Installation Problem

Install Proxmox 7.4 on Hetzner Dedicated Server

iso mode with UEFI
2 x NVMe SSD Drives

Assume that our servers info is :

My Interface name : enp7s0

# run this command to get your interface name
(udevadm info -e | grep -m1 -A 20 ^P.*eth0 | grep ID_NET_NAME_PATH | cut -d'=' -f2)

Main IP4 and Netmask : 148.251.235.75/27

# run this command to get your main IP4 and Netmask
(ip address show "$(udevadm info -e | grep -m1 -A 20 ^P.*eth0 | grep ID_NET_NAME_PATH | cut -d'=' -f2)" | grep global | grep "inet "| xargs | cut -d" " -f2)

Main IP4 Gateway : 148.251.235.65

# run this command to get your main IP4 Gateway
(ip route | grep default | xargs | cut -d" " -f3)

MAC address : a8:a1:59:55:3b:43

# run this command to get your MAC address
(ifconfig eth0 | grep -o -E '([[:xdigit:]]{1,2}:){5}[[:xdigit:]]{1,2}')

IPv6 CIDR : 2a01:4f8:201:3315::2/64

# run this command to get your IPv6 CIDR
(ip address show "$(udevadm info -e | grep -m1 -A 20 ^P.*eth0 | grep ID_NET_NAME_PATH | cut -d'=' -f2)" | grep global | grep "inet6 "| xargs | cut -d" " -f2)

Public Subnet CIDR: 46.40.125.209/28

# Get this from robot (hetzner)

My private subnet : 192.168.20.0/24 with gateway 192.168.20.1 (choose your own subnet)

Prepare the rescue from hetzner robot manager

Select the Rescue tab for the specific server, via the hetzner robot manager
- Operating system=Linux
- Architecture=64 bit
- Public key=optional
--> Activate rescue system
Select the Reset tab for the specific server,
Check: Execute an automatic hardware reset
--> Send
Wait a few mins
Connect via ssh/terminal to the rescue system running on your server

Install requirements and Install Proxmox:

apt -y install ovmf wget 
wget -O pve.iso http://download.proxmox.com/iso/proxmox-ve_7.3-1.iso

For initial proxmox installer via VNC :

#### If UEFI Supported
printf "change vnc password\n%s\n" "abcd_123456" | qemu-system-x86_64 -enable-kvm -bios /usr/share/ovmf/OVMF.fd -cpu host -smp 4 -m 4096 -boot d -cdrom ./pve.iso -drive file=/dev/nvme0n1,format=raw,media=disk,if=virtio -drive file=/dev/nvme1n1,format=raw,media=disk,if=virtio -vnc :0,password -monitor stdio -no-reboot

#### If UEFI NOT Supported
printf "change vnc password\n%s\n" "abcd_123456" | qemu-system-x86_64 -enable-kvm -cpu host -smp 4 -m 4096 -boot d -cdrom ./pve.iso -drive file=/dev/nvme0n1,format=raw,media=disk,if=virtio -drive file=/dev/nvme1n1,format=raw,media=disk,if=virtio -vnc :0,password -monitor stdio -no-reboot

Connect with VNC client to 148.251.235.75 with password abcd_123456
Install Proxmox and attention to these :
- choose zfs partition type
- choose lz4 in compress type of advanced partitioning
- do not add real IP info in network configuration part (just leave defaults!)
- close VNC window after system rebooted and waits for reconnect
Run this command to bring up new installed proxmox in port 5555

#### If UEFI Supported
qemu-system-x86_64 -enable-kvm -bios /usr/share/ovmf/OVMF.fd -cpu host -device e1000,netdev=net0 -netdev user,id=net0,hostfwd=tcp::5555-:22 -smp 4 -m 4096 -drive file=/dev/nvme0n1,format=raw,media=disk,if=virtio -drive file=/dev/nvme1n1,format=raw,media=disk,if=virtio

#### If UEFI NOT Supported
qemu-system-x86_64 -enable-kvm -cpu host -device e1000,netdev=net0 -netdev user,id=net0,hostfwd=tcp::5555-:22 -smp 4 -m 4096 -drive file=/dev/nvme0n1,format=raw,media=disk,if=virtio -drive file=/dev/nvme1n1,format=raw,media=disk,if=virtio

Login via SSH or (WinSCP) To 148.251.235.75 with port 5555 with password that you entered during install.

Edit `/etc/network/interfaces` file due to your requirements :

Use this template for basic interface. (change parameters manually)
For Main IP replace these lines to contents of file :
for Main vmbr0 you can use automatic creation with this command :

## run this in rescue session
bash <(curl -sSL https://github.com/ariadata/proxmox-hetzner/raw/main/files/update_main_vmbr0_basic_from_template.sh)

Or Continue with manual way :

# network interface settings; autogenerated
# Please do NOT modify this file directly, unless you know what
# you're doing.
#
# If you want to manage parts of the network configuration manually,
# please utilize the 'source' or 'source-directory' directives to do
# so.
# PVE will preserve these directives, but will NOT read its network
# configuration from sourced files, so do not attempt to move any of
# the PVE managed interfaces into external files!

