[Unit]
Description=ROS Core
After=network.target

[Service]
Type=simple
ExecStart=/bin/bash -c "source /opt/ros/noetic/setup.bash; exec /opt/ros/noetic/bin/roscore"
Restart=always
User=jsfb
Environment="ROS_MASTER_URI=http://localhost:11311"

[Install]
WantedBy=multi-user.target