Nicolò RebughiniNicolò Rebughini — Senior Software Engineer writing about Ruby, Rails, AI and cybersecurity. Blog, projects and videos.https://nirebu.com/The Shadow Crewhttps://nirebu.com/blog/the-shadow-crew/https://nirebu.com/blog/the-shadow-crew/Promoting Yourself to Manager of SiliconFri, 06 Feb 2026 08:11:31 GMTThe wave is cominghttps://nirebu.com/blog/the-wave-is-coming/https://nirebu.com/blog/the-wave-is-coming/Facing the AI labor challengeThu, 29 Jan 2026 06:42:31 GMTThe Modern Laplace Demonhttps://nirebu.com/blog/modern-laplace-demon/https://nirebu.com/blog/modern-laplace-demon/Can LLMs be a modern implementation of the Demon theorised by Laplace?Mon, 05 Jan 2026 19:23:44 GMTHow to route Postfix outgoing email based on recipients' MX recordshttps://nirebu.com/blog/route-postfix-recipient-mx-records/https://nirebu.com/blog/route-postfix-recipient-mx-records/Learn how to route Postfix MTA outgoing email on different transports, based on the recipient domain MX recordThu, 20 Feb 2020 17:51:18 GMTHow to make polkit default to the currently logged in userhttps://nirebu.com/blog/customise-polkit-user-list-default-current/https://nirebu.com/blog/customise-polkit-user-list-default-current/Change the default behaviour of polkit in order to not list all the admin users when commands need root elevationFri, 24 May 2019 00:00:00 GMT