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 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Directory resync on ProxMox firewall version 5.2.1 since the "pveum realm sync" command is not available yet on this outdated version?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/...
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Please suggest a redundant solution with 2 or 3 servers? [closed]
Earlier I was using Stratus and VMware for redundancy.
I want to know if building a cost-effective redundant solution is possible.
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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 ...
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1
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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 ...
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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/...
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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 ...
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Duplicate LV names after cloning a disk with clonezilla
I have cloned my bare metal installation of Debian Bookworm on LVM to Proxmox VE. The cloning was done via Clonezilla (remote), disk to disk. The Disks were the same size but I'm unaware if I selected ...
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Proxmox: Good Idea to use LVM thin together with LVM-Caching
I want to migrate my bare metal Debian server into Proxmox. My existing server uses a 120GB SSD and a 8 TB HDD. The HDD is cached on SSD (20G), which improves (read) performance a lot.
Here are all my ...
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UFW is not filtering traffic routed through bridge
I am experiencing a case where UFW is not blocking packets coming from a VPN host, going through the VPN interface, then through a bridge and finally to a VM. I could configure another firewall on the ...
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Proxmox LXC Networking with public IP
I have a bare-metal Proxmox server running with two public IPs. The initial configuration has already been done, and the containers are running with a NAT and a private network.
I currently have 2 ...
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Unprivileged LXC - Cannot set tx queue length
I've installed and configured OpenVPN server on unprivileged LXC.
Everything works fine except for one problem/warning:
Cannot set tx queue length on tun0: Operation not permitted (errno=1)
My tun0 ...
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Move applications and DB to docker or vm
I have one server with one public IP.
Apache2 is installed.
Mariadb is installed.
There are about 50 identical Java applications running on Tomcat on
the server.
The applications are running on some ...
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Proxmox 8.0 reports "mce: [Hardware Error]: Machine check events logged"
I am running a proxmox 8.0 server with the specifications below.
FYI, I updated this in proxmox 7.4.
CPU: Ryzen9 5950X
RAM: Samsung DDR4 64GB ECC-Unbuffered (32GB x 2)
m/b: tuf b450m-pro gaming
VGA: ...
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1
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can't login to virtual machine in proxmox due to special sign in password (alma linux)
Friends of the forum, I feel desperate trying to solve this problem.
Yesterday I had to make a backup of a server that was hacked. This server is called primary.
When I got hacked, I set up a new ...
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Lightweight HTTP to HTTPS redirect
We are running a Proxmox server, which I have configured using IPTables to redirect port 443 to the proxmox port 8006. What would be the lightest way to redirect anyone trying to access http://...
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Proxmox error on vmbr0
I can't access to my pve due to networking error:
error: vmbr0: bridge port enp5s1 does not exist
interface file:
networking status:
Note: The second bridge work ok, the modem and external ip ...
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1
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Many segfaults, RAM failing?
I have a Proxmox installation that is unstable, both the host and LXC containers crash. I to find the fault I have tried swapping RAM, CPU and MB. I also did a fresh reinstall. But I'm still getting ...
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proxmox image import creates an 50GB disk regardless of image size
If I import a disk image for vm 101 from a raw image, it will create an 50GB disk image:
# qm importdisk 101 disk.img local-zfs
importing disk '446-jenkinsmite.img' to VM 101 ...
transferred 0.0 B of ...
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How i can init kubeadm on containerd or cri-docker?
kubectl version --client
`Client Version: v1.28.1
Customize Version: v5.0.4-0.20230601165947-6ce0bf390ce3`
kubeadm version
`kubeadm version: &version.Info{Major:"1", Minor:"28", GitVersion:"v1.28.1", ...
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Should I use proxmox for this use case?
So basically I need to host an web application front and back all PHP, and also a MySQL database with HA.
There will be 2 servers on different datacenters.
And I'm thinking if we should use Proxmox ...
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LXC network routing issues
I have an LXC running Ubuntu 22.04 on Proxmox, which I'm trying to move to a new LXC running Debian 12.
Running the exact same LXC configuration somehow results in initial SSH connections to the ...
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Docker service doesn't start on unprivileged lxc container on boot
I have proxmox with an Ubuntu lxc container where docker is installed and containers running. When I reboot my node, although the lxc container starts on boot, docker services start only when I login ...
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How to set up OMSA on Dell T610 with Debian 12 based OS (Proxmox VE 8.0)
Dedicated server noobie here.
I have a proxmox server on a new (to me) Dell T610. I have a couple of disks in a RAID array that I will expand soon, but for that I read that the Ctrl+R RAID BIOS is not ...
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Routing 2 public IP ranges on 2 bridges
I've set up a new Proxmox 8 server, and I'm struggling to get my networking set up correctly. A normal bridge interface with a single IP range is easy enough, but I can't seem to get my 2 IP ranges to ...
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Memory ballooning doesn't try to reclaim page cache
I have a host running Proxmox with some VMs on it. Due to some unpredictability with the memory usage of some applications, and wanting to give some VMs (like a DB) memory for the page cache when ...
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Building a low-cost, high-availability cluster using Windows Failover Cluster or Proxmox
I need to build a high availability cluster (key functionality, SLA almost 24/7) for virtual machines (AD DC, FS, WSUS, Print server, one Oracle database, a few Linux (not important to business).
...
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Linux bridge not forwarding traffic after changing bridge ports
Problem: after changing bridge-ports value of a network interface, all networking on that IP stops working. Base system is Proxmox VE 7.4, based on Debian Bullseye.
Background: I have a Proxmox VE ...
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Cannot Access Proxmox GUI After Create Linux Bridge Network
Good Morning!
