As useful as OpenSSL has been for letting me manage TLS certificates for internal IT devices, after a while this becomes time consuming and tedious

For one thing, there's a few a steps to go through to create a certificate and just before a certificate expires you have to go through more steps to revoke the certificate and then create a new one

Now while Let's Encrypt allows you to automate certificate provisioning, you'd need a public domain name and be willing to leak details about your internal devices to the Public Internet. In other words, it's a bad idea

So wouldn't it be good if you could have the security benefit of OpenSSL and the automation benefit of Let's Encrypt

Well you can with an open source certificate authority called stepca

Not only can you install this on an internal computer, it supports ACME provisioning

And in this video we'll go over how to install and configure stepca as well as demonstrate how to configure Proxmox VE to use it

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For more technical information, including commands used, check out our blog post
https://www.techtutorials.tv/sections...

Useful links:
https://smallstep.com/docs/stepca/
https://smallstep.com/docs/stepcli/
https://hub.docker.com/r/smallstep/st...
https://smallstep.com/blog/privateac...
https://www.cyberciti.biz/faq/linuxp...

Chapters
00:00 Intro
01:05 Assumptions
01:21 Initial Setup
08:52 Password File
11:34 Bootstrapping and Testing
14:37 ACME Server Provisoner
16:23 Proxmox VE ACME Client Configuration
26:25 Compose Service Account
35:32 Summary

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