JonasGroeger

$wslDistros = wsl --list --quiet `
    | Where-Object { $_.Length -gt 1 } ` # Remove empty lines in output
    | ForEach-Object { $_ -replace '\x00', '' } # Remove weird nulls after every character in WSL output

foreach ($distro in $wslDistros) {
    Write-Host "Updating $distro" -ForegroundColor Magenta
    
    wsl --distribution "$distro" --user root -- sh -c "apt update && apt upgrade -y && apt autoremove -y && apt autoclean"
    if ($LASTEXITCODE -ne 0) {
        Write-Host "$distro updated failed." -ForegroundColor Red

JonasGroeger

#!/usr/bin/env bash

set -

export UPDATED_YES=✅
export UPDATED_NO=❌
export DIRTY_YES=🐷
export DIRTY_NO=✨

export REPO_TRUNCATE_CHARS=32

JonasGroeger

Balkonsolar (kostenoptimiert)

Annahmen:

• Oberrohr mit ~40mm Durchmesser
• Unterrohr mit ~13mm Durchmesser
• Außensteckdose vorhanden
• KFZ vorhanden für Fahrt nach Cadolzburg
• Besuch bei Hornbach :)

Gesamtpreis: ~750€ + Preis vom Shelly

JonasGroeger

import org.hibernate.validator.HibernateValidator;
import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;

import javax.validation.Configuration;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorFactory;

import java.util.List;

/**

JonasGroeger

Storing your GIT credentials in libsecret

# Install dependencies
$ sudo apt install make gcc git libsecret-1-0 libsecret-1-dev libglib2.0-dev

# Compile binary
$ sudo make --directory=/usr/share/doc/git/contrib/credential/libsecret

# Configure git to use binary as credential storage

JonasGroeger

package de.jonasgroeger.aspect;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;

@Aspect
public class LogAspect {

    @Around("execution(* de.jonasgroeger.aspect.SubmissionService.uploadAttachment(..))")

JonasGroeger

wget -O /usr/local/bin/sops \
  "$(curl -s https://api.github.com/repos/mozilla/sops/releases/latest | jq -r '.assets[] | select(.name | test(".linux.amd64$")) | .browser_download_url')"

JonasGroeger

# When deploy-dev auto-deploys

# When deploy-dev succeeds, the (⏵) button for the deploy-stage stage shows up
# When deploy-dev fails,    the (⏵) button for the deploy-stage stage does NOT show up

# Same for the deploy-prod stage

stages:
  - deploy-dev
  - deploy-test

JonasGroeger

IT.N Proxy Guide

Ausgehende Anfragen (z.B. Webhooks, HTTP-Aufrufe) ins Internet müssen über einen Proxyserver gehen.

Das betrifft nicht die Response eines Request ⇄ Response Zyklus.

Konfiguration

Host: http-proxy.niedersachsen.de

JonasGroeger

import java.net.http.*;
import java.io.*;

var httpClient = HttpClient.newHttpClient();

var httpProxyHost = System.getProperty("http.proxyHost");
var httpProxyPort = System.getProperty("http.proxyPort");
var httpsProxyHost = System.getProperty("https.proxyHost");
var httpsProxyPort = System.getProperty("https.proxyPort");