As per Benjie.Me and Neopixels on Raspberry and also JGarff import re import time import json from slackclient import SlackClient import time from neopixel import * # LED strip configuration: LED_COUNT = 8 # Number of LED pixels. LED_PIN = 18 # GPIO pin connected to the pixels (must support PWM!). LED_FREQ_HZ = 800000 # LED …
I woke on the morn of Good Friday to find the PC at the BIOS screen with a CPU overheat error. Despite the CPU fan being listed as spinning at 1800RPM, the CPU was cooking along at 75deg or so.. Time for a shutdown and vacuum out the dust. Something I’ve done routinely in the past, but this …
I installed Openstack recently in order to get my head around some aspects. I used my desktop (16GB RAM, decent chunk of SSD & i7-2600 @ 3.4GHz). After looking at the 50 ways to install Openstack, I went with the developer ansible automation. Installation proceeded as follows. Install Deployment Host This contains the ansible configuration and …
Following along the CentOS howto using Centos 7.2 Just a couple of things have changed since it was written: As per the CentOS storage special interest group, you can now get the glusterfs packages without using wget to retrieve additional repos: yum install centos-release-gluster yum install glusterfs-server samba Evidently xfs filesystems should be formatted to inode size 512 bytes, …
I recently had a series of video screenshots from a Gotomeeting screencapture. The presenter screen had resolution 1366×768; the meeting organiser 1920×1080. The result was that all the images were surrounded with a black border. In turning the screencapture into a set of stills to represent as narrated video, I used the following in Gimp Start …