A persistent, bidirectional command channel between an AI agent VM, a small VPS relay, and a Windows laptop's WSL — what each piece does, how to set it up, and the dozen pitfalls I actually hit.
A Tailscale terminal-access postmortem: separate control-plane failures from SSH, trace TCP resets, and choose an authenticated access path.
A reverse SSH tunnel test with an Oracle Cloud VPS, Ubuntu socket activation, proxy diagnostics, and the egress policy that stopped connectivity.
Register for Oracle Cloud Free Tier, create an Always Free eligible Ubuntu compute instance, configure its VCN and SSH access, then connect and maintain it.