Guide on how to use the CLI-based QEMU manager in Proxmox, which is named 'qm'. The guide covers everything you always wanted to know and were afraid to ask about managing QEMU/KVM and has a lot of tips you will not find anywhere else. As far as I am aware it is the only guide which directly associates webUI with CLI options. Check for yourself and feedback is welcome.
https://portal.habitats.tech/Proxmox+VE+9+(PVE)/Proxmox+VE+9.x+-+'qm'+CLI
https://portal.habitats.tech/Proxmox+VE+9+(PVE)/Proxmox+VE+9.x+-+'qm'+CLI