Files
mac/scripts/authorize-mac-key.sh
T
Mortdecai 2028508cb9 feat(ssh): full homelab alias set on the Mac + separate interactive key
config/ssh_homelab now carries the curated alias set from ~/bin/CLAUDE.md
(pve nodes, machines, key CTs, switch, tailscale hosts). Interactive auth
uses a NEW key, id_ed25519_homelab, because the existing id_ed25519 is
rrsync-jailed on pve173 and sshd honours the first matching authorized_keys
line per key — one key can't be both a jail and a shell there.

- setup.sh generates id_ed25519_homelab (idempotent)
- backup.sh pins the jailed key: -o IdentitiesOnly=yes -i $HOME/.ssh/id_ed25519
- scripts/authorize-mac-key.sh (run on steel141) appends the pubkey on every
  LAN host via claude's aliases; wired into run.sh
- bedroom alias: seth -> root (matches steel141; was undocumented)

Verified from the Mac: 12 aliases land as the right user@host; the backup key
is refused a shell by rrsync (checked with id — rrsync whitelists true);
backup.sh still runs. Offline at push time: bedroom thinkcentre seth-pi
pinail openclaw2 — re-run authorize-mac-key.sh when they're up.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-09-15 20:31:25 -04:00

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#!/bin/bash
# From steel141: put the Mac's interactive pubkey on every LAN host in config/ssh_homelab, via
# claude's own aliases (same names, same target users). Idempotent; called by run.sh, safe alone.
# steel141 itself is the one exception: seth's authorized_keys needs sudo from the claude account.
set -euo pipefail
PUB=$(ssh -o BatchMode=yes mac cat .ssh/id_ed25519_homelab.pub)
[[ $PUB == ssh-ed25519\ AAAA* ]] || { echo "no ~/.ssh/id_ed25519_homelab on the Mac — run setup.sh first"; exit 1; }
ADD='umask 077; mkdir -p ~/.ssh; if grep -qF "$PUB" ~/.ssh/authorized_keys 2>/dev/null; then echo "[skip] $H"; else echo "$PUB" >> ~/.ssh/authorized_keys; echo "[set] $H"; fi'
for H in pve112 pve173 pve197 pve241 bedroom vdj-rig thinkcentre seth-pi pinail caddy openclaw2 rtorrent emby mcsmanager pihole arr; do
ssh -o BatchMode=yes -o ConnectTimeout=5 "$H" "PUB='$PUB' H=$H bash -s" <<<"$ADD" || echo "[FAIL] $H"
done
sudo -n -u seth env PUB="$PUB" H=steel141 bash -c "$ADD"