Instalar simulador cisco GNS3 en Debian 11 (bullseye)

apt update

apt list --upgradable

apt upgrade

luego

apt install -y python3-pip python3-pyqt5 python3-pyqt5.qtsvg \
python3-pyqt5.qtwebsockets \
qemu qemu-kvm qemu-utils libvirt-clients libvirt-daemon-system virtinst \
wireshark xtightvncviewer apt-transport-https \
ca-certificates curl gnupg2 software-properties-common

pip3 install gns3-server 

Successfully installed Jinja2-3.0.1 MarkupSafe-2.0.1 aiofiles-0.7.0 aiohttp-3.7.4.post0 

aiohttp-cors-0.7.0 async-timeout-3.0.1 attrs-21.2.0 distro-1.6.0 gns3-server-2.2.24 

jsonschema-3.2.0 multidict-5.1.0 psutil-5.8.0 py-cpuinfo-8.0.0 pyrsistent-0.18.0 

sentry-sdk-1.3.1 typing-extensions-3.10.0.1 yarl-1.6.3 

pip3 install gns3-gui

Successfully installed gns3-gui-2.2.24