The default user on Proxmox VE is the root, We can change the root user password by using GUI as follows:

  • Access the proxmox web interface at https://your server address:8006 or in case of a backup server, use https://backup server IP address:8007.
  • At the prompt, enter the username root and then enter your password, and set the realm to Linux PAM standard authentication and login.
proxmox login prompt
  • After logging in, select the menu in the top right corner–> select Password, then you are prompted to change the Password.
change proxmox installation time password.

Should you mistype or forget the password, here is how to reset the Proxmox VE password.