All posts in category Linux

Programming TrueSTUDIO .hex files over DFU on linux

So you have an Intel HEX (.hex) file from your microcontroller firmware (from Atollic TrueSTUDIO for a STM32 micro, for example), but you need a .dfu file in order to program your microcontroller using dfu-util? And can’t (or don’t want to) use the Windows-only DfuSe software? I hope this guide helps you out!


Setting up gmail as a relay host in postfix (without creating certificates)

When your linux box needs to send email (e.g., mail sent by a webpage, cron job output, etc), postfix can normally send the email directly to the recipient. However, if your ISP blocks port 25 outbound, or you want to keep a nice log of all outgoing messages, or want replies to arrive in your […]