Kamil Banach
@elwin013
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Software Engineer, Speaker, Builder, Oracle ACE 🚀 Building https://t.co/2E1avmE3h9 - blazingly fast domain signature management tool
Joined December 2010
RT @trailofbits: We hacked Gemini CLI, Vertex AI, Assistant, and other AI systems by embedding prompts into images that are not visible to….
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RT @jasonfried: Don't spend your breath on putting out fires. Most eventually burn themselves out. Spend it blowing into fires. Give fuel….
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RT @InfZakladowy: Jak to możliwe, że aparat w telefonie - z obiektywem wielkości łebka od szpilki - robi zdjęcia ładniejsze niż lustrzanka?….
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I'll be speaking at @JDD_Krakow in Krakow on 21–22 October 2025! 🎉. If you're into Java, Streams, and want to learn more about Stream Gatherers — introduced in JDK 24 — join me at the conference!. PS: My talk is titled Thinking in Streams 👀. #JDDKrakow #Java #StreamGatherers
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And if you're using DigitalOcean then you might add their firewall in front of your VPS and allow SSH only from your IP. From quick look at Hetzner site - they're providing similar solution too. That's apart from iptables and fail2ban.
Hetzner and Digital Ocean default to public key so it's quite safe. But yes first only do hobby projects on it, then hire a security/server guy to do an audit before you go serious.
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What's more, you are no longer tied to a single provider. You can rent a VPS from DigitalOcean, Hetzner, OVHcloud, etc., and configure it in the same way. Automate it using scripting (or a tool like Ansible) and you'll have a repeatable environment anywhere you want. :-).
Yes it does, a basic but well optimized VPS can handle 10,000 requests per second. That's more than most need. Also I agree with this, it's basic engineering knowledge to be able to operate your own server, even if you go back to PaaS after. I'm noticing it's becoming a blind
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Yay! 🥳.
🎊 Proud to welcome Kamil Banach from Poland as an Oracle ACE Associate! With expertise in Java, Kamil is set to make waves in the community. Congrats, @elwin013! 🎉 ♠️ .#OracleACE
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RT @DmytroKrasun: Andre Agassi was the number one tennis player in the world. He won everything you could win in tennis. And look how he s….
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Quite a nice guide on creating documentation that, besides helping users, is also consumable by AI/LLMs. Worth reading - many of these improvements are also great for accessibility!.
docs.kapa.ai
Retrieval-Augmented Generation (RAG) systems like Kapa rely on your
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systemd everywhere 🤯.
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#GoogleForms tip: If you're creating a form and want users to receive a confirmation of their submission, enable these settings: "Collect email addresses" and "Send responders a copy of their response". 🙂. This setup allows custom email and copy on demand.
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And yes, shameless plug 😂 - if you want to manage Gmail signatures, check out - easy to use and affordable signature management for Google Workspace.
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I use Shotcut ( - worked with it before, but this time tried some zoom-ins and fancier effects. Turns out it’s surprisingly easy!.
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Video editing (and recording) isn’t really my thing - but I have to admit, seeing the results is pretty rewarding! 😊.I’m not trading code for cuts anytime soon, but wow, the tools these days are impressive.
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PS - it's the first so long outage in over a decade, but don't worry it feels better now! 😜.
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Luckily I built it as a static site, so the fix was a breeze:.* Added a new domain on the second hosting.* Pointed DNS to the new IP.* Got a fresh Let’s Encrypt cert.* Built & uploaded the static files. All back up in under 5 minutes. 🪄✨.
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Whoa - my signaturky landing went down today! 🛑 .Turns out the server went under the weather. .
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