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Headless Linux Installation

Install required packages:

sudo apt-get install xvfb firefox openjdk-8-jre

Edit /etc/systemd/system/xvfb.service:

Description=Xvfb service
ExecStart=/usr/bin/Xvfb :1 -screen 0 1280x1024x24 -ac +extension GLX +render -noreset

Start and set to start on boot:

systemctl daemon-reload
systemctl start xvfb
systemctl enable xvfb

Run this starting from ./katalon folder:

export DISPLAY=":1" && ./katalon -noSplash  -runMode=console -consoleLog -projectPath="/x/x/x.prj" -retry=0 -testSuitePath="Test Suites/X Suite" -executionProfile="default" -browserType="Firefox (headless)" 2>/dev/null | grep '\[PASSED\]'