DBI connect('xxx','xxx',...) failed: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) at /usr/bin/usb_send.pl line 144
Tk::Error: Tk::Button=HASH(0x82f1e58) is not a Tk object at /usr/lib/perl5/Tk.pm line 91, <SGINFO> line 2.
 *Tk::Toplevel::_Destroyed
 Tk callback for .button
 (command bound to event)