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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Adding SAS/RAID controller disables network ports. Why?

I've built a NAS that has been running well for months. I recently decided to add a LSI MegaRAID SAS 9260CV-8i L3-25377-02B 8 Port 6GB/S SAS RAID Controller to it with a couple of additional 12TB HHDs ...
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Having some issues with proxmox bridge on Hetzner

So, i'm having 1 main IP and 1 addition IP that I've ordered for the server. Main IP: xxx.xxx.200.200/27 Additional IP: xxx.xxx.202.175/27 This is my bridge configuration: auto lo iface lo inet ...
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Controlling drive LEDs on a HP DL380e G8

Having discovered ledctl via Physically Identify the failed hard drive I've been trying to use it indicate a drive to pull from an HP DL380e G8 server running Proxmox, but ledctl locate=/dev/disk/by-...
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Hot swapping physical disks passed through to a qemu VM

I have a virtual server running in qemu on proxmox. It has two physical disks attached to the host using a virtio: directive in 101.cfg as folllows virtio2: /dev/disk/by-id/ata-vol1,backup=0 ...
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17 views

Proxmox for enterprise environment

I'm in a process of upgrading existing server infrastructure witch consists of couple of self-built servers running XEN. For management reasons XEN is not ideal, because requires advance console ...
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Directing traffic from WAN to specific VM [closed]

I have a single WAN IP address and behind it I have a Proxmox server. On my router (Ubiquity EdgeRouter POE) I have ports 5060 and 10000-20000 forwarded to the Proxmox server's LAN IP address. ...
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Proxmox how to remove disk from node

Am new to proxmox wondering how can we remove disks from proxmox as you can see i have somes disks mounted What i did to remove them systemctl disable mnt-pve-ISOs.mount umount /mnt/pve/ISOs i ...
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42 views

PHP binaries are deleted every hour for no apparent reason and other issues

Since yesterday I am fighting with very strange issues on one of our servers. Environment: We use proxmox to run few LXC containers based Debian virtual machines. Yesterday night something happened ...
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Ubuntu 20.04 container failing to startup in Proxmox

Hello I have created a Ubuntu 20.04 and 18.04 container in Proxmox and both return the same error when I try to start them up after creating the container via the Proxmox GUI. They fail to start and ...
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28 views

The same IP on physical and virtual interfaces Proxmox

look i have old working Proxmox server which have this network config: auto lo iface lo inet loopback auto enp3s0f0 iface enp3s0f0 inet manual auto vmbr200 iface vmbr200 inet static address ...
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Proxmox VM provisioning with ansible - how to run task on created vm?

I've got 3 tasks in my playbook that operate on hypervisor supplied in hosts file - create vm from template with preconfigured network settings, customise its parameters, power on and from that point ...
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959 views

LUKS high transfer rates followed by high io wait

I'm currently setting up a server on Proxmox VE. I wanted all drives to be encrypted so i chose to setup luks on all disks and on top of luks i set up LVM. Now when I'm transferring data from a fast ...
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Debian network interface error

I have a Proxmox server which i can't access the GUI on. The server is dell r710 and it worked perfectly, untill when i starter messing with the network configuration. Proxmox use debians networking ...
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48 views

Huge IO performance degradation between proxmox ZFS host and WS19 VM

For more than a week, I am trying to determine the reason for the following IO performance degradation between proxmox host and a Windows Server 2019 VM(s). I have to ask for your help guys because I'...
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Slow transfer using NFS on one server (Proxmox reason ?)

It was hard to choose topic for my question so I describe my problem. I have two servers with Proxmox (SERVER1 (proxmox version: 5.4-13) and SERVER2 (proxmox version: 5.2-12)) and two NFS servers (...
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Proxmox NAT issue

I have a proxmox server with 1 public ip that is natted to internal network, on which i have 2 vms: VM 103 - 10.10.10.3 VM 103 - 10.10.10.4 I have also setup some port forwarding from the public ip ...
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11 views

Communication issue between linux containers

I've a network related issue. On ProxMox VE 6.1-8 I have several LXC containers, all based on debian 10.3. All containers are connected via two bridges: vmbr0 connected to the physical ethernet port ...
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44 views

Linux VLANs with single-port NIC - unable to get connectivity to other hosts in VLAN?

