summary of pam_umotd options (PAM-modules Manual)

This section summarizes the options understood by pam_umotd.

file=filename: Read and display text from file filename.
exec: Execute a program and display its output. The rest of arguments after this parameter are taken to be the program name and its command line arguments. The arguments are subject to item expansion (see item expansion). The program inherits the current environment.
timeout=n: Limit the execution time of the program started via the exec option to n seconds. The default value is 10.
max-size=n: Limit the output size to n bytes. Default is 2000.
max-la=d: Exit immediately if the 5-minute load average is greater than or equal to d (a floating-point number).

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