Articles August 19, 2020

Acorn Electron Sound Mod

Interest video about modding the Acorn Electron.

Articles August 18, 2020

Cubes

After watching Speed Cubers documentary on NetFlix decided to start back trying to learn to solve the cube from memory rather than following the instructions.

So far I can get upto the middle layer without refering to the online walk through instructions.

Cubes

Articles August 12, 2020

Fidget

With WFH since March I have been finding myself fidgetting more while on video calls.

Usually with a lump of Blu-Tak (other options are available), but got this delivered yesterday to keep my fingers busy.

Fidge Widget

Articles October 21, 2017

SystemD Puppet ERB Template for Clustered Minio

A Puppet ERB template for generating Minio cluster systemd control script.

@cluster_fqdn is an array of fully qualified domain names of each node in the cluster.

[Unit]
	Description=Minio
	Documentation=https://docs.minio.io
	Wants=network-online.target
	After=network-online.target
	After=syslog.target network.target
	AssertFileIsExecutable=<%= @installation_directory %>/minio

	[Service]
	WorkingDirectory=<%= @installation_directory %>

	Environment="MINIO_ACCESS_KEY=<%= @access_key %>"
	Environment="MINIO_SECRET_KEY=<%= @secret_key %>"

	User=<%= @owner %>
	Group=<%= @group %>

	PermissionsStartOnly=true

	ExecStart=<%= @installation_directory %>/minio server --config-dir <%= @configuration_directory %> \
	<% @cluster_fqdn.each_with_index do \|fqdn, i\| -%>
	<%- unless i < (@cluster_fqdn.size - 1) -%>
	http://<%= fqdn %><%= @minio_mount_partition %>/minio-data
	<%- else -%>
	http://<%= fqdn %><%= @minio_mount_partition %>/minio-data \
	<%- end -%>
	<% end -%>

	StandardOutput=journal
	StandardError=inherit

	# Specifies the maximum file descriptor number that can be opened by this process
	LimitNOFILE=65536

	# Disable timeout logic and wait until process is stopped
	TimeoutStopSec=0

	# SIGTERM signal is used to stop Minio
	KillSignal=SIGTERM

	SendSIGKILL=no

	SuccessExitStatus=0

	[Install]
	WantedBy=multi-user.target

https://gist.github.com/alastairhm/51eb6f8bb35b8d785639c3e3165b41ac

Doodle's Geek Monkey by Alastair Montgomery

Articles December 20, 2016

Building Raspberry PI image using Vagrant

Building your own Raspberry Pi Images

The Vagrant file on https://github.com/alastairhm/pibuild sets up a build environment for building Raspberry Pi images from the repository https://github.com/RPi-Distro/pi-gen.

I am using it to create a custom image minimal with Docker pre-installed based on https://github.com/jonasrosland/pi-gen although you can edit the scripts to pre-install the packages you want in your image.

Doodle's Geek Monkey by Alastair Montgomery

Articles August 10, 2016

Make a Raspberry Pi Portable Arcade Console (with Retropie)

Looks like a cool project without doing a full arcade machine.

Articles July 6, 2016

BBC Micro Chuckie Egg

First nine level of Chuckie Egg on the BBC B Micro emulator

Articles July 5, 2016

Killer Gorilla on the BBC Micro

Not a bad attempt after 20 odd years of not playing.

Articles April 28, 2016

ympd - Control MPD player from a Docker Image

Note: 1 of this post’s 5 links are now broken — mostly dead 2008–2013 feed-syndication infrastructure (FeedBurner, Gawker, AOL’s old blog network, Pheedo, Yahoo Pipes). Left as originally published.

After setting up a Streaming radio instance of MPD/Icecast2 running in a Docker image I was looking for a nice front end to control it.

I found ympd a MPD web GUI written in C, so created a Docker image to run it, https://hub.docker.com/r/alastairhm/docker-icecast/ it uses Alpine Linux so the image is only 6mb is size.

You run it linking to your Docker image which is running MPD.

docker run --name my-ympd -d -p 8080:8080 --link your_mpd_container:mpdhost alastair/docker-ympd

Then browse to http://localhost:8080/

For more info checkout this Docker compose file which runs both my icecast and ympd images.

Doodle's Geek Monkey by Alastair Montgomery

Articles April 20, 2016

Docker Doku Wiki

Note: 1 of this post’s 13 links are now broken — mostly dead 2008–2013 feed-syndication infrastructure (FeedBurner, Gawker, AOL’s old blog network, Pheedo, Yahoo Pipes). Left as originally published.

Created a small footprint (less than 50mb) Docker image running the Doku Wiki on Lighttpd under Alpine Linux.

Git Hub = https://github.com/alastairhm/alpine-doku
Docker Hub = https://hub.docker.com/r/alastairhm/alpine-doku/

Running

docker run --name "my-wiki" -d -p 80:80 alastairhm/alpine-doku

Browse to install page http://localhost/install.php