Re: Fedora 24 - Grub2 permanent cmdline changes

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On 8 July 2016 at 06:03, Stephen Morris <samorris@xxxxxxxxxxxxxxx> wrote:
On 08/07/16 02:07, Edouard Fazenda wrote:
Hi Earl,

On Fedora 24 it's the same configuration as Fedora 23, you have to edit /etc/default/grub file and after run the grub2-mkconfig command to update the grub.cfg Configuration file in /boot. Make sure that the symbolic link of /etc/sysconfig/grub is still pointing to /etc/default/grub file.

Cheers, Edouard.
Hi Earl, just following on from what Edouard said, I have never used /etc/sysconfig/grub to make grub changes, as until your thread I didn't know it existed. All the grub documentation I have seen has said to make changed directly to /etc/default/grub, which is what I have always done. Like Tom and you have both indicated I have always run grub2-mkconfig/grub2-install manually because I don't like the format of the grub menu built by grubby (which is automatically run when a new kernel is installed as Tom said). Also as I understand it, grubby does not use /etc/default/grub to build its grub menus.

>From what you have shown in your thread it looks like /etc/sysconfig/grub is linked to the wrong file. It seems to be linked to /etc/grub.d/00-header, so you may want to re-link it back to /etc/default/grub. I have checked on my F24 system and /etc/sysconfig/grub is a link to /etc/default/grub.

regards,
Steve


Thanks for the responses all, I have confirmed that the symbolic link points to /etc/default/grub

$ ls -la /etc/sysconfig/
total 152
lrwxrwxrwx.   1 root root    17 Jun 11 02:31 grub -> /etc/default/grub

when I use less to read /etc/default/grub, below is what I am seeing; therefore, the /etc/default/grub file is not the same on this box, I will whip up a F24 KVM instance and copy the /etc/default/grub file to this box and I think I should be good.


# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub2-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
set pager=1

if [ -s $prefix/grubenv ]; then
  load_env
fi
if [ "${next_entry}" ] ; then
   set default="${next_entry}"
   set next_entry=
   save_env next_entry
   set boot_once=true
else
   set default="${saved_entry}"
fi

if [ x"${feature_menuentry_id}" = xy ]; then
  menuentry_id_option="--id"
else
/etc/default/grub


--
Kind Regards
Earl Ramirez
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