TL;DR Set up necessary APT repositories upon fresh Proxmox VE install without any subscription license. Explainer on apt, apt-get, upgrade, dist-upgrade and full-upgrade.
ORIGINAL POST Upgrades and repositories
Insights on Proxmox free-pmx
free-pmx
/ free-pmx-apt-update.rst
Last active
February 8, 2025 04:08
free-pmx
/ free-pmx-ssh-pki.rst
Last active
February 19, 2025 05:38
TL;DR Secure your SSH infrastructure from the very first boot. Rotate keys and never trust a previously unknown machine. Never pass through a key-not-known prompt and do not get used to the identification-changed warning with a remote host.
ORIGINAL POST Public Key Infrastructure with Secure Shell
free-pmx
/ free-pmx-ssh-certs.rst
Last active
February 25, 2025 03:30
TL;DR PKI SSH setups for complex clusters or virtual guests should be a norm, one which improves security, but also manageability. With a scripted setup, automated key rotations come as a bonus.
ORIGINAL POST SSH certificates setup
free-pmx
/ free-pmx-pmxcfs-mount.rst
Last active
February 8, 2025 04:10
TL;DR Understand the setup of virtual filesystem that holds cluster-wide configurations and has a not-so-usual behaviour - unlike any other regular filesystem.
ORIGINAL POST The pmxcfs mountpoint of /etc/pve
free-pmx
/ free-pmx-pve-nag-script.rst
Last active
February 8, 2025 03:17
TL;DR Automate subscription notice suppression to avoid manually intervention during periods of active UI development. No risky scripts with obscure regular expressions that might corrupt the system in the future.
ORIGINAL POST Proxmox VE nag removal, scripted
free-pmx
/ free-pmx-pmxcfs-build.rst
Last active
February 8, 2025 04:01
TL;DR The bespoke filesystem that is the heart of Proxmox stack compiles from its sources in C. Necessary when changing hardcoded defaults or debugging unexplained quirks.
ORIGINAL POST The Proxmox cluster filesystem build
free-pmx
/ free-pmx-container-shell.rst
Last active
February 8, 2025 04:04
TL;DR Do not set passwords on container users, get shell with native LXC tooling taking advantage of the host authentication. Reduce attack surfaces of exposed services.
ORIGINAL POST Container shell with no password
free-pmx
/ free-pmx-pve-repos.rst
Last active
February 8, 2025 04:13
TL;DR What exactly do you get from the non-subscriber and freely available package repository? And what are the differences to the one meant for public testing only. Almost none.
ORIGINAL POST The ‘no-subscription’ repository
free-pmx
/ free-pmx-bootloaders.rst
Last active
February 8, 2025 04:18
TL;DR What is the bootloader setup determined by and why? What is the role of the Proxmox boot tool? Explore the quirks behind the approach of supporting everything.
ORIGINAL POST Making sense of Proxmox bootloaders
free-pmx
/ free-pmx-host-restore.rst
Last active
February 8, 2025 04:28
TL;DR Restore a full root filesystem of a backed up Proxmox node - use case with ZFS as an example, but can be appropriately adjusted for other systems. Approach without obscure tools. Simple tar, sgdisk and chroot. A follow-up to the previous post on backing up the entire root filesystem offline from a rescue boot.
ORIGINAL POST Restore entire host from backup
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