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...

In one of my environments, we use Active Directory Certificate Services (AD CS) and Group Policy to deploy certificates to our domain-joined Windows PCs for use with various forms of network security, such as 802.1x. Microsoft has provided an option to silently renew certificates nearing their 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...

Update: The script is now being maintained on my GitHub account. If you experience any issues, please feel free to open an issue.

Synology's DiskStation Manager (DSM) allows a DiskStation or RackStation to connect to a remote private network over the Internet via a VPN connection. While creati...