On Mon, Dec 1, 2014 at 11:19 AM, <parmeshwr_pra...@dell.com> wrote: > Is your idea is to send kernel+grub+initramfs through magic packet ?
No. > > if yes > then lot of wol design should change first. > > > > Regards > > Parmeshwr > > > > From: grub-devel-bounces+parmeshwr_prasad=dell....@gnu.org > [mailto:grub-devel-bounces+parmeshwr_prasad=dell....@gnu.org] On Behalf Of > Brugnara Daniele > Sent: Saturday, November 29, 2014 9:47 PM > To: Andrei Borzenkov; Brugnara Daniele > Cc: grub-devel@gnu.org > Subject: Re: Remotely choose a menu entry > > > > I am thinking about a secret key known from both sender and receiver and > encode/decode the packet using this, a strong algorithm, of course. > > Il giorno Sab 29 Nov 2014 17:03 Andrei Borzenkov <arvidj...@gmail.com> ha > scritto: > > В Sat, 29 Nov 2014 01:10:28 +0000 > Brugnara Daniele <dani...@brugnara.me> пишет: > >> Hi all. >> >> I'm thinking about a system that boots with a wol packet. Who sends this >> packet in 99% of cases, is far away from that computer and it could be >> useful to boot into a different system instead of the default one. (please >> keep in mind that changing the default option in grub is not a option for >> this specific use case) >> >> If a wol can be delivered successfully, an UDP packet containing simple >> datas should be enough to achieve this. >> >> Something like this: >> >> - MAC: the destination device mac address >> - choice: a number (can be empty) >> - commandLine: a full commandline (a choice or this..) >> - more? I don't know for now.. >> >> This option should be enabled in the grub.conf by the user. >> >> What do you think about? Could this be useful? Am I missing something, >> like >> a tool that does this automagically? >> > > Yes, it could probably be implemented as a command that loops listening > for magic packet and then sets default menu option. Of course, you > would need to consider security aspects (who is allowed to send > packet, how it is authenticated etc). > >> I've read about an eth-to-serial but it's not what I want. >> PXE or bootp is not an option here. I don't want to manage another >> server... >> >> Thanks for your time. >> >> Daniele. _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
