OrbStack Won't Start: Fixing 'vmgr is already running (socket)'

Diagnosing and Fixing OrbStack's 'vmgr is already running (socket)' Startup Failure

I publish various services from my home server with Docker, so when OrbStack (Docker) does not work properly it seriously disrupts my daily work and my use of those services. This time, when I tried to start OrbStack on macOS, not only did the Docker containers fail to come up, the app itself did not launch at all and quit immediately, which made me quite nervous. Here I record how I investigated the cause and recovered. [Read More]