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Introduction

Overview
- What is the On-Premise Controller?
Requirements

Installation

Installation
- Which version should I use?
Install on Linux
- Linux Prerequisites
- Run the OPC install script
Install on VMWare
Install on Virtualbox
- Install the Virtualbox OVA
Install on Proxmox
- Install the OVA on Proxmox VE
Install on Hyper-V
- Install the Hyper-V OVA
Install on Windows
- Windows Prerequisites
- Installing on Windows

Using the OPC

Accessing the OPC Web interface
- Using the OPC command
Using the OPC

Instances

Clustering

Backups

Via the GUI
Via the CLI
- Backing up your instance
- Manual Backups
External Backups
- Considerations for External Backups

Troubleshooting

Advanced Configuration

Firewalls and Networking
Host Configuration
Optimization
- Database optimization
- PHP performance optimization
Disk Management
ElasticSearch
Database
- Modifying MySQL configuration
- Encrypting MySQL
Web
- Adding custom Nginx configuration
Advanced instance setup and configuration
- Migration of data from Zendesk to Deskpro
- Migration of data from Spiceworks to Deskpro

Horizon Upgrade

OPC and Docker

Deskpro container image

Elasticsearch Connectivity

in Instance Problems

Published: Jun 29, 2022|Last updated: Jul 13, 2022

The Elasticsearch connectivity of an instance is configured via the OPC. The following warnings are raised if any errors are detected:

Severity	Trigger
High	Unable to connect to the instance Elasticsearch index for any reason
High	The index health is reported as `red` by Elasticsearch

Remediation

Please review the message that is presented in the Problem GUI and take action as required (e.g. start the Elasticsearch service if it is not running).

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