How to test the sshd configuration for configuration errors?
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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
