There is no such thing as a perfect piece of software. All software matures as it progresses through time by getting new features and finding and fixing hidden bugs. By releasing regular updates and upgrades, a developer can ensure that their software does not become obsolete owing to the rapid pace of software and hardware. In this chapter, we will see how to update and upgrade a Proxmox node to keep it up to date. We will cover the following topics:
Introducing the Proxmox update
Updating Proxmox through the GUI
Updating Proxmox through the CLI
Updating after subscription change
Rebooting dilemma after updates