If I execute "sudo service networking restart" or "sudo service networking stop" all ttyX are inaccessible and it closes all graphical sessions. Only it shows a black screen with a cross (the mouse pointer) on it.
If I execute "sudo service networking restart" or "sudo service networking stop" all ttyX are inaccessible and it closes all graphical sessions. Only it shows a black screen with a cross (the mouse pointer) on it.