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Thirty years of copying files with scp and I only just found the -3 flag. How scp rides on ssh, the flags worth knowing, ssh-agent caching and chaining, and why the same features deserve tight limits on production servers.
ZFS from its Solaris roots to enterprise storage today: pools, hardware choices, recovery and repository replication, with a Proxmox breakout and a practical ZFS cheat sheet.
A Broadcom upgrade conversation sent our infrastructure team looking at alternatives. Three retired servers, a graduate named Thor and a Proxmox trial have made the next renewal much more interesting.
Part 1 of building a hardened multi-user jump host: why the Essential Eight pushes you towards one, and how to get xrdp serving concurrent sessions on Wayland-native Ubuntu 26.04.
I stood up an offline Vaultwarden server with Docker Compose and an nginx reverse proxy, moved the team onto it, and started planning how to feed its secrets to Ansible across a fleet of Ubuntu servers. It went well enough that LastPass should be nervous.