peterkeller

package ch.keller.test.extension;

import com.unboundid.ldap.listener.InMemoryDirectoryServer;
import com.unboundid.ldap.listener.InMemoryDirectoryServerConfig;
import com.unboundid.ldap.listener.InMemoryListenerConfig;
import com.unboundid.ldif.LDIFReader;
import org.junit.jupiter.api.extension.AfterAllCallback;
import org.junit.jupiter.api.extension.BeforeAllCallback;
import org.junit.jupiter.api.extension.ExtensionContext;
import org.slf4j.Logger;

peterkeller

telnet smtp.mydomain.com 25
ehlo mydomain.com
mail from: from@mydomain.com
rcpt to: to@foreigndomain.com
data
subject: My subject
blah blah
blah blah
.

peterkeller

git log --all --full-history -- "**/*.xml"

peterkeller

import static com.github.tomakehurst.wiremock.client.WireMock.equalTo;
import static com.github.tomakehurst.wiremock.client.WireMock.matchingXPath;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.util.HashMap;
import java.util.Map;

import org.junit.jupiter.api.Test;

peterkeller

package ch.keller.spring;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import javax.transaction.Transactional;

peterkeller

git ls-files | while read f; do git blame --line-porcelain $f | grep '^author '; done | sort -f | uniq -ic | sort -n

peterkeller

From Gradle 4.10.X to 5.X

Update Gradle project from 4.10.x to 5.x with building JPA model classes, see https://stackoverflow.com/questions/54218556/how-to-generate-jpa-metamodel-with-gradle-5-x

Update build.gradle:

dependencies {
    annotationProcessor('org.hibernate:hibernate-jpamodelgen:5.4.2.Final')
}

peterkeller

Import Gradle multi-module into Eclipse

Add configuration file $HOME/.gradle/init.d/eclipse.gradle:

allprojects {
    apply plugin: 'eclipse'
    if (project != rootProject) {
        eclipse.project.name = (rootProject.name + project.path).replaceAll(':', '.')
 }

peterkeller

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
import java.nio.charset.Charset;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.stream.XMLOutputFactory;

peterkeller

openssl

Inspect a SSL certificate:

openssl x509 -in FILE.crt -noout -text

Look at a website's certificate: