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Using Ctrl+Alt+Del for the task manager in Ubuntu. If the sole purpose of pressing the Control Alt Delete keys is to launch the task manager in Linux, you can do it the Linux way. Just search for “task manager” or “system monitor” in the menu and start the application from there.
Add a mouse shortcutOn the Keymap page of the Settings/Preferences dialog Ctrl+Alt+S , right-click an action and select Add Mouse Shortcut. In the Mouse Shortcut dialog, move the mouse pointer to the central area and click or scroll as necessary. Click OK to save the shortcut.
If you choose Code | Reformat Code from the main menu or press Ctrl+Alt+L , IntelliJ IDEA tries to reformat the source code of the specified scope automatically. For more details on how to reformat, or exclude files from formatting, refer toReformat code.
Ubuntu binds this key combination to Switch Workspace. Starting from Ubuntu 18.04, you need to use the command line to change the shortcut (source). To remove the offending shortcuts completely, allowing IntelliJ to use them, these commands worked for me:
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-left "[]"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-right "[]"
If you ever want to restore the shortcuts, use:
gsettings reset org.gnome.desktop.wm.keybindings switch-to-workspace-left
gsettings reset org.gnome.desktop.wm.keybindings switch-to-workspace-right
I just found out that my IDEA 2018.3 in Ubuntu 18.04 automatically uses default for GNOME keymap, and the Back/Forward shotcut turns out to be Alt + Shift + Left/Right, no need to change any system settings.
The right setting is combinations of already posted answers. To sum up:
1. Remove key bindings of Ctrl+Alt+Right/Left to GNOME enviroment
In terminal run:
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-left "[]"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-right "[]"
2. Assigne the bindings to Forward / Back actions in Idea IntelliJ
If you use Keymap setting based on GNOME keymap the defaults for Forward / Back actions are not Ctrl+Alt+Right/Left. It must be setted.
In Idea IntelliJ menu
File | Settings | Keymap
search for
Main menu - Navigate - Forward
click on edit shortcuts and set it to Ctrl+Alt+Right
then search for
Main menu - Navigate - Back
click on edit shortcuts and set it to Ctrl+Alt+Left
Works on versions: Ubuntu 18.04.3 LTS Idea IntelliJ 2019.2.3
Ubuntu has a shortcut Ctrl+Alt+Left/Right to navigate between workspaces. When i changed it under system settings, IDE is able to pick up the shortcut.
Ctrl + Windows Key + Alt + Left/Right worked on my Linux Fedora 22.
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