56,966 blogs · [ { "id": "01a0bb4a-28af-70b4-9e85-32ce62448659", "title": "Password Complexity Rules Are Bad Practice", "url": "https://kristofferopsahl.com/posts/password-composition-rules/", "published_at": "2026-09-15T00:00:00+00:00" }, { "id": "01a08797-20c4-706c-a0f7-d6291a96cbae", "title": "How to Securely Erase a Hard-Disk Drive", "url": "https://kristofferopsahl.com/posts/securely-erase-hard-disk-drive/", "published_at": "2026-04-03T00:00:00+00:00" }, { "id": "01a08797-20c4-706c-a0f7-d6291b29f4c2", "title": "Coding Agents Need Deterministic Feedback: A Case for Phoenix", "url": "https://kristofferopsahl.com/posts/coding-agents-need-deterministic-feedback-a-case-for-phoenix/", "published_at": "2025-12-07T22:44:43+00:00" }, { "id": "01a08797-20c4-706c-a0f7-d6291c29a8be", "title": "Using dd to Write an .iso to a USB Drive", "url": "https://kristofferopsahl.com/posts/using-dd-to-write-an-iso-to-a-usb-drive/", "published_at": "2025-09-14T17:16:05+00:00" }, { "id": "01a08797-20c4-706c-a0f7-d6291cce17e1", "title": "My Alacritty, Zellij, and Helix Development Setup", "url": "https://kristofferopsahl.com/posts/my-alacritty-zellij-and-helix-development-setup/", "published_at": "2025-07-07T00:20:15+00:00" }, { "id": "01a08797-20c4-706c-a0f7-d6291d87e9e2", "title": "Breaking AES-ECB with an Encryption Oracle Attack", "url": "https://kristofferopsahl.com/posts/breaking-aes-ecb-with-an-encryption-oracle-attack/", "published_at": "2025-04-29T12:42:53+00:00" }, { "id": "01a08797-20c4-706c-a0f7-d6291df1c77c", "title": "3rd Prize at TG:HACK", "url": "https://kristofferopsahl.com/posts/3rd-prize-at-tg-hack/", "published_at": "2025-04-22T13:05:05+00:00" }, { "id": "01a08797-20c4-706c-a0f7-d6291eb53a86", "title": "Java's Optional Has a Problem", "url": "https://kristofferopsahl.com/posts/javas-optional-has-a-problem/", "published_at": "2025-03-25T13:17:55+00:00" }, { "id": "01a08797-20c4-706c-a0f7-d6291f2208ba", "title": "From Zero to Hello World with Apache Kafka® in 2025", "url": "https://kristofferopsahl.com/posts/from-zero-to-hello-world-with-apache-kafka-r-in-2025/", "published_at": "2025-03-07T09:42:49+00:00" }, { "id": "01a08797-20c4-706c-a0f7-d629201b41fc", "title": "Core Concepts in Apache Kafka®", "url": "https://kristofferopsahl.com/posts/core-concepts-in-apache-kafka-r/", "published_at": "2025-03-06T12:24:04+00:00" }, { "id": "01a08797-20c4-706c-a0f7-d62920645287", "title": "About Kristoffer Opsahl", "url": "https://kristofferopsahl.com/about/", "published_at": "2024-01-01T00:00:00+00:00" } ] posts Claim your blog

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