29 search results

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• Hardware / Cluster HAT / Cluster CTRL
  ClusterCTRL: How to write an image to the eMMC?
  To write an image to the eMMC on a Compute Module you need to boot it as a USB Device ...
• Software / Linux
  How do I setup CentOS 7 for KVM Virtualisation with a bridged network [OVH/Hetzner]?
  Coming from a minimal install the first step is to install the required software # yum install net-tools qemu-kvm libvirt virt-install ...
• Hardware / Cluster HAT / Cluster CTRL
  How do I tell a Raspberry Pi to ignore a HAT EEPROM?
  To prevent loading of device tree files (etc) from a HAT EEPROM add the following to the config.txt file in ...
• Software / Linux / Command Line
  ClusterCTRL: How do I USBBOOT a Compute Module?
  To boot a Compute Module as a USB device USBBOOT must be enabled. Background When using ClusterCTRL with Compute Modules "clusterctrl status" ...
• Hardware / Cluster HAT / Cluster CTRL
  How do I update the firmware on ClusterHAT v2.6?
  The ClusterHAT v2.6 uses an ATtiny1616 to emulate the XRA1200P I/O expander, to update the firmware using the built-in UPDI programmer ...
• Software / Linux / Command Line
  ClusterCTRL: How do I boot a Compute Module from eMMC?
  To boot a Compute Module from the eMMC USBBOOT must be disabled. If your Compute Module doesn't already have a bootable ...
• Software / Linux
  How do I stop an automatic raid check?
  MD (software) raid checks are performed every Sunday at 1am on Centos6 systems, to stop a current raid check you ...
• Software / Linux / Command Line
  How do I use a static network device name for KVM (to graph in Cacti
  To force a static (pre-defined name for a KVM Virtual Machine you will need to edit the configuration file for ...
• Hardware
  How to I setup a login prompt using the USB-USB Null Modem?
  To allow you to login to a Linux machine over the USB-USB Null Modem a getty needs to be ran ...
• Software / Linux / Command Line
  How do I stop the HAT EEPROM being loaded on a Raspberry Pi?
  To prevent the device tree configuration from being loaded from a Raspberry Pi HAT add the following to your config.txt ...
• Hardware / Cluster HAT / Cluster CTRL
  How do I use the FAN header on Cluster HAT v2.5?
  The FAN header on the Cluster HAT v2.5 is controlled via GPIO pin BCM18 (set to output and set high ...
• Hardware / Cluster HAT / Cluster CTRL
  [LEGACY] How do I setup usbboot (no SD cards in the Pi Zeros) for the
  See the current documentation on booting without SD cards, this legacy information is kept here in case it helps anyone. I ...
• Software / Linux / Command Line
  What does the output of 'clusterctrl status' mean?
  Running "clusterctrl status" you will get output similar to the below text. clusterhat:1 clusterctrl:2 maxpi:10 ctrl_bus:20:4:3 21:3:3 hat_version:1.2 hat_version_major:1 hat_version_minor:2 hat_size:4 hat_uuid:622aef87-17d6-4022-a370-781e1c3fe2b9 hat_vendor:8086 Consultancy hat_product_id:0x0004 throttled:0x0 hat_alert:0 p1:0 p2:0 p3:0 p4:0 ctrl20:FW:1.1 ADC1:5014mV T1:18.60C p5:0 u5:1 p6:0 u6:1 p7:0 u7:1 ctrl21:FW:1.1 ADC1:4891mV T1:23.52C p8:0 u8:1 p9:0 u9:1 p10:0 u10:1 clusterhat:False if no ...
• Software / Linux / Manuals
  Manual: vi
  PROLOG This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the ...
• Software / Linux / Command Line
  ClusterCTRL: How do I USBBOOT a Compute Module and use eMMC as local storage/swap?
  A Compute Module will boot as a USB device if either USBBOOT is enabled or it can't find bootcode.txt in ...
• Software / Linux / Command Line
  How are nodes numbered with Cluster CTRL/Cluster HAT (resolve order conflict)?
  The pX number of a node for control is set by it's priority (this might not be the same as ...
• Hardware / Cluster HAT / Cluster CTRL
  [LEGACY] Guide to using the RPIBOOT [test] image on the Cluster HAT/Zero Dongle / Zero
  See the current documentation on booting without SD cards, this legacy information is kept here in case it helps anyone.   Cluster ...
• Hardware / Cluster HAT / Cluster CTRL
  How do I write new firmware to Cluster Triple?
  Control of the Cluster Triple is done using an ATmega328P (or ATmega328PB), the IC can be reprogrammed using either a standard ...
• Hardware / Cluster HAT / Cluster CTRL
  How do I write new firmware to Cluster Stack?
  Control of the ClusterCTRL Stackis done using an ATmega328P (or ATmega328PB), the IC can be reprogrammed using either a standard ...
• Hardware / Cluster HAT / Cluster CTRL
  How do I write new firmware to Cluster Triple
  Control of the Cluster Triple is done using an ATmega328P (or ATmega328PB), the IC can be reprogrammed using either a ...
• Hardware / Cluster HAT / Cluster CTRL
  How do I write new firmware to Cluster Stack
  Control of the ClusterCTRL Stackis done using an ATmega328P (or ATmega328PB), the IC can be reprogrammed using either a standard ...
• Software / Linux / Manuals
  Manual: ps
    PROLOG This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the ...
• Software / Linux / Command Line
  How do I find the serial/model number of a hard drive?
  To find the model or serial number of a hard drive you can use hdparm and the device name of ...
• Software / Linux / Command Line
  How do I manually install clusterctrl?
  If you're using one of the provided ClusterCTRL images the cluserctrl tool will already be installed but those using the ...
• Hardware / Gadgets
  How do I pair a Current Cost transmitter with an Envi/CC128 Monitor
  Follow this procedure to pair the Transmitter (standard or mini) on an appliance channel. Press the “Up” or “Down” buttons until ...

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