Questions tagged [hetzner]
Hetzner Online AG is a major German web-hosting provider and data-centre operator.
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Monday morning mistake: sudo rm -rf --no-preserve-root /
Please note: The answers and comments to this question contains content from another, similar question that has received a lot of attention from outside media but turned out to be hoax question in ...
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IPv6: Destination unreachable: Address unreachable [closed]
My server can't ping/reach any other outside.
ping6 works for my local fe80::468... address as well as the 2a01:4f8..., but not for fe80::1!
Errors/Troubles/Issues:
ip neigh show
fe80::1 dev eth0 ...
- 231
10
votes
2
answers
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hetzner default nameservers not always resolving
I have couple of Hetzner 'root servers' (as they call it - dedicated co-located linux machines) and all of them experience the same problem (which i simply do not fully understand).
The domain www....
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8
votes
2
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DNS issue with Failover IP from Hetzner
Assume we have two servers A and B with 'real' and external IPs and we can switch the so called 'failover ip' (W.X.Y.Z) to point to a specific external IP of A or B. This works from the 'outside' and ...
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2
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Hetzner's installimage script, RAID1 hard drives + SSD
I just purchased a server from Hetzner, with two 4TB hard drives and one 1TB SSD. I want to setup the two hard drives (/dev/sda & /dev/sdb) in RAID1 and install the OS on them, and have the SSD (/...
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4
answers
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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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4
answers
3k
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Ubuntu full disc encryption on Hetzner Cloud adding add static route in initramfs
I try to setup Ubuntu with full disc encryption on top of Hetzner Cloud. I got everything to work except the network connection in initramfs. Thanks to the UI console its possible to unlock, but I ...
- 153
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2
answers
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Getting Ubuntu 16.04 on a ZFS root on a Hetzner dedicated server
By now, it's well possible to get Ubuntu 16.04 running on a ZFS root-fs. Ubuntu 16.04 has ZFS in the default package manager, and with guides like this, it's not hard to get started.
However, all ...
- 289
5
votes
2
answers
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Can't use external IP on Hetzner VPS
I've changed my virtual server model on Hetzner recently. The new one has an external IPv4 address on which it's accessible from the internet (as it should). But I can't use this external IP in ...
- 155
4
votes
3
answers
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proxmox KVM routed network with multiple public IPs
I have a dedicated hosting with hetzner.
Additionally i have bought a 6IP subnet.
My main IP is: 148.111.111.200
My main subnet is: 255.255.255.224
My additional IPs are 148.222.222.1 to 148.222.222....
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1
answer
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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-...
- 173
3
votes
1
answer
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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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3
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1
answer
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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
answer
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ntpd servers stuck in init state when defined by hostname, but sync correctly when defined by IP address
I started having an issue on a couple of our colo servers which is causing a fair bit of head scratching.
I as alerted to clock skew on a couple of servers, and when I went to investigate ntpq -=p ...
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3
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1
answer
1k
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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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3
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1
answer
2k
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XenServer - Storage XenMotion between 2 servers using direct LAN connection
I have two physical servers (recent, Haswell based machines) on which I have installed XenServer 6.5 . Both servers have two NICs. These servers are hosted at the Hetzner datacenter.
I have connected ...
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3
votes
1
answer
4k
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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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3
votes
1
answer
5k
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Installing Windows 10 on Hetzner Cloud (but not Dedicated) server [closed]
I am looking for a tricky way to install Windows 10 on Hetzner Cloud (but not Dedicated) server. Hetzner don't provide any ISO images for consumer-grade OS, including business desktop editions. Even ...
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3
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1
answer
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Is it possible to change the IPv6 address of docker0 bridge?
I'm trying to set up a docker based application on a virtual server running Ubuntu. The application is supposed to work with IPv6. No problem, I got a /64 network from my server provider, it is ...
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2
answers
1k
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How to identify slow connection with IPv6
I'm a Hetzner customer, and I have twice had the same problem when using their standard Ubuntu 16 LTS image on a new server. When I try to download packages it is incredibly slow and will often sit ...
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2
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1
answer
4k
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Hetzner script, configuring SSD + RAID1 image installation
I am trying to figure out how to set this configuration on my Hetzner server.
The hetzner installimage script provides a default configuration (with comments: http://pastebin.com/tBqezpFn):
# ...
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2
votes
1
answer
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Hetzner server installimage - 4 disks, raid 1 with two of them
The following problem I have 4 disks on my Hetzner server (because cheaper dont ask)
I want Raid 1 with the most space possible. For easier setup I'm first trying 2x2TB ignoring the other 2 disks for ...
