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• API Viewer

• PVE HowTos

• Forum

• Ansible Module

• Need to configure Proxmox vms to use less RAM for buffer cache

Quick Help

• Machine ID Causing DHCP to give the same IP

  • fixing-ubuntu-18-04-virtual-machines-that-fight-over-the-same-ip-address

  • netplan docs

  vi /etc/netplan/...
  dhcp-identifier: mac
  
  
  truncate -s 0 /etc/machine-id
  rm /var/lib/dbus/machine-id
  ln -s /etc/machine-id /var/lib/dbus/machine-id

• Disk Operations

  • grow, expand, mount new disk operations

  • https://pve.proxmox.com/wiki/Resize_disks

  # resize the disk in pve console
  parted /dev/sda
  resizepart 3
  quit
  reboot
  
  # PV
  pvresize /dev/sda3
  lvresize --extents +100%FREE --resizefs /dev/mapper/ubuntu--vg-ubuntu--lv
  
  # X
  growpart /dev/xvdf 1
  resize2fs /dev/xvdf1
  
  # utils
  lsblk
  df -hT
  cat /proc/partitions
  
  # add disk
  lsblk
  pvs, vgs, lvs 
  pvdisplay, vgdisplay, lvdisplay
  pvcreate /dev/sdb
  vgcreate vgname /dev/sdb
  lvcreate -L 100G -n mylogicalvolume vgname
  mkfs.ext4 /dev/myvolumegroup/mylogicalvolume
  mkdir /mnt/data
  mount /dev/myvolumegroup/mylogicalvolume /mnt/myvolume
  # add to /etc/fstab
  /dev/ubuntu-vg2/ubuntu-lv2 /mnt/data ext4 defaults 0 2

• From AWS Expand Volume

• First things to do - TechnoTim

• KVM

• TechnoTim Reference Files

• Put Wildcard Certificates and SSL on EVERYTHING

Links

• Docker

  • https://danthesalmon.com/running-docker-on-proxmox/

  • https://github.com/lnxbil/docker-machine-driver-proxmox-ve

• Network

  • Software Defined Network (SDN)

    • https://pve.proxmox.com/pve-docs/chapter-pvesdn.html

    • https://forum.proxmox.com/threads/how-to-enable-loopback-hairpin-nat-so-that-a-container-can-reach-another-container-via-pve-public-ip.119464/

    • https://forum.proxmox.com/threads/proxmox-7-2-sdn-creation-issue.112137/

    • https://forum.proxmox.com/threads/sdn-nodes-out-of-sync.111566/

    • https://forum.proxmox.com/threads/sdn-configuration-question.112250/

    • https://forum.proxmox.com/threads/use-pve-nodes-external-ip-address-to-reach-service-of-a-internal-network-via-dnat.119013/ - pictures

  • VPN

    • https://www.wireguard.com/

  • OpenVPN

    • Setup Video

    • How To Set Up and Configure an OpenVPN Server on Ubuntu 20.04

  • Bind

    • https://www.digitalocean.com/community/tutorials/how-to-configure-bind-as-a-private-network-dns-server-on-ubuntu-16-04

  • NFS

    # replace on with options
    zfs set sharenfs=on rpool3/share/data
    
    cd /etc/exports.d
    zfs.exports

  • Samba SMB

    # replace on with options
    zfs set sharesmb=on rpool3/share/data

  • OpenWrt

    • https://openwrt.org/docs/guide-user/start

  • VLAN

    • https://pve1.overton-design.com:8006/pve-docs/chapter-pvesdn.html

    • Reduce MTU to account for tagging?

• Storage

  • PVE Storage

  • ZFS

    • https://wiki.archlinux.org/title/ZFS#Storage_pools

    • Sharing nfs and smb

    • https://pve.proxmox.com/wiki/ZFS_on_Linux

  • Ceph

  • NAS

    • How to create NAS on proxmox

  • Unraid

    • Getting Started

    • Downloads

  • OpenMediaVault (OMV)

  • Passthrough

    • https://pve.proxmox.com/wiki/Passthrough_Physical_Disk_to_Virtual_Machine_(VM)

• SPICE

  • https://www.spice-space.org/index.html

• Private DNS

  • Use pihole local DNS

  • https://www.digitalocean.com/community/tutorials/how-to-configure-bind-as-a-private-network-dns-server-on-ubuntu-16-04

• Timemachine

  • Not really usable due to chatty network requests

  • https://www.grizzly-hills.com/2019/11/02/ubuntu-19-10-setting-up-time-machine/

• Trainings on YouTube

  • CraftComputing

  • TechnoTim

  • OneMarcFifty

  • Article with good detail

    • https://www.smarthomebeginner.com/proxmox-vs-esxi/

• Realtek 8125 Driver

  • Get the driver
    • https://www.realtek.com/en/component/zoo/category/network-interface-controllers-10-100-1000m-gigabit-ethernet-pci-express-software
    • See Linux section

  • Instructions
    • https://forum.proxmox.com/threads/getting-realtek-8125-drivers-working-with-proxmox.86991/

  cd r8125-9.005.01/
  apt install build-essential
  apt install dkms
  dpkg -l |grep pve-kernel
  # get the latest version
  apt install pve-headers-5.4.106-1-pve
  ./autorun.sh

• Terraform provider

  • https://github.com/Telmate/terraform-provider-proxmox

• GuestAgent

  • Options → QEMU Guest Agent → Enable and reboot

  apt-get install qemu-guest-agent
  yum install qemu-guest-agent
  systemctl enable qemu-guest-agent
  systemctl start qemu-guest-agent
  

• Using Cloud Images

  • https://github.com/libguestfs/guestfs-tools

  • TechnoTim cloud images

  • Ubuntu Clould Image List

  • Image Guide

  • Install virt-customize

    apt install libguestfs-tools

  • Create Template

    • TechnoTim

    • Ubuntu Image Names

    export ID=8005
    export DIST=noble # 24.04
    
    # This image is QCOW format
    wget https://cloud-images.ubuntu.com/$DIST/current/${DIST}-server-cloudimg-amd64.img
    virt-customize -a ${DIST}-server-cloudimg-amd64.img --install qemu-guest-agent
    
    qm create $ID --memory 2048 --core 2 --name ubuntu-$DIST --net0 virtio,bridge=vmbr0
    qm importdisk $ID ${DIST}-server-cloudimg-amd64.img local
    qm set $ID --scsihw virtio-scsi-pci --scsi0 local:${ID}/vm-${ID}-disk-0.raw
    qm set $ID --ide2 local:cloudinit
    qm set $ID --boot c --bootdisk scsi0
    qm set $ID --serial0 socket --vga serial0
    qm set $ID --agent enabled=1
    virt-customize -a /var/lib/vz/images/$ID/vm-${ID}-disk-0.raw \
     --truncate /etc/machine-id \
     --delete /var/lib/dbus/machine-id
    qm set $ID --ipconfig0 ip=dhcp
    qm set $ID --sshkeys ./myron.pub
    
    # convert to template
    qm template $ID # create template
    
    # use it
    qm clone $ID 135 --name name_it --full

• Some Good Blog Entries

  • https://dannyda.com/2021/04/10/how-to-completely-remove-delete-or-reinstall-ceph-and-its-configuration-from-proxmox-ve-pve/