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This system lacks PPP kernel support

January 28, 2025, 5:53 am
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Hi,

I'm getting this error below: (We migrated from a old cluster to the new pve6 cluster and now I'm getting this error)

root@illovo-pptp:~# pon illovo
Couldn't open the /dev/ppp device: Operation not permitted
modprobe: ERROR: ../libkmod/libkmod.c:507 kmod_lookup_alias_from_builtin_file() could not open builtin file '/lib/modules/5.0.15-1-pve/modules.builtin.bin'
/usr/sbin/pppd: Sorry - this system lacks PPP kernel support

What can I do to fix this and let me know if you need more...

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welche Festplatteneinstellungen ?

January 28, 2025, 6:00 am
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Hallo Zusammen,

vielleicht könnt Ihr mir helfen.

Wir haben eine Serverumgebung mit Proxmox hergestellt
Es ist ein neuer HPE Server mit SSD Platten und im RAID 10
Jedoch habe ich das Gefühl das der Zugriff auf die Platten sehr langsam ist.
Eine Datensicherung dauerte sehr viel länger als wie vormals auf einem normalen Windows 10 PC

Auf der VM ist auch schon der Vitro-win-driver-installer und guest-tools installiert

Vielen Danke für Eure Anregungen
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Error backing up LXC container

January 28, 2025, 6:15 am
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Hi,

I do have a problem with a newly created LXC container when backing up to my NAS.

I do get the error:

Code: 
ERROR: Backup of VM 102 failed - command 'rsync --stats -h --numeric-ids -aH --delete --no-whole-file --sparse --one-file-system --relative '--exclude=/tmp/?*' '--exclude=/var/tmp/?*' '--exclude=/var/run/?*.pid' '--exclude=/mnt/rackstation' /proc/4002196/root//./ /mnt/pve/Rackstation/dump/vzdump-lxc-102-2024_05_23-17_16_41.tmp' failed: exit code 23

When I execute the same...

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Setting HTTPS headers

January 28, 2025, 6:20 am
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HI all,

proxmox has been pulled up on our internal pen test for not having security headers set on the web interface. making the application vulnerable to clickjacking.
as such what file needs adjusting to add and set X-Frame-Options and Content-Security-Policy response headers.
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Proxmox can't connect to non-sub repo, waiting for headers

January 28, 2025, 6:22 am
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Hello,
I've just set up proxmox on my old pc, however it refuses to connect to download.proxmox.com or any other mirror I try, I have tried running apt update numerous times, however it just hangs on "Waiting for headers". Commenting out the non-sub repo in my repo sources allows me to update debian packages, so I don't know if it's got anything to do with my networking and/or DNS, but pveam update does not work as well due to the bugged proxmox repo. I can ping download.proxmox.com as well...

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No vga output post systemd-boot using 6.8.12-4-pve kernel, 6.2.16-20-pve works

January 28, 2025, 6:25 am
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Hi everyone - I recently upgraded to 8.3.0. When using the 6.2.16-20-pve kernel, I get vga output. However, when using 6.8.12-4-pve kernel, I get no vga output. I'm using basic framebuffer-style console. I have a Ryzen based system, which doen't have integrated graphics - so using the ASRock rack m2_vga adapter: https://www.asrockrack.com/general/productdetail.asp?Model=M2_VGA

Does anyone have any ideas about why this isn't working, and what I could try?

Attaching dmesg output
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Corrupted qcow2 images

January 28, 2025, 6:25 am
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We use Proxmox Backup Server and Client v3.3.1 to backup our KVM guests. These use qcow2 for the disks with ext4 as file system.

To ensure that the backed up images are valid, the backed up disks are mounted via proxmox-backup-client map after uploading to the Proxmox Backup Server and checked with qemu-img check.

We have now noticed that some of the uploaded disk-images are corrupt:

Code: 
qemu-img: Could not open '/dev/loop0': Could not read L1 table: Input/output error

We...

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Quick HOWTO on setting up iSCSI Multipath

January 28, 2025, 6:27 am
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Hi Everyone,

I originally included this HOWTO guide as a reply to someone else's post but am posting in its own thread as it may help others who struggle to get proper iSCSI MPIO working on a Promox cluster. Coming from an enterprise VMware ESXi background, I wanted my shared storage setup the same way in Promox (albeit without LVM snapshots but Veeam fills this gap). It should be noted that this configuration is entirely done from shell and not through the web UI. I found that the GUI...

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Virtual Environment 7.0-11 journalctl consuming way too much cpu.

January 28, 2025, 6:30 am
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I am having issues with journalctl consuming way too much cpu power on one of my PVE nodes. First i want to say that I am not certain if this is normal or not. I will provide some technical information with the hope that someone can assist me resolving this issue. I have 2 clusters each with 4 nodes and this is not the first time this issue is popping up. THe other servers have 1-2 journalctl processes at most but every now and then the journalctl seems to be going out of control.

Basically...

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Server Hardware Hilfe benötigt

January 28, 2025, 6:36 am
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Hallo in die Runde,

ich verwende Proxmox schon eine ganze Weile auf meinem Homelab, will nun allerdings auf einen "richtigen" Server umsteigen und bräuchte bitte eure Meinung/Einschätzung oder gerne auch Empfehlung.
Auf dem Server sollen am Ende 2-3 Windows Server VMs laufen. Die Applikationen auf den VMs wird sich in Grenzen halten und nichts rechenintensiv sein. Ich suche also keinen High End Server, aber auch keine lahme Krücke.

Lange Rede, kurzer Sinn, ich habe mich auf die Suche nach...

