change the number of CPU cores through the command

[leila]

I want to change the number of CPU cores through the command.
in VMs
Can someone help please?

 

[bbgeek17]

man qm

qm set [vmid] --options

-sockets <integer> (1 - N) (default = 1)
           The number of CPU sockets.
 --vcpus <integer> (1 - N) (default = 0)
           Number of hotplugged vcpus.

---

Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox

 

[fiona]

Hi,
you can use cores and sockets to set the number of CPUs to cores * sockets. Usually, you don't want sockets to be too high and it should be a power of 2. The vcpus option is to limit that number (intended for hotplugging), but you can't increase the number beyond cores * sockets with that.