pvecm:tldr:ad1aa

The command "pvecm add ${hostname_or_ip}" is used in Proxmox VE (Virtual Environment) Cluster to add a new node to an existing Proxmox cluster.

Here's what each part of the command means:

• "pvecm": This is the Proxmox VE Cluster Manager command-line tool used to manage the Proxmox cluster.
• "add": It is a specific action/command used with pvecm to add a new node to the cluster.
• "${hostname_or_ip}": This is a placeholder that should be replaced with the actual hostname or IP address of the node you want to add to the cluster.

To use this command, you need to replace "${hostname_or_ip}" with the actual hostname or IP address of the node you want to add. For example, if the IP address of the node you want to add is 192.168.1.10, the command would be:

pvecm add 192.168.1.10

After running this command, the Proxmox cluster manager will attempt to add the specified node to the cluster by establishing communication with the node and configuring it as part of the cluster.