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Topic: Boot from Master or Slave,, Have a choice

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Ninja

Group: Members
Posts: 28
Joined: Oct. 2004

Posted: Oct. 28 2004,10:14

Is there any way i can have two different Linux distros on two harddrives, (hda1 and hdb1) master and slave repectfully.
I was thinking perhaps the black choice screen you get with bootlines on windows. Or is there no way to have a choice at startup, or any way to even boot from slave... or do i need a boot floppy for it?

Sorry for all the questions

AwPhuch

Group: Members
Posts: 1404
Joined: April 2004

Posted: Oct. 28 2004,16:22

Quote (Ninja @ Oct. 28 2004,06:14)

Absolutely!!!

The MBR (master boot record) and the distro containing the lilo.conf or grub bootloader will have to remain intact or your system may not boot...

Then all you have to do is tell the conf file where to start loading the linux distro's
like my fedora /boot/grub/grub.conf file

Quote

# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/hda2
# initrd /initrd-version.img
#boot=/dev/hda
default=2
timeout=10
splashimage=(hd0,0)/grub/splash.xpm.gz
title Fedora Core (2.4.22-1.2199.nptl)
root (hd0,0)
kernel /vmlinuz-2.4.22-1.2199.nptl ro root=LABEL=/ rhgb
initrd /initrd-2.4.22-1.2199.nptl.img
title Fedora Core (2.4.22-1.2115.nptl)
root (hd0,0)
kernel /vmlinuz-2.4.22-1.2115.nptl ro root=LABEL=/ rhgb
initrd /initrd-2.4.22-1.2115.nptl.img
title Fedora Core (2.4.27)
root (hd0,0)
kernel /vmlinuz-2.4.27 ro root=LABEL=/ rhgb
initrd /initrd-2.4.27.img

Brian
AwPhuch

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./S99LinuxRevolution start

Ninja

Group: Members
Posts: 28
Joined: Oct. 2004

Posted: Oct. 28 2004,21:25

thanks for the swift reply... so is this the part i need to change?

Quote

If you have another OS on this machine to boot, you can uncomment the
# following lines, changing the device name on the `other' line to
# where your other OS' partition is.

Or is there something else that i need to give me a choice on reboot?

AwPhuch

Group: Members
Posts: 1404
Joined: April 2004

Posted: Oct. 28 2004,21:46

The last Linux OS you install will overwite the MBR of the previous MBR, however it should autodetect the old distro and add a 2nd entry to boot either one...however...if you modify or delete the 2nd OS b4 restoring the MBR of the 1st os you might have a pain of a time getting the 1st OS booted again

Brian
AwPhuch

--------------
http://www.frappr.com/dsl <-- Where do you use DSL?
http://www.smoothwall.org <-- Ultimate firewall for the world!
http://boinc.mundayweb.com/one/stats.php/userID:6107 <--My BOINC stats!
./S99LinuxRevolution start

newOldUser Offline

Group: Members
Posts: 241
Joined: Oct. 2004

Posted: Oct. 29 2004,02:52

This site helped me understand Lilo...

www.troubleshooters.com/linux/lilo.htm

Lilo is a boot loader. There are several different ones but I know Lilo comes with DSL. Your lilo.conf file should be in your /etc directory.

Good luck....

And as a warning... Lilo can make it so your computer doesn't start. You might want to have a boot disk or CD handy.

Also... if you type /sbin/lilo -v -t
it runs lilo in test mode. Nothing gets updated but you see if there are any errors in your lilo.conf

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4 replies since Oct. 28 2004,10:14

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