zImage, vmlinux, vmlinuz - which one...?

zImage, vmlinux, vmlinuz - which one...?

Post by zin » Thu, 12 Oct 1995 04:00:00



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>I compiled my first kernel but am unsure of which resulting binary to use?

>What are the differences between zImage and vmlinux?

zImage is the compressed kernel.  vmlinux is the uncompressed kernel.
you want to use zImage to boot.

- -pjf

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zImage, vmlinux, vmlinuz - which one...?

Post by david roma » Thu, 12 Oct 1995 04:00:00


: I compiled my first kernel but am unsure of which resulting binary to use?
: What are the differences between zImage and vmlinux?

You want to first:
cp /vmlinuz /vmlinuz_old   Just in case the new kernel doesn't work right.
then:
mv /usr/src/linux/arch/i386/boot/zImage /vmlinuz   so there isn't two copies...
then assuming you use lilo to get to linux:
lilo     very important. you won't boot if you don't do this!!
then:
reboot

if all went well, your new kernel should reboot and off you go again to get
the next one and do this all over in another week or two ;-)

Daevid.
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zImage, vmlinux, vmlinuz - which one...?

Post by Michel Gieske » Sat, 14 Oct 1995 04:00:00




>   I compiled my first kernel but am unsure of which resulting binary to use?
>   What are the differences between zImage and vmlinux?

>SOS (same old story): zImage is the compressed verion of vmlinux.
>--
>--

>snail-mail: TU Berlin; Sekr. FR 5-13; Franklinstr. 28-29; 10587 Berlin
>=-=-=-=-= "I'm sorry Dave, but I can't do that"  HAL 9000  =-=-=-=-=-=

You should be able to use the uncompressed version vmlinux. However LILO
will probably complain that it is to big. So in that case you're better of
with the compressed version: zImage. You may rename/copy it to vmlinuz.
Just make sure that you use the right image name in lilo.conf (image=...).
When you give your old and new kernel different names, you can setup LILO
with an entry for both of them. So you'll be able to boot your old kernel
if the new one fails to boot.

Michel.

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zImage, vmlinux, vmlinuz - which one...?

Post by John Hartn » Sat, 14 Oct 1995 04:00:00


: You want to first:
: cp /vmlinuz /vmlinuz_old   Just in case the new kernel doesn't work right.
: then:
: mv /usr/src/linux/arch/i386/boot/zImage /vmlinuz   so there isn't two copies...
: then assuming you use lilo to get to linux:
: lilo     very important. you won't boot if you don't do this!!

Yes -- you may also want to edit /etc/lilo.config so that you have the
option of running from vmlinuz_old instead of vmlinuz.  That way if
something went wrong in the kernel compile, you can bail yourself
out without recourse to a boot floppy.

: then:
: reboot

: if all went well, your new kernel should reboot and off you go again to get
: the next one and do this all over in another week or two ;-)

--
___________________________________________________________________________

     http://www.aston.ac.uk/~hartnupj/ | or you can save it until later...
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zImage, vmlinux, vmlinuz - which one...?

Post by Robert Brockw » Mon, 16 Oct 1995 04:00:00


: You should be able to use the uncompressed version vmlinux. However LILO

Actually uncompressed kernel images haven't been allowed for a while.  Lilo
expects a compressed kernel image.
        -Robert


                     WWW: http://student.uq.edu.au/~ec531667
"Since the dodecahedron has 12 faces, it makes an ideal desk calendar."
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zImage, vmlinux, vmlinuz - which one...?

Post by Ted Hoa » Wed, 18 Oct 1995 04:00:00




>: I compiled my first kernel but am unsure of which resulting binary to use?
>: What are the differences between zImage and vmlinux?
>You want to first:
>cp /vmlinuz /vmlinuz_old   Just in case the new kernel doesn't work right.
>then:
>mv /usr/src/linux/arch/i386/boot/zImage /vmlinuz   so there isn't two copies...
>then assuming you use lilo to get to linux:
>lilo     very important. you won't boot if you don't do this!!
>then:
>reboot

cd /usr/src/linux
make zlilo
reboot
--
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Ted Hoang               http://tedix.sccsi.com


 
 
 

1. zImage, vmlinux & vmlinuz

I haven't been able to find any documentation that makes sense
on what exactly zImage, vmlinux & vmlinuz are. I know when I
compile a new kernel, zImage is created in
        /usr/src/linux/arch/ie86/boot
I've been moving this file to /vmlinuz, and marking it as an
executable.  I then run /etc/lilo/install to mark it bootable.
This works, but I wonder if it is right, and what exactly the
three files are. The vmlinux exists in /usr/src/linux.

In one piece of documentation I read, it states that the
zImage is dropped into /usr/src/linux as well, though as
stated above, this is not the case in my system.

If someone could explain this, or point me to a current doc
that explains this well, I'd be very grateful.

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