tools/pve/cron-update-lxcs.sh: add show_status, run_now and rotate_log functions; expose new menu options (Status, Run, Rotate) and enlarge menu. Consolidate license line formatting.
tools/pve/update-lxcs-cron.sh: tighten variable scoping, improve ostype detection and logging, add fallback for hostname, handle unknown OS types, harden apt workflow (retry with By-Hash workaround and refresh lists), skip template containers correctly, add error reporting on container updates, and use a timed shutdown. Update author/license header.
Overall: adds manual control and status/log rotation to the cron manager and makes the container updater more robust and safer for Debian/Ubuntu-based containers.
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