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2
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0
answers
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how to setup 4 drives on hetzner servers, every two are mirror
I've a new dedicated server from hetzner, will install cPanel on it.
2x HDD SATA 6,0 TB Enterprise
2x SSD M.2 NVMe 512 GB
OS is AlmaLinux v8.7.0
how can I set up the installimage so the OS be on the ...
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0
answers
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Is my setup correct? Enabling ipv6 on a Hetzner server
A question about enabling ipv6 on a Hetzner server.
ipv6 address: 2a01:4f8:171:1cd3::2
ipv6 subnet is: 2a01:4f8:171:1cd3:: / 64
Followed the official Docs: https://docs.hetzner.com/robot/dedicated-...
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2
answers
3k
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Proxmox on Hetzner, single IP, routed configuration
Alright, I'm at my wits end.
I am trying to configure a ProxMox on dedicated server at Hetzner, which has one public IP, so I want to use NAT for VMs / containers.
I read all the manuals, and tried to ...
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2
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1
answer
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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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0
answers
2k
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Forwarding traffic with one ip proxmox
I have a hetzner dedicated server, and i've installed proxmox. I have only one ip and i need to forward traffic and ports to VMs. I've followed proxmox network tutorial with no success: can't access ...
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2
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Instruct Hetzner installimage to use SSD as primary OS drive
Purchased a dedicated Hetzner server with 2x small SSDs and 2x large HDDs paired with hardware RAID. Running installimage from Rescue OS shows this as config:
# Adaptec RAID (LD 0): no name
DRIVE1 /...
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2
answers
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Access to Guest VM via additional public IP
I have a CentOS dedicated server (Hetzner):
IP: aa.bb.cc.16
Gateway: aa.bb.cc.1
Netmask: 255.255.255.255
and additional IP (guest VM (libvirt) with Debian installed):
IP: aa.bb.cc.61
Gateway: aa.bb....
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0
answers
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Multiple networks per interface in OpenStack in Hetzner
I'm trying to run a small OpenStack setup over a few servers hosted in hetzner.de, I'm currently deploying a basic setup to two servers.
All servers are running Ubuntu, they are connected to each ...
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vote
1
answer
4k
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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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1
vote
1
answer
535
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Server refused our key - Putty trying to connect to a new VPS server
I am using Putty to connect to my VPS servers.
I have created a new VPS server (Hetzner cloud) and have chosen the existing SSH key, as a security measure.
When trying to connect to a newly created ...
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vote
1
answer
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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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2
answers
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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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vote
2
answers
1k
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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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1
vote
1
answer
2k
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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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1
vote
4
answers
3k
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Rescue a Raid 1 from a dedicated server
I have a dedicated server (Hetzner EX4). One day, I rebooted the server and it wouldn't start. customer service told me that one of the hard drive was faulty, and activated the rescue system (Linux). ...
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1
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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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vote
1
answer
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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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vote
1
answer
2k
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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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1
vote
2
answers
7k
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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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vote
1
answer
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IPv6 in XenServer Guest stops working randomly
My XenServer 7.0 VMs running Ubuntu 16.04 with kernel 4.4.0 decide to cease receiving IPv6 packets shortly after restarting the whole machine or resetting the network interface.
While everything ...
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vote
1
answer
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Server rollbacked after apt-get upgrade and a restart
Today I was trying to find out why my server stalled after certain amount of requests on apache2, but couldn't figure why, so I decided to upgrade it(apt-get update & apt-get upgrade) before I ...
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0
answers
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Overwriting provider DNS via cloud-init
I want to overrides the DNS given by my cloud provider with my own custom DNS entries. This is a Ubuntu instance so this is configured in netplan. Once my VM boots I can see the following at /etc/...
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0
answers
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Rebuild Hetzner Cloud server with a new set of SSH keys
When I create a server in the Hetzner Cloud Console via the "Add Server" option, I can configure the server Location, Image, Type, Networking and SSH Keys among other settings. When the ...
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vote
1
answer
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ZFS on Hetzner Rescue fails with `checking whether inode_owner_or_capable() takes user_ns... configure: error:`
Normally, when booting into the Hetzner rescue system, using the 'zfs' command will automatically install zfs tooling inside the rescue system.
This is currently not working;
checking whether ...
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vote
0
answers
170
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Server with multiple public IPs - pointopoint configuration, bridge, KVM
I am in the process of configuring a server at the provider Hetzner with several individual IP addresses. On the server should run later several VMs via KVM. For the configuration I have to use ...
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vote
0
answers
778
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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
0
answers
1k
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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 ...
1
vote
0
answers
833
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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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