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After upgrading to Ubuntu 17.10 from 17.04, I have been unable to launch gnome-terminal.
Upon clicking terminal icon, the taskbar shows terminal loading bar but then disappears after a few seconds.

Terminal loading in the taskbar:

Image

I have tried the following:

  • Purged and Re-installed gnome-terminal
  • sudo apt-get autoremove and fix-missing
  • Changed locale to en_US in /etc/default/locale

I am able to access xterm and running gnome-terminal returns the following:

No protocol specified  
Unable to init server: Could not connect:
Connection refused   
Failed to parse arguments: Cannot open display:

Searching the error gives results solving terminal access issues over an ssh connection which is not my case.

How do I fix this and get gnome-terminal running?

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    A work-around is to install another terminal emulator. There are many, that are on par with gnome-terminal. Some are lighter, some are more powerful. Do you want tips about suitable candidates?
    – sudodus
    Commented Oct 30, 2017 at 11:47
  • @sudodus Yeah sure! Xterm doesn't let me use copy-paste shortcuts. Anything that does will be handy Commented Oct 30, 2017 at 11:53
  • lxterminal and sakura are light, xfce4-terminal is medium (comes with Xubuntu), tilda has special features ..., I have read about terminator but not used it. -- But you can mark and paste with xterm according to this link, askubuntu.com/questions/961175/…
    – sudodus
    Commented Oct 30, 2017 at 12:04
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    I have installed Terminator which works good. It does support copy-paste . Thanks for the suggestions. @sudodus Commented Oct 30, 2017 at 12:11
  • I think you might stay with terminator :-)
    – sudodus
    Commented Oct 30, 2017 at 12:16

2 Answers 2

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I has the same problem but with file-roller and follow this solution.

You have to change this file /etc/ssh/sshd_config (with root permissions). Just add

X11Forwarding yes

After saving the file, initialize a new terminal or reboot the system.

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    I tried this method and reinstalled gnome-terminal. Checked sshd_config and it already has X11Forwarding set as yes. So the solution doesn't work for me. I guess I will just continue using terminator for now. Thank you for your answer @Santoja . If the answer does help someone, let me know, I will accept the answer. Commented Oct 31, 2017 at 6:21
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If you have installed new python 3.5 env you are unable to open gnome-terminal. Use the following commands:

  1. sudo rm /usr/bin/python3
  2. sudo ln -s python3.5 /usr/bin/python3

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