Proxmox VPS For WHMCS

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Contents

About Proxmox VPS For WHMCS

Proxmox VPS For WHMCS is a powerful module which allows you to automatically provision virtual servers to your clients.

With its help, your customers can manage virtual servers, backups, firewall as well as access VNC/SPICE console and much more - all this directly in your WHMCS client area.
Additionally, the module provides support for Cloud-Init for the KVM virtualization type and lets you conveniently manage all existing servers, IP addresses and clusters through the unique Proxmox Addon attached to the module.

  • Admin Area Features:
✔ Create/Suspend/Unsuspend/Terminate Server
✔ Create/Terminate User Account
✔ Change Package - Supports Configurable Options
✔ Boot/Reboot/Stop/Shutdown Server
✔ Change User Role
✔ Access noVNC And SPICE Console
✔ Migrate Server Between Nodes In The Same Cluster
✔ Reinstall Server
✔ View Server Status, Details And Statistics
✔ View Graphs - With Ability To Change Time Scale of MRTG Graphs
✔ Display Disk And Bandwidth Usage Of Each Product
✔ Display CPU And Memory Usage Of Each Product
✔ Display IP Sets (KVM)
✔ Auto Node - Possibility To Automatically Create VM On Node With The Most Free Space
✔ Configure Client Area Features Per Product
✔ Import IP Address To Hosting IP Addresses Table
✔ Return IP Address To IP Addresses Subnet
✔ Add Additional IP Address To VM
✔ Add Additional Storage To VM (KVM)
✔ Enable Backups Routing
✔ Enable Auto VM Backups Before Reinstall
✔ Receive Notifications About VM Upgrades And Creation Failures
  • Proxmox Addon Features:
✔ Display Servers List Per VPS And Cloud
✔ Manage IP Addresses Per Server, VLAN, Tag And Node
✔ Add Additional DHCP Server
✔ Display Servers Clusters
✔ Display KVM Templates
✔ Convert KVM VPS To KVM Template
✔ Set Minimum VM ID For Product Without ID Ranges Defined
✔ Synchronize Users Permissions
✔ VM Cleaner - Manage VM Not Existing In Your WHMCS
✔ Create And Store Full Backup Of VMs Configuration
✔ Manage SSH Key Pairs For KVM Template
✔ View Tasks History
  • Client Area Features:
✔ Boot/Reboot/Stop/Shutdown Server
✔ Reinstall Server Using Templates (KVM) And ISO Images
✔ Access noVNC And SPICE Console
✔ Create/Restore/Delete Backups
✔ Manage Backups Within Defined Limits (Max Number Of Files & Max Size Of Files)
✔ Manage Backup Jobs Within Defined Limits (Max Number Of Files & Max Size Of Files)
✔ View Graphs - With Ability To Change Time Scale of MRTG Graphs
✔ View Task History
✔ View Network Devices And Manage Private Interface
✔ Create Server Snapshot (KVM)
✔ Manage Firewall
✔ Download Public And Private SSH Keys (LXC)
✔ View Server Status, Details And Statistics
✔ Display Disk And Bandwidth Usage
✔ Display CPU And Memory Usage
✔ Choose Server Resources While Ordering And Upgrade/Downgrade Them Freely
  • Configurable Options:
KVM:
✔ Number of CPU Sockets
✔ Number of Cores Per Socket
✔ CPU Limit
✔ CPU Weight For VM
✔ Amount of RAM
✔ Disk Space
✔ Additional Disk Space
✔ Network Rate
✔ IPv4 Addresses
✔ IPv6 Addresses
✔ Backups Size Limit
✔ Backups Files Limit
✔ Bandwidth Limit
✔ VM Template
✔ Network Rate
✔ VCPUs
✔ ISO Image
✔ OS Type
LXC:
✔ Number of CPU Cores
✔ CPU Limit
✔ Amount of SWAP
✔ CPU Weight For a VM
✔ Amount of RAM
✔ Disk Space
✔ Additional Disk Space
✔ Amount of SWAP<
✔ IPv4 Addresses
✔ IPv6 Addresses
✔ Backups Size Limit
✔ Backups Files Limit
✔ Bandwidth Limit
✔ VM Templates
✔ Network Rate
  • General Info:
✔ Supports Cloud-Init (KVM)
✔ Supports PVE And PAM Authentication
✔ Supports KVM and LXC Virtualization
✔ Integrated With Advanced Billing For WHMCS - Actual Server Resource Usage Billing (read more)
✔ Integrated With IP Manager For WHMCS - Complete Management of IP Subnets (read more)
✔ Integrated With Server Allocator For WHMCS - Automatic Assignment Of Specified Servers To Products (read more)
✔ Multi-Language Support
✔ Supports Proxmox VE V5.2 And Previous
✔ Supports IPv4 and IPv6
✔ Supports PHP 5.6 Up To PHP 7.2
✔ Supports WHMCS Template Six
✔ Supports WHMCS 7.2 And Later

Installation and Configuration

This tutorial will show you how to successfully install and configure Proxmox VPS For WHMCS.

We will guide you step by step through the whole installation and configuration process.

Installation

1. Log in to our client area and download the module.
PX2 1.png
2. In the downloaded file you will find two packages that support different PHP versions.
As presented on the screen below, the first one is dedicated to PHP 5.6 up to PHP 7.0, while the second one is aimed at PHP 7.1 up to PHP 7.2.
It does not apply to open source versions.

Note: You can check the current PHP version in your WHMCS. To do so, proceed to 'Utilities' → 'System' → 'PHP Info'.

PHP56 72.png
3. Extract the downloaded file and choose the one with the right PHP version. Upload and extract the PHP file into the main WHMCS directory.

The content of the PHP version files should look like this.

PX2 2 1.png
4. Open 'UploadOnProxmoxServer' and upload the content of the proper version on all Proxmox servers into the '/usr/share/novnc-pve/' folder.
You should upload these files not only during the first installation of the module, but also each time you update it.

Note: If you wish to allow noVNC consoles, you need to configure a product using the PVE realm and set user permissions to 'PVEVMUser.'

5. When you install Proxmox VPS For WHMCS for the first time, you have to rename the 'license_RENAME.php' file.

The file is located in 'modules/servers/proxmoxVPS/license_RENAME.php'. Rename it from 'license_RENAME.php' to 'license.php'.

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6. In order to configure your license key, you have to edit the previously renamed 'license.php' file.

Enter your license key between the quotation marks as presented on the following screen.
You can find your license key in our client area → 'My Products'.

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Activation of Proxmox Addon

7. Firstly, activate the Proxmox Addon.

To do so, log in to your WHMCS and press 'Setup' 'Addon Modules'. Find 'Proxmox Addon' and press 'Activate'.

Note: The Proxmox addon version might not match the current version of the provisioning module itself. This is completely normal due to the specific structure of the module.

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8. In the next step, you need to permit access to this module.

To do so, click on the 'Configure' button, tick 'Full Administrator' and press 'Save Changes'.

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Configuration of Server

9. Now, we will show you how to configure a new product.

Go to 'Setup' 'Products/Services' 'Servers' and press the 'Add New Server' button.

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10. Next, enter your server name, IP address, username and password.

Choose an authentication type from 'Authentication' and 'Proxmox VPS' from the 'Type' dropdown menus. 'Save Changes'.

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11. After configuring your server correctly, you will see the following screen.

In order to check connection with a Proxmox server, simply press 'Test Connection' as shown on the screen below.

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12. It is time to create a server group. To do so, click on 'Create Server Group'.
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13. Enter the name, click on your previously created server, press 'Add' and afterward 'Save Changes'.
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Configuration of Product

14. In order to create and configure a product, go to 'Setup' 'Products/Services' 'Products/Services'.

Click on 'Create a New Group'.

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15. Enter a product group name and press 'Save Changes'.
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16. When you have a product group, you can assign your product to it.

To create a product, click on 'Create a New Product'.

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17. Afterward, choose your product group and its type from dropdown menus, enter your product name and press 'Continue'.

'Product Type' can be set to 'Dedicated/VPS Server' but nameservers will need to be added later.
If you do not want to fill out nameservers, please select 'Hosting Account' .

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18. Now, go to the 'Module Settings' section, choose both 'Proxmox VPS' and your previously created server group from the dropdown menus.

Next, 'Save Changes'.

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19. From the dropdown menus choose 'Virtualization Type', 'Default Node' and 'Template & ISO Storage'.

Available virtualization types:

  • KVM
  • LXC (supported by Proxmox VE 4.0 and later)
  • OpenVZ (supported by Proxmox VE 3.4 and earlier, prior to Proxmox v2.3.0)

You can also specify how often the bandwidth usage should be counted.
Afterward, press 'Save Changes'.
Note: If you choose the 'Auto-Node' as your 'Default Note', new virtual servers will be created on the least used node.

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KVM Virtualization Type

20. Setting the KVM virtualization type (skip, if you have chosen the LXC virtualization type).

From dropdown menus choose 'KVM OS Type' and 'Default Storage'.
Type your VM description in 'Container Description' and scroll down.
You can also define VM prefix by filling out the 'Default KVM Container Prefix' field.
Set 'Use Client name For VPS' to 'Yes' if you want to use either the client's company name or their first/last name as the hostname value.
Here you may also decide whether you wish to use DHCP software to automatically assign IP addresses. If so, simply select the 'ISC DHCP Server' option. Read more about its installation here.

PX2 18.png
21. Now, select the desired values in the following fields: 'Storage', 'Disk Type', 'CD/DVD-ROM Type', 'ISO Image', 'Network Mode' and 'Network Model'.

Additionally, set up backups in the 'Backups' section by choosing values from the 'Storage' and 'Backups Routing' dropdown menus.
Backups routing automatically removes the oldest backup as soon as a new backup is created and the backup limit has been reached.
Type in the desired number of days in the 'Store The Backup For N Days' field to remove backups older than the provided number.
In the 'Firewall Options' section you can set up available interfaces and the limit of firewall rules.
Important: Keep in mind that the root password is generated automatically for KVM virtualization upon its creation and reset.
If you want to set your own password on KVM virtualization, consult the Configuration of SSH Keys section.

