jwhb’s gists

jwhb / podman.yml

Last active February 1, 2022 12:34

Rootful Podman on RockyLinux for lima-vm

	# Example to use Podman instead of containerd & nerdctl
	# $ limactl start ./podman.yaml
	# $ limactl shell podman podman run -it -v $HOME:$HOME --rm docker.io/library/alpine

	# To run `podman` on the host (assumes podman-remote is installed):
	# $ export CONTAINER_HOST=$(limactl list podman --format 'unix://{{.Dir}}/sock/podman.sock')
	# $ podman --remote ...

	# To run `docker` on the host (assumes docker-cli is installed):
	# $ export DOCKER_HOST=$(limactl list podman --format 'unix://{{.Dir}}/sock/podman.sock')

jwhb / extract_sa_token.sh

Last active November 24, 2021 14:56

kubectl: extract serviceaccount token

	#!/bin/sh
	NAMESPACE=default
	SERVICE_ACCOUNT=mysa

	# kubectl -n $NAMESPACE create sa $SERVICE_ACCOUNT
	kubectl -n $NAMESPACE get secret `kubectl -n $NAMESPACE get serviceaccount $SERVICE_ACCOUNT -ojsonpath="{.secrets[0].name}"` -ojsonpath="{.data.token}" \| base64 -d

	# BONUS: use kubectl with the service account token:
	kubectl --token="${TOKEN}" -s https://api.<cluster-domain>:6443 --insecure-skip-tls-verify=true get pod

jwhb / wait.yaml

Created November 25, 2020 10:35

Ansible: Wait for OpenShift Cluster to be installed

	---
	- name: Wait for OpenShift Cluster to be installed
	hosts: localhost
	tasks:
	- name: Wait for Cluster to be installed
	k8s_info:
	api_version: config.openshift.io/v1
	kind: ClusterVersion
	name: version
	register: ocp_clusterversion_result

jwhb / .bashrc

Created July 26, 2020 17:07

WSL: init gpg-agent in Bash

	export GPG_TTY=$(tty)
	pgrep -U $UID gpg-agent > /dev/null \|\| gpg-connect-agent /bye > /dev/null 2>&1

jwhb / keepalive.sh

Last active February 10, 2020 13:41

Bash KeepAlive script. This is useful to avoid freezing of Eclipse Che terminals.

	#!/bin/sh
	while true; do >&2 printf '\x00'; sleep 20; done &

jwhb / search_pdf.sh

Last active April 29, 2019 08:11

Search all PDF files in directory, show all matches for specified search text.

	#!/bin/sh

	if [ ! "$#" -eq "2" ]; then
	echo "Usage: $0 <path> <search_text>"
	exit 1
	fi

	find "$1" -name '*.pdf' -exec sh -c "pdftotext -q '{}' - \| grep --with-filename --label='{}' --color -i '$2'" \;

jwhb / ansible.sh

Created October 7, 2018 11:55

Run Ansible via Docker

	#!/bin/sh

	# start ansible container with working directory mounted as /ansible
	# then run ping on targets from inventory file
	docker run --rm -v $(pwd):/ansible -it webdevops/ansible:alpine ansible -m ping -i /ansible/inventory all

jwhb / ip-regex.js

Last active October 2, 2018 13:14

IP address octet manipulation with regex

	// manipulate octets of IP address with Javascript regular expressions

	var regex = /^(\d{1,3}\.\d{1,3}\.\d{1,3}\.)(\d{1,3})(\/[1-3]?\d)$/;
	var ip = '169.254.0.17/30';
	var octet4 = ip.match(regex)[2] - 1; // match and manipulate octet
	var ip2 = ip.replace(regex, '$1' + octet4 + '$3'); // reassemble IP
	console.log(ip2); //169.254.0.16/30

jwhb / epk-preview.png

Last active March 20, 2019 14:25

GraphML shapes for EPC/EPK process modeling in yED

jwhb / tipp10-solarized-dark.css

Last active January 25, 2021 16:55

Solarized Dark style for TIPP10 online touch typing trainer (https://online.tipp10.com)

	@namespace url(http://www.w3.org/1999/xhtml);

	@-moz-document domain("online.tipp10.com") {
	#training, .lightsel0 {
	background-color: #002b36;
	}
	#ticker, #status {
	background-color: #073642;
	}
	#fingers {

Jasper Wiegratz jwhb