Mark StevensSetup ssh Connect pi to HDMI and keyboard/mouse start a terminal session
sudo update-rc.d ssh defaults
sudo apt-get install avahi-daemon
rebootPI->Preferences : 0. tab:system 0. change hostname to rackpi-01 Note: use a new bank # each time 0. tab:interfaces 0. enable VNC
Now you can connect over ssh
ssh pi@rackpi-01.local
and over VNC (use TightVNC) with rackpi.local
scp update.img to all racks:
for i in $(seq 1 5); do scp /Volumes/platforms/rk312x/rockdev/bzt16wifi02-rkimage-1.0.0-1036-user.img pi@rackpi-A0${i}.local:~/bzt16wifi02-rkimage-1.0.0-1036-user.img; done
ClusterSSH into all racks:
csshx pi@rackpi-A01.local pi@rackpi-A02.local pi@rackpi-A03.local pi@rackpi-A04.local pi@rackpi-A05.local
Full Rack Parts List for 49 Tablet rack
Existing configuration
| Description | Est Price | Qty / Pi | Rack total | Extended Cost |
|---|---|---|---|---|
| *Amazon Basic 5V4A hubs | $19 | 2 | 14 | $266 |
| StarTech.com USB Y Cables | 16$ | 7 | 49 | $784 |
| Raspberry Pi 3 Model B | 35$ | 1 | 7 | $250 |
| 32Gb micro SD Card | 10$ | 1 | 7 | $70 |
| Raspberry Pi Case - specially printed | -- | 1 | 7 | -- |
| Ethernet Cable | 5$ | 1 | 7 | $35 |
| 10 port Ethernet Switch | ?? |
Alternate configuration - sabrent hub comes with 2.5A PS, which is probably insufficient compared to the Amazon 4A x 2 hubs
| Description | Est Price | Qty Pi | Rack total | Extended Cost |
|---|---|---|---|---|
| Sabrent 13port Usb 2.0 (HB-U14P) | 20$ | 1 | 7 | $150 |
| StarTech.com USB Y Cables | 16$ | 7 | 49 | $150 |
| Raspberry Pi 3 Model B | 35$ | 1 | 7 | $250 |
| 32Gb micro SD Card | 10$ | 1 | 7 | $70 |
| Raspberry Pi Case - std case | 10$ | 1 | 7 | $70 |
| Ethernet Cable | 5$ | 1 | 7 | $35 |
Higher End Configuration
| Description | Est Price | Qty / Pi | Rack total | Extended Cost |
|---|---|---|---|---|
| GenBasic Elite 13 + 2 Port Powered Aluminum USB 3.0 Hub - 96W 12V/8A | 99$ | 1 | 7 | $700 |
| StarTech.com USB Y Cables | 3$ | 7 | 49 | $150 |
| Raspberry Pi 3 Model B | 35$ | 1 | 7 | $250 |
| 32Gb micro SD Card | 10$ | 1 | 7 | $70 |
| Raspberry Pi Case - std case | 10$ | 1 | 7 | $70 |
| Ethernet Cable | 5$ | 1 | 7 | $35 |
Part Acquisition List
| Description | Link |
|---|---|
| Amazon Basic 5V4A hubs | https://www.amazon.com/dp/B00DQFGJR4/ref=cm_sw_r_cp_ep_dp_yPCuybWQDC3E2 |
| StarTech.com USB Y Cables | https://www.amazon.com/gp/product/B0047AALS0/ref=ox_sc_act_title_1?ie=UTF8&psc=1&smid=ATVPDKIKX0DER |
| Raspberry Pi 3 Model B | https://www.amazon.com/Raspberry-Model-A1-2GHz-64-bit-quad-core/dp/B01CD5VC92 |
| 32Gb micro SD Card | link |
| Raspberry Pi 3 Case (mountable) | https://www.amazon.com/dp/B01J1C10TM?psc=1 |