Questions tagged [proxmox]

Proxmox Virtual Environment (PVE for short) is an Open Source Server Virtualization Platform, based on Debian, KVM and (LXC for v4 and above, OpenVZ for versions <4.0)

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1 answer
987 views

LXC CentOS Container does not work with multiple IP addresses

Hoping someone can help me as i've been pulling out the only hair I have left (which is not much) trying to figure this out. I'm unable to assign multiple IPs to any CentOS 7 container, only the ...
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0 answers
681 views

Ready made docker-compose.yml with Wireguard client and Traefik router to expose Proxmox home server to internet

I want to expose web services from Docker container running in LXC and from virtual machines to internet through Traefik router, single Wireguard tunnel and VPS. I also want to use same tunnel for SSH ...
0 votes
1 answer
578 views

how do i network VMs when only one IP available ? (proxmox)

sorry if the question has already been asked but cannot find an answer for my usecase. The problem: we have a server in a datacenter colocation, this server is connected to the DC network and has ...
-1 votes
1 answer
475 views

Proxmox Mail Gateway - Relay access denied from Unknown Address

Today I found a strange looking traffic in the Tracking Center Should I be alarmed by this or is this normal? to me it seems very strange.
3 votes
2 answers
4k views

Possible to start a RAID1 setup with a single drive?

Can I start a ZFS pool with a RAID1 setup using a single drive, and then add another one later? Running Proxmox VE 7.2
0 votes
3 answers
643 views

Before-snapshot script hook for Windows guest on Proxmox?

I have a Proxmox server setup with a Windows 10 guest that will be running MSSQL Express. The Windows guest has QEMU guest agent installed and working. For backups, I have a separate server running ...
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0 answers
98 views

Prevent vfio from loading for ethernet and wifi devices when using it for GPU

00:1f.4 SMBus [0c05]: Intel Corporation Comet Lake PCH-V SMBus Host Controller [8086:a3a3] DeviceName: Onboard - Other Subsystem: Micro-Star International Co., Ltd. [MSI] Comet Lake PCH-V ...
0 votes
0 answers
47 views

ZFS Not Recovering Space

I've certainly made a few rookie mistakes when setting up my first ZFS from a 4 drive array (14tb platters), mainly forgetting to change the block size from default. However I am missing space in my ...
0 votes
1 answer
514 views

How to start a Proxmox VM on Windows w/ Qemu

I'm trying to start a Proxmox VM using the qcow2 image on Windows using Qemu, however I can't figure out the correct parameters to start the machine. Based on my settings in the Proxmox Web UI: I ...
3 votes
2 answers
418 views

iptables 1:1 NAT with reflection second public IP to local IP

I would like to setup a 1:1 NAT + reflection with iptables, so really forward everything which arrives on that one public IP to my internal VM. Background Info: I have a dedicated server running ...
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2 answers
1k views

Assigned second public IP to VM from outside not reachable

I have a dedicated server running proxmox with a mixed configuration, NAT based network configuration for all VM's and routed network (brouter according to hetzner docs) (see below) for one particular ...
0 votes
1 answer
822 views

LVM not recognised at startup, system does not boot (PROXMOX VM)

I'm facing a problem I don't know how to fix. I was trying to reduce size of a qcow2 file and I made a backup copy of the original file. After some problems with the reduced qcow2 file I decided to ...
0 votes
1 answer
555 views

Kernel Panic after interrupting installation of Proxmox 7.3 [closed]

I tried to install Proxmox 7.3 on my newly built homeserver. The install hanged for 10 minutes at the first step which was wiping the ssd, so I rebooted the system, thinking it was frozen indefinitely....
3 votes
2 answers
5k views

Limiting ARC Size for the proposed system

I have a pool of 5 x enterprise 12Gps SSD that I use for internal storage for a proxmox server. This pool is used to stand up VMs and containers. The problem is that it is eating up a lot of my ...
0 votes
1 answer
740 views

Is there a way to create a bridge using interfaces with static routes?

For context, I'm setting up a 3-node Proxmox cluster for personal use and am setting up 2 different mesh networks on 4 interfaces (2 interfaces per node for each mesh network). That way each node has ...
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0 answers
436 views

Raw file in proxmox

I created a vm in proxmox. Now i need to use my astra.raw file. I saved raw file in /tmp. How i can import my astra.raw file in VM? I try to use sudo qm importdisk 220 astra1.raw tmp and feetback was ...
4 votes
3 answers
21k views

How to shrink the disk of a LXC container on Proxmox 4?

