[CentOS] Loss of Ethernet adaptor

Mon Jun 9 16:45:23 UTC 2014
m.roth at 5-cent.us <m.roth at 5-cent.us>

James B. Byrne wrote:
> On Mon, June 9, 2014 11:46, Steve Clark wrote:
> implementation as it necessarily involves a restart of the test system.  I
> am trying to discover if there is some way of restarting a headless server
> and use a specific grub entry instead of the default.  I want to leave the
> default unchanged until I can prove that any manual changes I make do not
> negatively impact a system restart.
> If anyone knows if this is possible and if so, how it is done, I would
> welcome the information.

That's a no-brainer: change the default= line in grub from 0 to whatever
the entry number is. Note that I'm not sure what happens if you add a
kernel update in there, whether the post-install scripts will increment
the number so as to continue to point to the correct kernel.