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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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How to access Internet on a proxmox VM guest with one public IP?

I have a proxmox server with one public IP. I configured a DHCP / bastion / router server with alpine linux. This is the /etc/network/interfaces file in proxmox host. I followed this from proxmox doc: ...
DarkDead's user avatar
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Save private key passphrase OpenVPN on debian

I installed the OpenVPN 3 client on my debian bookworm, but every time I start the daemon it says Private key passphrase:. How can I store the passphrase? It's annoying type the password every time I ...
Franco Fischer's user avatar
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LXC (Proxmox) container with slow web server performance

I'm running Proxmox 8.2.4 on Debian 12 on a dual Xeon 4309Y (128 GB RAM/1 TB SSD) system and experiencing extremely bad web performance on my first container when I access that container externally. ...
Timothy R. Butler's user avatar
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2 answers
50 views

How do I set "necessary access levels" on an proxmox API token?

I'm setting up a Zabbix template for proxmox (Proxmox VE by HTTP) and ran into something that didn't make sense. Please provide the necessary access levels for both the User and the Token: Check: [&...
mr.zog's user avatar
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1 answer
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Zabbix Proxmox VE by HTTP template documentation is not useful

https://www.zabbix.com/integrations/proxmox This document desperately needs to be updated. I was able to create an API user and apply settings similar to what is specified in the doc but I'm not ...
mr.zog's user avatar
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0 answers
28 views

Data corruption in Windows Server VM on Proxmox

I ran into a strange data corruption issue in a VM running on Proxmox VE which I need help with. The VM in question is Windows Server 2016 Standard, used primarily as a file server. On this VM, I ...
Andreas_DE's user avatar
1 vote
1 answer
132 views

Proxmox storage full and unable to clear [closed]

I received status io error couple days ago and my VM quit working. After clearing some iso images I can get my VM running again. Problem now is, my /dev/sbd1 is showing 91% full. This particular drive ...
James's user avatar
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ProxMox VM doesn't have any network

I have an ProxMox and I been trying for 4 days to fix a debian VM on it having no internet, I have 4 additional IPv6 and I been trying to setup a VM with one but it doesn't seem to have any networking ...
Studio Xyz's user avatar
1 vote
0 answers
34 views

iSCSI LUN Unrecognized During High Usage by Proxmox Guest VMs

I'm experiencing an issue with my Proxmox setup where the iSCSI LUN becomes unrecognized during high usage by guest VMs. The VMs have their disks backed by this iSCSI LUN. Initially, everything works ...
cyberquarks's user avatar
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1 answer
64 views

Ceph - Too many objects () are misplaced;

I'm currently running a 3-Node Hyperconverged Proxmox/Ceph cluster. I'm in the process of transferring a large amount of data (100TB+) from an old unRAID instance to the new cluster infrastructure. ...
Ryan Jeremiah Freeman's user avatar
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proxmox stuck at "Loading initial ramdisk" after changing /etc/modprobe.d/vfio.conf

Hello fellow server admins, I have a proxmox hypervisor for my VMs and the file system is raidz1. Today I was wondering if I could install an nvidia card and run 3D Applications so I found a promising ...
eraikun's user avatar
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108 views

Error creating LVM - create storage failed: command '/sbin/pvs --

How to work around this error (when trying to make an LVM): create storage failed: command '/sbin/pvs --separator : --noheadings --units k --unbuffered --nosuffix --options pv_name,pv_size,vg_name,...
cyberquarks's user avatar
3 votes
0 answers
120 views

Issue with MTU 9000 Configuration: Jumbo Frames Not Working

Problem Description I'm experiencing issues with configuring jumbo frames (MTU 9000) on my network. When I set all relevant interfaces to an MTU of 9000, connectivity fails for larger packet sizes. ...
cyberquarks's user avatar
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98 views

Proxmox Unable to Connect to TrueNAS iSCSI Target Using CHAP Authentication

Problem Description: I am experiencing persistent issues connecting my Proxmox server to a TrueNAS iSCSI target using CHAP authentication. Despite configuring both TrueNAS and Proxmox according to the ...
cyberquarks's user avatar
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41 views

Proxmox Setup with Email Server and multiple Webservers - Need Help, can not send Emails from Webserver VMs

I run a Proxmox server that runs an email server and several web servers as VMs. The server has two external IP addresses configured to the Proxmox host via the /etc/network/interfaces file. The ...
xtrose Media Studio's user avatar
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1 answer
86 views

Intermittent High CPU Spikes and Network Latency on Proxmox VMs Running Kubernetes

Summary: I recently migrated a Kubernetes cluster from bare metal to a Proxmox VM on the same physical host. Since the migration, the VM experiences intermittent high CPU spikes and network latency, ...
Matthew Haugen's user avatar
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1 answer
140 views

TrueNAS Scale Installation on Proxmox Fails with "lsblk: CANT_FIND_vda3_OR_vdap3: not a block device" Error

I'm attempting to install TrueNAS Scale (24.04.0) in Proxmox (8.2.2), but the installation fails with the error message lsblk: CANT_FIND_vda3_OR_vdap3: not a block device. Below is the table of the ...
cyberquarks's user avatar
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0 answers
68 views

Stop Proxmox 8.2.2 instance from sending email for its crontab entries

I have an instance of Proxmox 8.2.2. I want to STOP email being sent for the crontab entries for the root user on this server. I have a cronjob running as root in the console on that Proxmox 8.2.2. ...
Stefan's user avatar
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How do I resize /dev/sda3 in a Proxmox (Debian) system?

