Mutter is what is known as a compositing window manager, which means that rather than individually drawing the window frames straight onto the existing windows on screen, it draws all the windows to a memory buffer off screen, where it creates a complete image for the entire screen. The window manager is responsible for drawing the title bar and window frame around each application window. One of the changes which was prompted by the move to GTK+3 is that we are using a new window manager, called mutter, instead of the openbox window manager used in previous releases. GTK+3 just gives us a more modern basis for future development, and brings us into line with other Linux desktop environments. Some other controls have a slightly different appearance, but we’ve tried to make sure that everything still looks familiar and largely unchanged. You’ll notice a few changes to widgets – the most obvious is the new appearance of tabbed interfaces. It has ended up being necessary to find work-arounds to a lot of these – hopefully no one will notice them and everything will still work as before! The simple answer is that many things are much easier to do with GTK+2 than with GTK+3, particularly when it comes to customising the appearance of widgets – GTK+3 has removed several useful features which we relied upon. GTK+3 has been around for several years now, and people have occasionally asked why we didn’t move to it before now. Up until now, most of the desktop has used version 2 of the GTK+ toolkit, but increasing numbers of Debian applications are using GTK+3, so to try and keep things consistent, we’ve upgraded all our software and the desktop itself to the newer version. GTK+ is a layer of software that applications can use to draw standard user interface components (known as “widgets”) such as buttons, menus and the like, so that all applications have a consistent look and feel. GTK+3Īll of the desktop components and applications are now using version 3 of the GTK+ user interface toolkit. ![]() However, over and above the changes in Debian itself, the ‘bullseye’ version of Raspberry Pi OS has a number of significant changes to the desktop environment and to the support for Raspberry Pi hardware. So what is new this time?ĭebian ‘bullseye’ has relatively few major changes which are visible to users – there are some under-the-hood changes to file systems and printing, but most of the changes are patches and upgrades to existing applications and features. In the browser of your desktop system, within a few minutes you will be able to reach your new Home Assistant at homeassistant.local:8123.We’ve been working on the corresponding ‘bullseye’ release of Raspberry Pi OS it’s taken a bit longer than we’d hoped, but it is now available. Plug in an Ethernet cable that is connected to the network.Ĭonnect the power supply to start up the device. Insert the SD card into your Raspberry Pi. Wait for the Home Assistant OS to be written to the SD card.Note: the contents of the card will be overwritten. Choose the Home Assistant OS that matches your hardware (RPi 3 or RPi 4).Select Other specific-purpose OS > Home assistants and home automation > Home Assistant.Download and install the Raspberry Pi Imager on your computer as described under.If Raspberry Pi Imager is not supported by your platform, you can use Balena Etcher instead. This guide shows how to install the Home Assistant Operating system onto your Raspberry Pi using Raspberry Pi Imager. After installation, Home Assistant can work with Wi-Fi, but an Ethernet connection is more reliable and highly recommended. The brand doesn’t matter, just pick the cheapest. This is already part of most laptops, but you can purchase a standalone USB adapter if you don’t have one. Ideally get one that is Application Class 2 as they handle small I/O much more consistently than cards not optimized to host applications. Power Supply for Raspberry Pi 4 or Power Supply for Raspberry Pi 3.Raspberry Pi are currently hard to come by, use RPilocator to find official distributors with stock. ![]() ![]() Raspberry Pi 4 (Raspberry Pi 3 is ok too, if you have one laying around).If you’re not in the US, you should be able to find these items in web stores in your country. We will need a few things to get started with installing Home Assistant. USB ports on your computer also will not supply enough power and must not be used. Mobile chargers may not be suitable, since some are designed to only provide the full power with that manufacturer’s handsets. Please remember to ensure you’re using an appropriate power supply with your Raspberry Pi.
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