Configuring the Image service

You can change the default settings in the Image service by editing the config.conf file and by updating Cognos Configuration.

Procedure

Edit the config.conf file.

In a text editor, open the file cognos_installation_location/image-service/client-scripts/unix/config.conf for Linux or the file cognos_installation_location/image-service/client-scripts/windows/config.conf for Microsoft Windows 10.

Specify values, as required, for the parameters listed in the following table:

Parameter	Description
`CERT_PATH`	The path to the catalog with included SSL certificates.
`HOST_NAME`	The fully qualified domain name of the host. The default hostname environment variable may or may not reflect the fully qualified domain name. This should reflect the external domain URL that must be used to reach this server. Note: The URL may be different if an external proxy is used for ingress to this host.
`HOST_PORT`
`SERVER_LIMIT`	This parameter can be used to set a ceiling on the number of user server instances that can be active at any time when the number of server instances reaches the defined limit. Subsequent users will see a page indicating that a session cannot be created and advising them to try again later. A link is also provided to retry starting the session. The default setting of 0 will not enforce any limit on the number of user server instances that can be created.
`MEM_LIMIT`	If necessary, you can set a memory limit for each user's container. The value can either be an integer (bytes) or a string with a 'K', 'M', 'G' or 'T' prefix. Examples: `MEM_LIMIT=150M` or `MEM_LIMIT=2G`. The default (no value) allows the user container to allocate what it needs.
`MAX_CONCURRENCY`	The number of headless browsers available.
`MAX_WAITING_CLIENTS`

Important: After you make any changes to the config.conf file, you must follow these steps:

Run the image-service/client-scripts/unix/build.sh command for Linux or the image-service/client-scripts/windows/build.bat command for Windows script to apply your changes.
Run the image-service/client-scripts/unix/startup.sh command for Linux or the image-service/client-scripts/windows/startup.bat command for Windows script to see your changes.