Command Line Options

Shared commands

-h or --help Display help text
-i or --inifile Set location of initialization file (overrides default)
-n or --nogui Disable GUI (for use in headless mode)
-p or --port Sets the local UDP port number. Default is 22124
-Q or --qos Sets the quality of service DSCP value. Default is 128. Disable with 0. QoS is ignored by Windows. To enable it, see section below
-t or --notranslation Disable UI language translations
-6 or --enableipv6 Enable IPv6 addressing (IPv4 is always enabled)
-v or --version Output version information and exit

Client only commands

-M or --mutestream Starts Jamulus in muted state
--mutemyown Mute me in my personal mix (“headless” mode only)
-c or --connect Connect to given server address on startup, format address[:port]
-j or --nojackconnect Disable auto JACK connections
--ctrlmidich MIDI controller channel to listen on, control number offset and consecutive CC numbers (channels) and Mute Myself CC number. Format: channel[;f*][;p*][;s*][;m*][;o] See Tips & Tricks
--clientname Window title and JACK client name

Server only commands

-d or --discononquit Disconnect all clients on quit. Normally, when a server is stopped or restarted, any clients that have not used their “Disconnect” buttons will re-establish connection when the server comes back up again. Using this option forces clients to manually re-establish their connections to the server.
-e or --directoryserver Register the server on a directory (e.g. to set its genre (see also -o)). See server types for further information.
--directoryfile Enable directory to remember registered servers even if the directory is restarted. You’ll need to specify a path to a writable file location in which server information is stored.
-f or --listfilter Whitelist servers registering on the server list, format ip address 1[;ip address 2] Directory Servers only. See server types
-F or --fastupdate Reduces latency if clients connect with “Enable Small Network Buffers” option. Requires faster CPU to avoid dropouts, and more bandwidth to enabled clients.
-l or --log Enable logging, set path and file name
-L or --licence Show an agreement window before users can connect
-m or --htmlstatus Enable HTML status file, set path and file name
-o or --serverinfo Location details in the format: [name];[city];[locale value] (see values) Public servers only
-P or --delaypan Start with delay panning enabled See notes
-R or --recording Include a writeable path where the files should be stored (in quotes if needed). See Options.
--norecord Disable recording when enabled by default by -R
-s or --server Start in server mode
--serverbindip Specify the IP address to bind to
-T or --multithreading Use multithreading to make better use of multi-core CPUs to support more clients
-u or --numchannels Maximum number of channels (clients)
-w or --welcomemessage Welcome message on connect
-z or --startminimized Start minimizied
--serverpublicip The public IP address of the server if connecting to a Directory behind the same NAT. See Notes on Directory Servers