felis, to proxmox German
@felis@social.tchncs.de avatar

Am gestrigen Regentag nahm ich meinen Mut zusammen wollte meinen von 6.4 auf 7.x updaten. Viel zu spät war ich dran, aber es lief seit Jahren alles so schön fehlerfrei. Leider fror das Upgrade bei 58 % ein. Ich konnte herausfinden, dass es etwas mit „memtest“ zu tun hat. Nachdem ich diesen Prozess abschoss, lief das Upgrade bis zum Ende durch jedoch nicht fehlerfrei: Ich kam nicht mehr ins Proxmox-Gui, da „pveproxy“ und „pveservice“ (oder so) nicht mehr starteten. 😞 1/3

stooovie, to proxmox
@stooovie@mas.to avatar

Whew! host went belly up, took me seven hours to fix even with backups.

TWO SSDs failed this morning.

gnulinux, to proxmox German
@gnulinux@social.anoxinon.de avatar

Manufacturing-Lab mit Proxmox und OctoPrint

Ich steuere meinen 3D-Drucker mithilfe von OctoPrint, welches als LXC auf Proxmox läuft. Proxmox hat dabei seinen eigenen Desktop, mit dem man auf den Webhost von OctoPrint zugreifen kann.

https://gnulinux.ch/manufacturing-lab-mit-proxmox-und-octoprint-0

dustinrue, to ubuntu
@dustinrue@chateaude.luxe avatar

Just added Server 24.04 - https://github.com/dustinrue/proxmox-packer. I need to update the page on my site with some details about how to configure cloud-init in Proxmox yet. But long story short, you must set the ip config to enable DHCP. RHEL variants don't need this.

dustinrue, to proxmox
@dustinrue@chateaude.luxe avatar

Thoughts on Proxmox and Home Lab Use

This post is really a small collection of thoughts about Proxmox when used in a home lab situation and home labs in general. I was originally going to post this to Mastodon only but it didn't fit in a single post.

A lot of people (at least what I see on reddit) build Proxmox systems with shared file systems like ceph, even for home lab use.

https://dustinrue.com/2024/04/thoughts-on-proxmox-and-home-lab-use/

linuxiac, to linux
@linuxiac@mastodon.social avatar

Proxmox Virtual Environment 8.2 launches featuring QEMU 8.1.5, LXC 6.0.0, ZFS 2.2.3, Ceph updates, and more.
https://linuxiac.com/proxmox-ve-8-2-launches-with-enhanced-migration-tools/

fuomag9, to ubuntu

DO NOT #update to #ubuntu #24.04 on #LXC if you use #proxmox, the containers will NOT start. I believe this is something that needs to be fixed by the proxmox team as they seems to be checking for ubuntu version manually in a startup script

alternativeto, to random
@alternativeto@mas.to avatar

QEMU, the open-source machine emulator and virtualization software, has launched version 9.0 with new features such as LoongArch KVM acceleration support, multi-queue support for the virtio-blk block driver, and improved support for ARM architecture.
https://alternativeto.net/news/2024/4/qemu-9-0-release-with-loongarch-kvm-acceleration-and-raspberry-pi-4-support/

hanscees, (edited )
@hanscees@mas.to avatar

@alternativeto good for #proxmox #homelab people 😎

loongarch I have looked up:
its a risc type of instruction set for (specific?) risc cpu's
https://en.wikipedia.org/wiki/Reduced_instruction_set_computer

here is an explanation https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#introduction

stefano, to proxmox
@stefano@bsd.cafe avatar

Proxmox VE 8.2 released!

https://forum.proxmox.com/threads/proxmox-ve-8-2-released.145723/

#Proxmox #Linux #Virtualization #SysAdmin #IT

wagesj45, to proxmox

I totally understand men that obsess over their lawn. I do the exact same thing with my home network.

stefano, to proxmox
@stefano@bsd.cafe avatar

Today I pondered something: Proxmox and others boast native ZFS integration as one of their strengths. Many Proxmox features rely on ZFS's unique capabilities, and many setups are built around them. If Oracle were to send a cease and desist tomorrow, how would the situation unfold?

Mawoka, to proxmox
@Mawoka@mastodon.online avatar

A question for the -guys here:

I've got the 192.168.1.x network with HA in there. Now, I've got an router with the IP 192.168.1.190 creating 2 new networks: 192.168.100.x. I now want to get the HA into the 192.168.100.x network, but I can't connect it physically, as both the OpenWrt and HomeAssistant run in containers/VMs on . I tried experimenting with IP routes, but no success. Does anyone have a clue for me?

marud, to proxmox

Bon, je suis complètement à court d'idées, j'ai besoin d' #aide sur du #reseau sur ce serveur... Si vous avez une idée ou si vous pouvez partager, j'en peux plus là

Le serveur qui fait tourner cette instance est sur un #proxmox. Jusqu'ici, tout allait bien.
Hier, suite à un plantage, j'ai du reboot le serveur (VPS chez Ionos). Après redémarrage, impossible d'accéder à quoi que ce soit : Interface Proxmox, services dans les conteneurs, rien.

