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Re: running systemtap on qemu
- From: James Dickens <jamesd dot wi at gmail dot com>
- To: William Cohen <wcohen at redhat dot com>
- Cc: SystemTAP <systemtap at sources dot redhat dot com>
- Date: Wed, 28 Sep 2005 11:59:11 -0600
- Subject: Re: running systemtap on qemu
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- References: <433AC7B8.1040402@redhat.com>
- Reply-to: James Dickens <jamesd dot wi at gmail dot com>
On 9/28/05, William Cohen <wcohen@redha.com> wrote:
> I am probably not the only one that doesn't always have a spare machine
> handy to try something out on. Tuesday I set up an FC4 image on QEMU on
> my FC3 laptop. I have attached a writeup describing what I did.
>
> -Will
>
great idea, i use a trial version of vmware and get faster results but
same intent
[snip]
> The next step is to set up a FC4 image. For this you will need a file
> to act as the virtual disk drive and the ISO image for the FC4 DVD. A
> 8Gigabyte virtual disk drive file can be created for QEMU with:
>
> qemu-img create qemu-fc4.img 8G
i have found that you can get by with a 4G disk if you follow my
recomendations outlined below.
>
> The FC4 DVD ISO,FC4-i386-DVD.iso, can be obtained from:
>
> http://download.fedora.redhat.com/pub/fedora/linux/core/4/i386/iso/FC4-i386-DVD.iso
>
> Now you can install FC4 on the virtual disk drive with QEMU. QEMU can
> grab the mouse and keyboard, you can toggle back to the regular system
> with <cntl>-<alt>. Start the installation with:
>
> qemu -boot d -cdrom FC4-i386-DVD.iso qemu-fc4.img
>
> This will boot off the DVD iso. Now you can do the normal installation
> using the normal defaults for things. When selecting packages at a
> minimum SystemTap will need the kernel-devel and the gcc compiler
> packages. The "Workstation" installation should be sufficient; to keep
> the amount of space required down and reduce the installation time
> avoid an "everything" install. Refer to the following URL for more information
> about installation:
>
i use a custom install, no X, nothing extra just develepopment tools.
> http://fedora.redhat.com/docs/fedora-install-guide-en/fc4/
>
> The installation of the packages will take a while. Allow the RPM
> install to complete. When asked select the reboot and go through the
> normal first boot. After this you have an FC4 image you can play with
> on QEMU. You will need to shut down the system in the normal manner,
> e.g. selecting shutdown on log out. To restart the FC4 image you use
> the following command:
>
> qemu qemu-fc4.img
>
> You will want to update the packages in the FC4. The machine
> will need a network connection to connect to the YUM repository. Log
> in as root on the FC4 system running on QEMU. Open a terminal and run
> the upgrade:
>
> yum update
this is over kill, you can get by with just following these instructions
http://sources.redhat.com/ml/systemtap/2005-q3/msg00470.html
a bit more steps, but it ends up being much faster.
James Dickens
uadmin.blogspot.com
[snip]