source /etc/network/interfaces.d/*

auto lo
iface lo inet loopback

iface lo inet6 loopback

iface enp7s0 inet manual

auto vmbr0
iface vmbr0 inet static
    address 148.251.235.75/27
    gateway 148.251.235.65
    bridge-ports enp7s0
    bridge-stp off
    bridge-fd 1
    bridge-vlan-aware yes
    bridge-vids 2-4094
    hwaddress a8:a1:59:55:3b:43
    pointopoint 148.251.235.65
    up sysctl -p

iface vmbr0 inet6 static
    address 2a01:4f8:201:3315::2/64
    gateway fe80::1

For private subnet append these lines to interface file :

auto vmbr1
iface vmbr1 inet static
    address 192.168.20.1/24
    bridge-ports none
    bridge-stp off
    bridge-fd 0
    post-up   iptables -t nat -A POSTROUTING -s '192.168.20.0/24' -o vmbr0 -j MASQUERADE
    post-down iptables -t nat -D POSTROUTING -s '192.168.20.0/24' -o vmbr0 -j MASQUERADE
    post-up   iptables -t raw -I PREROUTING -i fwbr+ -j CT --zone 1
    post-down iptables -t raw -D PREROUTING -i fwbr+ -j CT --zone 1

iface vmbr1 inet6 static
	address 2a01:4f8:201:3315:1::1/80

For public subnet append these lines to interface file (first-Usable-IP/subnet) :

auto vmbr2
iface vmbr2 inet static
    address 46.40.125.209/28
    bridge-ports none
    bridge-stp off
    bridge-fd 0

iface vmbr2 inet6 static
    address 2a01:4f8:201:3315:2::1/80

For vlan support append these lines to interface file :
- You have to create a vswitch with ID 4000 in your robot panel of hetzner.

auto vlan4000
iface vlan4000 inet static
    address 10.0.1.5/24
    mtu 1400
    vlan-raw-device vmbr0
    up ip route add 10.0.0.0/16 via 10.0.1.1 dev vlan4000
    down ip route del 10.0.0.0/16 via 10.0.1.1 dev vlan4000

Poweroff ssh with port 5555:

poweroff

Reboot main rescue ssh :

reboot

after a few minutes , login again to your proxmox server with ssh on port 22

Post Install :

Config hostname,timezone and resolv file :

hostnamectl set-hostname proxmox-example
timedatectl set-timezone Europe/Istanbul
printf "nameserver 1.1.1.1\nnameserver 2606:4700:4700::1111\n" > /etc/resolv.conf

edit /etc/hosts file like this :

127.0.0.1 localhost.localdomain localhost
148.251.235.75 proxmox-example
::1     ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
2a01:4f8:201:3315::2 proxmox-example

run this commands:

systemctl disable --now rpcbind rpcbind.socket

sed -i 's/^\([^#].*\)/# \1/g' /etc/apt/sources.list.d/pve-enterprise.list

echo "deb [arch=amd64] http://download.proxmox.com/debian/pve bullseye pve-no-subscription" > /etc/apt/sources.list.d/pve-no-subscription-repo.list

sed -i "s|ftp.*.debian.org|ftp.debian.org|g" /etc/apt/sources.list

apt update && apt -y upgrade && apt -y autoremove

pveupgrade

sed -Ezi.bak "s/(Ext.Msg.show\(\{\s+title: gettext\('No valid sub)/void\(\{ \/\/\1/g" /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js && systemctl restart pveproxy.service

apt install -y libguestfs-tools unzip iptables-persistent

# apt install net-tools

echo "nf_conntrack" >> /etc/modules
echo "net.ipv4.ip_forward=1" >> /etc/sysctl.d/99-proxmox.conf
echo "net.ipv6.conf.all.forwarding=1" >> /etc/sysctl.d/99-proxmox.conf
echo "net.netfilter.nf_conntrack_max=1048576" >> /etc/sysctl.d/99-proxmox.conf
echo "net.netfilter.nf_conntrack_tcp_timeout_established=28800" >> /etc/sysctl.d/99-proxmox.conf

Limit ZFS Memory Usage According to This Link :

echo "options zfs zfs_arc_min=$[6 * 1024*1024*1024]" >> /etc/modprobe.d/99-zfs.conf
echo "options zfs zfs_arc_max=$[12 * 1024*1024*1024]" >> /etc/modprobe.d/99-zfs.conf
update-initramfs -u

Update system , ssh port and root password , add lxc templates ,then reboot your system!

apt update && apt -y upgrade && apt -y autoremove
bash <(curl -Ls https://gist.github.com/pcmehrdad/2fbc9651a6cff249f0576b784fdadef0/raw)
passwd
pveam update
reboot

Login to `Web GUI`:

https://IP_ADDRESS:8006/

Do other configs like this :

MASQUERADE and NAT rules, by using samples example | rules.v4 | rules.v6

iptables -t nat -A PREROUTING -d 1234/32 -p tcp --dport 10001 -j DNAT --to 192.168.20.100:22
iptables -t nat -A PREROUTING -d 1.2.3.4/32 -p tcp -m multiport --dports 80,443,8181 -j DNAT --to-destination 192.168.1.2

Some useful links :

https://github.com/extremeshok/xshok-proxmox
https://github.com/extremeshok/xshok-proxmox/tree/master/hetzner
https://88plug.com/linux/what-to-do-after-you-install-proxmox/
https://gist.github.com/gushmazuko/9208438b7be6ac4e6476529385047bbb
https://github.com/johnknott/proxmox-hetzner-autoconfigure
https://github.com/CasCas2/proxmox-hetzner
https://github.com/west17m/hetzner-proxmox
https://github.com/SOlangsam/hetzner-proxmox-nat
https://github.com/HoleInTheSeat/ProxmoxStater
https://github.com/rloyaute/proxmox-iptables-hetzner

Useful Helpers

firewalld-cmd

proxmox-setup on blog

ariadata / proxmox-hetzner Goto Github PK

proxmox-hetzner's Introduction

Install Proxmox 7.4 on Hetzner Dedicated Server

Assume that our servers info is :

Prepare the rescue from hetzner robot manager

Install requirements and Install Proxmox:

Edit /etc/network/interfaces file due to your requirements :

Post Install :

Login to Web GUI:

Do other configs like this :

Some useful links :

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Edit `/etc/network/interfaces` file due to your requirements :

Login to `Web GUI`: