#sysadmin
3 posts
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Fibre Optic Cables
A practical guide to fibre optic cables - how they work, single-mode vs multi-mode, connector types (LC, SC, FC, ST, MTP), and polish finishes (UPC, APC, PC).
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Disable WordPress Automatic Update Emails
A one-file must-use plugin that stops WordPress from sending automatic update notification emails for core, plugins, and themes.
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Replacing an NVMe Drive in a Hetzner Dedicated Server
Step-by-step walkthrough of replacing an NVMe drive with a SMART endurance warning in a software RAID-1 setup on a Hetzner Robot dedicated server.