johnfosborneiii

#!/usr/bin/env python

# This library requires requests and icalendar
# pip install icalendar

from icalendar import Calendar, Event
from datetime import datetime, timedelta
from pytz import timezone, utc

# Prefix for event summaries

johnfosborneiii

GNU Makefile Conventions Cheat Sheet (Based on Section 7.2 of GNU Coding Standards)

General Structure

Standard Targets for Users

• all: Compile the entire program.
• install: Compile and copy executables, libraries, etc., to their installation directories.
• install-html, install-dvi, install-pdf, install-ps: Alternative installations for documentation.
• uninstall: Delete all installed files.

johnfosborneiii

#!/bin/bash

# Check if the script is being run from within a Git repository
if ! git rev-parse --is-inside-work-tree > /dev/null 2>&1; then
  echo "Please run this script from within the Git repository you want to analyze."
  exit 1
else
  # symbolic reference to avoid ambiguous reference errors
  git remote set-head origin -a  > /dev/null 2>&1    
fi

johnfosborneiii

Container Images

Kubernetes

Verify single image

$ cosign verify registry.k8s.io/kube-apiserver-amd64:v1.25.2

Get and Verify All Kubernetes Images

$ version=v1.25.0
curl -Ls https://sbom.k8s.io/v1.25.0/release \

johnfosborneiii

import (
    "encoding/json"
    "strings"
    "list"
    "tool/http"
)
#Predicate: {
    Data: string
    Timestamp: string
    ...

johnfosborneiii

import (
	"encoding/json"
    "strings"
    "list"
)
#SPDXLicenses: {
	licenseListVersion: "3.19"
	licenses: [{
		reference:             "https://spdx.org/licenses/0BSD.html"
		isDeprecatedLicenseId: false

johnfosborneiii

import (
	"encoding/json"
)

#Predicate: {
    Data: string
    Timestamp: string
}

#ExternalRefs: {

johnfosborneiii

#!/bin/bash

COSIGN_FILE=$(mktemp -q XXXXXX.json)

printf '\n'
printf '===============================================================\n'
printf '=== Searching artifacthub.io for artifacts signed by cosign ===\n'
printf '===============================================================\n'
printf '\n'