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When I try to open FireFox in my Linux machine from the CLI, this error shows up:

Error: cannot open display: :0

I have tried to set the DISPLAY to a lot of values, :0, :0.0, :1, :1.0, 0... I have also tried setting DISPLAY to my IP followed by :0.0 and the others listed above. Is there a way to find what should the DISPLAY be? Or is there any other solution?

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  • Firefox, typing firefox in terminal
    – Alan Mena
    Commented Mar 18, 2023 at 16:35
  • Rather than answering in comments it's better to edit the question as I now did for you. That way the relevant info is readily available and the question stays up-to-date.
    – Peregrino69
    Commented Mar 18, 2023 at 16:38
  • Try setting DISPLAY to 'IP:0.0' where IP is your workstation’s local IP. You may try 127.0.0.1.
    – harrymc
    Commented Mar 18, 2023 at 16:50

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