commands available on bootable iso

[Geoffrey Leach]

Is it possible to get a list of the commands available on a  Fedora
iso  without actually mounting the iso? What I'm looking for is the
commands available from the Anaconda menu, not the commands that are
installed to the disk.

[stan]

On Sat, 25 Mar 2023 22:21:22 -0700
Geoffrey Leach  wrote:
> Is it possible to get a list of the commands available on a  Fedora
> iso  without actually mounting the iso? What I'm looking for is the
> commands available from the Anaconda menu, not the commands that are
> installed to the disk.

Possible?  Yes.  Easy?  No.

I think the definitive way would be to download the src.rpm and
unpack it, and look at the code to see what commands are there.

https://koji.fedoraproject.org/koji/packageinfo?packageID=2

You could also ask on the fedora anaconda mailing list.  The developers
probably have a list of the commands, or know them.

I haven't seen the interface since they switched from the hub and spoke
format, but I assume there will be different commands depending on
where you are in the install process.  So, your question is not well
difined.  If you are asking the developers, they will probably want to
know why you are asking, or what you are looking for in order to narrow
it down.

[Ranjan Maitra]

On Sun Mar26'23 08:30:51AM, Community Support for Fedora Users wrote:
> From: stan via users 
> Date: Sun, 26 Mar 2023 08:30:51 -0700
> To: [e-mail]
> Cc: stan 
> Reply-To: Community support for Fedora users 
> Subject: Re: commands available on bootable iso
>
> On Sat, 25 Mar 2023 22:21:22 -0700
> Geoffrey Leach  wrote:
> > Is it possible to get a list of the commands available on a  Fedora
> > iso  without actually mounting the iso? What I'm looking for is the
> > commands available from the Anaconda menu, not the commands that are
> > installed to the disk.
>
> Possible?  Yes.  Easy?  No.
>
> I think the definitive way would be to download the src.rpm and
> unpack it, and look at the code to see what commands are there.
>
> https://koji.fedoraproject.org/koji/packageinfo?packageID=2
>
> You could also ask on the fedora anaconda mailing list.  The developers
> probably have a list of the commands, or know them.
>
> I haven't seen the interface since they switched from the hub and spoke
> format, but I assume there will be different commands depending on
> where you are in the install process.  So, your question is not well
> difined.  If you are asking the developers, they will probably want to
> know why you are asking, or what you are looking for in order to narrow
> it down.

So, I am not sure what the OP is asking for. But from the kickstart file(s), you can get the list of the rpms in an iso from:

https://pagure.io/fedora-kickstarts/tree/f37

Then you can use:

dnf repoquery -l rpm-name

and get the list of the files in each rpm.

This is a large number of rpms, and even larger number of files to go through.

Best wishes,
Ranjan

[Geoffrey Leach]

On Sun, 26 Mar 2023 12:03:53 -0500
Ranjan Maitra  wrote:
> On Sun Mar26'23 08:30:51AM, Community Support for Fedora Users wrote:
> > From: stan via users 
> > Date: Sun, 26 Mar 2023 08:30:51 -0700
> > To: [e-mail]
> > Cc: stan 
> > Reply-To: Community support for Fedora users
> >  Subject: Re: commands available on
> > bootable iso
> >
> > On Sat, 25 Mar 2023 22:21:22 -0700
> > Geoffrey Leach  wrote:
> > > Is it possible to get a list of the commands available on a
> > > Fedora iso  without actually mounting the iso? What I'm looking
> > > for is the commands available from the Anaconda menu, not the
> > > commands that are installed to the disk.
> >
> > Possible?  Yes.  Easy?  No.
> >
> > I think the definitive way would be to download the src.rpm and
> > unpack it, and look at the code to see what commands are there.
> >
> > https://koji.fedoraproject.org/koji/packageinfo?packageID=2
> >
> > You could also ask on the fedora anaconda mailing list.  The
> > developers probably have a list of the commands, or know them.
> >
> > I haven't seen the interface since they switched from the hub and
> > spoke format, but I assume there will be different commands
> > depending on where you are in the install process.  So, your
> > question is not well difined.  If you are asking the developers,
> > they will probably want to know why you are asking, or what you are
> > looking for in order to narrow it down.
>
> So, I am not sure what the OP is asking for. But from the kickstart
> file(s), you can get the list of the rpms in an iso from:
>
> https://pagure.io/fedora-kickstarts/tree/f37
>
> Then you can use:
>
> dnf repoquery -l rpm-name
>
> and get the list of the files in each rpm.
>
> This is a large number of rpms, and even larger number of files to go
> through.
>
> Best wishes,
> Ranjan

Thanks for that. Quite a complex setup, tho not surprising.

What I wanted to be able to do is this. I 've downloaded the fedora 37
iso. I wan to know if it has gparted. How can I answer that without
writing it to a thumb drive and booting?

[Go Canes]

On Sun, Mar 26, 2023 at 2:16 PM Geoffrey Leach  wrote:
> What I wanted to be able to do is this. I 've downloaded the fedora 37
> iso. I wan to know if it has gparted. How can I answer that without
> writing it to a thumb drive and booting?

Assuming the downloaded iso is on or available from an existing Fedora
install, just "sudo mount *filename.iso* /mnt", and then explore.  Or,
use kvm/virtualbox/vmware/whatever and set up a VM with the ISO in the
CD drive and no other storage, and boot it that way.

Another option - if the whole point is to have a bootable iso with
gparted installed on it, why not just find an iso that you know
includes it?