PX2 19.png

LXC Virtualization Type

22. Setting the LXC virtualization type (skip, if you have chosen the KVM virtualization type).

From dropdown menus choose 'Default Storage' , 'Template' and 'Bridge'.
Enter your virtual servers description in 'Container Description' and press 'Save Changes'.
Remember! This virtualization type is supported only by Proxmox VE 4.0. and later
If you are using older version of a Proxmox server, you will not be able to start this virtualization.

PX2 19 1.png

OpenVZ Virtualization Type

23. Setting the OpenVZ virtualization type (skip, if you have chosen the KVM virtualization type).

Please note that OpenVZ virtualization is supported only by Proxmox versions prior to v.2.3.0

From the dropdown menus choose 'Default Storage' and 'OpenVZ OS Template'.
Additionally, define backup settings in the 'Backups' section by choosing values from the 'Storage' and 'Backups Routing' dropdown menus.
Backups routing automatically deletes the oldest backup when a new backup is created and a backup limit has been reached.
Fill out the desired number of days in the 'Store The Backup For N Days' field to remove backups older than the provided number.
Type your VM description into 'Container Description' and press 'Save Changes'.

PX2 20.png

Finalizing The Configuration

24. Afterward, press 'Generate default' nearby 'Configurable Options' and 'Custom Fields'.
PX2 21.png
By doing so, you will add the required custom fields and optional configurable options listed in this table.

Note that while generating 'Configurable Options' it is advisable to delete all options which you no longer use, e.g. for the KVM virtualization delete the swap option or IPv6.

25. At the end of the product configuration you have to add a cron job as shown below (5 minutes intervals are recommended).
php -q /your_whmcs/modules/servers/proxmoxVPS/cron/cron.php 

Do not forget to replace 'your_whmcs' with your WHMCS root location. The cron can also be run every single minute in order to perform the action more often.

Congratulations! You have just finished the installation and configuration of the module.

Configuration of Addon

26. Proceed to 'Addons' 'Proxmox Addon' 'Settings' 'General Settings' and set up cron jobs listed under the 'Cron' section.
PXC2 35.png
27. Adding a new IP address (if you are not using IP Manager For WHMCS).

In order to create a new product, you have to add 'Dedicated IP ' to the 'IP Addresses' list in 'Proxmox' addon module.
To do so, go to 'IP Management' and press 'Add Pool'.
Note: You can add both the IPv4 and IPv6 addresses.

PXC2 30.png
28. Start by typing a desired IP address and mask into 'IP Pool'.

Next, choose a server from the 'Server' dropdown menu and define which virtualization it should be applied to through selecting it from the 'Virtualization' dropdown menu.
Afterward, press 'Add'.
Note! Automatic IP assignment works only for OpenVZ/LXC machines.
KVM virtualization does not support IP Management provided by the module. Instead, IP can be assigned via the console.

PX2 23.png
29. You are now able to create a new product using the previously added IP address.

If you are using the KVM virtualization type, the client area with a successfully created product should look similar to the one on the screen below.

PX2 24.png
30.The client area with the LXC virtualization type product looks quite similar.
PX2 25.png

Configuration of SSH Keys (KVM)

Important! We highly recommended using the Cloud-Init feature instead of following the instructions described in this section if you are using Proxmox 5.2 or later and the module in the 2.5.0 version or later.


SSH keys are required to enable the automatic resizing of partition upon the disk upgrade as well as the change of passwords for the KVM virtualization type.
Note - 'Resize Partition', and 'Change Root Password' will only work for newly created VMs with ISC DHCP and Internet access configuration.
We recommend using this option only for new products.

PX2 61.png
31. First, create a new VM Template that you will use for the KVM image.

Then, generate SSH keys and add the public key to the root account on the newly created VM image. Moreover, upload both ( public and private ) keys on your WHMCS server in a secure location.

PX2 62.png
32. Next, while in your WHMCS, go to 'Proxmox Addon' 'Settings' 'SSH Keys' and press the 'Add' button.
PX2 63.png
33. Enter a name and location to the key pairs located on your WHMCS server.

Optionally, you can add a passphrase to increase security.

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34. Then, go back to the product configuration and in ' KVM Configuration' 'VM SSH Root Key' select the pair of keys you want to use.
Enter the SSH communication port and select features you want to use.
Make sure they match the 'KVM OS Template' that will be used.
PX2 65.png
35. Now, the 'Resize Partition' , 'Change Root Password' and 'Delete VM SSH Root Key' options should be available.
  • Resize Partition - if a customer upgrades a VM by changing the disk size to a larger one, the size of the last partition in that disk will be automatically increased by the newly added value.
    The feature deletes a current partition table, then creates a new one according to a new disk size, and reboots the VM.
    These partition types have to be standard, e.g. 'Linux Extended' (Ext2/Ext3/Ext4...), 'Linux SWAP' , 'Solaris' or 'LVM' .
    Important - in case of any failure, all data available on the resized partition might be lost!
  • Change Root Password - this option is responsible for the automatic reset of the password after the VM creation. It also allows users to generate a new root password while using the VM.
  • Delete VM SSH Root Key - it will automatically remove the default SSH key after the VM creation. Use it to increase security or leave unchecked for resizing partition feature.
    Important - if a customer decides to remove the public key from the VM on their own or the 'Delete VM SSH Root Key' option is enabled, it will make the 'Resize Partition' and 'Change Root Password' options no longer working!


