macos

Migration & Retirement of MacOS Server Mail Service

Notes on replacement and migration from macOS Server Mail service to Ubuntu based equivalent

Apple Mac Pro (Mid 2012) to Mac Pro (2019) Upgrade & Migration Guide - Old Cheese Grater to newer Cheese Grater

Process to upgrade incompatible Mac Pro (Mid 2012) machine to Mac Pro (2019) machine using Virtual Machine intermediary.

ubuntu

Ubuntu Linux Crashed ...

Understanding the Linux boot process, layers and typical scenarios is helpful in recovery from crash.

Bourne

Shell Scripting Notes - Stop bashing your head on a wall

Note on shell script "gotchas" that keep coming up. In particular how to manipulate arguments using shell arrays or eval.

irix

Bootstrap GNU Tools on SGI IRIX

Notes on trying to bootstrap GNU build tools on a very old SGI IRIX environment.

apple watch

Parents Guide to Apple Watch

Apple Watch provides a way for children to contact their parents, but setting them up is more complicated than Apple would have you believe. Hence parents guide.

commento

Migrating Commento comments to native Ghost comments

How to migrate comments from Commento (or other comments platform) to native Ghost member comments.

Ghost

Trio - a Casper Derived Ghost Theme

Notes on creating multi-volume "trio", a Casper derived, Ghost Theme

cisco ios

Cisco IOS 15.5 (ISR 2901) to IOS XE 16.6 / 16.9 (ISR 4331) Migration

Notes on migrating IOS configuration from ISR 2901 (IOS 15.5) to ISR 4331 (IOS XE 16.6 / 16.9)

api

ONVIF Web Services Client Consumption with Java

A beginners guide to using (consuming) HTTP/HTTPS exposed APIs, including Web Services defined by WSDL, Restful HTTP APIs and others. Consumption is via Java and JavaScript for ONVIF defined Services

camunda

Camunda 8 on MicroK8S

Notes on deploying Camunda 8 Platform in MicroK8S on Ubuntu 22.04

thrift

Apache Thrift with JavaScript

Some extra tips and documentation on using Apache Thrift with JavaScript, as the Thrift documentation is pretty scant.

freebsd

zfs - some simple things to know

Notes on getting data off a zfs disk.

pfsense

pfSense - Built In Protection and Upgrades

pfSense installation has built in mechanism to support replicating prior configuration across upgrades.

freebsd

The Elusive BSD Desktop on QEMU / KVM

FreeBSD Desktop on QEMU / KVM still requires additional configuration, but GhostBSD is getting close to providing an "out of box" installation, that works

eclipse

QEMU Guest - Ubuntu 22.04 Desktop / Gnome / Eclipse Broken

There is a serious performance issue with Ubuntu 22.04 Dektop and the Eclipse snap, when running as QEMU quest. Problem has been reported in Ubuntu LaunchPad.

sgi

SGI Fuel Power Supply Repairs

How to repair an SGI Fuel Sparkle PSU and what do you need to do to modify an PC Sparkle PSU to make it SGI compatible

juju

Infrastructure Automation with: MAAS, Juju, lxd ...

Notes on setup and configuration and issues with Canonical Juju, MAAS etc

cisco

CISCO Configuration Professional (CPP) Revival

How to get Cisco Configuration Processional (CCP) up and running as a Windows VM, now that XP and Flash are no longer available and officially "end-of-life" and CCP has also been announced as "end-of-life"

sgi

What is inside that box? - SGI hinv

Some hinv (hardware inventory) reports from my limited SGI collection

sgi

Past Echos the Future (Part II) - O350 / Chimera Stuff...

Notes on vintage SGI computers specific to Chimera Architecture machines including: Origin / Onyx 350 (O350), Onyx4, Tezro & Fuel

onyx 350

SGI Onyx 350 - Racking and Stacking

Notes on 19" computer racking and stacking in general and SGI Onyx 350 InfiniteReality 4 specifically

ubuntu

Ubuntu and Remote Gnome Desktop with x11vnc

Tools and tips to setup x11vnc for remote Ubuntu desktop (includes all diagnosis tips and keyboard mapping fix)

freebsd

Converting FreeBSD from bios / mbr to UEFI / GPT

Converting an existing bios/mbr installation to UEFI/GPT is a mechanistic exercise, requiring a spare disk and some expertise in gpart disk management tool. My example is virtual but the same basic process would also work with a physical machine.

"big sur"

MacOS Big Sur & RS-232 Serial Communications

How can I use RS-232 communication with MacOS Big Sur?