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Questions tagged [hetzner]

Hetzner Online AG is a major German web-hosting provider and data-centre operator.

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Secondary IP not pingable from internet - Ubuntu 20.04 using netplan on Hetzner server

Let me start be saying I'm not an network expert. That being said, I'd need some help here as I'm breaking my head on this issue for two days now. I have several questions but will focus only on one ...
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1 answer
58 views

Upgrade to Centos Stream on Hetzner results in kernel panic

I have several servers from Hetzner AX and EX series (AMD & Intel), that I installed with Centos 8, then migrated to Centos Stream, but I get a Kernel Panic every time I try to boot with any image ...
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121 views

Make use of Hetzner Robot vSwitch public IPv4 subnet on Hetzner Cloud servers

We have an issue with the use of Hetzner Cloud's Network with Hetzner Robot's vSwitch. I'm setting up a new project, where I have 2 dedicated Robot servers. They are set up in a vSwitch with a /28 ...
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Two dedicated servers on the same subnet at Hetzner

I have 2 dedicated Debian 11 servers A.B.C.159 and A.B.C.165 on Hetzner and they are located at the same subnet (the same switch). I was surprised that both servers can not ping each other. So I ...
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-1 votes
1 answer
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Using OVH VPS as a shield to dedicated machine

I am having a few dedicated machines in a few hosting companies which either do not offer DDOS protection or their protection is awful. I've been contacting a few hosting companies and friends and got ...
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1 answer
32 views

Windows Client Gateway on other Subnet

I have two subnets. 192.168.232.0/28 192.168.232.16/28 The Cloudprovider(Hetzner) gives me a gateway 192.168.232.17 for the subnet 192.168.232.16/28. I have a windows client 192.168.232.19 in this ...
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1 answer
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Container bridge networking with subnet on Hetzner and CNI

I am trying to create a private network of VMs and containers on Hetzner Cloud. I've tested this setup on my local home network and all works fine. The plan is to have a private network for the VMs (...
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1 vote
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282 views

IPv6 on ESXi with Hetzner

I'm having trouble with this one since I'm neither good at ESXi or networking so I'm mostly just following tutorials without being very sure about what I'm doing. So I just followed this guide to use ...
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1 vote
2 answers
550 views

Kubernetes: pod can't mount a PVC even though the latter seems to be properly bound to a PV

​Hello. I'm experiencing a problem while trying to deploy a pod that has been configured to use a Persistent Volume. My installation is hosted on Hetzner Cloud and Kubernetes has been configured ...
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100 views

Add Hetzner Volume cloud disk to serve wordpress uploads folder in Ubuntu 20.04

I have a VPS in Hetzner with 40GB disk that serves a Wodpress news blog on Ubuntu 20.04 and Virtualmin control panel. Since the blog has new content every day, the 40GB disk is just not enough. I want ...
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Server goes down after every few hours - No route to host

I have a Ubuntu machine, it keep going down after some(10-15) hours. It returns the error as no route to host when I try to SSH. But it works when I restart from hetzner console and again after few ...
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3 votes
1 answer
382 views

Updated VirtIO SCSI driver on my Windows 2012 R2, and now only boots into recovery. How to recover?

I have a Hetzner W2012 R2 Cloud VM, and I updated the VirtIO vioscsi driver on it. Now it only boots into recovery mode and I cannot access the C-drive even from command prompt. Is there any way to ...
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Hetzner Cloud private networking between projects/accounts

we are working on migration of our stack to Hetzner Cloud and trying to figure out the way to separate our dev/monitoring/prod resources across multiple projects/accounts in order to have fine grain ...
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1 answer
210 views

Hetzner Vlan connectivity between VMs inside dedicated server connected on Vswitch

I have multiple dedicated server with hetzner and connected to one vSwitch. I can connecte the dedicated servers on vlan using vswitch. But I am struggling to connect virtual machine inside dedicated ...
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938 views

Kubernetes load balancer on Hetzner Cloud

I have a kubernetes cluster running on hetzner (using calico with hcloud-cloud-controller-manager/v1.6.1), and I am trying to expose it so I can access it from outside. I added a load balancer to the ...
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Can we use Indian Server as CDN for German Server?

