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While it was the launch of the Raspberry Pi 4 that snagged all the headlines this week, it wasn't the only new product to come out of the Raspberry Pi Foundation. The not-for-profit also released a new version of its Raspbian Linux distribution, dubbed 'Buster.' You need Buster to run Raspberry Pi 4, but it also works on and improves the experience for any older Raspberry Pi.

Raspbian Buster is the latest release of the Raspbian operating system. This release brings numerous behind the scenes fixes as well as access to more modern packages.

Updating to Raspbian Buster is a reasonably straightforward process and mainly requires modifying two simple files and then running an upgrade.

Before upgrading your Raspberry Pi from Raspbian Stretch to Buster you should first make a backup of your SD Card, there is a chance that this upgrade process will break your existing installations.

If you have some critical software running on your Raspberry Pi, it’s best to do a quick search to ensure there aren’t any compatibility issues on the latest release.

Aunque siempre podemos hacer una instalación limpia de Raspbian descargando la última versión desde su página web y copiándola a la micro-sd, si tenemos archivos, programas y servicios en nuestro Raspberry Pi seguramente no nos interese hacer una instalación limpia.
En este caso, os vamos a explicar cómo actualizar un Raspberry Pi con Raspbian a la nueva versión Raspbian Buster.