Open IRIS studio and management portal in Linux

Studio is already deprecated and works only on Windows

Accessing the management portal depends on how you installed IRIS and which version you used. Your installation may not have private web server installed, and you would need to install any webserver yourself.

run command:

iris list

it will output something like this

Configuration 'IRIS'   (default)
    directory:    /usr/irissys
    versionid:    2025.1.0L.172.0com
    datadir:      /usr/irissys
    conf file:    iris.cpf  (WebServer port = 52773)
    status:       running, since Sat Feb 15 06:34:51 2025
    SuperServers: 1972
    state:        ok
    product:      InterSystems IRIS

Here is WebServer port is what are you looking for, and the full URL will be http://localhost:52773/csp/sys/UtilHome.csp

If you don't have a private web server, check documentation, on how to configure separate web server