For GTK-3 applications you can try setting the key gtk-decoration-layout in ~/.config/gtk-3.0/settings.ini.

For example:

# ~/.config/gtk-3.0/settings.ini
[Settings]
gtk-decoration-layout=:minimize,maximize,close

Command gsettings applies these settings without rebooting.

For example:

gsettings set org.gnome.desktop.wm.preferences button-layout :close

For GTK-3 applications you can try setting the key gtk-decoration-layout in ~/.config/gtk-3.0/settings.ini.

For example:

# ~/.config/gtk-3.0/settings.ini
[Settings]
gtk-decoration-layout=:minimize,maximize,close

The gsettings command can be used to apply these settings without restarting the desktop environment:

gsettings set org.gnome.desktop.wm.preferences button-layout :close

For GTK-3 applications you can try setting the key gtk-decoration-layout in ~/.config/gtk-3.0/settings.ini.

For example:

# ~/.config/gtk-3.0/settings.ini
[Settings]
gtk-decoration-layout=:minimize,maximize,close

For GTK-3 applications you can try setting the key gtk-decoration-layout in ~/.config/gtk-3.0/settings.ini.

For example:

# ~/.config/gtk-3.0/settings.ini
[Settings]
gtk-decoration-layout=:minimize,maximize,close

Command gsettings applies these settings without rebooting.

For example:

gsettings set org.gnome.desktop.wm.preferences button-layout :close