TIL: Fixing “Cannot Find onconfig File” in GBase Database

Recent troubleshooting of GBase 8s reveals two critical installation and startup issues. First, the installer may fail with a disk full error despite available space on the target disk, caused by insufficient space in the /tmp filesystem. Second, the GBase Database instance may fail to start with a Cannot find onconfig file error. While this appears to be a missing file, the root cause is often incorrect environment variables preventing the system from locating the configuration.