Proxmox Virtual Environment (PVE for short) is an Open Source Server Virtualization Platform, based on Debian, KVM and OpenVZ.

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ProxMox I/O Errors on EXT4 FS [on hold]

I recently got ProxMox up and running after months of deliberation as to which HyperVisor I wanted to use. Last night I almost finished transfering my applications to containers and the system was ...
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36 views

How slow can be a QCOW2 vm disk (proxmox/KVM) over NFS (dedicated 1Gbit)?

I'm running 3 proxmox 3.4 nodes using NFS shared storage with a dedicated 1GB network switch. root@lnxvt10:~# pveversion pve-manager/3.4-11/6502936f (running kernel: 2.6.32-43-pve) root@lnxvt10:~# ...
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21 views

Proxmox: recreate CT from “.raw” disk image

I crashed a Proxmox 4 server beyond repair and some some of my CTs I don't have a dump file, all I have left is .raw disk image. So my questions are: where is the CT's ".conf" file once /etc/pve ...
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22 views

Linux / Proxmox KVM machine boots unreliable after migrating to other server

I have a KVM VM running on a Proxmox 2.3 server. The Guest OS inside the KVM machine is an Ubuntu 12.04 LTS 64 bit. I took a consistent backup of the VM (Proxmox VE backup function) and restored the ...
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56 views

Proxmox/KVM: Can not clone VM

I would like to create a clone of a KVM machine - yesterday I was able to create a clone of the same machine within some minutes. Now it takes hours and is still stuck an "0%": create full clone of ...
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38 views

Ethernet over GRE bridging - Proxmox

I'm trying to install two proxmox on Online.net server's, and I just realized that their RPN feature doesn't work at all like the OVH vRacks. Since I need the different VM's on both hypervisors to be ...
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102 views

Add a second disk image to a LXC container in Proxmox 4

My LXC containers in Proxmox 4 have a root filesystem stored on the host as a RAW disk image stored in : /var/lib/vz/images/<ct_id>/vm-<ct-id>-disk-1.raw This folder on the host ...
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71 views

Proxmox 4.1 and Dell MD3200i Storage Array

I try add Dell MD3200i Storage Array to Proxmox 4.1. In Proxmox GUI i configure iSCSI and LVM storages, and try create container on attached disk - process hangs on "Creating journal", but in log i ...
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71 views

Proxmox LXC-guest: Cannot open /proc/stat: Transport endpoint is not connected

since a few seconds I can not use htop or top in my LXC-containers: Cannot open /proc/stat: Transport endpoint is not connected Same problem on reloading php5-fpm Dez 18 13:40:31 systemd[1]: ...
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45 views

IOTOP on LXC -> Netlink error

unfortunately I can not use iotop on proxmox-lxc-container and debian 8 template. This is the output: Traceback (most recent call last): File "/usr/sbin/iotop", line 17, in <module> main() ...
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6 views

Does LXC support IPSET6+?

I would like to use a new firewall-extension for PLESK on a Proxmox-LXC. Now the support of the firewall-extension wrote me this message: Does LXC support ipset 6+? If not then I wouldn't ...
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53 views

Windows 2008 partition cloned from physical to VM won't boot

I'm trying to clone Windows Server 2008 from a physical 1TB HDD to a VM with smaller HDD (160GB) in proxmox (KVM). This can't be done with Clonzilla's disk-to-disk mode, so I resized the partition ...
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7 views

configure burst ram for openvz container

Can somebody help me out as to how can we set the burst ram for OpenVZ container using proxmox API. I tried using the following command but with no success: pvesh set /nodes/pve/openvz/{vmid}/config/ ...
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59 views

Hetzner Windows server (On Proxmox KVM) Configure Additional IP

I have a dedicated hosting with hetzner. Additionally i have bought one IP My main IP is: 5.9.x.15 My main subnet is: 255.255.255.224 My additional IP is 5.9.x.13 My proxmox got config like this; ...
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23 views

Server shuts down unexpectedly

I have dedicated server with centOS installed on it. Inside this, I had installed Proxmox VE (Virtual Environment). Again in Proxmox I had installed centos and centos web panel. The server inside ...
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46 views

Are ssh keys supported by Proxmox for logging into host and guest?

