Otto Kekäläinen
@ottokekalainen
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Tweets on open source software, technology, business and the environment. Ex-AWS.
Vancouver
Joined December 2010
#DebConf25 started today with 460+ registered attendees in Brest, France. Hoping to see many attendees in all 3 of my talks 😄.#opensource #debian #linux
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Is your company planning to start contributing to open source? 🚀 My new post shares best practices for corporate upstream contributions, spanning things from legal compliance (CRA is coming!) to building reputation & quality: #OpenSource.
optimizedbyotto.com
This post is based on presentation given at the Validos annual members’ meeting on June 25th, 2025.\n
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If you are integrating LLMs with databases, check out - a universal MCP server connecting to MariaDB, TiDB, PostgreSQL and more.#opensource #mcp #AI.
github.com
Universal database MCP server connecting to MySQL, PostgreSQL, SQL Server, MariaDB. - bytebase/dbhub
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Planning to create .deb packages? 🚀. See my recommended workflow for new Debian packages when upstream uses git: #Debian #Git #OpenSource.
optimizedbyotto.com
In this post, I demonstrate the optimal workflow for creating new Debian packages in 2025, preserving the upstream git history. The motivation for this is to lower the barrier for sharing improveme...
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Google Summer of Code 2025 projects announced! Thrilled that 9 students got approved for #Debian. I'll mentor 2 to enhance #GitLab CI for 27,000+ git repos on #GSoC #OpenSource
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We have our GSoC Contributors for the 2025 program! 🎉 . Get all the details about the new projects and participants of our 21st year: .GSoC website →
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Career news: I've left AWS to dedicate the time to full-time #OpenSource development, focusing on #Debian, #Linux, and critical digital infrastructure. Why? Open source has won, now we need to focus on maintaining it 🛠️. Read more at
optimizedbyotto.com
After careful consideration, I’ve decided to embark on a new chapter in my professional journey. I’ve left my position at AWS to dedicate at least the next six months to developing open source...
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💻🌟 Students! Want a #GoogleSummerOfCode project? I’ll mentor you to improve Salsa CI, @gitlab CI pipeline used by 27k+ packages in @debian. See & apply by Apr 8!.@GoogleOSS #GSoC #OpenSource.
optimizedbyotto.com
Are you a student aspiring to participate in the Google Summer of Code 2025? Would you like to improve the continuous integration pipeline used at salsa.debian.org, the Debian GitLab instance, to...
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Do you know what ActivityPub, AT Protocol, Farcaster, Lens and Nostr are?. Check my latest about the state of decentralized social media in 2025, with stats 📊. #decentralized #fediverse #web3 . See also @joinmastodon @BlueskySocial @farcaster_xyz @LC.
optimizedbyotto.com
In today’s digital landscape, social media is more than just a communication tool — it is the primary medium for global discourse. Heads of state, corporate leaders and cultural influencers now...
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I've begun exploring @Beeper to manage my Telegram, WhatsApp, and #Matrix messages in one app. It’s impressive – and #opensource too. Have you used it? Could this be the ultimate solution for messaging app sprawl?.
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Are you in Vancouver and keen to learn cryptography and zero-knowledge proofs? There are still a few spots left at the workshop this weekend by @wanseoblim from the @Ethereum Foundation. Details: #Cryptography #ZeroKnowledge #Ethereum.
lu.ma
Note: This workshop is designed specifically for students and individuals passionate about becoming leaders in their local Zero-Knowledge (ZK) cryptography…
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Heading to #FOSDEM2025? Join thousands of fellow open source enthusiasts! I'll be there - hit me up if you want to meet up and chat about code, community, or anything in between! 🙌 #OpenSource #Databases
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Oh the irony 😆.
"We are living in a timeline where a [Chinese] company is keeping the original mission of OpenAI alive - truly open, frontier research that empowers all.".
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On the path to becoming a Debian Maintainer? .Start building these 10 habits to guarantee your success! 🚀.👉#Debian #OpenSource #Linux.
optimizedbyotto.com
Becoming a Debian maintainer is a journey that combines technical expertise, community collaboration, and continuous learning. In this post, I’ll share 10 key habits that will both help you navigate...
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In a #AI vector database benchmark by @MarkCallaghanDB, it seems #MariaDB significantly outperforms the competition. Check out.
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📖 How do modern #Debian source package repositories work? What git structure allows optimal software provenance, where the origin of every code line is known? Check out my latest post: #Linux #OpenSource #Git
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Amazon RDS for MariaDB 11.7 is now available, introducing vector support for enhanced AI capabilities and Retrieval-Augmented Generation (RAG). Learn more: #AWS #MariaDB #AI #RAG.
aws.amazon.com
Discover more about what's new at AWS with Amazon RDS for MariaDB supports Innovation Release 11.7 in Amazon RDS Database Preview Environment
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