echo 'docker run --read-only <container-name> command
where command is one of:
rsyslog     - run rsyslog (default)
help        - display this help message
show-work   - list the /work area
show-config - display the current container config
edit-config - edit container config (with vi editor, press <ESC>ZZ to quit)
bash        - start an interactive shell (<CTL>-d terminates)

volumes:
/logs       - log file store (if used)
/work       - rsyslog work files; do not share with multiple instances
/config     - configuration files, can be mounted read-only once finalized

listening ports:
514/udp     - syslog (udp)
514/tcp     - syslog (plain tcp)
1601/tcp    - RELP
'