La configuration était la suivante :

Interface externe (ens6) et 2 bridges :

  • vmbr0, en bridge-port sur ens6 (avec donc son ip publique), utilisé pour l'administration
  • vmbr1, avec une ip dans un réseau en 192.168.2.0/24 qui sert les conteneurs (reverse proxy pour un et docker pour l'autre)

J'ai dans mon fichier d'interfaces pour vmbr1 ceci :

        post-up echo 1 > /proc/sys/net/ipv4/ip_forward
        post-up iptables -t nat -A POSTROUTING -s 192.168.2.0/24 -o vmbr0 -j MASQUERADE
        post-up /script/dnat.sh
        post-down iptables -t nat -D POSTROUTING -s 192.168.2.0/24 -o vmbr0 -j MASQUERADE

Pour les ouvertures de port, j'ai dans dnat.sh des entrées comme celle ci (exemple pour le port 443)

iptables -t nat -A PREROUTING -i vmbr0 -p tcp --dport 443 -j DNAT --to-destination 192.168.2.10:443

Après debug, j'ai vu que le trafic passait à nouveau lorsque je foutais en down VMBR0.

J'ai donc, dans l'urgence, changé mes règles pour retirer vmbr0 et le changer par ens6, qui est le nom d'interface "physique".

J'ai pu constater que tout était revenu : accès à l'interface de proxmox, accès aux conteneurs... tout sauf, un point important : impossible depuis le serveur d'utiliser sa propre ip publique.

Par exemple, impossible pour l'instance d'envoyer un mail (le conteneur de mailing est situé derrière la même ip), impossible même depuis le shell de proxmox... ou encore impossible de renouveler les certificats sur le conteneur qui fait reverse.

[1/2]

chad, to homelab
@chad@vault37.xyz avatar

The evolution of my homelab from 2016 to today.

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platymew, to ubuntu
@platymew@layer8.space avatar

WHOAAA 👀 fancy! 🤩

has a shmancy web-UI!

👉 sudo snap refresh lxd --edge

It's "bleeding" --edge, all tight! 😅
I had to create the 1st instance via cli.

I'm trying to figure out whether i can run and within the non-upgradable 2GB RAM envelope of that wee thin client.

The containers aren't fully installed, yet. But they're running at ~500MB of RAM.

was a dead end - uses 1.5GB without running a single container!

2 lxc containers running, htop shows about 500MB RAM usage

tomi, to proxmox

(Link to the original blog post with a proper layout)

It’s a pity that doesn’t report CPU and other temperatures to .

I had several freezes of my old laptop that runs Proxmox due to a stuck CPU fan. I googled a bit and found an elegant solution for temperature reporting: a command_line sensor.

Nevertheless, it took several hours to configure it correctly (I forgot how to deal with ssh keys and similar).

This is the end result:

home assistant cpu temperature sensor chartThe procedure:

  1. I installed the ‘Terminal & SSH’ add-on in to home assistant.
  2. I created SSH keys, put them into /config/.ssh folder, and copied to my proxmox server. Read these instructions. I’ve put something like this in my HA Terminal addon:
$ mkdir /config/.ssh$ ssh-keygen <em># generated ssh keys and when asked, i enter the folder /root/config/.ssh</em> $ ssh-copy-id -i /root/config/.ssh/id_proxmox root@MY_PROXMOX_IP <em># copy keys to my prox server</em>$ ssh root@MY_PROXMOX_IP <em>#try out if I can log on without password prompt, then exit</em>
  1. I had to find out where my proxmox stores temperatures. I ssh’ed to my proxmox again, browsed folders and looked into files which one store temps. My AMD laptop stores it in /sys/class/thermal/thermal_zone0/temp.

It could be also …/thermal_zone1, 2, 3 or similar.

  1. Then I pulled temperature data via SSH to HA terminal:
$ ssh -i /config/.ssh/id_prox -o StrictHostKeyChecking=no -q root@YOUR_PROXMOX_IP cat /sys/class/thermal/thermal_zone0/temp

The command returned 52000.

Edited my configuration.yaml and added the sensor. This is a working code (as of Apr. 2024). I used tips from here (deprecated sensor) and here.

##################

Temperature proxmox

##################
command_line:
– sensor:
name: temperature_cpu
command: “ssh -i /config/.ssh/id_prox -o StrictHostKeyChecking=no -q root@YOUR_PROXMOX_IP cat /sys/class/thermal/thermal_zone0/temp”
value_template: “{{ value | multiply(0.001) | round(1) }}”
unit_of_measurement: “°C”

After 20 restarts of Home Assistant, it finally shows the proxmox CPU temp.

