SysBlog

Thoughts of a SysAdmin

PRTG Network Monitor ships with a certificate sensor which, among other things, can monitor the expiry of a certificate used on a web server. That's great, but if you are running your own certificate authority (e.g. Active Directory Certificate Services), you might need a way to monitor the exp...

Since writing Updating Namecheap DDNS from CentOS 7, I had the desire to rewrite parts of my DDNS update script, making it compatible with Synology DSM 6. Synology's DSM does have a built-in DDNS update client, but it is not currently compatible with Namecheap.

This script should still work on m...

Namecheap offers a free dynamic DNS service with the purchase of a domain. They also offer a Windows client to update DDNS records, but if you are in a Linux or macOS environment, you're out of luck.

To improve upon my Bash scripting skills, I decided to write my own DDNS update script. The scr...

Caddy is a relatively new and easy-to-use web server written in Go. It has a few notable features, including being able to automatically request and renew free SSL certificates from Let’s Encrypt.

In my environment, I have multiple web/application servers, none of which are directly accessibl...