From now on, all passwords for the newly created VMs will be generated automatically by WHMCS. The partition will be also automatically resized during the VM creation if a disk size is different than the one set as default in the template.
What is more, the administrator will be able to execute the action of partition resizing during the package change (if the disk size has been previously upgraded) and also set a custom root password in the 'Product/Services' settings.

PX2 66.png
The features above mentioned can be also executed in the client area using the options below.
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Cloud-Init (KVM)

Use cloud-init to configure the system during installation, first-boot and package change.
Cloud-init was initially developed to provide early initialization of cloud instances.
Click here to learn more about cloud-init configuration.

Configuration Of Product

To to use cloud-init, you need to enable it in the configuration of the Proxmox product.

Before you start, we recommend that you learn the details of cloud-init configuration on your Proxmox server first. Click here for more information.
Once you get familiar with Proxmox cloud-init, proceed to the Cloud-Init group of your KVM configuration where you can enable it and configure the following options:

  • Service Username - if enabled, the username for the VM will be taken from the details of WHMCS product services. Otherwise, it will remain unchanged and set by default as in the template or taken from the 'Default User' field if provided.
  • Service Password - if enabled, the password for the VM will be taken from the details of WHMCS product services. Otherwise, it will remain unchanged and set by default as in the template.
  • Service Nameservers - if enabled, the nameservers for the VM will be taken from the details of WHMCS product services. Otherwise, they will remain unchanged and set by default as in the template.
  • DNS Domain - provide a DNS domain for a container. During VM creation, the setting from the host will be automatically used if neither a search domain nor a nameserver is set.
  • Default User - provide the username that will be used for VM instead of using the 'Service Username' field or the default user of the configured image. Otherwise, leave empty.
PX2 51 new.png
In addition, you can allow clients to enter their own public keys for the VM during order so that they can log in to it using their private key instead of a password.
To enable this function, go to the 'Custom Fields' tab and add a new 'sshkeys|SSH Public Key' field, select the 'Text Area' type and the 'Show on Order Form' checkbox.
Note: This custom field is also auto-generated from the module settings, but with the 'Admin Only' option enabled. Remember to uncheck it to make this field visible to clients.
PX2 51 2.png
Now, when the client places a new order, they will be able to enter the public key here in the OpenSSH format.
PX2 51 3.png

Configuration Of Proxmox Server

The process of setting up Cloud-Init on the Proxmox server is described here.

Additionally, you can use the following commands that can be useful for debugging:

  • Re-run cloud init scripts
rm -rf /var/lib/cloud/sem/* /var/lib/cloud/instance /var/lib/cloud/instances/* &&
cloud-init init  &&
cloud-init modules -m final
  • Logs
cat /var/log/cloud-init.log
cat /var/log/cloud-init-output.log

Management

Proxmox VPS allows your customers to manage their PVE accounts via client area in your WHMCS system.

You can monitor and manage each product from your WHMCS admin area.

Admin Area

In the admin area you are able to view details and manage your client's VMs, access VMs consoles and even migrate VMs between nodes.

You are also able to add an IP address to a product. To do so, press 'Add New IP' as shown on the following screen.

PX2 26.png
Afterward, enter IP address in a textbox and confirm through pressing 'Save Changes'.
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Additionally, until the VM has been provisioned, you can manually assign to it the desired IP addresses from the pool by typing them in the 'Assigned IPs' field (available for 'Dedicated/VPS Server' product type).
This will override the automatic IP address assignment and the VM will use only the IP addresses you have entered to that field.

Note: The IP addresses you enter must be already existing in the IP Management pool and cannot be assigned to any other VM. This feature will also not work if you already use the IP Manager For WHMCS module.

PX2 27 2.png

Management of Addon

Servers Management

Server List

In 'Addons' 'Proxmox Addon' 'Servers' 'Servers List' you can find the configured Proxmox servers.

RAM details:

Assigned - RAM assigned to the server (hosting services only)
Total - full server RAM
Free - difference between Total Server RAM and Assigned RAM

Suspended - number of suspended accounts per size in MB
i.e. (1/500 MB) when there is only one suspended account (occupying 500MB of that account) assigned to Proxmox VPS server.
You can quickly define VM ID ranges for those servers. To do so, press 'Manage' .
Note: VM ID range allows you to sort created VMs depending on the server they were created on.

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Define ID range and save changes.
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Through pressing 'Edit' you will be moved to the server edit page.

VMs List

In 'Addons' 'Proxmox Addon' 'Servers' 'VMs List' you can find details of any Proxmox product.
PX2 28 1.png
Use the 'Toggle Filters' button to find entries you are most interested in.
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Recovery VM Lists

In 'Addons' 'Proxmox Addon' 'Servers' 'recovery VM List' you can find the configured Proxmox servers.

