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September 2026

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The syslog-ng Insider 2026-09: OTEL; Alma Linux container; openssl 4.0; learning
by Peter Czanik (pczanik) 10 Sep '26

10 Sep '26

Dear syslog-ng users, This is the 141st issue of syslog-ng Insider, a monthly newsletter that brings you syslog-ng-related news. NEWS New performance tuning possibilities in syslog-ng On April’s fool’s day, I shared that syslog-ng can reach 7 million EPS. This test lab result was in part possible thanks to a few performance enhancements coming to syslog-ng version 4.12. How 7 million EPS is possible? Before diving deeper, let me repeat it: 7 million EPS is just a lab testing result, not (yet) possible in the real world. However, the technologies enabling this are already available on the development branch of syslog-ng, or have been available for ages, just not tested or promoted enough. https://www.syslog-ng.com/community/b/blog/posts/new-performance-tuning-pos… Nightly syslog-ng containers based on Alma Linux For many years, the syslog-ng project provided container images based on Debian. Most of our users run syslog-ng on RHEL & compatibles, and have asked for an RPM-based container. So, nightly containers based on Alma Linux are now also available. A while ago, I prepared a small test project to run syslog-ng in an Alma Linux container: https://www.syslog-ng.com/community/b/blog/posts/experimental-syslog-ng-con… However, that was only an experiment which I never updated. Fast forward to today: nightly syslog-ng containers based on the latest syslog-ng git snapshot package builds are now available on the Docker Hub! https://www.syslog-ng.com/community/b/blog/posts/nightly-syslog-ng-containe… The status of OpenSSL 4.0 support in syslog-ng OpenSSL 4.0 was released just over a month ago. So, how is its support progressing in syslog-ng? Well, Git master already supports it, and the patch is easy to backport to earlier releases. At the same time, version 4.12 will support OpenSSL 4.0 out of the box. https://www.syslog-ng.com/community/b/blog/posts/the-status-of-openssl-4-0-… Learning syslog-ng How can you learn syslog-ng? There are many possibilities, depending on your time and budget. Possibilities range from tutorial series through reading the documentation to instructor-led training. Find out which one is for you! https://www.syslog-ng.com/community/b/blog/posts/learning-syslog-ng WEBINARS * You can learn about upcoming webinars and browse recordings of past webinars at https://www.syslog-ng.com/events/ Your feedback and news, or tips about the next issue are welcome. To read this newsletter online, visit: https://syslog-ng.com/blog/ Peter Czanik (CzP) <peter.czanik(a)oneidentity.com> One Identity (Balabit) / syslog-ng upstream https://syslog-ng.com/community/ https://twitter.com/PCzanik

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