6.19.26 | Ten thousand GitHub repositories with malware, Git offers more than .gitignore for ignoring files, CS 6120 online course on advanced compilers

This is a recap of the top 10 posts on Hacker News on Jun 19, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:17) - I found 10k GitHub repositories distributing Trojan malware (01:56) - .gitignore Isn't the only way to ignore files in Git (03:07) - CS 6120: Advanced Compilers: The Self-Guided Online Course (2020) (04:23) - Show HN: Are You in the Weights? (05:30) - Ubiquiti: Enterprise NAS, Built on ZFS (07:07) - Hospitals and universities repurposing drugs at lower cost (08:23) - Modos Color Monitor Pushes E-Paper Displays Further (09:51) - W Social, public institutions and the theater of European digital sovereignty (11:19) - DuckDB Internals: Why Is DuckDB Fast? (Part 1) (13:01) - To study how chips work, MIT researchers built their own operating system (14:09) - Outro I found 10k GitHub repositories distributing Trojan malwarehttps://orchidfiles.com/github-repositories-distributing-malware/https://news.ycombinator.com/item?id=48583928.gitignore Isn't the only way to ignore files in Githttps://nelson.cloud/.gitignore-isnt-the-only-way-to-ignore-files-in-git/https://news.ycombinator.com/item?id=48583356CS 6120: Advanced Compilers: The Self-Guided Online Course (2020)https://www.cs.cornell.edu/courses/cs6120/2025fa/self-guided/https://news.ycombinator.com/item?id=48583606Show HN: Are You in the Weights?https://www.intheweights.com/https://news.ycombinator.com/item?id=48591348Ubiquiti: Enterprise NAS, Built on ZFShttps://blog.ui.com/article/introducing-enterprise-nashttps://news.ycombinator.com/item?id=48585866Hospitals and universities repurposing drugs at lower costhttps://www.kcl.ac.uk/news/hospitals-and-universities-repurposing-drugs-at-90-lower-costhttps://news.ycombinator.com/item?id=48583386Modos Color Monitor Pushes E-Paper Displays Furtherhttps://spectrum.ieee.org/modos-e-paper-monitorhttps://news.ycombinator.com/item?id=48583897W Social, public institutions and the theater of European digital sovereigntyhttps://blog.elenarossini.com/w-social-public-institutions-and-the-theater-of-european-digital-sovereignty/https://news.ycombinator.com/item?id=48584497DuckDB Internals: Why Is DuckDB Fast? (Part 1)https://www.greybeam.ai/blog/duckdb-internals-part-1https://news.ycombinator.com/item?id=48553388To study how chips work, MIT researchers built their own operating systemhttps://news.mit.edu/2026/to-study-how-chips-really-work-mit-researchers-built-their-own-operating-system-0610https://news.ycombinator.com/item?id=48543311