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ESXi Struktur mit Proxmox ersetzbar?

January 28, 2025, 6:42 am
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Hallo zusammen

ich bin aktuell am überlegen von meiner ESXi Struktur hin zu Proxmox zu wechseln.
Jedoch bin ich mir nicht ganz sicher ob dies überhaupt möglich ist....
Ich habe hier eine Hochverfügbare Struktur mit 2 Storages, 4 SAN Switchen und 4 ESXi-Hosts. Alles zusammen sind via 16GBit/s FibreChannel verbunden.
Habe es hier einmal Visualisiert:
Die Linke und die Rechte Hälfte sind zudem in unterschiedlichen Gebäuden. Aber das macht ja an der Logik nichts.
Serverstruktur.drawio.png

Die beiden...

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Mass reboot of all cluster nodes

January 28, 2025, 6:46 am
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Hello, everybody.

There was a crash on our cluster today.
In the beginning, one node lost connection to the cluster, and then all the others rebooted.

Code: 
Jan 28 03:56:33 tvr-pve-09 corosync[3318]:   [TOTEM ] A new membership (8.17f8) was formed. Members
Jan 28 03:56:33 tvr-pve-09 corosync[3318]:   [QUORUM] Members[1]: 8
Jan 28 03:56:33 tvr-pve-09 corosync[3318]:   [MAIN  ] Completed service synchronization, ready to provide service.
Jan 28 03:56:33 tvr-pve-09 corosync[3318]:   [QUORUM] Sync members[1]: 8
Jan 28...

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Bridge Pirimary Interface Question

January 28, 2025, 6:49 am
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Working NUC Proxmox cluster on NUC's. Added a second interface to the bridge by using the USB 3.0 port on the NUC. Interface does work, tested with Iperf3 multiple times. Issue is that I if both the embedded ethernet and the USB Nic are plugged, when the Proxmoxe node comes up after a shutdown and start, the embedded 1Gb NIC has all the active connections according to "bridge fdb show". If I unplug the embedded ethernet port and shutdown and restart, the USB Nic shows all the...

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Slow backup with PBS

January 28, 2025, 6:50 am
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Hi all,
I'm having issues backing up PVE to PBS, it's very slow and inconsistent write speed.
To backup a VM with 300Gib disk takes over an hour.


PVE - Lenovo P520
Xeon(R) W-2255 CPU
190 GiB DIMM DDR4 2666 MHz
GeForce RTX 4060 Ti 16GB
Vms data are stored in ZFS 3x SSD SanDisk X300 DC Raidz1

PBS - Terramaster F4-424
Running as VM in Truenas scale
CPU - 4 cores allocated
Ram - 8GiB DDR5 allocated
Boot disk - nvme zvol Volume Size:50 GiB
Datastore - zvol Volume Size: 3 TiB on a...

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no Chrony

January 28, 2025, 6:54 am
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fresh installed testserver with 8.3.1 and updated. Expected Chrony runing. But
Code: 
root@pve-1:~# systemctl status cronyd
Unit cronyd.service could not be found.
root@pve-1:~#

It si not a problem to install and configure it, but shouldn'd it runing
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pve cli commands on my debian VM with pdm?

January 28, 2025, 6:57 am
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Hello,

I created a Debian VM and installed PDM. I added the three nodes part of a cluster to it and all is well. What would be the apt packages to install in order to use the proxmox (pve and qm) cli commands on my VM/PDM console?

Thanks,
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Hypervisor connection issues

January 28, 2025, 6:59 am
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Hello and happy new Year!
My idea for setting up networking was to have vlans tagged by hypervisor, so the VMs are not really aware what network they are on (someone told me it's an overkill for a homelab, but I would rather follow best practices when I can and that feels like a better thing to do). I have assigned a vmbr0 to my physical interface (it's connected to trunk port) and then I have it forking into 3 VLANs (100,101,102). Each of those VLANs then goes into OPNSense as LAN...

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NAS als Datastore (Readonly) in PBS einbinden und auf Tape Sichern

January 28, 2025, 7:04 am
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Liebes Forum,

wir sind letztes jahr von ESXi / Veeam auf Proxmox / PBS umgestiegen.
In Veeam hatte man die Möglichkeit, einen Tapejob anzulegen und direkt eine SMB-Freigabe auf Tapes zu sichern.

Auf dem PBS sind aktuell ca 75TB frei, wir benötigen jedoch ca 180TB, ich habe also nicht genügend platz auf dem PBS um da die Daten zwischen zu speichern.

Nun zur Frage, gibt es eine Möglichkeit, SMB-Freigaben als Datastore zu definieren, aber sehr wichtig, als Readonly?
Der will ja immer die...

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VirtIO-Treiber für Festplatte wird nicht gefunden -- VirtIO 0.1.266 und Win11

January 28, 2025, 7:12 am
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Im Windows 11 Setup wird kein Treiber für die Festplatte gefunden. Was mache ich falsch?

Screenshot Fehlermeldung:

proxmox-win11-fehlermeldung.PNG

Screenshot Konfiguration Windows 11 Maschine:

proxmox-win11-konfiguration.PNG

Hardware: 2x HDDs, angeschlossen via SATA und Software-Raid unter Proxmox (local pve).
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Change disk type (IDE/SATA to SCSI) for existing Windows machine

January 28, 2025, 7:12 am
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Hi,
can anybody help me and explain me how can I change disk type for Windows machine? I've tried one Windows 10 vm and one Windows Server 2016 and both failed to start correctly after change.
Any help appreciated.
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