Proxmox Virtual Environment (PVE)

Enabling no-subscription repositories

Preparations:

ping download.proxmox.com

Prepare

sudo su
apt install tmux
exit

tmux
sudo su

On Debian v13 (trixie)

mv /etc/apt/sources.list.d/pve-enterprise.sources  /root

Create new file

nano /etc/apt/sources.list.d/pve-no-subscription.list

repos

deb http://download.proxmox.com/debian/pve trixie pve-no-subscription

close editor

CTRL+X, y

Adjust Debian repos

nano /etc/apt/sources.list.d/debian.sources

repos

Types: deb
URIs: http://deb.debian.org/debian
Suites: trixie trixie-updates
Components: main contrib non-free-firmware
Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg

Types: deb
URIs: http://security.debian.org/debian-security
Suites: trixie-security
Components: main contrib non-free-firmware
Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg

close editor

CTRL+X, y

Verify repositories declaration

apt policy

another one:

Do APT update

apt update

List packages ready for update, most important that there are new packages from PVE repo.

apt list --upgradable

Perform upgrade (when needed)

apt upgrade

Proxmox VE root pass reset (break the glass)

If you forgot the password, it is possible to change passowrd from the machine's console (physical access required):

Reset root password inside rescue shell:

Boot the server.

In GRUB find Proxmox VE GNU/Linux and press e to edit boot entry.

Config file will open, Find the line starting with linux (to load Linux kernel)

Add at the end of the that same line (not to the end of the file):

init=/bin/bash

Boot with

CTRL+X

Remount filesystem in read-write mode:

mount -o remount,rw /

Check the disk (optionally) to verify the disk is re-mounted:

df -hT

Change root's password:

passwd

Reboot

reboot -f

Login with new pass, usually to port 8006

https://nn.nn.nn.nn:8006/

and press [Login]

Change password (top-right, under username and 'Password')

Create admins user group

Create another admin user, add to admin user group created above

Define user's password

Add group permissions

Define permissions