Bonus: here is a picture my homelab proxmox ‘server’ with external fans (because CPU fan is not working).

https://blog.rozman.info/wp-content/uploads/2024/04/20240415_081455-1024x576.jpgBonus #2: A hypothesis: Fediverse is causing global warming! 😉 😉

When I publish a blog post, the WordPress Activitypub plugin delivers the post to the . This causes the CPU to heat to 75C+. I know it now, because I can track its temp. in HA.

The hypothesis is confirmed.

temperature chart of the CPU, a spike is detected at blog publish time, because of activitypub pluginhttps://blog.rozman.info/proxmox-server-temperature-tracking-in-home-assistant/

#2

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image/png

danielsreichenbach, to proxmox
@danielsreichenbach@mastodon.world avatar

So I had a bit of a unpleasant experience with #proxmox and trying to successfully do a PCI(e) Passthrough.

In my cluster, I have a few machines running on an AMD Ryzen 7 4800U with Radeon Graphics. Following the Proxmox WIki guide, I kinda managed to pass the APU into a guest.

The unpleasant side effect was that following that, the host then lost control over the remaining PCI devices too, as in IO, network, etc. First thing to happen of course was all OSDs on that host just disappeared.

po3mah, to homeassistant
@po3mah@mastodon.social avatar

I tried to manually configure integration in configuration.yaml. After a first try, I gave up and used integration instead (https://github.com/dougiteixeira/proxmoxve#proxmox-permissions).
Worked on the first try. Suddenly I have 176 entities more :)

hanscees, to homelab Dutch
@hanscees@mas.to avatar


Hi, I am using this little box with an intel n100
In vm, to get a fast linux vm, should I select 1 socket 4 cores?
Or will nftables work the same speed on 1 core?

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Gina, to foss
@Gina@fosstodon.org avatar

Obligatory yearly toot about so I can stay on 🎉

I saw the other day that German state Schleswig-Holstein is going to switch to fully . Which is great and hope it works out for them.

Having set up a fully (F)OSS (desktops, apps, servers, etc) IT env for a large non-profit, might I suggest proper enterprise support instead of a lone coffee-addicted sysadmin who tries to keep systems together with hopes, prayers and duct tape? 🥲

Gina, (edited )
@Gina@fosstodon.org avatar

That is not to say that everything was bad. Users liked working with (still my fav distro), and were popular as well. Zimbra as a mailserver was ok, there were a few complaints about the scheduling tool. worked well, at times. I'm trying to remember the other apps that we used.

We had in-house servers with I believe and vm's on top, managed by . That all worked really well. One or 2 Windows VM's for legacy apps.

hanscees, to homelab Dutch
@hanscees@mas.to avatar

Hello there. I have bought a beelink s12 pro. It has 16g memory on board. However, I have heard that a n100 can run with 32G.
Who has an intel n100 or beelink s12 pro and can tell me what 32G memory works well with it?
Also I heard rumours it will run 32G but can never use more than 16G.
Any tips apreciated and please boost!

stooovie, to proxmox
@stooovie@mas.to avatar

Installing #proxmox at the office, but I forgot my macbook at home and proxmox GUI is no bueno from a phone.

So I'm, I shit you not, accessing the GUI from a fucking Meta Quest VR helmet which has a good browser, with no issue whatsoever 😂😂😂

jbzfn, to homelab
@jbzfn@mastodon.social avatar

🦾 INCTEL N100 fanless mini PC and micro firewall appliance comes with four 2.5GbE ports using Intel i226V controllers | CNX Software

「 The device supports up to 16GB DDR5 memory, can take an M.2 NVMe SSD and/or a 2.5-inch SATA drive for storage, and also provides two video outputs through HDMI and DisplayPort, as well as a few USB ports, an RJ45 console port, and optional support for WiFi and 4G LTE connectivity 」

https://www.cnx-software.com/2024/03/30/inctel-n100-fanless-mini-pc-and-micro-firewall-appliance-comes-with-four-2-5gbe-ports-using-intel-i226v-controllers/

#N100 #Fanless #MiniPC #Firewall #Homelab

hanscees,
@hanscees@mas.to avatar

@jbzfn what would ne a similar small form computer to host a #proxmox vm farm on at home? 32G of ram would be nice two nics and a decent cpu? #linux #homelab

governa, to proxmox
@governa@fosstodon.org avatar

How to Passthrough NVIDIA GPU to #Proxmox VE 8 Containers for #CUDA / #AI Acceleration and Media Transcoding

https://linuxhint.com/passthrough-nvidia-gpu-proxmox-ve-8-cuda-ai-media-transcoding/

mttaggart, to proxmox

Brilliant move by #Proxmox to integrate this tool: an ESXi import wizard to make it simple to move your VMs over. forum.proxmox.com/threads/new-import-wizard-available-for-migrating-vmware-esxi-based-virtual-machines.144023/

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