I would like to shrink the main disk of a LXC container on a Proxmox VE 4.2, from 30GB to 20GB for instance. Shrinking seems not to be supported yet : $ pct resize <VMID> rootfs 20G unable to ...
0 votes
1 answer
123 views

How to activate HD indicator lights on Dell PowerEdge 710 in Linux

I have a particular drive that is failing (/dev/sdb) I need to replace the failed drive but I am not sure which it is... I should have documented what drives were in what slots and what their devs ...
0 votes
1 answer
3k views

How to change ZFS RAID 1 to RAIDZ-1 (Proxmox)

I have a server using proxmox (6.1) with VM living in a ZFS RAID1 called DATARAID. I have a new hard disk to use there, and I want to expand to RAIDZ-1, that seems to be faster that RAID1 (https://...
1 vote
1 answer
2k views

Migrate Proxmox VM with VZDump to a system with just QEmu?

So I have a VZDump of a Proxmox VM image. What I want to do is import this to QEmu. How would I go about doing this? So far the results just show me Proxmox to Proxmox and not Proxmox to QEmu.
0 votes
2 answers
3k views

install grub in a usb and boot proxmox from another drive

Good morning my friends! I'm tryng a solution before buy some new hardware. So this is my situation: I have some beautifull hp dl360p gen8 that comes with an p420i hardware raid controller. What ...
0 votes
0 answers
268 views

Proxmox Networking configuration with multiple VM

I have purchased a dedicated server from Hetzner and it comes with a single IP address. I installed Proxmox and now this IP is used to access the web portal. I got another IP address for a VM on this ...
2 votes
1 answer
2k views

Proxmox VM dependencies and startup order

I have a Proxmox node running multiple services. Each service consists of multiple VM's, for example, reverse proxy, database and application server. Some VM's within a service depend on other VM's of ...
0 votes
0 answers
581 views

How can I force Proxmox resident set size (RES) memory to return to node?

I am running Proxmox and have noticed that multiple VMs that have Ballooning enabled are reserving memory even after they no longer need it and the nodes RAM usage is above 80%. This is causing other ...
0 votes
1 answer
3k views

Proxmox VE (routing and port-fowarding issue)

I have installed PVE, I received three public Ip address two of them are in the same range, the third one is in different range. I wanted to give PVE host one pub IP to be reachable externally, and ...
1 vote
0 answers
605 views

Need help regarding NFS shares permissions

I recently switched to using Proxmox as my OS of choice from OMV as the main OS and running a bunch of docker containers on the same host. I installed OMV (OpenMediaVault) inside a VM. I passed ...
1 vote
1 answer
622 views

Possible to move VM with a dedicated drive to a bare metal server?

I have several VMs running on Proxmox, each with a dedicated SSD. I need to move each one to it's own bare metal server. Would it be as simple as removing the drive and placing it in the new server, ...
1 vote
1 answer
54 views

mdadm using double disk space

My mdadm raid1 2 disks array seems to work good. It is a 2 500GB array, shared over samba as proxmox bkup disk serving 2 nodes. By the way, even if the size of the sum of the files is actually about ...
1 vote
0 answers
507 views

Setup ansible module proxmoxer

I got near zero skills with ansible. I need to setup the proxmoxer module to do verify_ssl=false because i have this kind of error : requests.exceptions.ConnectTimeout: HTTPSConnectionPool(host='...
3 votes
2 answers
714 views

How to route host traffic over lxc?

Some info updated: Last login: Wed Aug 31 18:10:24 2022 root@pve:~# ip route default via 192.168.132.1 dev vmbr0 proto kernel onlink 192.168.132.0/24 dev vmbr0 proto kernel scope link src 192.168.132....
0 votes
1 answer
2k views

forwarding proxmox vnc websocket with nginx

I installed nginx in order to be a lazy person and just go to proxmox.domain.com instead of proxmox.domain.com:8006, but now I can't access the VNC client when connected to the first address, although ...
-5 votes
2 answers
1k views

Encryption at rest for VM storage in a hypervisor done properly/elegantly

Given a very simple infrastructure - a single machine running a hypervisor(Proxmox if it matters), I want to achieve a good data protection against the hardware being stolen. Let's say there are ...
1 vote
0 answers
438 views

Host unreachable from a specific host

I'm encountering a weird issue where connections from one VM (A) to another VM (B) systematically time out, in both ways. Symptoms: ping A from B hangs (as well as anything else I have tried such as ...
1 vote
1 answer
2k views