I am new to Linux and new to Proxmox. I am running Proxmox as a VM under VMWare Workstation Pro (VMW). When creating this VM I allocated 500GB of host hard drive space to a single virtual drive. ...
mbmast's user avatar
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112 views

Proxmox Network Interfaces Setup for Cluster

I was curious if the experts here could give some feedback on preferred /etc/network/interfaces config for Proxmox VE 8 with 4 available NICs. I plan to use Clustering with Corosync and Ceph. I have ...
cliff.kujala's user avatar
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29 views

Empty output of tcpdump --list-interfaces

Executing tcpdump --list-interfaces returns an empty response: root@ds-manager-2:~# tcpdump --list-interfaces root@ds-manager-2:~# Here's the output of ifconfig: root@ds-manager-2:~# ifconfig eth0: ...
Igor's user avatar
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1 answer
72 views

Weird behaviour of IPv6 on our servers

I need help solving IPv6 issues on our servers. We currently have two servers—the original one will be turned off in the coming days, and we will switch to the new one. However, we've encountered a ...
Martin Mystik Jonáš's user avatar
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0 answers
83 views

Network device crashes after coral passthrough

I have an HP T630 thin client with proxmox installed. I connected coral using m.2 socket. I can see /dev/apex_0 device. Until that point everything is ok. The problem starts when I set passthrough and ...
skoczo's user avatar
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0 answers
312 views

tls: handshake failure in kubernetes pod

I'm trying to stand up a basic Kubernetes cluster and I'm running into an error with TLS. Anytime a pod tries to access an https site it gets some kind of TLS handshake error. Terraform for example ...
ckchessmaster's user avatar
0 votes
1 answer
149 views

Proxmox Mulitple Public IP

I have a server at Hetzner with several public IPs. I configured it in bridge mode. Everything is working so far, but how do I tell the individual VM to please go online with this public IP address? ...
dima1002's user avatar
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0 answers
161 views

Repartitioning proxmox root/data LVM and zfs pool recovery

Ok so I created my first proxmox virtual environment about a month or two ago and due to inexperience and miscalculations I created a partition table I am not really happy with. Along with that it ...
user1884295's user avatar
0 votes
0 answers
121 views

Hetzner 1 IP + Proxmox + OPNSense and NAT

I have a server in Hetzner with 1 public IP... Inside I have Proxmox installed, where I direct all traffic to a virtual machine with OPNSense. this is my /etc/network/interfaces source /etc/network/...
KatiaSisHost's user avatar
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738 views

Wireguard DNS failure to resolve

It's always DNS... I'm trying to set up a WireGuard server in an LXC container running on Proxmox. The VPN works in that all the local IP addresses are accessible but I can't get DNS working despite ...
Arthur Mitchell's user avatar
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0 answers
27 views

Proxmox linux bridge has binded ip which not works 50% of time

I have default proxmox install on Vultr baremetal server It has bridge like this root@ed2:~# cat /etc/network/interfaces auto lo iface lo inet loopback iface enp1s0 inet manual auto vmbr0 iface ...
arheops's user avatar
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0 answers
139 views

Dedicated Server + Proxmox + OPNSense + IPv6 Support for VMs in LAN

I am struggling setting up a working IPv6 network for VMs connected at OPNsense LAN interface. The provider (Hetzner) has given me a /64 IPv6 network: 2a01:4f8::::/64 Somehow I am able to create a ...
EAK TEAM's user avatar
  • 103
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0 answers
150 views

Ansible playbook to create a new storage

I'm trying to create a new storage in my proxmox node with an Ansible playbook, but this ends up having no free space, all the space is used. I want to do this from the playbook and not from the ...
Ionut's user avatar
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0 answers
147 views

HP Proliant ML110 G7 Won't Boot from USB

I have a problem, my HP Proliant ML110 G7 does not want to boot via USB, even though previously there was no problem when installing ubuntu, but now when I want to install proxmox, it seems that the ...
Willy Sudwihartono's user avatar
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0 answers
161 views

Proxmox, iptables connection refused on port 443 from different nodes if forward to LoadBalancer

having some problems with port forwarding on dedicated machine running Proxmox. I have create an LXC-Container for LoadBalancing and forward all incomming request on port 80 and 443 to it. If I am ...
xtrose Media Studio's user avatar
0 votes
1 answer
384 views

