https://pve.proxmox.com/wiki/Install_Proxmox_VE_on_Debian_11_Bullseye

primeiro - apt update && apt upgrade && apt dist-upgrade && apt autoremove && apt autoclean && find /etc -name '.dpkg-' -o -name '.ucf-' -o -name '*.merge-error' && reboot

https://askubuntu.com/a/831241

pesquisar o CD em que se encontra um pacote - https://cdimage-search.debian.org/

arquivo - https://cdimage.debian.org/mirror/cdimage/archive/

geral - https://cdimage.debian.org/cdimage/

apt purge gnome-session gnome gnome-shell && apt-get autoremove && dpkg-reconfigure lightdm

https://forum.proxmox.com/threads/ubuntu-snaps-inside-lxc-container-on-…

spd-say "isto é um teste"

https://caddyserver.com/docs/install#debian-ubuntu-raspbian

https://brezular.com/2019/12/03/dpdk-and-open-vswitch-installation-on-d…

começamos por descarregar a versão estável do sofware:
sudo curl -L "https://github.com/docker/compose/releases/download/1.28.0/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

fazemos o ficheiro executável:
sudo chmod +x /usr/local/bin/docker-compose

https://docs.docker.com/compose/install/