I have a stupid problem, I have a Bitcoin ASIC called a Hex miner. For some reason every 12 hours the thing slows down from 24GH/sec to 5GH/sec. The only way I have found to solve the problem is to power cycle the controller and the unit itself. This would be a pain since I have it in my basement. However I salvaged some old Bay Technologies PDUs in my rack, which means I can power outlets on and off through a telnet session.
I did a little searching and learned how to do some scripting with the unix program “expect”
This is a very specific script, but it did what I need it to do:
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#!/usr/bin/expect spawn telnet xxx.xxx.xxx.xxx 23 expect "Enter Selection>" send 1\r expect "RPC-3>" send "off 1\r" expect "Turn OFF HEX-WRT? (Y/N)>" send Y\r expect "RPC-3>" send "off 2\r" expect "Turn OFF HEX-PWR? (Y/N)>" send "Y\r" expect "RPC-3>" send "on 2\r" expect "Turn ON HEX-PWR? (Y/N)>" send "Y\r" expect "RPC-3>" send "on 1\r" expect "Turn ON HEX-WRT? (Y/N)>" send "Y\r" expect "RPC-3>" send "menu\r" expect "Enter Selection>" send "6\r" |
It blazes through resetting the outlets.
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RPC-3 Telnet Host Revision F 4.20a, (C) 1999 Bay Technical Associates Unit ID: RPC3-2 Option(s) installed: True RMS Current Internal Temperature RPC-3 Menu: 1)...Outlet Control 2)...Manage Users 3)...Configuration 4)...Unit Status 5)...Reset Unit 6)...Logout Enter Selection>1 True RMS current: 2.0 Amps Maximum Detected: 2.3 Amps Internal Temperature: 36.0 C Circuit Breaker: On Selection Outlet Outlet Power Number Name Number Status 1 HEX-WRT 1 On 2 HEX-PWR 2 On 3 Outlet 3 3 On 4 Outlet 4 4 On 5 Outlet 5 5 On 6 Outlet 6 6 On 7 Outlet 7 7 On 8 Outlet 8 8 On Type "Help" for a list of commands RPC-3>off 1 Turn OFF HEX-WRT? (Y/N)>Y True RMS current: 2.1 Amps Maximum Detected: 2.3 Amps Internal Temperature: 36.0 C Circuit Breaker: On Selection Outlet Outlet Power Number Name Number Status 1 HEX-WRT 1 Off 2 HEX-PWR 2 On 3 Outlet 3 3 On 4 Outlet 4 4 On 5 Outlet 5 5 On 6 Outlet 6 6 On 7 Outlet 7 7 On 8 Outlet 8 8 On Type "Help" for a list of commands RPC-3>off 2 Turn OFF HEX-PWR? (Y/N)>Y True RMS current: 0.6 Amps Maximum Detected: 2.3 Amps Internal Temperature: 36.0 C Circuit Breaker: On Selection Outlet Outlet Power Number Name Number Status 1 HEX-WRT 1 Off 2 HEX-PWR 2 Off 3 Outlet 3 3 On 4 Outlet 4 4 On 5 Outlet 5 5 On 6 Outlet 6 6 On 7 Outlet 7 7 On 8 Outlet 8 8 On Type "Help" for a list of commands RPC-3>on 2 Turn ON HEX-PWR? (Y/N)>Y True RMS current: 0.7 Amps Maximum Detected: 2.3 Amps Internal Temperature: 36.0 C Circuit Breaker: On Selection Outlet Outlet Power Number Name Number Status 1 HEX-WRT 1 Off 2 HEX-PWR 2 On 3 Outlet 3 3 On 4 Outlet 4 4 On 5 Outlet 5 5 On 6 Outlet 6 6 On 7 Outlet 7 7 On 8 Outlet 8 8 On Type "Help" for a list of commands RPC-3>on 1 Turn ON HEX-WRT? (Y/N)>Y True RMS current: 0.7 Amps Maximum Detected: 2.3 Amps Internal Temperature: 36.0 C Circuit Breaker: On Selection Outlet Outlet Power Number Name Number Status 1 HEX-WRT 1 On 2 HEX-PWR 2 On 3 Outlet 3 3 On 4 Outlet 4 4 On 5 Outlet 5 5 On 6 Outlet 6 6 On 7 Outlet 7 7 On 8 Outlet 8 8 On Type "Help" for a list of commands RPC-3>menu RPC-3 Menu: 1)...Outlet Control 2)...Manage Users 3)...Configuration 4)...Unit Status 5)...Reset Unit 6)...Logout Enter Selection> [root@rackable1 scripts]# |
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