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How can I install Proxmox on a KVM node without an ISO?

k9bangerk9banger Member
in General

Although my provider doesn't support ISOs, I have been able to install Ubuntu 22.04 on it by doing some fiddling with the grub setup and ISO images, but the current Debian seems different, and by extension so should Proxmox.

Are there any guides to doing so on the web?

Comments

  • qebaqeba Member

    Nope, you can't.

  • egororegoror Member

    Break into datacenter at night with a DVD.

    Thanked by 1COLBYLICIOUS
  • k9bangerk9banger Member

    @qeba said:
    Nope, you can't.

    Yes I can, just because you don't know how doesn't mean it is impossible.

    Where there is a will, there is a way.

    Thanked by 1qeba
  • mwmw Member

    @k9banger said:
    Although my provider doesn't support ISOs, I have been able to install Ubuntu 22.04 on it by doing some fiddling with the grub setup and ISO images, but the current Debian seems different, and by extension so should Proxmox.

    Are there any guides to doing so on the web?

    if you can install Debian, you can install Proxmox on top of it without needing an ISO

    Thanked by 5k9banger dev_vps BasToTheMax 10thHouse Erisa
  • k9bangerk9banger Member

    @mw said:

    @k9banger said:
    Although my provider doesn't support ISOs, I have been able to install Ubuntu 22.04 on it by doing some fiddling with the grub setup and ISO images, but the current Debian seems different, and by extension so should Proxmox.

    Are there any guides to doing so on the web?

    if you can install Debian, you can install Proxmox on top of it without needing an ISO

    I know about that, but it seems more involved than I want. I want to know if I can rig installing from an ISO image from grub.

    ISO installing is normally done from the control panel through the VNC interfaces, but I want to do it from grub.

  • dev_vpsdev_vps Member
    edited October 2024

    @mw said:

    @k9banger said:
    Although my provider doesn't support ISOs, I have been able to install Ubuntu 22.04 on it by doing some fiddling with the grub setup and ISO images, but the current Debian seems different, and by extension so should Proxmox.

    Are there any guides to doing so on the web?

    if you can install Debian, you can install Proxmox on top of it without needing an ISO

    Exactly.

    ProxMox can be installed easily on Debian 11 / 12.
    https://pve.proxmox.com/wiki/Install_Proxmox_VE_on_Debian_12_Bookworm

    Thanked by 2qeba BasToTheMax
  • WebProjectWebProject Veteran, 🚩 Host Rep Tag Suspended
    edited October 2024

    Just google:
    https://pve.proxmox.com/wiki/Install_Proxmox_VE_on_Debian_12_Bookworm

    Are there any guides to doing so on the web?

    As you can see above, it’s very difficult and very complicated task to use google 😂

  • dev_vpsdev_vps Member

    How to Install Proxmox on Debian: A Step-by-Step Guide
    https://blog.usro.net/2024/10/how-to-install-proxmox-on-debian-a-step-by-step-guide/

    Thanked by 1WebProject
  • dev_vpsdev_vps Member

    @k9banger said:
    Although my provider doesn't support ISOs, I have been able to install Ubuntu 22.04 on it by doing some fiddling with the grub setup and ISO images, but the current Debian seems different, and by extension so should Proxmox.

    Are there any guides to doing so on the web?

    The other option is to use bashvm
    @babywhale
    https://github.com/babywhale321/bashvm

    Thanked by 1babywhale
  • kevindskevinds Member, LIR

    Do you have any type of console access to the system? VNC or serial?

    If you do, it becomes simple

  • k9bangerk9banger Member

    It turns out that the provider has now enabled ISO booting on the system, so it wasn't necessary after all.

    I now have Proxmox 8.02 running on the system and have managed to install a VM.

    If I knew it could be so easy, I wouldn't have wasted so much money all these years with Lowendtalk providers :) ;)

    Now I have to configure IPv6 networking as the server only allows one one IPv4 address. How can I got Proxmox to allocate more IPs out of the /64 I have?

  • lowendtalkxdaxlowendtalkxdax Member

    @k9banger said:
    It turns out that the provider has now enabled ISO booting on the system, so it wasn't necessary after all.

    I now have Proxmox 8.02 running on the system and have managed to install a VM.