[Luna Jernberg]

well gparted has live ISOs with Debian and gparted only if its the
only tool you want

On 3/26/23, Go Canes  wrote:
> On Sun, Mar 26, 2023 at 2:16 PM Geoffrey Leach 
> wrote:
> > What I wanted to be able to do is this. I 've downloaded the fedora 37
> > iso. I wan to know if it has gparted. How can I answer that without
> > writing it to a thumb drive and booting?
>
> Assuming the downloaded iso is on or available from an existing Fedora
> install, just "sudo mount *filename.iso* /mnt", and then explore.  Or,
> use kvm/virtualbox/vmware/whatever and set up a VM with the ISO in the
> CD drive and no other storage, and boot it that way.
>
> Another option - if the whole point is to have a bootable iso with
> gparted installed on it, why not just find an iso that you know
> includes it?
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[Todd Zullinger]

Go Canes wrote:
> On Sun, Mar 26, 2023 at 2:16 PM Geoffrey Leach  wrote:
> > What I wanted to be able to do is this. I 've downloaded the fedora 37
> > iso. I wan to know if it has gparted. How can I answer that without
> > writing it to a thumb drive and booting?
>
> Assuming the downloaded iso is on or available from an existing Fedora
> install, just "sudo mount *filename.iso* /mnt", and then explore.

With the Live images, the OS is in LiveOS/squashfs.img,
which itself contains only the rootfs.img.  So there's not
much exploring to be done there without extracting or
mountint the rootfs image.

$ unsquashfs -ll /tmp/iso/LiveOS/squashfs.img
drwxrwxr-x root/root                29 2022-11-05 05:17 squashfs-root
drwxrwxr-x root/root                33 2022-11-05 05:17 squashfs-root/LiveOS
-rw-rw-r-- root/root        8128561152 2022-11-05 05:34 squashfs-root/LiveOS/rootfs.img

Fortunately, the liveimage-mount command from the
livcd-tools package can automate the process of mounting the
nested images pretty easily:

$ mkdir -p /tmp/liveos && sudo liveimage-mount --chroot Fedora-Workstation-Live-x86_64-37-1.7.iso /tmp/liveos

preparing temporary overlay...
b'0+0 records in\n0+0 records out\n0 bytes copied, 0.0001046 s, 0.0 kB/s\n'
Starting subshell in a chroot.
  Changes to '/tmp/Fedora-Workstation-Live-x86_64-37-1.7.iso' filesystems are only temporary.
  Changes will NOT persist after rebooting.
            Press Ctrl D to exit...
[root@localhost /]# command -v gparted
[root@localhost /]#
> Or, use kvm/virtualbox/vmware/whatever and set up a VM
> with the ISO in the CD drive and no other storage, and
> boot it that way.

This is also a pretty simple method.  Booting the image can
be done with no setup:

qemu-kvm -m 2048 -vga qxl -cdrom /path/to/fedora.iso

In any case, gparted is not included on the Fedora
Workstation Live images.  Though it is trivial to install
within the live image.
> Another option - if the whole point is to have a bootable
> iso with gparted installed on it, why not just find an iso
> that you know includes it?

Another good option, if you're looking for something you can
toss on a USB drive and have handy.

[Wolfgang Pfeiffer]

On Sun, Mar 26, 2023 at 11:15:14AM -0700, Geoffrey Leach wrote:
> What I wanted to be able to do is this. I 've downloaded the fedora 37
> iso. I wan to know if it has gparted. How can I answer that without
> writing it to a thumb drive and booting?

sudo mount -v -o loop /path/to/your.iso /mnt/<somedir>
find /media/<somedir> -type f -iname "*gparte*"

[Roberto Ragusa]

On 3/26/23 21:26, Todd Zullinger wrote:
> With the Live images, the OS is in LiveOS/squashfs.img,
> which itself contains only the rootfs.img.  So there's not
> much exploring to be done there without extracting or
> mountint the rootfs image.

With a plain iso it would be as easy as

iso-info -l myiso.iso

but for the livecd you have to go inside the squash fs with

iso-read -i myiso.iso -e /LiveOS/squashfs.img --output-file isotmp; unsquashfs -l isotmp

and it is still not enough since you have a filesystem inside, so

iso-read -i myiso.iso -e /LiveOS/squashfs.img --output-file isotmp
unsquashfs isotmp LiveOS/rootfs.img
e2ls squashfs-root/LiveOS/rootfs.img:/usr/bin -l

all done in a freshly created dir with some space, which you will remove at the end.
Unfortunately this can't be done in a single pipe without intermediate files.

Regards.

[Geoffrey Leach]

On Mon, 27 Mar 2023 16:16:01 +0200
Roberto Ragusa  wrote:
> On 3/26/23 21:26, Todd Zullinger wrote:
> > With the Live images, the OS is in LiveOS/squashfs.img,
> > which itself contains only the rootfs.img.  So there's not
> > much exploring to be done there without extracting or
> > mountint the rootfs image.
>
> With a plain iso it would be as easy as
>
> iso-info -l myiso.iso
>
> but for the livecd you have to go inside the squash fs with
>
> iso-read -i myiso.iso -e /LiveOS/squashfs.img --output-file isotmp;
> unsquashfs -l isotmp
>
> and it is still not enough since you have a filesystem inside, so
>
> iso-read -i myiso.iso -e /LiveOS/squashfs.img --output-file isotmp
> unsquashfs isotmp LiveOS/rootfs.img
> e2ls squashfs-root/LiveOS/rootfs.img:/usr/bin -l
>
> all done in a freshly created dir with some space, which you will
> remove at the end. Unfortunately this can't be done in a single pipe
> without intermediate files.
>
> Regards.

Exactly what I needed. Many thanks.