Does Proxmox allow for securing guest logins with keys such as RSA or is it password based only? Can the host be secured ssh keys too?
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19 views

Cant set extra option to VPS in proxmox 3.4

I am using Proxmox VE 3.4 to create an openvz container...i was able to create a vz container but i want to know are the advanced option like VNC, ppp, tun tap feature available in proxmox VE on any ...
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40 views

Reach VM from other VM via host's public IP

Here is my config: my proxmox host is set on public_ip my vm1 contains a gitlab up and running with source code for project1 my vm2 contains a test version of project1 I rerouted all traffic to ...
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37 views

apache2 Reverse Proxy URL mapping will not apply

My eventual goal is to use an existing Apache2 server that we use to reverse proxy to our development servers to also map to the web UI for the vm hosts behind our firewall as well. I can get the ...
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14 views

Iptables vm no outbound connections

I'm currently running Proxmox with a couple of vms. Unfortunatly i only got 1 public ip so i tried to work with nat. Problem is, i can't get outbound connection from my vms. Inbount connections to the ...
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43 views

Proxmox safely remove node from cluster without deleting vms

I have 2 nodes, each of them on a separate device. I joined the second node to the cluster to migrate a copy of one of the VM's to it. Now I can't login to the web manager of it, just can login to ...
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44 views

DMAR errors on KVM PCI passthrough, server freezes

I'm using Proxmox VE 3.4.9 in a 7 nodes cluster, and I'm having some stability problems on the 4th node. Sometimes I have a very lot of error like these: Nov 17 09:48:30 node4 kernel: DMAR:[fault ...
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83 views

Proxmox routed network,“Destination Host Unreachable” on external IPs from node to guests

I've set up a Proxmox system and have 2 guests running successfully on it. They are able to be accessed on the private network that I have set up, and are able to get out to the internet ok. I'm ...
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48 views

local storage on proxmox cluster, how to make it really local?

I am playing a bit around with proxmox cluster. I have 2 servers. One of them, lets call it Virt01, has an extra disk, for storage. I created a new extra local storage withis thuis disk, but proxmox ...
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25 views

Gateway not working - traffic not routed

im building currently a container structure with 3 networks on proxmox. The final structure looks like that: network structure I've created the container proxy, mail and hosting to simulate all ...
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1answer
26 views

DHCP Server Offers, But Client Doesn't Accept

I currently have a development node that runs KVM virtualized VMs. There is a DHCP server running on the node to provide addresses to the VMs. I had DHCP working previously, but I reinstalled one of ...
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94 views

lxc-attach command with redirection

I'm setting up for a Proxmox 4 server a script that migrates OpenVZ dumps from a Proxmox 3.4. The scripts scp the backups, restores them and so on. At a time of the process, I'd like to wipe ...
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525 views

How to migrate a regular LXC container to a Proxmox LXC container?

How do you migrate a regular LXC container (from another or the same server) to a Proxmox LXC container, which can be accessed via the Proxmox web GUI? For example, I have a container created by ...
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380 views

Debian container unable to start after migration from OpenVZ to LXC on Proxmox 4

After migrating a Debian 7 OpenVZ CT from Proxmox 3 to a LXC on Proxmox 4 it does not appear to start correctly. Fristly, migration was done by stopping the container on Proxmox 3, backing up to ...
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287 views

Proxmox KVM fails to start

My new server is Fujitsu Primergy RX1330 M1 with Intel® Xeon® Processor E3-1220 running either Proxmox V4 or Proxmox V3.4 i have this problem : When i create a new virtual machine, during the start ...
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154 views

Best Free Hypervisor with HA [closed]

We have been running the free version of Citrix XenServer for about 2 years now and it has worked OK for the most part, but we have also had our issues with it. (problems with bootloaders on various ...
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145 views

Live Backup using Proxmox's snapshot-drive command

I have a KVM server(not on a proxmox node), my VPS is based on qcow2 format and I would like to do a live backup of the vms. I have understood there are two types of backup, Internal and External, I ...
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34 views