I have a baremetal server on equinix with gateway CIDR /31 (default) then I bought a new Gateway with CIDR /28 after that I connected to the server, but after installing proxmox and I ...
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How often do you update Proxmox?
I installed Proxmox three months ago, and I have a question about how often I should run commands like apt-get update.
On Proxmox, according to forum members' rules, I installed only the default ...
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What is the server hardening strategy when I use SSH tunneling?
I am using Proxmox with SSH tunneling. I have disabled all outside ports and connections, except for access via SSH tunneling.
In this way, what is my strategy for server hardening?
My setup:
...
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276
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Kernel panic initramfs: no cpio magic
Im trying to boot a proxmox that was abruptly rebooted due a power lost. When trying to boot it stops with a kernel panic. The error it shows is "Initramfs unpacking failed: no cpio magic".
...
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Nothing but DHCP works after testing SR-IOV on Mellanox ConnectX-4 Lx
I was following the Proxmox guide for enabling PCIe passthrough and SR-IOV for my NIC, since I am running Vyos in a VM as a router. However, after undoing all the changes the NIC is not working ...
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DHCP response not getting to VM when using a VLAN on Proxmox
I recently installed proxmox on my server, and now I'm trying to get networking in order.
The problem that I have, is that for a certain VLAN, the DHCP response from my DHCP server doesn't seem to end ...
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Best practice to install proxmox (7 or newer) on server
i did a lot of research and i am still wondering, where to install os (proxmox). We have ProLiant DL560 gen8 and gen9.
My options:
micro SD card 32/64GB, not good because of lots of writings from
...
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IP routing between two sites and allowing external access to both via Wireguard
I have two Proxmox notes, in two separate locations. They are connected via a Wireguard Tunnel between the two sites (A and B). This tunnels all traffic destined for the other site through the tunnel ...
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Assign a VLAN directly to a physical interface
does anyone have an idea how to assign a VLAN ID to a physical interface under Linux?
More specifically I have a proxmox server on which Opnsense is virtualized. There are VLANs set up and on a ...
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Where to put VLAN interface
I have a Proxmox VE 7.4 installed on a server (that's debian 11-based distro).
On this server I have 2 x 1 Gbps network interfaces. On top of them i have Linux bond (LACP mode, but probably ...
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Proxmox: how to route traffic to CTs (VMs)
I have Promox server with 3 IPs (Main IP and 2 additional ones). Server has 3 CTs and I want to assign all 3 IPs to those CTs.
Assinging them directly to CTs/VMs didn't work (even gateway is not ...
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Is it possible to bypass linux bridge device and assign linux vlan directly to bridge member on proxmox (Debian)?
I came up with the following situation. We have a Proxmox node with a 40gb Mellanox QSFP+ card connected to switch. The 40gb interface is added as a slave to vlan aware linux bridge. To that bridge ...
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Mikrotik CHR with public ip behind a proxmox Eoip not work
i have this problem:
I have a ionos dedicated server i have installed a proxmox on it, i have an additional ip address for my routeros virtualized machine ionos delivered me this ip via vlan 1010:
...
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Proxmox host cannot reach guest: TCP client retransmitting instead of sending ACK after SYN/ACK
Setup: server (HTTP server on 80) on 192.168.1.20, clients on 192.168.1.17, 192.168.1.18
Client 192.168.1.17 can connect to the server fine (Wireshark capture on the client side attached)
1 0.000000 ...
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Proxmox VE Dedicated Server OVH - Config Issues In Network Setup With 1 Public IP
Problem: (No Internet & No DHCP)
I cannot seem to get my VM's to connect to the internet nor am I able to setup a DHCP server to automatically assign IPs to them.
Introduction/PSA for dupes: I've ...
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Use squid to forward http(s) requests based on domainname
I have installed 5 LXC containers in Proxmox. Each container has a Apache2 webserver up and running inside, pointing to a registered domain.
So:
container1 points to example1.com and has a local ip ...
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Understanding ulimits / process limits, or maybe something else. New processes stop opening (fork errors)
I'm a little bit lost and need some help understand what exactly is happening with my server.
So this is a Proxmox (Debian) server with several LXC containers running in it, and from time to time ...
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Forward port to a VM via iptables from same bridge
I have running a proxmox server with two VMs which are connected to the bridge interface vmbr0:
Host: 10.10.10.1 (extern IP: 123.123.123.123)
VM1: 10.10.10.2
VM2: 10.10.10.3
On VM2 a load balancer ...
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When connecting to my server through my domain, I get connection error. however, on a VPN it connects just fine [closed]
New poster here so unsure if this is the correct stack exchange.
But basically, I use NPM (Nginx Proxy Manager) to direct internet traffic to various VMs running on my hub server running proxmox.
...
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Libreswan to Juniper. The tunnel is not going up
authentication-method pre-shared-keys
dh-group group14
authentication-algorithm sha1
encryption-algorithm aes-256-cbc
lifetime-seconds 28800
protocol esp
authentication-algorithm hmac-sha1-96
...
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What is the best way to set up backup settings for Proxmox, not for a virtual machine?
At the moment, I'm only backing up my VMs,
but I want to also back up my Proxmox settings, important files and configurations,
so that if I need to set up a new machine/server, I can restore from this ...
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2
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How to secure proxmox web ui?
How can I best secure Proxmox Web UI?
What I have done:
Added SSL
Added two-factor authentication
What I have planned:
Change default port 8006 to a random port, such as 3462
Add tunneling by SSH, ...
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Proxmox in Hetzner with 1 IP i loss connection from outside to CT
I have a problem with my installation of proxmox... until yesterday everything was working correctly and today a website that I had hosted there has stopped working, the problem is the following:
I ...
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