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Abstract

"8897">This is a serious issue for really large pubs. When the post is published, you’re already buried in the mix. That takes away from even publishing in a larger publication altogether. Your only hope is that Medium will recognize it and then distribute the posts to readers.</p><h1 id="cdb2">A Recent Example</h1><p id="e514">I recently wrote a post and submitted it to a publication. Nothing. Crickets. I’ve submitted to this publication probably 20 times and never heard back once. I’m sure some pubs get many submissions, but when I know an article is a good fit and it still never gets any response… well, screw that. I’m moving on.</p><p id="0ced">Okay, I submit this same article to another publication. A day later, they said, this is good, but we want to back it up with data (new rules). I replied and said I think that’s not needed and would only bog down the post.</p><p id="33cb">Then I sent the post to another publication who gave me the “we have to be selective in what we publish” response. I don’t really know what that means, do you? If it was an actually helpful response, I would have been happy for the feedback. But this kind of response is useless.</p><p id="1cb9">In all, I wasted at least 4 days in pitching a post that I knew was good and had absolutely nothing to show for it. I know, I sound a little cranky about it. I am. Why? <b>Because time spent pitching to the many publications on Medium has an opportunity cost. You’re wasting time and valuable mental energy doing it.</b></p><p id="68fc">But, at the same time, you absolutely need to publish your writing within publication to get any traction with your content. I wrote about this more in the following post.</p><div id="e689" class="link-block"> <a href="https://readmedium.com/solving-the-1-problem-on-medium-29b637e91eb0"> <div> <div> <h2>Solving The #1 Problem On Medium</h2> <div><h3>How do you get your work noticed on the platform?</h3></div> <div><p>medium.com</p></div> </div> <div> <div style="background-image: url(https://miro.readmedium.com/v2/resize:fit:320/0*nFqU7ckM-o2vw0bd)"></div> </div> </div> </a> </div><p id="71ba">So what on Earth can we do?</p><p id="e9d0"><b>The answer is surprisingly simple. Publish more content with the publications that let you control the publishing.</b></p><p id="93dd">You might have to start a few new publications from scratch. Or even come together with a group of other writers you know here on Medium.</p><p id="2c54

Options

">But that’s much better than the alternative of doing what we’ve always done. The internet is a really big place. If you want to reach an audience, don’t assume there is just one way to do it.</p><p id="8952">The popular traditional publications on Medium might be a good fit for you. But I now realize that they are no longer a good fit for me. If you want to stand out, you’ve got to do something different.</p><p id="3b0f">Everyone on Medium is doing the exact same things. And even writing about the exact same things. That’s not a good thing. It’s becoming an echo chamber of sorts.</p><h1 id="ca3f">Enter Blue Ocean Strategy</h1><figure id="4d11"><img src="https://cdn-images-1.readmedium.com/v2/resize:fit:800/0*8S83ul53QJRXbP8E"><figcaption>Photo by <a href="https://unsplash.com/@vimarethomas?utm_source=medium&utm_medium=referral">Thomas Vimare</a> on <a href="https://unsplash.com?utm_source=medium&utm_medium=referral">Unsplash</a></figcaption></figure><p id="85fe">Blue Ocean Strategy a term that comes from the authors of the book with the same name, Chan Kim and Renée Mauborgne. The strategy is simple. To succeed, you must move to the blue ocean where no one else is.</p><p id="38c1">If you compete with everyone else in the same space, you’re only going to fight for scraps in the “red ocean.” It’s crowded and people compete on things like price and quantity (think Walmart).</p><p id="7132">A good example of Blue Ocean Strategy is Apple under Steve Jobs. He was never hesitant to go do something a bit wild or different that left most traditional computer makers scratching their heads. The Newton. The iPod. The iMac. The iPhone. The iPad.</p><p id="a41c">If you want real success, you need to think a lot bigger than just publishing in one place. I know so many writers are infatuated with the idea of making money on the platform. But there are many, many, other blue oceans out there that await you. If you focus on the popular publications today that are crowded, that’s a red ocean approach.</p><p id="2231">Will it make a long-term difference for you as a writer — dare I even say as a business — if you just keep doing what everyone else is doing? Most likely it won’t.</p><p id="56b2">Be brave and go do something completely different.</p><h2 id="41ba">Want to build your writing habit? Join my free 5-Day Write First Challenge here.</h2><p id="e327">Jim Woods is a writer who believes stories can change the world. He is the creator and founder of StoryCrafting. His work has been featured in Fast Company, Life Hacker, Goinswriter, The Write Practice, and other publications.</p></article></body>

