How to change Lubuntu's default terminal?

Question

I have tried to change the terminal by either using the GUI:

Preferences -> LXQT Settings -> Session Settings -> Default Applications -> Terminal Emulation

or using the terminal with the following code:

sudo update-alternatives --config x-terminal-emulator

But I have had no luck changing the default terminal of my Lubuntu device.
Any ideas how could I change it?
I don't like the appearance of the current terminal.

Solution

There isn't a single setting for this yet. However if you change them all to x-terminal-emulator, which is a symlink, you can then later easily change them all at once by using update-alternatives as you already tried.

To change the global shortcut key's terminal:

Open Preferences > LXQT Settings > Shortcut Keys and double click on the item that has the shortcut you wish to change.

And edit the command.

To change terminal used by PCManFM-Qt, (file manager and desktop):

From the PCManFM-Qt File Manager menu open Edit > Preferences and select the Advanced tab, and Terminal Emulator field.

Default for terminal based programs (.desktop files with Terminal=true):

Run from lxqt-panel (panel and menu):

Set by Preferences > LXQT Settings > Session Settings, Default Applications tab, and Terminal Emulation field.

Run from PCManFM-Qt (file manager and desktop)

Always xterm in Lubuntu 18.10!

Should use PCManFM-Qt settings, and has been fixed for 19.04.

Comments

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On 16.04 there's no lxqt-panel but instead lxpanelctl config and then lxpanelctl restart.