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Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "[email protected]"

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GetMapping("/async-deferredresult")
public DeferredResult<ResponseEntity<?>> handleReqDefResult(Model model) {
    LOG.info("Received async-deferredresult request");
    DeferredResult<ResponseEntity<?>> output = new DeferredResult<>(); //just a declaration
     
    ForkJoinPool.commonPool().submit(() -> {        //we pass a service method to an ExecutorService / thread pool
        LOG.info("Processing in separate thread");
        try {
            Thread.sleep(6000);
        } catch (InterruptedException e) {

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//--------------------------------------------------------
//Service that we want to execute asynchroneously - consists of the following method:
public String execute() {
    try {
        Thread.sleep(5000);
        logger.info("Slow task executed");
        return "Task finished";
    } catch (InterruptedException e) {
        throw new RuntimeException();
    }

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Create Root CA (Done once)

Create Root Key

Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!

openssl genrsa -des3 -out rootCA.key 4096