Making this blog reachable over IPv6
It’s not difficult to make your site available over IPv6, but IPv6 does work differently from IPv4. This article describes what I did to make my site available over IPv6.
Continue readingA technical blog about HCL Connections, HCL Domino and other stuff
It’s not difficult to make your site available over IPv6, but IPv6 does work differently from IPv4. This article describes what I did to make my site available over IPv6.
Continue readingA small tip that can make troubleshooting in Domino a lot easier. Domino thread IDs contain the PID of the Domino process!
Continue readingPodman 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 readingYour 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 readingOpenSSL 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 readingWhen 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 readingEvery now and then I run into a handy little tool which makes life on the command line just a bit easier. This is one of them: bat
Continue readingWordpress by default doesn’t protect the JSON API. This API however does give the possibility to get to see all parts of your Wordpress site, including parts which you maybe didn’t want to show to the public. This article shows how to protect this API.
Continue readingIncreasing your file systems in Linux is not hard, but I couldn’t find a concise guide applicable to the general situation for a Domino server. So I created one
Continue readingAs companies like Red Hat are starting to abandon Docker as the container platform, daemon etc. of choice, I decided it was time to take a look at podman, the supposedly “drop-in replacement” of Docker in RHEL. This wasn’t an easy ride. This article tells about my first steps of replacing Docker as my container platform with Podman for the containers I’m running privately (including this blog)
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