I've just tried it on my Pi 4B with 2G ram.
1. I downloaded the Raspberry Pi Imager as recommended here , I used the link for Windows.
2. I chose Ubuntu 22.04LTS Server (64bits). After I set the ssh and etc, then I burnt my sd card.
3. After boot up, I ssh in and updated the OS first.
4. I used the script provided at #1
5. It took sometimes to finish setup. And then I uninstalled those software I don't need, including smb server, NFS server/client, LMS and etc.
6. Yet Roon bridge can't be installed thru Snakeoil software menu, it needs the "Roon Bridge (armv8)" in here, so I ran following line, then bridge is installed easily and successfully.
bash -c "$(wget -qLO - https://download.roonlabs.net/builds/roonbridge-installer-linuxarmv8.sh)"
During installation, I rebooted several times to complete all the installations. So far this beta didn't cause me any trouble.
Yet it's pity that even I've enabled the RT kernel (pro enable realtime-kernel) successfully, and in SO menu can select it (and saved), all the time Pi only boots the ordinary kernel. Being a new Pi user, I'm quite disappointed for this, towards Ubuntu. Furthermore, it doesn't have my favorite hpet clocksource. I'll try this again when the SO official release come, then I'll fresh-install everything. I'll do the RT patching before installing SO. Fingers crossed.
![[Image: image.png]](https://i.ibb.co/2t3G3QS/image.png)
It uses very few RAM in Pi 4 and latency is similar to my other x64 machines, e.g. NUC.
![[Image: image.png]](https://i.ibb.co/4FzQn5R/image.png)
![[Image: image.png]](https://i.ibb.co/WcH6ZN5/image.png)
And for the sound, I hope it would be better in the official release.