How to test the sshd configuration for configuration errors?
How to test the sshd configuration for configuration errors?
To test the SSH daemon (sshd) for configuration errors, run sshd with the '-t' option.
sshd -tBefore reloading the SSH configuration, perform a configuration test first. This may avoid locking yourself out of a remote system or break any existing communications between the server and any clients. Testing can be done using the sshd command. For this purpose, it has the -t option available.
Command line usage
To use this option on the command line, run the following command:
sshd -t