Run 'recovery cron job' to create and store full backups of VMs configuration.
Use the 'Export to File' button to save information of the cron execution.

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IP Management

In the 'IP Management' tab you can add, edit and remove IP addresses of Proxmox products.
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Automatic IP Address Assignment

Automatic IP address assignment can be easily applied to your Proxmox module. All you need to do is install 'DHCP' (Dynamic Host Configuration Protocol)
and IP addresses will be automatically requested from a DHCP server. As a result, the need to manually configure them will be reduced to the absolute minimum.
Important! This option is available only for the 'KVM' virtualization type.
When there are no IP addresses assigned to the module, then it will create a VM without any IP address. In that case, you should verify the configuration of your IP Manager.
After that you are allowed to run the 'Change Package' command in order to assign IP addresses.

Read the section below to learn how to properly install and configure DHCP.
1. First of all, you must install the SSH2 package on your WHMCS server. Find the precise instructions on how to do that here.
Please note that in order to use ISC DHCP, root details must be provided in the server configuration settings.
2. Now, you may move to ISC DHCP installation and configuration. Follow the steps below:
  • Install DHCP package on your Proxmox server (if you are using more than one, then do it on each one of them). Execute the below command to do so:
sudo apt-get install isc-dhcp-server
  • When ready, configure DHCP server in /etc/dhcp/dhcpd.conf file for IPv4 or /etc/dhcp/dhcpd6.conf for IPv6.
  • Now, run the below command to create the file for IPv4:
sudo nano /etc/dhcp/dhcpd.conf
  • Or the next command for IPv6 accordingly:
sudo nano /etc/dhcp/dhcpd6.conf

Below there is an exampple of how a properly created file should look like: /etc/dhcp/dhcpd.conf.
See what data it should contain:

# Sample /etc/dhcpd.conf
# (add your comments here) 
default-lease-time 600;
max-lease-time 7200;
option subnet-mask 255.255.255.0;
option broadcast-address 192.168.1.255;
option routers 192.168.1.254;
option domain-name-servers 192.168.1.1, 192.168.1.2;
option domain-name "mydomain.example";
subnet 192.168.1.0 netmask 255.255.255.0 {
#ProxmoxIPv4
host 1 {hardware ethernet 32:62:39:64:33:33;fixed-address 192.168.1.2;}
host 2 {hardware ethernet 32:39:61:31:33:66;fixed-address 192.168.1.3;}
}
  • Key words: #ProxmoxIPv6 #ProxmoxIPv4 suggesting the usage of a specific type of IP address must be located in one of the files mentioned above.
Note: Only a key word corresponding to the used IP type is required. If you do not use IPv6 then /etc/dhcp/dhcpd6.conf configuration and #ProxmoxIPv6 key word are not obligatory.
  • More info about configuring DHCP server can be found here.
3. Turn on ISC DHCP.

To use the automatic IP addresses assignment feature, select 'ISC DHCP Server' option in 'Module Settings' under the 'KVM Configuration' section.

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IP Manager Integration

Owing to the integration with IP Manager For WHMCS, you are able to easily create subnets with IP addresses and assign them to the desired products.

By activating the IP Manager submodule, settings concerning IP addresses such as 'Configurable Options' and 'Default Options' will be ignored by Proxmox VPS.
Note: This integration works only for LXC and KVM virtualization type. OpenVZ is no longer supported.

1. Proceed to the IP Manager For WHMCS → Subnets tab in order to prepare IP addresses subnet for Proxmox VPS For WHMCS.
2. Edit the previously created IP addresses subnet and create a custom field 'MAC Address' with a desired MAC address at each IP address in the subnet.
Note: Setting up MAC address is optional and can be skipped.
More details about creating custom fields can be found here.

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3. Afterward, create a new configuration and assign the previously created subnet to it.

Note: Multiple IP addresses subnets can be assigned to a single configuration.
4. Now, link the configuration with Proxmox VPS product via a product, a server or a configurable option.
On the following screen we have linked them via the configurable option assigned to the Proxmox VPS product.

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5. Now, enable the integration by proceeding to the '3rd Party Integration' tab.

Press 'Activate' next to the 'proxmoxVPS' module type as shown on the following screen.

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6. Next, assign the previously created configuration to the submodule.

Press 'Configure' , choose a configuration and press 'Save Changes'.

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If you encounter an error like the one on the below screen while integrating the two products, probably the function 'mb_strlen' is not enabled by default.
Please read the manual here for installation instructions.
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Clusters

The 'Clusters' tab contains the list of clusters. To view information about a cluster, simply press its name.
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Here you can find various information about a cluster, from available resource to usage graphs.
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Templates List

Under this page you can view the list of templates. You may also delete unused templates here.
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Create Templates

You can easily convert any KVM VM on your server to a template.

In order to convert a VM, go to 'Proxmox Addon' 'Templates' 'Create Template'.
Choose a server on which the VM to convert exists and press 'Next Step'.
Important: VM will be destroyed in the process.

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Next, choose a node and VM to convert.

