Where is the main log file?
The main log file is stored on each node at:
You must have root or sudo privileges to read the file.
At times you may need to access the main log file at:
You will generally also need root/sudo privileges to access this log.
Note that there are client logs that will exist where the client API has been used. The exact location of these varies. Please see the documentation on each API to see where the logs are.