How to Fix Ubuntu Can’t Open the Terminal Issue

You can’t get the terminal in your Ubuntu machine to open. What can you do? While this issue seldom happens, it is a fact that the problem exists and can happen to you at anytime. Read on to learn what to do when your Ubuntu machine can’t open its terminal.

Also read: How to Fix Can’t Type in Terminal Issue in Linux

Are You Missing the Icon?

If you’re only missing the icon from which you used to run the terminal, that doesn’t mean the actual terminal itself is gone. You can find it among the rest of your installed apps, through Ubuntu’s activities menu.

1. Press the Win and start typing “terminal” in the search field to find it. Click on it to run it.
2. To re-add it to your desktop’s dock, right-click on the icon and select “Add to Favorites.”

Maybe, though, it’s even better to memorize the combination Ctrl + Alt + T on your keyboard. If you try it, you’ll see your terminal popping up.

Also read: How to Copy and Paste Text, Files and Folders in Linux Terminal

Is There a Software Conflict?

If the problem appeared after installing a new piece of software, maybe you’re dealing with a software conflict. It’s rare, but it happens, and there can be millions of reasons, depending on each unique combination of installed software. The easiest solution is to undo our last steps.

Start by uninstalling anything you installed just before the problem reared its ugly head. Hopefully, the problem will be solved.

If the problem persists, you can try more drastic measures, like restoring your whole system from a recent backup. You can then proceed to re-implement those changes one by one until you find the culprit and then undo this problematic step.

It’s worth noting that one of the most common conflicts has to do with the installation of Python. If the problem appeared after upgrading to the latest version of Python, there’s a small chance that it’s because the terminal isn’t configured to use it.

To solve the problem, try updating the reference to Python within the terminal. Move to one of the failsafe TTY terminals by pressing Ctrl + Alt + F3 at the same time. Re-log in there, and then enter:

sudo nano /usr/bin/gnome-terminal

Then, change:

#!/usr/bin/python3

to

#!/usr/bin/python3.8

Of course, if you’ve installed an even newer version of Python, you’ll need to update the above and tweak accordingly.

If you do not know which version of Python you’re running, you can check by running:

python3 --version

Also read: How to Save the Terminal Output to a File in Linux

Is the Terminal’s Configuration Mangled?

If the problem appeared after trying to tweak something in the terminal’s configuration, and you know what the problem is, you can use the failsafe terminal to try to undo the damage.

To access the TTY failsafe terminal, press Ctrl + Alt + F3 at the same time. Log in and then try to undo the changes you applied to your regular terminal through it.

For more user-friendly tweaking of your terminal’s configuration through GUI, install Dconf-Editor with:

sudo apt install dconf-editor

After it’s installed, run Dconf-Editor and acknowledge the warning that appears by clicking “I’ll be careful.”

Move to “/org/gnome/terminal/legacy” and revert the settings you changed.

If the problem appeared after tweaking your profile’s settings in your terminal, you can easily reset them to the defaults. Move to one of the TTY terminals (use Ctrl + Alt + F3) and enter:

dconf reset -f /org/gnome/terminal/legacy/profiles:/

Note, though, that this will delete all of gnome-terminal’s profiles and revert the default profile to its original settings.

Did the system crash on you? Here’s how to get out of a Ubuntu crash.

Do Your Locales Need to Be Regenerated?

If any application you installed or reconfigured lately messed with your locales, your terminal might also have issues opening because of that. The terminal depends on locale information to know how to display text in whatever language you use on your system. If this information is unavailable when the terminal asks for it, the program may just exit.

To purge and re-generate your locales:

sudo locale-gen --purge

Once that’s done, try re-opening your terminal emulator.

Also read: How to Use cURL for Command Line Data Transfer and More

Re-Install or Use an Alternative

Although this is closer to how you’d solve the problem if you were using Windows, you can try uninstalling and re-installing your terminal. Move to the failsafe TTY terminal with Ctrl + Alt + F3 and enter:

sudo apt remove gnome-terminal

After, re-install it with:

sudo apt install gnome-terminal

Finally, if nothing worked, you can always use an alternative terminal emulator, such as Guake and Tilix:

sudo apt install guake
sudo apt install tilix

Guake runs kind of like a service, with the terminal only showing up if you press the F12 key. Tilix functions more like a traditional terminal with more personalization features.

You can then use those instead of the default terminal, and you’ll always have the TTY failsafe as a backup.

Also read: 8 Useful and Interesting Bash Prompts

Frequently Asked Questions

Image credit: Guaxipo on Pixabay

Miguel Leiva-Gomez - Staff Writer

Miguel has been a business growth and technology expert for more than a decade and has written software for even longer. From his little castle in Romania, he presents cold and analytical perspectives to things that affect the tech world.