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Table of Contents

Prerequisite Knowledge for Linux

To deploy Cloud CX on Linux, you need to have some knowledge and skills of the Linux operating system, and here are some Linux infrastructures and popular Linux distributions that will be used.

Debian Buster 10, Debian Bullseye 11
Ubuntu 20.04 (LTS) Focal, Ubuntu Impish 21.10, Ubuntu 22.04 (LTS) Jammy
Docker 20.10 or higher.
IPv4/IPv6
Systemd
IP tables
Firewalld
HTTP

It only supports 64-bit OS.

This document assumes that the Linux OS is already deployed and administrators of Cloud CX have been granted root permission to Linux.

Cloud and Virtualization Environment Supported

To build a high-availability communication solution to help clients reduce cost and improve communication performance, Cloud CX commits support to cloud services and has confirmed compatibility with the following cloud and virtualized environments:

VMware ESX 5.X and above.
Microsoft HyperV 2016 R2 and above
Amazon AWS
ALI Cloud
Google Could
Microsoft AZURE
Digital Ocean

System Performance Depends On the Following Key Factors

Maximum simultaneous chat needed for CX
Maximum online agents needed for CX
Conversations & Files record storage
Maximum Flows(Bot) on CX
Maximum Chat Queues on CX

Depending on the key features listed above, Cloud CX is able to run on PCs and servers with various CPUs ranging from Intel i5 CPUs to Xeon.

Other Requirements

Latest Firefox, Google Chrome, Edge browser
Knowledge of Linux and Linux Internet administration
Ensure server date time is synced correctly.

FQDN Support

Although Cloud CX is designed to be able to run on servers without FQDN specified, we recommend specifying FQDN with the following advantages:

Easier access to Web Portal for Cloud CX
Easier management of clients after IP address change for CX
Convenient access to HTTPS when accessing Web Portal
Avoid browser warnings when accessing the WebRTC Client

The FQDN you are using must be able to be resolved correctly into the server with Cloud CX installed in LAN. If Cloud CX is installed on the public network, FQDN must be resolved correctly into the public network address for the server with CX installed.

Table of Contents

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1. Prepare the TLS certificate

When there is a need for additional security of the conversation traffic for Web (HTTPS) sessions, the Transport Layer Security (TLS) is used to secure the client's conversation connections. In TLS protocol, the data is encrypted and protected. TLS communication requires a certificate to authenticate the recipient of the secured data.

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Purchase a Domain (for example, cloudcxdemo.net) from the domain provider (for example, GoDaddy.) for your CX.
Add an A record in the Domain DNS zone, and resolve the Domain to your CX IP, for example: point the cx.cloudcxdemo.net to CX server IP.
Purchase a certificate from the trust certificate provider for your domain, for example, Digicert, Thawte, GeoTrust; If you want to make it easier to manage multi-tenants, you'd better apply for a wildcard certificate.
Generate the CSR file and private key file according to the certificate provider’s guide, and keep the files. Usually, you will have two files: the certificate and the private key. Note, please choose the certificates for Nginx.
Rename the private key file as yourname_cx.key.
Submit the CRS file to the certificate provider, and download the certificate files after your certificates were approved. This step will end up with two files: Intermediate CA certificate and SSL certificate. Note, some providers don't have the Intermediate CA certificate.
Please ignore this step if your provider doesn't provide the Intermediate CA certificate. Use a plain text editor, for example Windows Notepad (do not use MS Word) to open the Intermediate CA file and SSL certificate file, copy . Copy the Intermediate CA contents to append to the SSL certificate file, and rename the SSL certificate file as yourname_cx.pem. In the Linux environment, you can use the below commands to combine the certificate files.

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Now you will have two certificate files, the certificate file yourname_cx.pem , and the private key file yourname_cx.key.

NoteImportant: Please confirm the Certificate is a full-Chain certificate, otherwise some third-party platforms such as WhatsApp will reject the verification request. After the server is initialized, you can test the certificate integrity through the following test sites:

For example: https://www.sslchecker.com/sslchecker

2. Prerequisite Knowledge for Linux

To deploy Cloud CX on Linux, you need to have some knowledge and skills of the Linux operating system, and here are some Linux infrastructures and popular Linux distributions that will be used.

Debian Buster 10, Debian Bullseye 11
Ubuntu 20.04 (LTS) Focal, Ubuntu Impish 21.10, Ubuntu 22.04 (LTS) Jammy
Docker 20.10 or higher.
IPv4/IPv6
Systemd
IP tables
Firewalld
HTTP

It only supports 64-bit OS.

This document assumes that the Linux OS is already deployed and administrators of Cloud CX have been granted root permission to Linux.

3. Cloud and Virtualization Environment Supported

To build a high-availability communication solution to help clients reduce cost and improve communication performance, Cloud CX commits support to cloud services and has confirmed compatibility with the following cloud and virtualized environments:

VMware ESX 5.X and above.
Microsoft HyperV 2016 R2 and above
Amazon AWS
ALI Cloud
Google Could
Microsoft AZURE
Digital Ocean

4. System Performance Depends On the Following Key Factors

Maximum simultaneous chat needed for CX
Maximum online agents needed for CX
Conversations & Files record storage
Maximum Flows (Bot) on CX
Maximum Chat Queues on CX

Depending on the key features listed above, Cloud CX is able to run on PCs and servers with various CPUs, ranging from Intel i5 CPUs to Xeon.

More details, please refer to this link about server specifications. Server Specifications

5. Other Requirements

Latest Firefox, Google Chrome, Edge browser
Knowledge of Linux and Linux Internet administration
Ensure server date time is synced correctly.

6. FQDN Support