Fill out 'Template Friendly Name' and press 'Save Changes'.

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General Settings

'Minimum VMID' allows you to define a minimal ID of a VM created on the server, which does not have any VMID range defined.

Cron job user synchronization - if you change a user role in the product settings, this cron job changes the roles of existing users.
Cron job recovery VM synchronization - runs regularly, responsible for updating list of recovered VMs, allows downloading results.

PX2 35.png

VM Cleaner

VM Cleaner allows you to track VMs existing only on your Proxmox server and that are not visible in your WHMCS.
Consequently, you are allowed to sort and delete only those VMs that cannot be managed from your WHMCS.
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SSH Keys

SSH Keys section allows you to manage your SSH key pairs that will be used for your KVM virtualization.

These keys will be next used to enable the automatic resizing of a partition upon the disk upgrade as well as the change of a root password on the VM.
For more information, go to the Configuration of SSH Keys section.

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Client Area

Client area interface of Proxmox VPS For WHMCS should look like the one on the screen below.

As you can see, control panel contains options useful for managing a VM.
The module allows your customers to easily 'boot', 'reboot', 'stop' and 'shutdown' their servers through pressing specific buttons.
Clients can also access the 'noVNC' and 'SPICE' consoles. Among 'Additional Tools' you will find options to 'reinstall' server, create 'backup' and set up 'backup jobs'.

Your clients are able to access resource usage 'graphs', view VM 'history', manage 'network' interface device and set up 'firewall' rules.
Additionally, in case of Proxmox VPS (KVM) clients may take 'snapshots' and manage 'disks'.

PX2 24.png
On the main product page in the client area, under the 'Details' headline your clients can find information about current usage of CPU, memory, disk (LXC only)
and SWAP (LXC only).

Customers can also view 'DNS' (LXC only) and 'IP Addresses'.

Client Area - VM Management

VNC Console

VNC console enables your clients to remotely manage their servers.

To access it, simply press the 'VNC Console' button. The console requires Java software. You need to accept security risk to run it.
Please note that only versions of Proxmox prior to v.2.3.0 support this console.
Remember that VNC Console is available for users of Proxmox VE 3.4. only!

PX2 39.png

noVNC Console

noVNC console allows your clients to connect to their server in the easiest possible way.
PX2 39 1.png

SPICE Console

SPICE console enables you to connect to virtual machine using SPICE.

Note: Your client needs to download and install client side SPICE application in order to connect with a VM.

PX2 40.png

Client Area - Additional Tools

Reinstall

Reinstall feature can be used to reinstall a new OS on the VM by the clients on their own.

You can allow your clients to either select a new OS from the provided KVM templates to automatically replace the system, or let them choose the ISO image for manual system installation.

Note: The ISO images can only be used for the KVM virtualization type, while VM templates can be used either for KVM or LXC.
Additionally, the new OS password for the KVM OS reinstallation will be set based on the previous service password while for the LXC user can define the OS password before a new installation.

PX2 38.png
You can configure the available 'KVM OS Templates' for clients in the 'KVM Configuration' .
PX2 38 2.png
Similarly, you can choose the available 'ISO Images' from 'CD/DVD-ROM Drive' .
PX2 38 3.png
Remember to also give your clients access to the selected reinstallation types in the 'User's Options' .
PX2 38 4.png

Backups

To create a single backup, press the 'Backups' button and click on 'New Backup' as shown on the following screen.
PX2 41.png
Now, choose 'Compress Dump File' and 'Backup Mode' from dropdown menus.

Afterward, press 'Add'.

PX2 42.png
To restore a VM from backup, press 'Restore' and then click the 'OK' button in a popup window to confirm.
PX2 43.png

Backup Jobs

By pressing 'Backup Jobs' in the client area, you will be forwarded to the backup jobs management page.

There you can easily edit/delete and preview details of existing backup jobs.
To add a new backup job, press 'New Job' as shown on the following screen.

PX2 44.png
Now, define a backup time, mark days to run it and choose 'Compression Dump File' and 'Backup Mode' from dropdown menus.

Next, press the 'Add' button.

PX2 45.png

Graphs

Through pressing the 'Graphs' button clients will be moved to the page with generated graphs of CPU usage, memory usage, network traffic and disc I/O.

They can also switch the timeline of graphs by choosing it from a dropdown menu pointed on the following screen. Choose from 'Hour', 'Day', 'Week', 'Moth' and 'Year'.

PX2 46.png

Task History

To access the history of a VM, simply press the 'Task History' button.
PX2 47.png

Network

Your clients are allowed to add/remove only private network interface devices.

Keep in mind that ' Network device' options must be set to 'Private'.

PX2 48.png

Snapshots (KVM only)

Use a snapshot to remember a current state contents of the virtual machine memory. You may use them later to restore the VM's settings.
PX2 48 4.png
Press the 'Take Snapshot' button and fill out the form to take a snapshot.
Name it (use alphabetical characters only), choose whether to include RAM and add a description.
PX2 48 5.png

Firewall

Owing to the 'Firewall' page, your clients can set up firewall rules and enable a security group for their servers from the WHMCS client area.