How to allow vpn clients to access lan servers

I need some help understanding how to allow the vpn clients to access servers that are on the "intranet". I have one dedicated/physical server at ovh(if that matters) with 4 additional ips. The OS ...
2 votes
2 answers
4k views

Proxmox on Hetzner, single IP, routed configuration

Alright, I'm at my wits end. I am trying to configure a ProxMox on dedicated server at Hetzner, which has one public IP, so I want to use NAT for VMs / containers. I read all the manuals, and tried to ...
1 vote
0 answers
1k views

Multiple DHCP NIC and local LAN - Debian, Proxmox

tl;dr: How can i get 3 NIC to route, backup/failover and communicate together? I got a proxmox server with 3 NIC vmbr1: company lan - dhcp (engineering department) vmbr2: robotics network (static) ...
0 votes
0 answers
369 views

Unable to remove ZFS cache device created on another operating system

I used to run SmartOS (Solaris) on a server, but recently moved to Proxmox (Linux). A non-root zpool that was exported from SmartOS was successfully imported to Proxmox - except for the cache device (...
0 votes
3 answers
6k views

configure dnsmasq to give out addresses in different ranges

I'd like to give unknown clients an ip address in one range and known clients in another (that is a static one). I tried quite a lot now and don't seem to get it working. All I get is an "no ...
0 votes
1 answer
2k views

NFS Server hangs on proxmox

I have a proxmox host running BTRFS. I installed debian 8.4 on my server with BTRFS as root filesystem, and then installed proxmox on top of that. This setup runs fine. Now I'm trying to use this ...
1 vote
1 answer
650 views

kvm / proxmox 5 - virtio_net slow network 5Mbit, sometimes 900Mbit in opposite or both direction

Environment: several PROXMOX 5 (KVM) servers (kernel: 4.15.18-30-pve) VMs running Debian 9, 10 and 11 (vitrio /qemu-guest-agent current version of the respective Debian version) network cards ...
1 vote
2 answers
3k views

Proxmox Ceph - Got timeout on separate network

I've installed on 4 nodes a completly fresh OS with Proxmox. Every node has 2xNVMe und 1xHD, one NIC public, one NIC private. On the public network there is an additional wireguard interface running ...
22 votes
6 answers
33k views

Why am I missing /var/run/sshd after every boot?

I'm running a Ubuntu 16.04 container under Proxmox 5.2-11. After applying the latest round of patches1 I'm unable to login at the console or over ssh. I mounted the container root FS on the ...
0 votes
1 answer
95 views

Proxmox/Ubuntu LVM issue - Exec format error

I've ran apt update / upgrade on my proxmox server and now I can't seem to boot it into the new kernel (didn't pay too much attention on the update). Any ideas? I can't seem to figure out what's the ...
0 votes
1 answer
887 views

Proxmox container moved to the wrong machine and now it is trapped there

I have a HA proxmox cluster with three nodes. I have replication between two nodes. Each of those two nodes have a ZFS pool that is used for replication. I have replication rules setup between those ...
0 votes
1 answer
2k views

Routed IPv6 on internal bridge with virtualized OPNsense router

I'm struggling with adding IPv6 to the internal bridge of my setup, here is what I have: ┌────────────────────────────────────────────────────────────────────────────────────────────────────...
0 votes
0 answers
545 views

Linux Port Forwarding Issue

i don't see the trees anymore. Any hints are appreciated. I have a root server and installed proxmox, i only have one public ip. Went with a routed setup. Set up some basic stuff like 2FA and TLS ...
3 votes
3 answers
406 views

ZFS and SAN: issue with data scrubbing

Working as scientists in a corporate environment, we are provided with storage resources from a SAN within an Ubuntu 20.04 virtual machine (Proxmox). The SAN controller is passed directly to the VM (...
0 votes
2 answers
861 views

Can Proxmox cluster be configured with dedicated nodes at Internet

Is it possible to create a cluster of Proxmox hosts connected through Internet at geographically separate locations?
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2 answers
653 views

How to deal with dynamic drive name when device mounting hard drives to LXC on Proxmox?

Question Setup On a Proxmox server I create an LXC container with: pct create 101 local:vztmpl/centos-8-default_20201210_amd64.tar.xz --features mknod=1,nesting=1,fuse=1 --ostype centos --storage=CTVM ...
2 votes
1 answer
2k views

How can I reconfigure a Linux guest in Proxmox to use a virtio-based HDD instead of IDE?

I'm running Proxmox 3.3.1 to host a virtual machine running Linux (64bit, kernel version 3.2.0). The virtual machine uses a 512GB HDD which was unfortunately configured to use the ide driver when ...

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