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Installation Guide
Linux Installation
You can install Unica Link in two modes:
Link Utility
After extracting the HCL Link package, you can execute the Link script to begin installation.

Installation Guide
- Introduction to Unica Link
  Unica Link is a component that can be installed separately from the Unica application.
- Unica Link prerequisites
  Ensure that these prerequisites are met before installing Unica Link.
- Microsoft Windows installation
  This section describes how to install Link using the Windows Installer.
- Linux Installation
  You can install Unica Link in two modes:
  - Link Utility
    After extracting the HCL Link package, you can execute the Link script to begin installation.
    - configure Command
      The configure command is required before using any other command. This command is used to specify the installation type, the Unica integration, and the user or group that the installation is completed as. You must specify the correct option for --integration at a minimum.
    - install Command
      The behavior of the install and uninstall commands is extremely similar. Both commands will act upon the default components if none are specified as options. You can finetune the scope of each action by listing individual components.
    - start Command
      The behavior of the start and stop commands is extremely similar. Both commands will act upon the default components if none are specified as options. You can fine tune the scope of each action by listing individual components.
    - status Command
      The status command retrieves the status of each Unica Link component. Though the usage is similar between the native and docker installation types, the possible states are different.
    - stop Command
      The behavior of the start and stop commands is extremely similar. Both commands will act upon the default components if none are specified as options. You can fine tune the scope of each action by listing individual components.
    - logs Command
      The logs command prints the primary log of the chosen component. Because the log files may increase in size, you should pipe the output of this command into a tool so you can navigate better.
    - uninstall Command
      The behavior of the install and uninstall commands is extremely similar. Both commands will act upon the default components if none are specified as options. You can finetune the scope of each action by listing individual components.
  - Installation of Unica Link in Native Mode
  - Installation of Unica Link in Docker Mode
- Setting up Journey and Campaign for Unica Link
- Link Cosmos DB integration
  The purpose of this document is to guide on integrating your web application with Azure Cosmos DB for MongoDB. By following the steps outlined herein, you will seamlessly incorporate Cosmos DB into your application's data storage and retrieval processes.
- Logging
  Logs are produced for your use by Link, the Runtime REST API, and Kafkalink.
- Enabling Unica Link to run on HTTP protocol for Windows and Linux Installation
- Encrypting the password in the properties file
  To enhance security and safeguard sensitive information, encrypt the password stored in the properties file adding a layer of protection to the data.
- Verifying the config.yaml file
  This section describes how to verify the validity of your config.yaml file after making changes in it. When editing the config.yaml file, ensure that the modifications you make are valid. To verify the validity of your config.yaml file after making changes, perform one of the following procedures based on your setup:
- Configuring SSL Certificates for Link
  After installing Link, setup the custom SSL certificates for the Link web UI and the Link runtime application server.
- Troubleshooting
- Known issues
  Summary of known issues in this version of the product.

Link Utility

After extracting the HCL Link package, you can execute the Link script to begin installation.

For more information on installation, see Installation of Unica Link in Native Mode and Installation of Unica Link in Docker Mode.

The Link script supports the following commands:

configure
install
start
status
stop
logs
uninstall
<add import certificates command>

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