How to bring back minimize and maximize buttons in Gnome 3

Solution 1:

The command line way

• add the values at the left side of : for buttons on the left side

  close,minimize,maximize:

  gsettings set org.gnome.desktop.wm.preferences button-layout "close,minimize,maximize:"
  

  

• add the values at the right side of : for buttons on the right side

  :minimize,maximize,close

  gsettings set org.gnome.desktop.wm.preferences button-layout ":minimize,maximize,close"
  

  

• or mix them

  close:minimize,maximize

  gsettings set org.gnome.desktop.wm.preferences button-layout "close:minimize,maximize"
  

  

The GUI way

Start the gnome-tweak-tool, open the Windows tab and switch the buttons for Titlebar Buttons in the right panel