On 3 Apr 2023, at 17:03, Mario Marietto
<marietto2008(a)gmail.com> wrote:
Hello Barry and Fedora community.
I would like to integrate Debian,Fedora,Arch or maybe some other distro into one
single,homogeneous and flexible operating (OS) context.
I would like to use Debian 11 as the host OS and the rest of the OSes (Fedora,Arch) will
be virtualized within different virtual machines
(I don't want to use containers,I know that they are a better choice,but I want to
understand if a virtual machine is good anyway when it is very well configured). The idea
is also to use qemu + kvm with the nographic and no vga options enabled,without
virt-manager or boxes.
I'm not sure how you run your linux systems matters for an update automation tool.
I don't want to open and close the virtual machine graphical interface every time I
want to run an application. I find it much more comfortable if I can run every application
and command within one only terminal by premising,for example,a letter indicating to which
distribution the command or application belongs to. Or I could tell xpra to open the
fedora or the arch linux terminal. For sure it will be much faster to configure,but it has
less scenic effect.
I don't take in consideration the apps that can be installed through flatpaks,snap or
app images,because I don't like to use these systems.
I'm a traditional user of linux,I have used it since the 90's. I prefer to use
the traditional packaging systems used by debian,fedora,arch.
I've read that in some cases the snap system in Ubuntu contains obscure parts of
code. And I've checked by myself how much can those systems complicate the management
of the OS if they get jammed or if one does not want them because he/she/ wants to
streamline the system.
So,I really like the idea to use apt/apt-get, dnf/yum, pacman and yay all together from
one only shell, just like you'd use them on their native distributions. I may want to
install or remove an application on one of those OSes because it does not work anymore and
you have no time to fix it.
You know that sometimes it takes time to fix the broken part,time that you don't
have. Luckily it still works for the remaining one or two OSes. I may like to use some
specific distro just because I like,without particular reason,for some time. Maybe there
are also different technical reasons why I want to have that fusion,tied to the libraries
used. Some libraries could improve the stability and the speed of the systems,some others
could do it less. It seems that some good distros are coming out these days,following the
same idea : a couple of them are : blendOS,BedRock.
Now,I'm on Debian 11 (where I'm using the default qemu version 5.2) and I'm
trying to boot Fedora 37 using the following qemu commands :
/usr/bin/./qemu-system-x86_64
-enable-kvm
-m 8G
-machine q35,accel=kvm
-smp 8,cores=4
-cpu host,kvm=off
-smp 2,sockets=1,cores=2,threads=1
-drive if=pflash,format=raw,readonly=on,file=/usr/share/OVMF/OVMF_CODE_4M.fd
-device ich9-intel-hda
-device hda-output
-usb -device usb-kbd
-device usb-mouse
-device virtio-net-pci,netdev=net0
-netdev tap,id=net0,ifname=tap0,script=no,downscript=no,vhost=on
-device ich9-ahci,id=sata
-drive id=SystemDisk,if=none,snapshot=off,cache=none,media=disk,format=raw,file=/dev/sdd
-device ide-hd,bus=sata.4,drive=SystemDisk
-device bochs-display
-device pcie-root-port,bus=pcie.0,multifunction=on,port=1,chassis=1,id=port.1 \
At this point your script comes into play. The idea is to use your update-linux script to
update automatically the Fedora VM that's running under the hood. This seems to be the
missing piece for my project. But it's not the only missing piece. My idea is to keep
synchronized all the VMs that are running silently,so the project still needs two pieces
of code : your script should do the same for the arch and the Ubuntu VMs. The idea behind
is to have a sort of immediate backup if one of the VM gets corrupted. But this backup is
represented by the remaining and still working VMs that's still running in memory.
Not sure how an update tool help with the backup and disaster recover.
Do you like the idea ? I'm not a coder,so I'm not able to replicate your script
to make it work for Ubuntu and arch. You can,if you like the project and you want to
collaborate with me. Let me know,thanks.
I am open to have coding contributed to support other packaging systems.
I have debian and ubuntu systems that I will likely add support for at some point.
My setup has Fedora on most of my systems a router, server for files and mail, music
player, desktop and VMs.
I do have debian and unbuntu VMs for development work.
Barry
On Mon, Apr 3, 2023 at 12:51 PM Barry Scott <barry(a)barrys-emacs.org
<mailto:barry@barrys-emacs.org>> wrote:
> I have released a tool that I have been using for a number of years to
> maintain my Fedora systems.
>
>
https://pypi.org/project/update-linux/2.0.0/
>
> This tool allows you to update all your Fedora systems easily:
>
> $ update-linux host1 host2
>
> Or check if there are updates available:
>
> $ update-linux --check host4 host5
>
> It also handles system upgrades:
>
> $ update-linux --system-upgrade=37 host3
>
> It can be configured with named groups of hosts to avoid the need to
> type long lists of host names.
>
> Barry
>
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--
Mario.
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