O'Reilly logo

Instant Buildroot by Daniel Manchón Vizuete

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Generating an EXT3 filesystem for the SD card (Should know)

Sometimes it is interesting to use a non-volatile RFS in order to maintain configuration and user data that need to be retained after rebooting. For example, a web server that updates a database with user information should keep this information in non-volatile storage to work fine. In this recipe, you will learn how to generate image files that include different partitions in only one file. This is handy to provide to the customer an easy way to upgrade a system. The image that will be generated will be an EXT3 filesystem that will reside in the SD card.

Getting ready

We will use the last Buildroot status as a basis for this example.

How to do it...

  1. The first step will be generating the ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required