Practical articles on software, private AI, Magento, server security and backups.https://zenisca.com/en-cahttps://zenisca.com/blog/magento-2-upgrade-checklist/https://zenisca.com/blog/magento-2-upgrade-checklist/How to plan, test and deploy a Magento Open Source or Adobe Commerce upgrade without breaking checkout: preparation, commands, testing and go-live.Fri, 16 Oct 2026 00:00:00 GMTMagentoE-commercehttps://zenisca.com/blog/patching-linux-and-windows-servers/https://zenisca.com/blog/patching-linux-and-windows-servers/A practical routine for keeping Linux and Windows servers patched: inventory, automatic security updates, reboots, test rings and the hardening steps people skip.Fri, 16 Oct 2026 00:00:00 GMTSecurityLinuxWindows Serverhttps://zenisca.com/blog/private-llm-on-your-own-hardware/https://zenisca.com/blog/private-llm-on-your-own-hardware/GPU memory, quantization, serving software, fine-tuning and evaluation: a practical guide to running open-weight language models on servers you control.Fri, 16 Oct 2026 00:00:00 GMTAILocal modelshttps://zenisca.com/blog/3-2-1-backups-and-restore-testing/https://zenisca.com/blog/3-2-1-backups-and-restore-testing/What the 3-2-1 rule means, how ransomware changed it, and how to test restores so you know your backups work before you need them.Fri, 16 Oct 2026 00:00:00 GMTBackupsSecurity