NAME

       zmc - The ZoneMinder Utility

SYNOPSIS

        zmu -d device_path [-v] [function] [-U<username> -P<password>]
        zmu --device device_path [-v] [function] [-U<username> -P<password>]

        zmu -m monitor_id [-v] [function] [-U<username> -P<password>]
        zmu --monitor monitor_id [-v] [function] [-U<username> -P<password>]

DESCRIPTION

       This binary is a handy command line interface to several useful functions. It's not really
       meant to be used by anyone except the web page (there's only limited 'help' in it so far)
       but can be if necessary, especially for debugging video problems.

OPTIONS

       General options:
         -v, --verbose                           - Produce more verbose output
         -l, --list                              - List the current status of active (or all with
       -v) monitors
         -h, --help                               - Display usage information
         -v, --version                            - Print the installed version of ZoneMinder

       Options for use with devices:
         -d, --device [device_path]              - Get the current video device settings for
       [device_path] or all devices
         -V, --version <V4L version>             - Set the Video 4 Linux API version to use for
       the query, use 1 or 2
         -q, --query                             - Query the current settings for the device

       Options for use with monitors:
         -m, --monitor <monitor_id>              - Specify which monitor to address, default 1 if
       absent
         -q, --query                             - Query the current settings for the monitor
         -s, --state                             - Output the current monitor state, 0 = idle, 1
       = prealarm, 2 = alarm,
                                                   3 = alert, 4 = tape
         -B, --brightness [value]                - Output the current brightness, set to value if
       given
         -C, --contrast [value]                  - Output the current contrast, set to value if
       given
         -H, --hue [value]                       - Output the current hue, set to value if given
         -O, --colour [value]                    - Output the current colour, set to value if
       given
         -i, --image [image_index]               - Write captured image to disk as
       <monitor_name>.jpg, last image captured
                                                   or specified ring buffer index if given.
         -S, --scale <scale_%%ge>                - With --image specify any scaling (in %%) to be
       applied to the image
         -t, --timestamp [image_index]           - Output captured image timestamp, last image
       captured or specified
                                                   ring buffer index if given
         -R, --read_index                        - Output ring buffer read index
         -W, --write_index                       - Output ring buffer write index
         -e, --event                             - Output last event index
         -f, --fps                               - Output last Frames Per Second captured reading
         -z, --zones                             - Write last captured image overlaid with zones
       to <monitor_name>-Zones.jpg
         -a, --alarm                             - Force alarm in monitor, this will trigger
       recording until cancelled with -c
         -n, --noalarm                           - Force no alarms in monitor, this will prevent
       alarms until cancelled with -c
         -c, --cancel                            - Cancel a forced alarm/noalarm in monitor,
       required after being enabled with -a or -n
         -L, --reload                            - Signal monitor to reload settings
         -E, --enable                            - Enable detection, wake monitor up
         -D, --disable                           - Disable detection, put monitor to sleep
         -u, --suspend                           - Suspend detection, useful to prevent bogus
       alarms when panning etc
         -r, --resume                            - Resume detection after a suspend
         -U, --username <username>               - When running in authenticated mode the
       username and
         -P, --password <password>               - password combination of the given user
         -A, --auth <authentication>             - Pass authentication hash string instead of
       user details

--stderr                                    2021-12-16                                     zmu(8)