140 Dunkerque, France > > =========================================================================== > > > > > >> Sent: Monday, May 04, 2015 at 11:07 AM > >> From: "Klaus-Peter Schrage" <kpschrage@xxxxxx> > >> To: users@xxxxxxxxxxxxxxxxxxxxxxx > >> Subject: Re: grub2 > >> > >> Am 03.05.2015 um 20:42 schrieb Paul Cartwright: > >>> On 05/03/2015 11:02 AM, Klaus-Peter Schrage wrote: > >>>> Am 03.05.2015 um 15:59 schrieb Patrick Dupre: > >>>>> Hello, > >>>>> > >>>>> After I run > >>>>> grub2-mkconfig -o /boot/grub2/grub.cfg > >>>>> grub2-install /dev/sda > >>>> First thought: Shouldn't these two commands be interchanged? > >>> no, you run the mkconfig FIRST, then install it in /dev/sda .. > >>> > >>> > >> I am a bit stumbled: I always thought that it is a good idea to install > >> a feature before configuring it ... Following Fedora's Grub2 > >> documentation, I did it this way for quite a long time whenever I needed > >> to update my grub configuration: > >> "The configuration format has evolved over time, and a new configuration > >> file might be slightly incompatible with the old bootloader. It is thus > >> often/always a good idea to run grub2-install before grub2-mkconfig for > >> some reason is run." > >> But, I admit, in most situations the order of the two command may not > >> matter. > >> -- > >> users mailing list > >> users@xxxxxxxxxxxxxxxxxxxxxxx > >> To unsubscribe or change subscription options: > >> https://admin.fedoraproject.org/mailman/listinfo/users > >> Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct > >> Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines > >> Have a question? Ask away: http://ask.fedoraproject.org > >> > > > -- > Paul Cartwright > Registered Linux User #367800 and new counter #561587 > > -- > users mailing list > users@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe or change subscription options: > https://admin.fedoraproject.org/mailman/listinfo/users > Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct > Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines > Have a question? Ask away: http://ask.fedoraproject.org > -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