Proxmox routed network mit multiple external IPs

I've got the following IP Addresses: **Main-IP**: 85.xxx.109.203 Gateway: 85.xxx.109.1 Netmask: 255.255.255.0 **Additional IPs**: 85.xxx.154.15; 85.xxx.154.18; 85.xxx.154.21 ...
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1k views

network configuration (bridging) proxmox

I bought yesterday an proxmox license. All works fine only the network configuration is very complicated. My network configuration: 84.200.50.186 -> hostsystem ip 84.200.50.186 -> VM ip ...
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53 views

Port forwaring with iptables generate 404 error on apt-get

I have a server with Proxmox OS installed and some virtual machines inside. Following a guide found on the web i modified my /etc/network/interfaces like shown below to create a virutal interface ...
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45 views

Multiple public IPs routed via Cisco ASA to Proxmox VMs

I have a network with IP 199.221.2.136 (/29). I would like the Cisco ASA5505 [1] to work on .137 as router and use two public IPs (.138 and .139) on two VMs on a Proxmox server. Not sure how to route ...
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191 views

How to use vhost-scsi with Intel P3700 NVME SSD in KVM

I am using proxmox beta 4 in my HP DL 380 server with KVM. I configured Intel P3700 NVME - nvme0n1 as Virtio and on windows server 2008 r2 with virtio-scsi driver. I am getting 100 K random IOPS ...
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50 views

LVM partition says no space even though it's not

I'm trying to do backups on my Proxmox both to an NFS share. The NFS share is on an Ubuntu (14.04) server with a 2TB HDD separated into 2 x 1TB partitions with LVM. For some reason (looking with ...
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111 views

What does the “m” mean in Proxmox CPU Usage?

In Proxmox 3.4-6, on the y axis of the CPU usage chart, sometimes it shows an "m" after the number. What does the "m" mean? Thanks.
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262 views

can't initialize iptables table `nat' in Proxmox Openvz vm

When I tried to run an iptables command in the Proxmox OpenVZ vm, I got the following error: # iptables -t nat -A POSTROUTING -o venet -j MASQUERADE && iptables-save iptables v1.4.21: can't ...
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85 views

Proxmox-Server: Extremely high load during deletion-task of old backups

I'm using Proxmox to get some VPS. In Proxmox I set up some backup-tasks which are running fine. BUT: The backups are stored in big files (each backup has round about 300GB) so I can not store more ...
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87 views

Proxmox Virtualized Client (Network Configuration)

first some information about me. I ordered a server from ovh and purchased one failover ip to test proxmox and do some training. The main Server is hosting proxmox(Example IP: 123.45.67.89 to figure ...
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362 views

Can't install VirtIO Network Adapter in Win 7 Guest

I am playing around with different hypervisors, and I'm on to Proxmox VE. I setup an old server to test it out on, and installed Windows 7 as my first VM, using virtio drivers for everything - ...
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236 views

How to assign dedicated vCPUs to specific VM on Proxmox (KVM) or what system could do that?

I'm posting this here, because what I've found about the topic is either outdated, incomplete or not suitable for various reasons. I have wanted for a long time to learn how to map specific vCPUs to ...
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202 views

Proxmox VMs Fail to start on reboot due to unmounted drives

For whatever reason, I have to re-assemble my RAID arrays on boot, I don't know why, and Ive banged my head against my desk over that issue to much already, so I put the RAID mdadm commands in ...
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429 views

admin panel on port 2030 in CWP is not opening [closed]

I have dedicated server with centos and proxmox ve. Also made virtual machine with centos 6 and centos webpanel in proxmox. From last four month I'm using this and everything is working properly mean ...
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342 views

Setting up veth in proxmox

I have recently taken over an openvz stack from an admin that left, and I am having problems with veth interfaces. There are 3 CTs using the bridge vmbr0 in the stack, with their own public IP ...
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136 views

Cluster vs Virtualization [closed]

I’m working in releasing a video hosting website (files are from webcams) Each file size will be less than 1 mb. I would like to be able to easily extend my storage capacity and have high ...
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62 views

Mount VM filesystem on host

I'm using Proxmox for virtualization and I need to mount my KVM VM filesystem inside the hypervisor. Is this possible without shutting down my VM? Basically, I need a script that could do following ...
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239 views

Multicast on mGRE tunnels in Debian not working

I'm trying to setup multipoint GRE tunnels within 4 debian-based servers geographically distributed. Network configured, and hosts can see ping or ssh to each other by local IP. But I cannot get ...