I have a 4-node Proxmox cluster (Debian Buster). I've been banging my head against the wall trying to get the VLAN configuration working. Essentially, I have a single NIC port (100Gbase-LR4). I ...
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35 views

After resize and after reduce get error on parted

Scenario I expanded the disk space, from a kvm in proxmox. By mistake expand instead of 50 GB expand 500GB Well, when I did the vps check with dmesg | grep vdb and with fdisk -l /dev/vdb | grep ^/...
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Increase LVM storage after expanded RAID5 by 4TB?

So I've been running 3x 4TB (ST4000VN008-2DR166) in RAID5 for quite a while and wanted expand it, by adding a fourth HDD. The migration was successful and the RAID Controller (LSI MegaRAID SAS 9261-8i)...
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46 views

Proxmox IPv4 inward routing not working

Yesterday I realized that one of my LXC containers on a Proxmox server needed to access github.com, therefore I had to add IPv4 support (really Github?). I added a /29 subnet to the internal network ...
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317 views

Proxmox VM can't ping outside but host

I'm trying to configurate my proxmox but something is faulty and I cannot see what really it is. I hit almost every google search result and almost every post on the forum and still can't see what ...
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46 views

Can't Access Main Proxmox Node

I'm able to SSH to Proxmox main Node using Putty however when I try to ssh this node from a VM or even from another server I can't getting an error message ssh: connect to host x.x.x.x port x: ...
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base-files installation error: new info file /var/lib/dpkg/tmp.ci/conffiles

I recently wanted to update my server with apt update and apt full-upgrade. The following error occured: dpkg: Error while processing the archive /var/cache/apt/archives/base-files_9.9+deb9u12_amd64....
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Why can't we ping the gateway on our Open-vSwitch network configuration on Proxmox 6.1-3?

We are trying to get open vswitch working on 10 hosts running Proxmox 6.1-3. We think we have a configuration that should work, but it doesn't and we can't ping the gateway. These are hosts with 4 ...
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195 views

MacOS on Proxmox Installation

I found a great tutorial how to install a MacOS on Proxmox VM which I've followed until I reached the installer step which is not allowing me to contain giving an error message "Installer Can Continue ...
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168 views

Bad Linux storage performance, in comparison with Windows on the same machine

(the question was reformulated, I think it needed to be more structured) We have a Proxmox VE on Dell PowerEdge R610 gen 8 system. The platform is old, but we use it for particular S/W which is well ...
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25 views

Virtual machines in proxmox did not work when proxmox was rebooted after power cut

Virtual machines in proxmox did not work when proxmox was rebooted after power cut The Proxmox Machine was shut down suddenly (for example, when the electricity was cut off). Then this machine was ...
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240 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://...
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NAT happens before routing

I am currently building a private cloud cluster using Proxmox. My cluster contains a head node and two compute nodes. My head node hosts a NAT server and openvpn server, and three NICs: one for ...
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Proxmox/KVM Bridged networking breaking ssh connection

I'm running into an issue with Proxmox/KVM. I have setup a second bridge (vmbr1) that covers the IP space 172.16.1.0/24. I have assigned 172.16.1.1 to vmbr1. The vmbr1 is setup according to this. I ...
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Proxmox - OpenVZ, incorrect disk use after crash

I've got a box running OpenVZ Containers on Proxmox. Yesterday the Proxmox machine locked up for a few minutes then returned. One OpenVZ Container, which was at 96% disk usage for a 250Gb disk size, ...
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29 views

Proxmox problems with disks?? Keep getting different exit codes

I recently bought a server. This server has 2x 4core xeon and 28gb ram. I installed Proxmox on it and when I try to make a directory it keeps spitting out exit codes. These are the exit codes! Can ...
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427 views

Proxmox Routed Network Configuration on Hetzner Server

I have a server from Hetzner with Proxmox installed My host machine has an IP address like xx.xx.69.241 I requested some additional IP addresses from Hetzner and these are my additional IP ...
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35 views

Is there any reason to keep firewalld running on a virtual machine with host firewall?

