Ubuntu since 2008, but Mate or Xubuntu, if I could use 500 MB more memory.
Desktop Ryzen 3 2200G (16 GB): Ubuntu 19.04 minimal install
Laptop i5 2520M (8 GB): Ubuntu Mate 19.10
Both boot and run from ZFS and both run the exactly same Virtualbox Virtual Machines:
- Xubuntu 18.04.3: Office work, Torrents, WhatsApp, Email
- Ubuntu 16.04.6: Banking & Paypal exclusively!
- Windows XP Home: Music with Wow and TrueBass Effects
- Ubuntu Mate 19.04: Experiments
- Windows 10: Dutch TV Viewer (Windows only)
See: Desktop Showcase - #64 by BertN45
Backup Server Pentium 4 HT (3.0GHz, 1.25 GB): FreeBSD 12.0 32-bits, boots and runs ZFS for 1 hour/week.
3 striped HDDs (77% Full): 2 x IDE 3.5"; 320+250GB and SATA-1, 2.5"; 320GB
Only two cables: Power and Ethernet 1 Gbps (effectively ~200 Mbps with 90% CPU load)
Controlled by SSH or RDP (with FreeBSD conky display)