thanks a lot for your help. Konstantin
----- Original Message ----- From: "Alban Crequy" <[EMAIL PROTECTED]> To: "Voronkov Konstantin" <[EMAIL PROTECTED]> Cc: <bug-grub@gnu.org> Sent: Wednesday, February 16, 2005 6:53 PM Subject: Re: Can I boot single OS with different parameters? > Le mardi 15 février 2005 à 12:40, Voronkov Konstantin a écrit: > > Hello, All! > > > > We need to load different setups depending on OS selected in GRUB > > while booting. We need to load the same OS but make some pre-configuration > > so that OS runs initial script depending on OS selected in GRUB. Is it > > possible? > > Would you be so kind to provide information how to do that. > > I can't give a general answer, but I will explain what I do for the > GNU/Linux OS (the following is Linux specific): > > I use several stanza in the menu.lst config file with only one difference: > > kernel (hd0,0)/boot/vmlinuz ... myparam=1 > kernel (hd0,0)/boot/vmlinuz ... myparam=2 > > I use a non-standard parameter: "myparam". > > When my Linux boots, I parse the /proc/cmdline file from some rc files > in order to get the variable "myparam". Example (with bash): > > |for word in $(cat /proc/cmdline) ; do > | case $word in > | myparam=*) > | eval $word > | ;; > | esac > |done > |echo "myparam = ${myparam}" > > The Linux' "init" parameter may also be useful (depending on what you > want to do), see doc in your linux kernel sources: > /usr/src/linux/Documentation/kernel-parameters.txt > > > > In mine opinion I have next scenario. E.g. GRUB modifies some file on load > > on hard disk depending on OS selection. Is it possible? Maybe there is > > other > > way to perform this? > > Grub is able to modify one file on the hard disk depending on OS > selection. See the Grub's documentation from the CVS and look for the > "savedefault" feature. I don't know if it is a good idea to use this. > > If you use this: > > title MyOS > kernel ... > savedefault 1 > > Grub will save the number "1" in the file "default", located in the same > directory and the same partition than your file menu.lst. > > Warning: The aim of the savedefault command is NOT to store anything in > the file "default". If you use the command "default saved", my ugly tip > will have some side effects... ;) If you use Linux, I advice you not to > use this and to add a "myparam" variable in the cmdline. > > -- > Alban > > > > > _______________________________________________ Bug-grub mailing list Bug-grub@gnu.org http://lists.gnu.org/mailman/listinfo/bug-grub