My client is using Hetzner Cloud Hosting. But his most of the users are from India. So in order to improve the speed we are planning to use $5 Digital Ocean droplet (Indian Data Center) as Proxy with ...
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-1 votes
1 answer
258 views

boot from cdrom !! kvm -machine pc-i440fx-2.1 [closed]

I am trying to follow the instructions in the following article https://docs.j7k6.org/vmware-esxi-hetzner-install-kvm-linux/ I start the VM by the following command kvm -machine pc-i440fx-2.1 \ -cpu ...
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1 vote
0 answers
365 views

Grub2-install: warning: Couldn't find physical volume in Centos 7

After replacing the disk with raid 1, I have this problem: grub2-install --recheck /dev/nvme0n1 Installing for i386-pc platform. grub2-install: warning: Couldn't find physical volume `(null)'. Some ...
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0 votes
1 answer
403 views

Openstack add public IP to an instance

I've got a new server from Hetzner. I installed Ubuntu 18.04 on top of it and then installed Openstack with Devstack. Assume that the server IP address is 88.198.33.30. And, the ISP/Hetzner gives me ...
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111 views

Nginx/Apache2 serves content to IP address but not to domain name, using Hetzner

I've tried this with both apache and nginx servers (separately, not at the same time). Both default servers have served content properly to the IP address but not to the domain name "b-t.dev"...
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1 vote
1 answer
3k views

MySql crashes randomly Out of memory: Kill process 24978 (mysqld) score 99 or sacrifice child

I am running a LEMP server. 2Core Processor, 4GB RAM on Hetzner Cloud. Ubuntu 18.04, PHP7.4, MySql 5.7, Nginx 1.16 But my MySql server randomly gets crashed even when traffic is negligible. It happens ...
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0 votes
1 answer
258 views

Cannot mount XFS volume on Hetzner vps

After a volume a resizing i cannot mount an attached volume on Hetzner cloud vps root@MONITOR-BACKUP /mnt # mount -o discard,defaults /dev/disk/by-id/scsi-0HC_Volume_1552045 /mnt/BACKUP-STORAGE mount: ...
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3 votes
1 answer
3k views

Adding ssh keys to a new server without having previously set up users on that server

I've setup a clean new VPS running Ubuntu 20.04 LTS with Hetzner and would like to access it via ssh. Here is what I've tried to do: I have added my public ssh key (passphrase-less) in Hetzner's ...
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1 answer
835 views

How can i find what generates a NetScan Abuse and how to prevent it?

I have a VPS, on which i have some docker containers running. From time to time i receive a message, similar to the one below, from my VPS provider that a NetScan abuse was detected from my server. As ...
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0 votes
1 answer
154 views

How to set up connectivity between virtual machines on different VMware dedicated servers?

I have 3 dedicated servers at Hetzner with VMware vSphere. vmware01: 192.168.2.0/24 vmware02: 192.168.3.0/24 vmware03: 192.168.4.0/24 All servers use Pfsense and have WAN and LAN IP-addresses. Some ...
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1 vote
0 answers
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Fedora 32: KVM routed Bridge Network

I'm fighting with the following problem. I got an Hetzner dedicated Server with multiple additional IPs which I want to use for KVM VMs. (MainIP = 1.1.1.1, First additional IP: 2.2.2.2) Before my ...
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0 votes
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188 views

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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1 vote
1 answer
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hetzner private network, 1 docker host, 1 pfsense, I keep getting "TCP Previous segment not captured" from my containers

this is the network design https://imagebin.ca/v/5NNDpuDwq9PT it's hosted on hetzner, 1 firewall with a public facing interface, pfsense. 1 docker host with two interfaces, one connected to the ...
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Virtualizor Hetzner IPV6 subnets

I am trying to configure a Virtualizor instance on a Hetzner machine but I can't make it to work since I need to "nat" the IPV6 subnets. I divided my /64 subnet by multiple /80 subnets and I added a ...
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-1 votes
1 answer
1k views

set private name server on Hetzner cloud

Default robots dns info is this and it works: $TTL 86400 @ IN SOA ns1.first-ns.de. postmaster.robot.first-ns.de. ( 201208 ; serial 86400 ; refresh 10800 ; retry ...
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1 vote
1 answer
581 views

IPv6 connectivity suddenly disappears

In the environment specified below IPv4 purrs like a cat, but IPv6 vanishes after a short time – i.e. even the host can't reach its container via IPv6 over the Docker network. Did I miss something? ...
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3 votes
1 answer
603 views

How is it possible to have a default gateway outside of the network range of any interface?

