davidbarkhuizen / github-ssh-deploy-key-how-to.md

Last active October 27, 2025 09:36

github ssh deploy key - how to guide

generate key

ssh-keygen -t ed25519 -N "" -C "github-deploy-key" -f ./github_deploy_key_id_ed25519

backup private key in original format

cp ./github_deploy_key_id_ed25519 ./github_deploy_key_id_ed25519.pvt

convert private key to pem format

ssh-keygen -p -f ./github_deploy_key_id_ed25519 -m pem -N ""

davidbarkhuizen / alpine_linux.md

Last active February 20, 2025 16:50

alpine linux

e.g. x86_64, standard, system-disc mode

installation

official installation doc

mode = system-disc

davidbarkhuizen / sharepoint-cheat-sheet.md

Last active September 11, 2024 13:17

sharepoint cheat sheet

search operators

filename:"abc_def_*"

davidbarkhuizen / redshift.md

Last active April 22, 2022 10:07

redshift configuration

sources / references

jonls.dk Jon Lund Steffensen https://jonls.dk/redshift/

configuration file location

davidbarkhuizen / linux_ssh_config.md

Last active April 17, 2022 04:31

linux ssh client config

$ mkdir -p ~/.ssh && chmod 700 ~/.ssh  
$ touch ~/.ssh/config  
$ chmod 600 ~/.ssh/config

sample ssh file

Host host_alias

HostName actual.host.domain

davidbarkhuizen / visual_studio_cheatsheet.md

Last active April 13, 2022 08:01

visual studio keyboard shortcuts

VS

build solution|ctrl+shift+b

nuget

install

Install-Package xxx

davidbarkhuizen / keybase.md

Created April 2, 2022 15:36

keybase.io

Keybase proof

I hereby claim:

I am davidbarkhuizen on github.
I am davidbarkhuizen (https://keybase.io/davidbarkhuizen) on keybase.
I have a public key ASAj78tL1bfXfW9HwcgsWsDtdjYL7A2Qmx0AmCA_BkTh5go

To claim this, I am signing this object:

davidbarkhuizen / ubuntu_core_rpi3.md

Last active April 2, 2022 15:25

ubuntu core on the rpi3

ubuntu core on rpi3

download os install image

from https://ubuntu.com/download/raspberry-pi-core
yielding e.g. ubuntu-core-20-arm64+raspi.img.xz

install image

right-click image file in ubuntu explorer, select 'Open with Disc Image Writer'.

davidbarkhuizen / hiking_checklist_overnight.md

Last active November 6, 2021 08:26

Overnight Hiking Checklist

Site Permissions & Preparation

weather forecast - for entire duration of travel and hiking
road directions to base camp
money for tolls hiking permit
trail map

davidbarkhuizen / ubuntu_21_04.md

Last active February 20, 2025 07:44

ubuntu 21-04

ubuntu 21-04 customization

solid black background

gsettings set org.gnome.desktop.background picture-uri '' gsettings set org.gnome.desktop.background picture-uri-dark '' gsettings set org.gnome.desktop.background primary-color '#000000'

david barkhuizen davidbarkhuizen