If you want to run a full node on the Bitcoin network, you might want to do so on a computer that doesn’t use so much power and is very inexpensive. The Raspberry Pi is an obvious choice for that. Here’s a tutorial on how to install the newest version of Bitcoin Core on the Raspbian OS, which is based on the Debian GNU/Linux distribution. If you have used Debian or Ubuntu Linux, you’ll find many things familiar about Raspbian.
The Raspbian repositories currently contain a very old version of the original Bitcoin client, Bitcoin Core. And in fact, only the text based back-end, bitcoind, not the graphical front-end bitcoinqt. It is, however, possible to compile the newest version of Bitcoin Core yourself. This process takes a while, but most of the time the system spends on its own while you needn’t intervene. To follow this tutorial, basic Linux/Unix command line experience is recommended, but probably not a requirement.