4312423 mkdir -p /root/.ssh chmod 700 /root/.ssh echo ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMTW/yxY3ivnRuuvcrw1kbnPyfYGCUBhL2rRnTwRR codex-board-test /root/.ssh/authorized_keys chmod 600 /root/.ssh/authorized_keys