    If I knew it could be so easy, I wouldn't have wasted so much money all these years with Lowendtalk providers :) ;)

    Now I have to configure IPv6 networking as the server only allows one one IPv4 address. How can I got Proxmox to allocate more IPs out of the /64 I have?

    Why not NAT? SNAT from VMs to public IP; port forwarding from public IP to VMs, just copy and paste, there are many online guides, or ask ChatGPT.

    Many services aren't reachable with IPv6, unless you have an IPv6 fetish, I see no reason on why to use IPv6 (until IPv6 only services arrive in 20 years and everyone is leaving IPv4)

  • CloudHopperCloudHopper Member

    @lowendtalkxdax said:
    Many services aren't reachable with IPv6, unless you have an IPv6 fetish, I see no reason on why to use IPv6 (until IPv6 only services arrive in 20 years and everyone is leaving IPv4)

    Maybe the OP has some IPv6-only servers that they want to connect their VMs to?

  • k9bangerk9banger Member

    It turns out that the provider has now enabled ISO booting on the system, so it wasn't necessary after all.

    I now have Proxmox 8.02 running on the system and have managed to install a VM.

    If I knew it could be so easy, I wouldn't have wasted so much money all these years with Lowendtalk providers :) ;)

    Now I have to configure IPv6 networking as the server only allows one one IPv4 address. How can I got Proxmox to allocate more IPs out of the /64 I have?

  • jcolidelesjcolideles Member

    @k9banger said:
    Now I have to configure IPv6 networking as the server only allows one one IPv4 address. How can I got Proxmox to allocate more IPs out of the /64 I have?

    I just did that yesterday on my 1111 VM from GreenCloud Birthday Sale. I followed this guide https://community.hetzner.com/tutorials/install-and-configure-proxmox_ve#bridged-setup

    Thanked by 1k9banger
  • k9bangerk9banger Member

    @jcolideles said:

    @k9banger said:
    Now I have to configure IPv6 networking as the server only allows one one IPv4 address. How can I got Proxmox to allocate more IPs out of the /64 I have?

    I just did that yesterday on my 1111 VM from GreenCloud Birthday Sale. I followed this guide https://community.hetzner.com/tutorials/install-and-configure-proxmox_ve#bridged-setup

    In bridged mode where do the mac address come from? Does Proxmox generate them itself with a guarantee of uniqueness?

    The Hetzner example allocates them from the Robot Cloud, but I don't think my provider has anything like that.

  • dev_vpsdev_vps Member
    edited October 2024

    @k9banger said:

    @jcolideles said:

    @k9banger said:
    Now I have to configure IPv6 networking as the server only allows one one IPv4 address. How can I got Proxmox to allocate more IPs out of the /64 I have?

    I just did that yesterday on my 1111 VM from GreenCloud Birthday Sale. I followed this guide https://community.hetzner.com/tutorials/install-and-configure-proxmox_ve#bridged-setup

    In bridged mode where do the mac address come from? Does Proxmox generate them itself with a guarantee of uniqueness?

    The Hetzner example allocates them from the Robot Cloud, but I don't think my provider has anything like that.

    #!/bin/bash

# Replace with your values
VM_PRIVATE_IP="192.168.100.10"  # Private IP of the VM
HOST_PUBLIC_IFACE="vmbr0"       # Public network interface on the host (e.g., eth0, vmbr0)
HOST_PUBLIC_IP="YOUR_PUBLIC_IP" # Public IP assigned to the host
VM_NET_IFACE="tap100i0"         # VM's network interface (e.g., tap100i0 for VM ID 100)

# Enable IP forwarding
echo "1" > /proc/sys/net/ipv4/ip_forward

# Set up NAT (masquerading)
iptables -t nat -A POSTROUTING -s $VM_PRIVATE_IP -o $HOST_PUBLIC_IFACE -j MASQUERADE

# Forward incoming traffic from public IP to the VM's private IP
iptables -t nat -A PREROUTING -i $HOST_PUBLIC_IFACE -d $HOST_PUBLIC_IP -j DNAT --to-destination $VM_PRIVATE_IP

# Allow forwarding between private and public interfaces
iptables -A FORWARD -i $HOST_PUBLIC_IFACE -o $VM_NET_IFACE -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -A FORWARD -i $VM_NET_IFACE -o $HOST_PUBLIC_IFACE -j ACCEPT

echo "NAT configuration applied successfully."
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