A Step-by-Step Guide to Generating Kubernetes TLS Secrets

Ensuring secure communication within a Kubernetes cluster is a critical aspect of maintaining a robust and resilient system. Transport Layer Security (TLS) certificates play a key role in encrypting data in transit, and Kubernetes provides a straightforward mechanism to manage these certificates through secrets.

In this article, we will walk through the process of generating a Kubernetes TLS secret from .crt and .key files, ensuring the confidentiality and integrity of your cluster’s communication.

Prerequisites

Before we begin, make sure you have the following:

Kubernetes cluster installed and configured.
.crt (certificate) and .key (private key) files for your TLS certificate.

Steps To Generate .crt and .key File

Generating .crt and .key files for a TLS secret involves creating a certificate signing request (CSR) and obtaining a signed certificate from a certificate authority (CA) or generating a self-signed certificate. Here, I’ll outline the steps for creating a self-signed certificate, which is suitable for development and testing environments.

Step 1: Install OpenSSL

Make sure you have OpenSSL installed on your machine. You can install it using the package manager for your operating system. For example, on Ubuntu, we can use:

sudo apt-get install openssl

On Mac, You can install it using Homebrew.

Step 2: Generate a Private Key

Use OpenSSL to generate a private key (.key file). Replace <key-file-name> with a name for your private key file.

openssl genpkey -algorithm RSA -out <key-file-name>.key

Step 3: Generate a Certificate Signing Request (CSR)

Create a CSR using the private key. This will prompt you to provide information about your organization and the domain for which you are creating the certificate.

openssl req -new -key <key-file-name>.key -out <csr-file-name>.csr

Step 4: Generate a Self-Signed Certificate

Generate a self-signed certificate (.crt file) using the private key and CSR. The certificate is typically valid for a certain number of days; we can adjust the -days parameter as needed.

openssl x509 -req -in <csr-file-name>.csr -signkey <key-file-name>.key -out <crt-file-name>.crt -days 365

Step 5: Verify the Generated Files

You should now have two files: <key-file-name>.key (private key) and <crt-file-name>.crt (certificate). Verify their content:

cat <key-file-name>.key
cat <crt-file-name>.crt

Ensure that the information in the certificate matches your expectations.

Steps to Generate Kubernetes Secrets

Step 1: Create the TLS Secret

In Kubernetes, secrets are used to store sensitive information. We’ll create a TLS secret using the following command:

kubectl create secret tls <secret-name> --cert=path/to/<crt-file-name>.crt --key=path/to/cat <key-file-name>.key

Replace <secret-name> with the desired name for your secret and provide the correct paths to your .crt and .key files.

Example:

kubectl create secret tls my-tls-secret --cert=path/to/my-tls.crt --key=path/to/my-tls.key

Step 2: Verify the Secret

After creating the secret, you can verify its existence using the following command:

kubectl get secret <secret-name>

Replace <secret-name> with the name you provided in Step 1.

Example:

kubectl get secret my-tls-secret

Step 3: Use the Secret in Pods

Now that the TLS secret is created, you can use it in your Kubernetes pods by referencing it in the pod’s configuration. Here is an example YAML snippet of a pod configuration that uses the TLS secret:

apiVersion: v1
kind: Pod
metadata:
  name: mypod
spec:
  containers:
  - name: mycontainer
    image: myimage
  volumes:
  - name: tls-secret
    secret:
      secretName: my-tls-secret

In this example, the TLS secret is mounted as a volume named “tls-secret” in the pod. You can then reference the certificate and private key within your application.

Conclusion

Generating a Kubernetes TLS secret from .crt and .key files is a straightforward process that enhances the security of your cluster’s communication. By following these steps, you can easily create and manage TLS secrets. Always ensure that your certificate and key files are stored securely, and regularly update your secrets as needed to maintain a secure and well-managed Kubernetes environment.

Happy Learning !!!