Proxmox Virtual Environment 9.0 with Debian 13 released

95 speckx 32 8/5/2025, 1:57:00 PM proxmox.com ↗

Comments (32)

redundantly · 21m ago
I like Promox a lot, but I wish it had an equivalent to VMware's VMFS. The last time I tried, there wasn't a way to use shared storage (i.e., iscsi block devices) across multiple nodes and have a failover of VMs that use that storage. And by failover I mean moving a VM to another host and booting it there, not even keeping the VM running.
SlavikCA · 16m ago
Proxmox has built-in support for CEPH, which is promoted as VMFS equivalent.

I don't have much experience with them, so can't tell if it's really on the same level.

thyristan · 3m ago
Proxmox with Ceph can do failover when a node fails. You can configure a VM as high-availability to automatically make it boot on a leftover node after a crash: https://pve.proxmox.com/wiki/High_Availability . When you add ProxLB, you can also automatically load-balance those VMs.

One advantage Ceph has over VMware is that you don't need specially approved hardware to run it. Just use any old disks/SSDs/controllers. No special extra expensive vSAN hardware.

But I cannot give you a full comparison, because I don't know all of VMware that well.

riedel · 1h ago
We are really happy with proxmox for our 4 machine cluster in the group. We evaluated many things, they were either to light or to heavy for our users and/or our group of hobbyist admins. A while back we also set up a backup server. Forum is also a great resource. I just failed to contribute a pull request via their git email workflow and I am now stuck with a non-upstreamed patch to the LDAP Sync (btw. the code there is IMHO not the best part of PVE). In general, while the system works great as a monolith, extending it is IMHO really not easily possible. We have some cludges all over the place (mostly using the really good API), that could be better integrated, e.g. with the UI. At least I did not find a way to e.g. add a new auth provider easily.
PeterStuer · 21m ago
I have only recently moved to proxmox as the Hyper-V licensing became too opressive for hobby/one-person projects use.

Can someone tell me wether proxmox upgrades are usually smooth sailing, or should I prepare for this being an endeavour?

thyristan · 1m ago
Never had a problem with them. Just put each node in maintenance, migrate the VMs to another node, update, move the VMs back. Repeat until all nodes are updated.
grmone · 22m ago
"Proxmox VE is using a newer Linux kernel 6.14.8-2 as stable default enhancing hardware compatibility and performance."

kernel.org don't even list version 6.14 anymore. do they backport security patches on there own?

Arrowmaster · 12m ago
I don't know what they are currently doing, but historically Proxmox uses Debian as the OS base but with Ubuntu as the kernel source. So they rely on the Ubuntu security team backporting security patches for the kernel.
throw0101c · 34m ago
Highlights of the release (release notes):

* https://pve.proxmox.com/wiki/Roadmap#Proxmox_VE_9.0

throw0101c · 42m ago
I've heard good things about XCP-ng [1] as well: anyone use both that can lay out the pros/cons of each?

[1] https://en.wikipedia.org/wiki/XCP-ng

nirav72 · 32m ago
I can't speak for pros and cons with XCP-Ng. I've been meaning to try out XCP-ng. But feel like there just isn't a large enough community support around it yet. At least not like Proxmox, which has seen a surge in usage and popularity after the Broadcom fiasco.
xattt · 59m ago
Ugh, I’d love to make the leap, but I don’t want the headache of trying to get SR-IOV going again for my integrated Intel graphics.
zozbot234 · 50m ago
Why not run virtio-gpu in the guest?
yla92 · 1h ago
> The Proxmox VE mobile interface has been thoroughly reworked, using the new Proxmox widget toolkit powered by the Rust-based Yew framework.

First time hearing about Yew (yew.rs). First time hearing about it. Is it like writing frontend code in Rust and compiled to WASM ? Is anyone using it (other than Proxmox folks, of course).

dylanowen · 39m ago
I'm using it for a browser extension, just because I wanted to code more in rust. It's great at what it does and has all the same paradigms from React. The best use case though, would be if all your code is already rust. If you have a complex UI I'd probably use react and typescript.
sschueller · 1h ago
The official release of Debian Trixie is not until the 9th...
piperswe · 1h ago
Trixie is under a heavy freeze right now; just about all that's changing between now and the 9th are critical bug fixes. Yeah it's not ideal for Proxmox to release an OS based on Trixie this early, but nothing's really going to change in the next few days on the Debian side except for final release ISOs being uploaded
zozbot234 · 1h ago
They might drop packages between now and the stable release. An official Debian release won't generally drop packages unless they've become totally unusable to begin with.
piperswe · 50m ago
Given that Proxmox operates their own repos for their custom packages and users don't typically install their own packages on top of Proxmox, if a package they need gets dropped due to RC bugs (etc) they can upload it to their own repo
znpy · 1h ago
Debian repositories gets frozen months in advance before a release, and pretty much only security patches are imported after that. Maybe some package gets rebuilt, or stuff like that. No breaking changes.

I wouldn't expect much changes, if any a all, between today (Aug 5th) and the expected release date (Aug 9th).

cowmix · 1h ago
Yeah, it’s wild how many projects—especially container-based ones—have already jumped to Debian Trixie as their “stable” base, even though it’s still technically in testing. I got burned when linuxserver.io’s docker-webtop suddenly switched to Trixie and broke a bunch of my builds that were based on Bookworm.

As you said, Debian 13 officially lands on August 9, so it’s close—but in my (admittedly limited) experience, the testing branch still feels pretty rough. I ran into way more dependency chaos—and a bunch of missing or deprecated packages—than I expected.

If you’re relying on container images that have already moved to Trixie, heads up: it’s not quite seamless yet. Might be safer to stick with Bookworm a bit longer, or at least test thoroughly before making the jump.

sgc · 58m ago
When did you run into your problems? Is there a chance they are largely resolved at this point?
Pet_Ant · 1h ago
Yeah, but what is the rush? I mean 1) what if something critical changes, and 2) I could easily see some setting somewhere being at "-rc" which causes a bug later.

Frankly, not waiting half a week is bright orange flag to me.

Takennickname · 2h ago
"It’s also possible to install Proxmox VE 9.0 on top of Debian."

Has that always been the case? I have a faint memory of trying once and not being able to with Proxmox 7.x

carlhjerpe · 1h ago
You can even install Proxmox on NixOS now (no official support ofc) though https://github.com/SaumonNet/proxmox-nixos

Which I think is really cool since it means their stuff is "truly open-source" :)

throw0101c · 40m ago
> Has that always been the case? I have a faint memory of trying once and not being able to with Proxmox 7.x

We did it for 7.x [1] and it worked fine (since upgraded things in-place to 8.x).

[1] https://pve.proxmox.com/wiki/Install_Proxmox_VE_on_Debian_11...

robeastham · 1h ago
I'm pretty sure it's been the case since at least 7.0, as I've done it a few times on hosts such as Scaleway that only offered a Debian base image for my machine.
zozbot234 · 48m ago
Somewhat annoyingly, Proxmox relies on a non-Debian kernel for at least some of its features. This definitely made a difference w/ Bookworm (which was on the 6.1 kernel release series), not sure about Trixie (which will be on 6.12).
SirMaster · 1h ago
Yes it's always been the case. I installed Proxmox 3.4 (based on Debian 7) this way originally, and have been upgrading ever since with no issues.
rcarmo · 1h ago
I've done it a few times--8.x for sure, maybe earlier, but I've now been using it for too long to remember accurately.
ChocolateGod · 1h ago
Yeh. It's useful when trying to install onto partition setups the built in installer doesn't support OOTB.

But, things like proxmox-boot-tool may not work.

oakwhiz · 1h ago
I do it this way every time.