I can't start my server it keeps giving me a message I don't really understand.
root@serverzero:/opt/modedminecraft# java -jar forge-1.19.2-43.2.8-installer.jar
JVM info: Private Build - 17.0.6 - 17.0.6+10-Ubuntu-0ubuntu122.04
java.net.preferIPv4Stack=true
Found java version 17.0.6
Exception in thread "main"
java.awt.HeadlessException:
No X11 DISPLAY variable was set,
but this program performed an operation which requires it.
at java.desktop/java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:166)
at java.desktop/java.awt.Window.<init>(Window.java:553)
at java.desktop/java.awt.Frame.<init>(Frame.java:428)
at java.desktop/java.awt.Frame.<init>(Frame.java:393)
at java.desktop/javax.swing.SwingUtilities$SharedOwnerFrame.<init>(SwingUtilities.java:1919)
at java.desktop/javax.swing.SwingUtilities.getSharedOwnerFrame(SwingUtilities.java:1995)
at java.desktop/javax.swing.JOptionPane.getRootFrame(JOptionPane.java:1695)
at java.desktop/javax.swing.JOptionPane.showOptionDialog(JOptionPane.java:874)
at java.desktop/javax.swing.JOptionPane.showMessageDialog(JOptionPane.java:676)
at java.desktop/javax.swing.JOptionPane.showMessageDialog(JOptionPane.java:647)
at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:177)
at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:147)
(Also I am using Ubuntu server's latest version.)
I don't know to get the required packages for the server.
