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  • Enable ToFU (Trust on First Use) with OpenSSH

    calendar Feb 11, 2023 · 2 min read · Linux FOSS/Linux Programmability Ansible Information Security  ·
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    Ansible is a fantastic tool for Linux-based and NOS-based automation. Have you seen this error before? 1"changed": false, "msg": "Failed to connect to the host via ssh: Host key verification failed." When you use Ansible with SSH transport (as opposed to an API), you rely on the SSH key trust …


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  • Security patches are available for VMware vCenter 8.0 - Let's try the new vCenter Lifecycle Manager!

    calendar Dec 17, 2022 · 2 min read · VMWare Home Lab Information Security vSphere  ·
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    Let's take a look at the new lifecycle management process for vCenter. The old process via the VAMI was easy to execute - the industry is upping the ante with automated pre- and post-testing. Cisco's NX-OS installer is another example - complex procedures (in Cisco's case, sequential PGA or microcode updates) invite …


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  • Track Certificate Expiration with Jenkins and Python 3!

    calendar Oct 23, 2022 · 5 min read · Linux Python FOSS/Linux Jenkins Continuous Delivery Design Patterns Information Security  ·
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    CI/CD tools aren't just for automatically deploying apps! Jenkins excels at enabling an engineer to automatically execute and test code - but, it has a hidden super-power: Automating boring and intensive IT tasks(removing toil). Let's take a common and relatable IT problem - it doesn't matter if you're a DevOps …


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  • Identity theft has gotten out of hand. Here are basic ways to protect yourself.

    calendar Aug 13, 2022 · 7 min read · Information Security  ·
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    It's not a matter of if you will be the victim of a breach, but when. Wired is starting to track breaches by halves (as a general tech publication), and security vendors are moving to monthly reporting due to the volume. It's 2022, and it seems everyone loves to over-share on social media. This may feel good but …


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  • Deploy Root Certificates to Debian-based Linux systems with Ansible

    calendar Mar 19, 2022 · 3 min read · Linux FOSS/Linux Ansible Information Security  ·
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    There are numerous advantages to deploying an internal root CA to an enterprise: Autonomy: Enterprises can control how their certificates are issued, structured, and revoked independently of a third party. Slow or fast replacement cycles are permissible if you control the infrastructure, letting you customize the CA to …


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ENGYAK.co

A blog about IT

Disclaimer

The opinions expressed on this site are my own personal opinions and do not represent my employer’s view in any way.

Recent Posts

  • Automate Cisco IOS/IOS-XE documentation with Ansible (with examples)
  • Document Networks as Code with D2!
  • Document vSphere as Code with D2!
  • Diagram as Code with D2!
  • Enable ToFU (Trust on First Use) with OpenSSH
  • Deploy vSphere VMs with Ansible!
  • Why Automate? VM Deployment with vSphere's REST API
  • What happens to packets with a VMware vSphere Distributed Switch?

Series

SPINE-AND-LEAF-FABRICS 8 WHY-AUTOMATE 8 D2 4

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