I always thought that the default gateways has to be on the same network as the server/client trying to connect to the internet. However today I rented a server from Hetzner and the server is able to ...
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1 vote
1 answer
1k 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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2 answers
839 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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0 votes
1 answer
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Is it considered "safe" to run a task with high I/O on a server for 3 days straight, or would you add pauses in it?

I want to hash the contents of 4 million JPEG files taking up 32TB of a 48TB RAID6 partition in CentOS 7. It's a Hetzner SX131 10 x 6TB box. Having run a test on 10,000 files I think the full job is ...
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6 votes
4 answers
3k views

Can I connect a servers from Hetzner cloud to a vswitch

I have some dedicated root servers at Hetzner wich are connected via a VLAN using the vSwitch. Now I would like to know if you can connect servers from the Hetzner Cloud to the same vSwitch so they ...
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2 votes
1 answer
772 views

IPv6 routing between Host and Guest

I am currently facing an issue about my current setup. I basically have a dedicated server to which a /64 IPv6 subnet have been assigned (2a01:4f8:221:1e81::/64). Connectivity on the host is working ...
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0 votes
1 answer
1k views

How to allow Linux networking into the internet on Hetzner cloud server while the routing table contains only 169.254.0.0 IP?

i am having virtual server from Hetzner and after installing the CentOS 6 linux, i do not know how to make the default installation available from the internet, how to setup the routing. The Hetzner ...
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  • 377
1 vote
1 answer
734 views

Hetzner server crash time?

Has anyone noticed that most server crashes at Hetzner occur roughly at 8:00 GMT+3? Like example here What we've got last month at this time: docker "Segmentation fault" Network connection ...
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4 votes
1 answer
2k views

How is preferred_lft set by default for an IPv6?

On Hetzner Cloud with Debian and Ubuntu, I noticed that the default IPv6 has a preferred_lft of 0 second. It is thus "deprecated" and that leads to issues when adding another inet6, because non-...
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1 vote
1 answer
2k views

Standard ports for web server

I'm using Hetzner for a server which only needs 80/443 and 22 accessible to the outside world. When I use the Hetzner firewall template, it also adds: protocol icmp, which I think is for ping ports ...
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0 answers
401 views

KVM host with GNS3 LAB

This is for SDN LAB in the GNS3 with Asterisk. I have KVM physical host in Germany (everyone knows where I guess). I have a GNS3 lab running on Debian VM with some more VMs inside Vbox there. I'm ...
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-1 votes
1 answer
65 views

KVM guest cant fetch packages thus it's reachable from ssh

I am a bit lost regarding my kvm setup. I rented a root server at hetzner.de and now wanted to setup virtualization using libvirt & kvm. I created a bridge br0 which now holds the static server ...
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2 answers
5k views

How to add Hetzner Cloud Disk Volume to extend /var partition?

I have a new Hetzner cloud server and added an extra 50GB disk volume (CEPH) to my server. The default disk is only 40GB. I thought it would be added to the default storage like the traditional ...
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1 answer
269 views

Debian stuck without any records in syslog

I am having problem with dedicated server I am hosting on Hetzner. I had similar problem few years before with other dedicated one and I am worried if this thing is my fault or someone other's. It ...
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0 answers
852 views

PfSense(on ESXi) on hetzner, IP Subnet not working

i have one primary IP of Hetzner DS(with ESXi on it, and pfsense). i got a subnet of /29 from hetzner. they say that the subnet IPs must route through Primary IP address of server, like if server IP ...
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1 answer
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OfflineUncorrectableSector & CurrentPendingSector emails - what should I do?

Running Centos 7: I've just done a yum update followed by a reboot on one of my servers, and when it came back up I got two emails: First: OfflineUncorrectableSector Device: /dev/sdb [SAT], 28 ...
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0 votes
1 answer
563 views

KVM: guest with FQDN DNS resolution / no bridge

I have a (Hetzner) server with a public IP of eg. 123.123.123.123, and an additional IP of eg. 456.456.456.456. I want to serve some private webspace apps on 123.123.123.123, including a hidden ...
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-2 votes
1 answer
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Raid 5 the hard disks on Hetzner

Hi ordered a server from Hetzner and added a 500GB SSD to the server. Ran the installerimage and Im not sure Software Raid is working on all three Hard Drives of mine. How can I add Soft Raid to the ...
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2 votes
1 answer
463 views

Frequent Proxmox server interruptions in Hetzner

Unfortunately, there is a problem with server access at hetzner datacenter for some time. When we connect to the server with a KVM, we find that the server has not crashed, as if the server's network ...
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