Overview Upgrading a production mail server during a major Security Issue can be daunting. When configuration files change drastically, you often spend hours—sometimes days—digging through documentation to find the single small change that broke your entire mail flow. During my recent upgrade from Debian 12 (Bookworm) to Debian 13 (Trixie),…
Catégorie : Serveur
Datascience
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How to retrieve Google analytics 3 – Universal analytics data before shutdown
How to retrieve GA3 – Google analytics 3 – Universal Anlytics – data before shutdown
Open Source
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Install your own PlantUML Server inside a Docker
PlantUML is an awesome way to document all your diagrams. Because with PlantUML and PlantText you can have text file that pin point exactly to an image you can document and keep documentation alive. The project is opensource and you can find here an easy way to install it on…
Mailu installation complète en docker derrière un reverse proxy (nginx)
Suivi en détail de l’installation sur un serveur du service mail et des interfaces web d’administration et de webmail. Et comme un beau dessin vaut mieux qu’un long discours, voici l’infrastructure expliquée. Ma configuration server: server example.com service nginx (443 + 80) avec les certificats letsencrypt sur le domaine multiples…
Open Source
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Autoriser l’accès à un utilisateur via SSH
Création de la clé SSH Choisissez une phrase (passphrase) relativement complexe mais facile à retenir vous allez devoir l’utiliser souvent. Et déjà immédiatement en créant la clé Generating public/private ecdsa key pair. Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in id_ecdsa Your…