ChatGPT on Web mail clients
While playing around with ChatGPT, I wondered what ChatGPT’s view on the web mail clients of Microsoft and HCL was. The answer was pretty concise
Continue readingOn Domino thread IDs and Linux/Windows process IDs
A small tip that can make troubleshooting in Domino a lot easier. Domino thread IDs contain the PID of the Domino process!
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I’m presenting at Engage 2023
I’m happy to announce that I will be a speaker at the Engage conference in Amsterdam this spring with a very exciting session
Continue readingHuddo Boards & Minio problems – Read before you restart!
Huddo Boards (previously known as Kudos Boards) uses an open source component: Minio. This open source component recently had an update that breaks Boards. If you’re a Boards user, be sure to read this.
Continue readingPodman 4 – important changes
Podman 4 includes some major changes to the networking stack (the responsible service is called Netavark and aardvark for dns resolution). These changes are incorporated into podman-compose, but this comes with a major caveat, which I cover in this post.
Continue readingProtecting your Domino container with fail2ban
Your Domino server could be victim to brute force attacks to guess user’s passwords and subsequently use your Domino server a spam gateway. Fail2ban is a elegant way to stop these brute force attacks. If you use Domino containers, you might have to do some extra configuration
Continue readingUnable to run program repaircleanup
HCL renamed a server task in Domino 11. RepairCleanup is now called RprCleanup. If you’re not aware of this, you might get confused.
Continue readingNginx as reverse proxy on CentOS 9 Stream – a problematic combination
OpenSSL introduced a new feature in OpenSSL 3.0, which doesn’t work well with older versions of nginx. Older versions, like the default version of nginx that comes with CentOS 9 Stream…
Continue readingChoosing my new server’s operating system
When installing a new Linux server, there are a lot of operating systems to choose from. For my new installation, I chose CentOS 9 Stream, but that doesn’t seem a very popular choice. I describe why I went with it anyway.
Continue readingA server crash…
Maybe some frequent visitors noticed that this blog had a bit of outage in the past weeks. Alltogether, probably a couple of days. Usually, this blog has a very good uptime despite being hosted on my own server at home. A crash of my SSD lead to a lot of stress though… and to a lot of lessons learned
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