As you can see, you can easily modify and remove the previously added rules and security groups.
To add a new firewall rule (1) or a predefined security group (2), use the buttons marked on the following screen.

PX2 48 1.png
You can add a firewall rule in two ways. Both of them require choosing a direction, action, interface, source and a destination.

The first way (red) is to choose macro from the 'Macro' dropdown field.
The second way (blue) requires you to choose a protocol and fill in both source and destination ports.
Additionally, you can enable a rule and add a comment to it.
Press 'Add' to create a rule.

PX2 48 2.png
Choose a security group and an interface on which the group will be used.

Additionally, you can enable a security group and add a comment to it.
Click 'Add' to use the security group.

PX2 48 3.png

Disks (KVM only)

View available disks and add new ones.
PX2 48 6.png

Configurable Options

When you successfully set up a product, your client can order it by choosing from the default configurable options.
PX2 53.png
In case those options do not suit your needs, you can edit them.

Go to 'Setup' 'Products/Services' 'Configurable Option' and press the edit button next to the configurable option used by your product.

PX2 54.png
Here you can view all the products this configurable option group is assigned to.

Now, we will show you how to edit options. Let's say you want to add an option to order a VPS with 4 cores per socket.
To do so, edit 'The number of cores per socket' by pressing the edit button as shown on the screen below.

PX2 55.png
You will see a popup window, so make sure your browser does not block it.

To add a new option, enter it in the textbox below all other options. If you want to replace the option you currently have, simply edit the textbox.
Finish by pressing 'Save Changes'.

PX2 56.png

List of Configurable Options

The table below lists all configurable options used by the module for the chosen virtualization type.
Note that the name on the left is a variable (which you should not edit) separated by the | from the editable custom name.

KVM
LXC
The number of CPU sockets|CPU Sockets
cores|CPU Cores
The number of cores per socket|CPU Cores
cpulimit|Limit Of CPU
cpulimit|Limit Of CPU
CPU weight for a VM|CPU Weight For The VM
CPU weight for a VM|CPU Weight For The VM
Amount of RAM|Amount Of RAM
Amount of RAM|Amount Of RAM
Disk Space|Disk Space
Disk Space|Disk Space
Amount of SWAP|Amount Of SWAP
additionalDisksSpace|Additional Disks Space
IP Addresses|IPv4 Addresses
IP Addresses|IPv4 Addresses
IPv6 Addresses|IPv6 Addresses
IPv6 Addresses|IPv6 Addresses
Backups Limit|Backups Size
Backups Limit|Backups Size
Backups Files Limit|Backup Files
Backups Files Limit|Backup Files
Bandwidth|Bandwidth
Bandwidth|Bandwidth
VM Template|VM Template
VM Template|VM Template
Network Rate|Network Rate
Network Rate|Network Rate

vcpus|VCPUs
ISO Image|ISO Image

osType|OS Type

Management of Billing

When you combine Proxmox VPS For WHMCS with Advanced Billing For WHMCS, you will be able to set up additional billing options.

The module allows you to charge your customers basing on the server resources used by them.
Note: Advanced Billing supports OpenVZ (prior to Proxmox v2.3.0), KVM and the LXC virtualization type.

PX 57.png
With Advanced Billing For WHMCS module, you can also display the current resource usage of your customer's server and its total cost.
PX 58.png

Management of Existing Accounts

You can easily use Proxmox VPS module with your existing Proxmox accounts. To do so, follow the instructions below:

1. Create and configure a Proxmox VPS server and a server group.
2. Create and configure a Proxmox VPS product.
3. Place a new order with a previously created product for your customer. Do not activate the product yet.
4. Access the just created product from the admin area via client profile → 'Products/Services' section and fill out 4 custom fields.
They are 'vmid' and 'node' .
5. If possible, enter IP addresses into fields 'Dedicated IP' and 'Assigned IPs' .
6. Set the product status to 'Active' .
Remember not to click the 'Create' button during the entire process. That would unnecessarily create a new virtual machine.

Servers Location Management

Important: Server Allocator For WHMCS is required to allow locations management.

In order to allow defining locations for Proxmox VPS, follow the below steps:
1. In your product's 'Module Settings' set up 'Default Node' to 'Server-Node'.
2. Create a WHMCS server for each Proxmox node.
3. Manually create a configurable option, name it for example: 'Location'. Add options for each server within that config option.
4. Install our Server Allocator For WHMCS module and configure it properly.

It must assign a server to a product depending on the selected option in 'Location' configurable option.

Keep in mind that all locations must have exactly the same configuration.

Now, a client may order a VPS and select 'Location'. Server Allocator For WHMCS will change the server assigned to the product.

Create action is triggered on the assigned server due to the 'Server-Node' option enabled.

Tips

1. Operations performed on the virtual servers are not executed immediately. Give your Proxmox Virtual Environment some time to process the request and execute the operation.
2. Multiple physical Proxmox servers can be joined into one cluster.

When they are joined into one cluster, you can access all of them by connecting to just one.

