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making bootable linux drive

Posted on 2000-05-08
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Last Modified: 2010-04-20
I'm replacing my hard drive in my linux box - but i dont want to have to reinstall linux - is there a way of making it bootable so I can just copy my entire exiting drive over to it?  (i.e. mount new hard drive alongside existing one, copy stuff over, make new drive bootable, then reboot with only new drive in box)

i have a feeling this is going to be quite simple using lilo - but i can't find the right command line switches

(also, there is no CDROM or floppy drive in the machine so I can't boot except from a hard drive)
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Question by:shivers
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kiffney earned 100 total points
ID: 2788538
Sure, we do this all the time here.  Install the new drive as the second drive, create all your partitions on the new drive with fdisk, mount the new drive (let's say it's on /mnt/hdb), copy things them over with something like
cd /usr
cp -ax * /mnt/hdb/usr/

then do

lilo -v -r /mnt/hdb

then shutdown, remove the old drive, put the new drive on the first channel, and reboot to test things.  The nice thing is you will have your old drive preserved in case things get biffed up.
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by:tzanger
ID: 2810789
kiffney's way looks good, I'm not certain if the -x option to cp will stay out of /proc or not (it *should*).  -x will definately stay out of the /mnt directory.

If -x doesn't stay out of /proc, you can umount /proc.
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by:shivers
ID: 2811106
luvly!  I haven't had a chance to do it yet as ~I dont have the new drive yet, but that info was just what i was looking for :)
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