I'm setting up a CentOS 8 virtual machine created under Proxmox. Even when I choose the minimal install, I'm getting firewalld installed and enabled by default. If I activate Proxmox's built-in ...
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Ceph Clock Skew

I want to know where I can configure the limit of skew time for my ceph monitors. Also,how does CEPH throw this clock skew error? Specifically from which file and where can I find the file so that I ...
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Ubuntu LAMP server suddenly refuses connections

I'll start off with the setup: Ubuntu 18.04 Server with LAMP Stack with WordPress VM in a Proxmox 5 Hypervisor 1 OB 1Gb NIC (pve Gui) 3 TPLINK 1Gb NIC 1 quad port Intel NIC Domain hosted through ...
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146 views

Lost connection to the server after adding new bridge to network configuration

In a Proxmox server (Debian), I changed my network config from this: source /etc/network/interfaces.d/* auto lo iface lo inet loopback auto enp0s31f6 iface enp0s31f6 inet static address 88....
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Proxmox: How to replicate runnable VMs

I am quite new to Proxmox 6.0 and just started to learn clustering. I am running a test environment with an HP Proliant and an IBM rackserver (both have just one fat partition and the dataformat is ...
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prevent take over of a SPICE-Remotedesktop

i#m locking to remove a VirtualBox VDI environment with Proxmox. Which seems fine BUT there is one open question with SPICE and that is: is it possible to prevent the take over of a existing SPICE ...
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121 views

Apache2 not working with port 80 but working on port 8000 in Proxmox (same configuration)

Some months ago I hired a Kimsufi server, I tried to forward ports without luck. I abandon the server, some days ago I started to reconfigure everything again, but I'm having still problems. I ...
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30 views

Connecting to proxmox web GUI via hamachi

I have a server with multiple network adaptors. I have installed proxmox, and hamachi on that. I want to be able to access the web GUI through hamachi as I am not able to port forward or have both the ...
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ISCSI MPIO Extra devices, and is there meant to be an mpath0-part2?

I am trying to learn more about ISCSI and Multipath (MPIO) setup on a proxmox system. I thought I had everything working, but have that terrible spidey sense that something is incorrectly configured, ...
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35 views

Virtualisation primary GPU

The Server is running on Proxmox VE. My goal is to use any GPU in a VM. So I blacklisted nvidia noveau radeon amdgpu to ensure all GPUs are correctly accessible to assign the VFIO driver. I've added ...
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127 views

Automatic port mirroring in OVS without duplicate packets

Here is the thing: I need to setup a port mirroring configuration in Proxmox and OVS in order to monitor all traffic from VMs and send them to an IDS. This configuration should not generate duplicate ...
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1k views

Proxmox VM Very Slow Performance

I'm new in proxmox, I just installing proxmox on my pc core i5/3.5ghz/15gb/500gb sata And I installing windows 7 with 4gb vram and 4 core proc. But when I trying to console it the response is very ...
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164 views

Emulex OC10 CNA card be2net twinax No Link

Recently we bought 3 Emulex OC10 cards to try in our proxmox test setup. They are the IBM type 49Y4201. The goal is to setup a normal 10G ethernet connection(so no iSCSI or FCoE) in Linux. The cards ...
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307 views

Create VM from raw file in ProxMox

I created a snapshot of a VM in ProxMox and generated a raw file of a VM. That ProxMox of mine is runnning into problems and i need to create a VM in another ProxMox using that raw file... The raw ...
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68 views

How to realize vma backup with proxmox from command line?

I have a problem with my proxmox node, I have to reconfigure the server disks, since having them badly configured, I cannot perform snapshots quickly since they are badly mounted and the io is very ...
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104 views

Proxmox Centralized Management

At my workplace, we use a lot of Proxmox servers, on various locations (some are on premise, some are hosted by hosting companies). As we are currently managing about 20 proxmox hypervisors, we would ...

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