Philipp Krenn
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xeraa.net
Philipp Krenn
@xeraa.net
🎩 of DevRel & Developer 🥑 at Elastic — posts about Elasticsearch, Kibana, search, observability, security
easy, right? yes, unless a company has a (well intended but misguided policy) to only allow public CAs 🫠 3/3
November 6, 2025 at 10:43 AM
using a public (commercial) CA, anyone could buy a valid certificate for their own domain and add their server with the valid certificate to your cluster. that's why you want to control your own, private CA and who can join your cluster 2/3
November 6, 2025 at 10:43 AM
you need help leaving (for another editor)? 😛
October 31, 2025 at 12:23 AM
‪PS: the wifi was a story of nightmares. 700 hotspots completely saturated the frequencies and nothing worked. suboptimal with all the LLMs and cloud services 😬‬
October 27, 2025 at 5:46 AM
friday to sunday Cal Hacks: www.calhacks.io
* more agent builder and MCP — together with vibe coding you can do such advanced projects now. and we'll have special prices
Cal Hacks 12.0
October 24-26, 2025 at the Palace of Fine Arts. Cal Hacks is the world's largest collegiate hackathon: fostering a culture of hacking, entrepreneurship, and social good via the empowerment of technolo...
www.calhacks.io
October 18, 2025 at 12:43 AM
tuesday Elastic{ON}: www.elastic.co/events/elast...
* agent builder, (vector) search performance, vibe coding,...
* @swyx.io ​will do the closing keynote for "the year agents ate search"
* I'm just putting the finishing touches on a coffee demo — you can guess where all of that data will go🤞
October 18, 2025 at 12:43 AM
conclusion
October 9, 2025 at 6:57 PM
and there be data. with OTel. on elastic serverless
October 9, 2025 at 6:55 PM
demo time
using kiwi‘s MCP server to find flights, which doesn‘t require any authentication (the S in MCP stands for security 😉) — choices you might regret later
October 9, 2025 at 6:53 PM
let‘s connect the pieces here properly to get the right AI gareway insights
October 9, 2025 at 6:48 PM
‪also special problems like everyone pretending to be OpenAI (by API) but the imolementation might be different‬
October 9, 2025 at 6:45 PM