Command Line Options

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Home > Configuring Jamulus

While the most common functions in Jamulus can be set using the GUI, Jamulus can also be controlled using these options on the command line. Exactly how you do this will depend on your operating system.

For example, on Windows to enable recording with the -R option: right-click on the Jamulus shortcut and choose "Properties" > Target. Add the necessary arguments to Jamulus.exe:

"C:\Program Files (x86)\Jamulus\Jamulus.exe" -s -R "C:\path\to\your\Jam Recordings"

For Macintosh, start a Terminal window and run Jamulus with the desired options like this:

/Applications/Jamulus.app/Contents/MacOS/Jamulus -s -R "/path/to/your/jam recordings"

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You can see all possible options your version supports by starting Jamulus with the -h option.

Short	Long name	[...] means optional parameter
-c	--connect	Connect to given server address on startup, format address[:port]	(client only)
-d	--discononquit	Disconnect all clients on quit	(server only)
-e	--centralserver	Makes the server public. See also -o	(server only) See note.
-f	--listfilter	Whitelist given IPs to register on serverlist of this server.	(central server only) See note.
-F	--fastupdate	Use 64 samples frame size mode. Requires fast CPU to avoid dropouts, and more bandwidth if clients also connect with "Enable Small Network Buffers" option.	(server only)
-h,-?	--help	This help text	(client and server)
-i	--inifile	Initialization file name	(client (always) and server (with GUI))
-j	--nojackconnect	Disable auto Jack connections	(client only)
-l	--log	Enable logging, set file name	(server only)
-m	--htmlstatus	Enable HTML status file, set file name	(server only)
-M	--mutestream	Starts Jamulus in muted state	(client only)
-n	--nogui	Disable GUI	(client and server)
-o	--serverinfo	Server location details in the format: [name];[city];[[locale value]] (see values)	(public servers only)
-p	--port	Local UDP port number. Default is 22124	(server only)
-R	--recording	Include a writable path where the files should be stored (in quotes if appropriate).	(server only) See description in Server Setup.
	--norecord	Start recorder with recording disabled	(server only)
-s	--server	Start in server mode	(server only) See note
-t	--notranslation	Disable translations	(client and server)
-T	--multithreading	Enable multithreading	(server only)
-u	--numchannels	Maximum number of channels. Default is 10, maximum is 50	(server only)
-w	--welcomemessage	Supports HTML and inline CSS formatting (in enclosing quotes), or path to external text file.	(server only)
-z	--startminimized	Start minimized	(server only)
	--ctrlmidich	MIDI controller channel to listen on	(client only) see Tips & Tricks
	--clientname	Window title and jack client name	(client only)