  • auto-node - Creates a new VM on the server (node) with the most free resources, so the administrator cannot control it.
  • server-node - Creates a VM on the server node which IP address or node host (e.g. node1.yourproxmox.com) was provided during the WHMCS's server configuration,
    allowing the administrator to control the node choice.
3. If you set the product type as 'Hosting Account' when adding a new product, you will not need to fill out nameservers as they will be automatically set up.
4. OS Templates are not automatically downloaded while configuring a product.
For each virtualization type, templates are downloaded from the Proxmox server depending on which one they are generated.
5. OS Templates are loaded from the Storage. Make sure the module can access its content by selecting appropriate permissions for the chosen Storage.
6. KVM virtualization supports only graphs concerning 'Bandwidth'. Other virtualizations support all graphs.
This is due to API limitations.
7. When PAM authentication is used, it is necessary to create a client first in order to change the password correctly. Read more about it here.
8. As this module supports templates system, any changes made in the module's templates files will be saved after the upgrade process.
9. If you are currently using the module in the 2.3.2 version or previous, and would like to migrate to Proxmox VE V5.X, you need to update the files on your Proxmox server to the new version from the 'UploadOnProxmoxServer' folder.
10. OS Templates serve only as operating systems for a VM, while VM Templates contain complete configuration of a VM, the amount of resources included.
11. You can use the {$service_assigned_ips} tag in your welcome email template to display automatically assigned IP addresses for created VM (either KVM or LXC virtualization type).
12. 'One User Per VPS' option allows you to either create a new username for each new client's VM, or create only one that will be then used for every new VM owned by your client.
13. You can use the 'IPSet IP Filter' option for firewall to prevent IP spoofing. Click here to read more about IP Sets.

In the product details view in admin area you can preview the current IP Sets on VM:

PX2 68.png
14. You can enable 'Admin Notifications' on product configuration to be informed via email about certain actions. These are:
  • Service Creation Failed - if there were any errors that prevented a VM from being successfully created, then the selected email template will be sent to the administrator
  • Upgrade - select the email notification template you want to receive if the client requests the product upgrade.
    This will also block the automatic sending of an upgrade request to the Proxmox API so the administrator can review it first.
    Note that if chosen, the product will be still upgraded in the WHMCS itself but the upgrade request will not be passed to the API.
    To finalize the upgrade use the 'Change Package' module command in your admin area.
  • To-Do List - if checked, in addition to sending any of the above notifications, it will also add them as tasks on the WHMCS To-Do List.
PX2 69.png
15. 'Minimum Network Rate Limit' option allows you to change the previously entered 'Network Rate Limit' value to a new one if the current 'Bandwidth Limit' is already reached.
Note that the 'Bandwidth Limit' can also be used for WHMCS overage billing calculation as described here.
PX2 70.png
16. 'Default Username Prefix' - when filling in this field you may use the {$serviceid} parameter to avoid problems with creating usernames that already exist.

Update Instructions

Essential guidance through the process of updating the module is offered here.

Please note that each time you update the module, you have to also update the files on the Proxmox server described in the step 4 of the installation guide.



Keep in mind there is a quick and easy option in our client area that will let you upgrade the license of your module to an open source version at any time - and at a lower price!
To take advantage of it, simply use the License Upgrade button located on the product's page and a discounted invoice will be generated automatically.

Common Problems

1. When you have problems with connection, check whether your SELinux or firewall does not block ports.
2. Error 'Could not create PVE2_API object' during connecting via the noVNC console.

Reason: User account does not have permission to access the noVNC console.
Solution: Proceed to the product's 'Module Settings' tab and check whether selected a user permission grants access for the noVNC console.
Afterward, proceed to the client's hosting and run 'Change User Role' on it.

To change user role for all clients please use the 'Cron job users synchronization (run only once)' cron command.
You will find it in the 'Proxmox Addon' → 'General Settings'.

3. Error 'This connection is untrusted' during connecting via the noVNC console.

Reason: Your certificate is not valid.
Quick Solution: Your client needs to add the Proxmox address to the certificate exception list.
Best Solution: Configure a valid certificate.

4. Blank page during connecting via noVNC console.

Reason: You have not uploaded the additional files on the Proxmox server.
Solution: Open 'UploadOnProxmoxServer' and upload content of proper version on all Proxmox servers into the '/usr/share/novnc-pve/' folder.

5. Error 'Change password failed: user 'xxx' does not exist'

Reason: You have not created a client yet.
Solution: When PAM authentication is used, it is necessary to create a client first in order to change the password correctly. Read more about it here.

6. Error 'Function "ssh2_connect" does not exist. Please Install SSH2 PECL before you start using the script.'

Reason: You have not updated the php.ini file
Solution: After SSH2 PECL installation be sure that you have updated php.ini files for CLI and webserver.

7. Once you have updated your Proxmox VPS For WHMCS to Proxmox VPS For WHMCS V2.0.0, it is always required to save your product configuration
in module settings again.
8. The current disk usage for the KVM virtualization type is not properly displayed.
This is due to API limitations which currently do not return the correct value, which is always set to '0' .
9. Proxmox VPS For WHMCS does not provide a direct support for HA clusters.
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