Quick Start

Homebrew

Install on macOS or Linux with Homebrew:

brew install nyg/jmxsh/jmxsh

JAR

Download the release JAR and run it directly:

java -jar jmxsh-<version>.jar

Debian/Ubuntu

Add the repository and install:

curl -fsSL https://jmx.sh/apt/gpg.asc | sudo gpg --dearmor -o /usr/share/keyrings/jmxsh.gpg
echo "deb [signed-by=/usr/share/keyrings/jmxsh.gpg] https://jmx.sh/apt stable main" | sudo tee /etc/apt/sources.list.d/jmxsh.list
sudo apt update && sudo apt install jmxsh

The standard installer now includes Serum 2 , which is a free upgrade for all existing users. Option B: For Splice Rent-to-Own Users Open the Splice Desktop App. Go to the "Apps & Plugins" (or "Tools") section.

If the update doesn't appear, ensure your lease is active; paused payments may block updates. How to Upgrade from Xfer Serum to Serum 2

Updating Serum in FL Studio is a multi-step process that varies depending on whether you purchased the synth directly or are using a Rent-to-Own plan. The update path depends on where your license is held:

Non-Interactive Mode

Automate JMX operations with scripts and pipes — perfect for monitoring, alerting, and CI/CD pipelines.

Script File

Run commands from a file:

java -jar jmxsh-<version>.jar \
  -l localhost:9999 \
  --input commands.txt

Piped Input

Pipe commands via stdin:

echo "open localhost:9999 && beans" \
  | java -jar jmxsh-<version>.jar -n

Commands

Command	Description
`open <host:port>`	Connect to a remote JMX endpoint (RMI)
`open jmxmp://<host:port>`	Connect to a remote JMX endpoint (JMXMP)
`open <pid>`	Attach to a local JVM by process ID
`domains`	List all MBean domains
`beans`	List all MBeans (filter by domain with `-d`)
`bean <name>`	Select an MBean for subsequent operations
`info`	Show attributes and operations of the selected MBean
`get <attr>`	Read an MBean attribute
`set <attr> <value>`	Write an MBean attribute
`run <op> [args]`	Invoke an MBean operation
`close`	Disconnect from the JMX endpoint
`jvms`	List local Java processes
`help`	Show all available commands

How To Update Serum In Fl Studio May 2026

The standard installer now includes Serum 2 , which is a free upgrade for all existing users. Option B: For Splice Rent-to-Own Users Open the Splice Desktop App. Go to the "Apps & Plugins" (or "Tools") section.

If the update doesn't appear, ensure your lease is active; paused payments may block updates. How to Upgrade from Xfer Serum to Serum 2

Updating Serum in FL Studio is a multi-step process that varies depending on whether you purchased the synth directly or are using a Rent-to-Own plan. The update path depends on where your license is held: