$ docker run endlessh -h Usage: endlessh [-vh] [-46] [-d MS] [-f CONFIG] [-l LEN] [-m LIMIT] [-p PORT] -4 Bind to IPv4 only -6 Bind to IPv6 only -d INT Message millisecond delay [10000] -f Set and load config file [/etc/endlessh/config] -h Print this help message and exit -l INT Maximum banner line length (3-255) [32] -m INT Maximum number of clients [4096] -p INT Listening port [2222] -v Print diagnostics to standard output (repeatable) -V Print version information and exit