webapps-config

Configure MATLAB Web App Server from the command line on Windows, Linux, and macOS systems

Syntax

webapps-config get

webapps-config get keyname

webapps-config set keyname val

webapps-config help keyname

Description

webapps-config get returns the current MATLAB^® Web App Server™ configuration.

webapps-config get keyname returns the value associated with the key keyname.

webapps-config set keyname val assigns the value val to the key keyname.

webapps-config help keyname displays help for the key keyname.

Examples

Get Current Server Configuration

To retrieve the current server configuration, at the system command line, type:

webapps-config get 

                        port: 9988
                   apps_path: C:\ProgramData\MathWorks\webapps\R2025b\apps
                   logs_path: C:\ProgramData\MathWorks\webapps\R2025b\logs
               logging_level: normal
     log_archive_max_size_mb: 50
        log_rotation_size_mb: 10
            maximum_sessions: 63
session_idle_timeout_minutes: 5
     startup_timeout_seconds: 45
                 ssl_enabled: false
        ssl_certificate_file:
        ssl_private_key_file:

Get Configuration Value for Specific Key

To retrieve a configuration value for a specific key, at the system command line, type:

webapps-config get port

9988

Set Configuration Value for Specific Key

To set a configuration value for a specific key, at the system command line, type:

webapps-config set port 9999

Successfully changed "port". Changes will be applied the next time the server is started.

Verify that the port has been changed.

webapps-config get port

9999

Get Help for Specific Configuration Key

To get help for a specific configuration key, at the system command line, type:

webapps-config help logs_path

Folder where server logs are written

Enable SSL and Set Location to Certificate File and Private Key File

To enable SSL, at the system command line, type:

webapps-config set ssl_enabled true
webapps-config set ssl_certificate_file /home/user/my_server_certificate.pem
webapps-config set ssl_private_key_file /home/user/my_private_key.pem

Input Arguments

keyname — Configuration key

string

keyname	Description
port	Port that the server runs on.
license	Host name and port of the license server or a path to the license file.
apps_path	Path to folder containing the web apps.
logs_path	Path to folder containing the log files.
logging_level	Level of logging granularity. The options are: 'normal' | 'verbose' | 'minimal'
log_archive_max_size_mb	Maximum size of all log files in megabytes (MB) in the log directory.
log_rotation_size_mb	Maximum size of a log file in megabytes (MB) before it rolls over into another file.
maximum_sessions	Maximum number of sessions allowed by server.
session_idle_timeout_minutes	Timeout in minutes before terminating a session when idle.
startup_timeout_seconds	Timeout in seconds when starting a new session.
ssl_enabled	Verify if SSL is enabled.
ssl_certificate_file	Location of the SSL certificate file.
ssl_private_key_file	Location of the SSL private key file.
start_nolminit	Specify whether server can start without initializing license manager
app_session_full_screen (since R2022b)	Specify whether app sessions start in full-screen mode.
app_session_show_footer (since R2022b)	Specify whether to show app session footer and logs to specific users. Users can be specified as: all, authors, none
allowed_frame_ancestors (since R2023b)	Specify which websites are allowed to embed a web app within an iFrame HTML element by listing the allowed URLs separated by spaces. For example: "http://url1 http://url2"
allowed_event_origins (since R2023b)	Specify websites from which the web app that is embedded in an iframe HTML element can receive data.
vault_storage_path (since R2024a)	Folder containing secrets hosted by the server.
vault_password (since R2024a)	Password that protects secrets hosted by the server.

val — Configuration value

numeric or string

keyname	val	Default Value
port	Port number specified as a positive integer between 1 and 65535.	9988
license	Host name and port number of the license server or a path to the license file.	For examplea: 27000@myLicenseServer C:\myLicenses\license.lic C:\myLicenses\license.dat
apps_path	Path to folder containing the web apps. Specify as a string.	Windows® C:\ProgramData\MathWorks\webapps\R2025b\apps Linux® /local/MathWorks/webapps/R2025b/apps macOS /Library/Application Support/MathWorks/webapps/R2025b/apps
logs_path	Path to folder containing the log files. Specify as a string.	Windows C:\ProgramData\MathWorks\webapps\R2025b\logs Linux /local/MathWorks/webapps/R2025b/logs macOS /Library/Application Support/MathWorks/webapps/R2025b/logs
logging_level	Level of logging granularity. Specify as a string. The options are: 'normal' | 'verbose' | 'minimal'	normal
log_archive_max_size_mb	Maximum size of all log files in megabytes (MB) in the log directory. Specify as a positive integer.	50 MB
log_rotation_size_mb	Maximum size of a log file in megabytes (MB) before it will roll over into another file. Specify as a positive integer.	10 MB
maximum_sessions	Maximum number of sessions allowed by server. Specify as a positive integer.	1 session per gigabyte (GB) of RAM.
session_idle_timeout_minutes	Timeout in minutes before terminating a session when idle. Specify as a positive integer.	5
startup_timeout_seconds	Timeout in seconds when starting a new session. Specify as a positive integer.	45
ssl_enabled	Verify if SSL is enabled specified as Boolean.	false
ssl_certificate_file	Location of the SSL certificate file. Specify as a string.
ssl_private_key_file	Location of the SSL private key file. Specify as a string.
start_nolminit	Specify whether server can start without initializing license manager. Specify as boolean.	false
app_session_full_screen (since R2022b)	Specify whether app sessions start in full-screen mode. Specify as boolean.	false
app_session_show_footer (since R2022b)	Specify whether to show app session footer and logs to specific users. Users can be specified as: all, authors, none	all
allowed_frame_ancestors (since R2023b)	Specify which websites are allowed to embed a web app within an iFrame HTML element by listing the allowed URLs separated by spaces. For example: "http://url1 http://url2"
allowed_event_origins (since R2023b)	Specify websites from which the web app that is embedded in an iframe HTML element can receive data.
vault_storage_path (since R2024a)	Folder containing secrets hosted by the server.	Windows C:\ProgramData\MathWorks\webapps\R2025b\config\webapps_private Linux /local/MathWorks/webapps/R2025b/config/webapps_private macOS /Library/Application Support/MathWorks/webapps/R2025b/config/webapps_private
vault_password (since R2024a)	Password that protects secrets hosted by the server.	A password is randomly generated each time webapps-setup is run.
a To know the difference between license.lic and license.dat files, see MATLAB Answers.

More About

MATLAB Web App Server Command-Line Script Location

The command-line scripts are located in the script folder in your MATLAB Web App Server installation folder. For instance, the default locations for R2025b are as follows:

Operating System	Default Location of Command-Line Scripts
Windows (Administrator)	C:\Program Files\MATLAB\MATLAB Web App Server\R2025b\script
Linux (sudo)	/usr/local/MATLAB/MATLAB_Web_App_Server/R2025b/script
macOS (Intel® processor) (sudo)	/Applications/MATLAB/MATLAB_Web_App_Server/R2025b/script

Version History

Introduced in R2020a