Grub showing "attempt to read or write outside of disk 'hd0'" error when running in a proxmox VM

After installing a Debian 11 in a proxmox VM (with packer), grub would fail to boot into the newly created VM showing the error attempt to read or write outside of disk 'hd0'. When installing a VM ...
toydarian's user avatar
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0 votes
0 answers
267 views

Best Practices for Proxmox Backup Server(local or SAN)

I'm looking for some advice on optimizing my Proxmox Backup Server setup. Here's my current setup: I have three Proxmox hosts, each connected to a SAN via iSCSI with dual fiber switches. Additionally, ...
JanOlMajti's user avatar
0 votes
1 answer
254 views

VM behind nat on Proxmox cannot reach port from internal network

The issue is that I am able to reach port 25 from outside (public internet) to the specific machine in the local network behind NAT, but cannot reach to port 25 on public machine e.g. hotmail-com.olc....
EAK TEAM's user avatar
  • 103
0 votes
0 answers
289 views

pveproxy keep restarting cause my server to freeze on proxmox

The problem i have with this server is the hardware and the OS is running but after 2 days on 10/02/2023 it just crash already gain more times i could remember and it just freeze and doesn't run. i ...
Francabicon's user avatar
0 votes
0 answers
506 views

Hetzner 1 Public IP + Proxmox + OPNSense

I have the following problem, I have a dedicated server in Hetzner with 1 public IP, I must install a Proxmox, a virtual machine with OPNSense to use as a router... and the other virtual machines ...
KatiaSisHost's user avatar
0 votes
3 answers
378 views

Postfix/Dovecot relay or proxy?

I'm trying to figure it out how to reverse proxy based on condition email servers or how to deal with sending/receiving emails from different servers on only 1 public IP address? My current ...
EAK TEAM's user avatar
  • 103
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0 answers
424 views

Zpool Import, one or more devices is currently unavailable

I know this is a pretty common question, but I haven't found a situation quite like mine. To cut it short, I had a ZFS pool on my home server on bare metal of proxmox, wanted to move it to an open ...
Paprika2143's user avatar
0 votes
2 answers
111 views

Why is /etc/mtab a relative symlink

I've just spent a few hours trying to figure out why NFS exports were not working on a Proxmox (based on Debian) server. "Not working" in this case means that the mount command times out on ...
Philipp Burch's user avatar
0 votes
1 answer
176 views

Extending LVM on virtualized ubuntu server

Ok, I hope I can explain this correctly. I am running ubuntu server on proxmox. Unbuntu is running my docker instance. My LVM i originally assigned it is full and I added more storage in proxmox ...
dreg35's user avatar
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0 votes
0 answers
256 views

Create internal private network for VMs

I have a linux server with some VMs (proxmox). Currently, they each have a public IP assigned from a rather small block, let's say 200.0.0.0/28, and I'm running out of address space for new VMs. This ...
Otto Winter's user avatar
0 votes
1 answer
223 views

df reports zfs used space as 128K, not the actual used space

I have a ZFS mirror pool in my Proxmox instance. I am trying to get it to mount to an LXC container read-only (preferably not giving full filesystem access) so I can have Homepage detect the used and ...
Drakonas's user avatar
0 votes
0 answers
521 views

Proxmox high RAM usage

I'm currently running a Proxmox PC with 16GB of RAM. This system hosts 2 VMs and 1 LXC. VM-1: This VM is allocated 6GB of RAM and runs Jellyfin along with other ARR projects. VM-2: This VM is ...
Arshad Mahmud's user avatar
-1 votes
1 answer
109 views

How to force AD resync on ProxMox firewall version 5.2.1?

Does someone know how to force Active Directory resync on ProxMox firewall version 5.2.1 since the "pveum realm sync" command is not available yet on this outdated version? pve-manager/5.2-1/...
Arthur's user avatar
  • 3
0 votes
0 answers
193 views

Proxmox cannot route port from network bridge

I set up proxmox instance, all is working fine but i have a problem with port forwarding i have: server A with PUBLIC IP 1.2.3.4 and it's dedicated server (proxmox) server B (VM on server A) in bridge ...
Kaspek's user avatar
  • 1
0 votes
1 answer
54 views

apache redirects to local IP on virtual machine

I'm having a problem with my apache setup. I'm using a Proxmox server with multiple virtual machines and only one public IP. Apache runs on the Proxmox host and forwards the requests to the virtual ...
xtrose Media Studio's user avatar
0 votes
0 answers
377 views

ansible proxmox inventory plugin vault

Hope you're doing well. I got a very basic question about ansible inventory plugins , specifically the proxmox one : https://docs.ansible.com/ansible/latest/collections/community/general/...
infoman33's user avatar
-1 votes
2 answers
98 views

How can I add an additional working IP to a VM?

I have 2 websites working fine on the same IP (92.46.87.48). Is a ubuntu server on a VM. Now I need to assign one ip for every website. I edit the /etc/hosts fine, I just buy an additional IP and now ...
SixSense's user avatar

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