Install UR Robot Simulation URSim Ubuntu (Optional)

URSim not working in Ubuntu 20.04

Install the simulation UR Sim on Ubuntu Computer

This simulation software URSim is working on Linux based, you need the JDK 1.8 or similar to run the application. But you can run URSim on Windows by using the Virtual machine.

Step 1. Install the JDK 1.8

sudo apt install openjdk-8-jdk

Set default Java Version on Ubuntu

sudo update-java-alternatives --list
sudo update-alternatives --config java

Choose your wanted java version

There are 2 choices for the alternative java (providing /usr/bin/java).

  Selection    Path                                            Priority   Status
------------------------------------------------------------
  0            /usr/lib/jvm/java-11-openjdk-amd64/bin/java      1111      auto mode
  1            /usr/lib/jvm/java-11-openjdk-amd64/bin/java      1111      manual mode
* 2            /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java   1081      manual mode

Press <enter> to keep the current choice[*], or type selection number: 2

Check your Java version

java -version
# Output
openjdk version "1.8.0_312"

Step 2. Install the URSim software

cd ~
tar xvzf [FILE NAME]
cd ursim-5.X.X.XXXXX
./install.sh
#Start running UR Sim
./start-ursim.sh

UR Sim Loading