36arn

Computers

This page contains information about the computer systems used by 36arn. It's the kind of thing that geeks like me find interesting. I donate a small amount of energy to the World Community Grid.

Server
Processor: Intel "Skylake" Core i5 6600 3.3GHz (3.6GHz-3.9GHz TurboBoost)
Memory: 32GiB Crucial 1.2V DDR4 @ 2133MHz
Disk: 120GB Samsung M.2 SSD, 4x1TB Western Digital Red 2.5" disks (RAID 10), and 1x3TB Western Digital 3.5" disk
Operating System: Proxmox Virtual Environment 4.4 (based on Debian 8 "Jessie")
Features: Hand-built. Runs several Linux virtual machines, for DNS, email, media streaming, this website and several others, and more. Some spare processor cycles help the World Community Grid.
Dave's Desktop
Processor: Intel "Skylake" Core i7 6700 3.4GHz (3.7GHz-4.0GHz TurboBoost)
Memory: 32GiB Crucial 1.2V DDR4 @ 2133MHz
Graphics: Intel HD Graphics 530
Disk: 512MB Samsung 950 Pro M.2 NVMe SSD + 2x256GB Samsung 840 Pro SSDs (RAID 1)
Operating System: Linux Mint 18.3 Cinnamon Edition, 64-bit
Features: Hand-built, pretty fast (particulary the disk IO), and very efficient. Silent and cool, bordering on the awesome. More than 2.5GB/s disk I/O from the NVMe SSD and 1.1GB/s from the SSD RAID (if configured as RAID 0 using BTRFS)
Laptop
Processor: Intel "Kaby Lake" Core i5-7200U 2.5GHz (3.1GHz TurboBoost)
Memory: 8GiB DDR3 @ 1866MHz
Graphics: Intel HD Graphics 620
Disk: 256GB PCIe SSD
Operating System: Windows 10 Home Edition, 64-bit
Features: Only a dual core mobile i5, but extremely light (1.2Kg) and surprisingly fast.
Dave's Chromebook
Processor: Toshiba CB30-B-104 (Intel N2840)
Memory: 4GiB
Graphics: Intel HD Graphics
Disk: 16GiB SSD
Operating System: Chrome OS
Features: A superb IPS screen, really light (1.35Kg), and excellent battery life. A great device if you've bought into Google's ethos.
Media Devices, Backup Servers & WCG Crunchers
Processor: Intel Celeron J1900 (quad core, 2.0GHz - 2.42GHz)
Memory: 4GiB
Graphics: Intel HD Graphics
Disk: 60GiB Kingston SSD
Operating System: Debian 8 "Jessie".
Features: Fanless mini-PC. I have two of these, which have variously contributed to the World Community Grid, acted as my boundary router/firewall, and my backup DNS/email servers.
Ancilliaries
ISP: Zen Internet
IPv6: 6in4 tunnel by Hurricane Electric
Mobile: giffgaff Get a free giffgaff Sim
Telephone Line: BT Openreach
Technology: Fibre to the Cabinet VDSL2
Router: DrayTek 2860
Speeds: Approximately 60-70Mbps downstream, 15-17Mbps upstream
Electricity: Octopus, greenish energy
Domain Registration: Gandi
Secondary Server: OVH virtual machine (for slave DNS and email services)

Remember... you can never have too many computers!