Update .iso used for VM

[Keith Miller]

I have a large number of server that use of course the Ubuntu .iso 18.04 and 20.04 both desktop and server additions.
how can I update the .iso to with all the current updates. right now when I use them when complete they have a mess of update to perform

Proxmox 6.4-8

Keith

 

[Dominic]

Can you use VM templates? https://pve.proxmox.com/pve-docs/pve-admin-guide.html#qm_templates