GNS3 on Desktop Proxmox

[cabusar]

Hello world

I have a Promox on a laptop with KDE for lab purposes and it work like a charm.
(install Proxmox and "apt install plasma-desktop")

Now i want to step up a little this lab by installing GNS3.

"apt-get install gns3-gui"

-> The following packages have unmet dependencies:
gns3-gui : Depends: gns3-server but it is not going to be installed

After a few research, i found that libspice-server1 is needed by GNS3 but it enter in conflict with "pve-libspice-server1".

As i understand it, pve-libspice-server1 just add some stuff to the original libspice-server1 from spice-common for Proxmox needs.

So my guess is if i manage to tell the dependencies system on my Proxmox that pve-libspice-server1 is libspice-server1 it would work.

The other workaround would be to compile GNS3 by myself and link the pve-qemu-kvm to GNS3 in place of qemu-system-x86 originaly needed.

What do you recommend ?
Any tips or idea ?

Regards.

 

[t.lamprecht]

After a few research, i found that libspice-server1 is needed by GNS3 but it enter in conflict with "pve-libspice-server1".
As i understand it, pve-libspice-server1 just add some stuff to the original libspice-server1 from spice-common for Proxmox needs.

Exactly, but we tell the package management system that we not only conflict but also provide/replace libspice-server1, so this should not be your issue.

$ apt show pve-libspice-server1
[...]
Provides: libspice-server1
Conflicts: libspice-server1
Replaces: libspice-server1
[...]

The real issue is that our pve-qemu-kvm package has no "Provides" entry for "qemu-kvm" which gns3-server depends on. While you could force the installation this is not nice (you find various threads when searching for it, hints apt download and dpkg ignore-depends).

Oh, and the next time it may be good to mention that gns3-gui/server are not official Debian packages (only gns3 itself is), but that you pull them from an Ubuntu PPA[0]

[0]: https://docs.gns3.com/1QXVIihk7dsOL7Xr7Bmz4zRzTsJ02wklfImGuHwTlaA4/index.html#h.l16c6wlbaxvm

 

[Gaston Senac]

Any link to instructions on how to install the GNS3 image as a VM?
I was trying to import the OVA but for some reason it will take the whole space even though I was installing it on a thin LVM

 

[cabusar]

Hello t.lamprecht.

Exactly, but we tell the package management system that we not only conflict but also provide/replace libspice-server1, so this should not be your issue.

$ apt show pve-libspice-server1
[...]
Provides: libspice-server1
Conflicts: libspice-server1
Replaces: libspice-server1
[...]

My bad i have not checked this, you are right.

The real issue is that our pve-qemu-kvm package has no "Provides" entry for "qemu-kvm" which gns3-server depends on. While you could force the installation this is not nice (you find various threads when searching for it, hints apt download and dpkg ignore-depends).

I wil check this, thanks.
Do you kown if pve-qemu-kvm is qemu-kvm with some additions for Proxmox ?

Oh, and the next time it may be good to mention that gns3-gui/server are not official Debian packages (only gns3 itself is), but that you pull them from an Ubuntu PPA[0]

You are totally right, this could have save you some time i guess. Apologies.

Edit : I try something (maybe stupid) :
I have modified /var/lib/dpkg/status an tell that pve-qemu-kvm replace qemu-kvm.
Now apt show pve-qemu-vm return this :

apt show pve-qemu-kvm
Package: pve-qemu-kvm
Version: 2.12.1-1
Status: install ok installed
Priority: extra
Section: admin
Maintainer: Proxmox Support Team <support@proxmox.com>
Installed-Size: 42.2 MB
Provides: qemu-system-arm, qemu-system-x86, qemu-utils
Depends: ceph-common (>= 0.48), glusterfs-common (>= 3.5.2-1), iproute2, libaio1 (>= 0.3.93), libiscsi7 (>= 1.17.0), libjemalloc1 (>= 2.1.1), libjpeg62-turbo (>= 1.3.1), libsdl1.2debian (>= 1.2.11), libusb-1.0-0 (>= 2:1.0.19), libusbredirparser1 (>= 0.6-2), libuuid1 (>= 2.16), numactl, pve-libspice-server1 (>= 0.12.5-1), python, libacl1 (>= 2.2.51-8), libasound2 (>= 1.0.16), libc6 (>= 2.15), libcap2 (>= 1:2.10), libcurl3-gnutls (>= 7.16.3), libfdt1, libgcc1 (>= 1:4.7), libglib2.0-0 (>= 2.37.1), libgnutls30 (>= 3.5.6), libnettle6, libnuma1 (>= 2.0.11), libpixman-1-0 (>= 0.30.0), libpng16-16 (>= 1.6.2-1), librados2 (>= 0.72.2), librbd1 (>= 0.80.5-2~), libseccomp2 (>= 0.0.0~20120605), libsnappy1v5, libstdc++6 (>= 5), libx11-6, libxml2 (>= 2.6.27), zlib1g (>= 1:1.2.0)
Conflicts: kvm, pve-kvm, pve-qemu-kvm-2.6.18, qemu, qemu-kvm, qemu-system-arm, qemu-system-common, qemu-system-x86, qemu-utils
Replaces: pve-kvm, pve-qemu-kvm-2.6.18, qemu-system-arm, qemu-system-x86, qemu-utils, qemu-kvm
Download-Size: unknown
APT-Manual-Installed: yes
APT-Sources: /var/lib/dpkg/status

However the apt install gns3-server still want qemu-kvm and refuse to install the package.

To be continued...

 

[t.lamprecht]

Do you kown if pve-qemu-kvm is qemu-kvm with some additions for Proxmox ?

Yes it is, among others also some important additions to let it work as desired in the PVE environment.