Initial minimal OsmoHNBGW user manual
This adds a very basic OsmoHNBGW user manual with an "overview" and
"running" chapter. It still misses any information on configuration.
Change-Id: I54825a4ce5a457f87b0618332347eed8ea54afcb
Closes: OS#2588
diff --git a/doc/manuals/chapters/running.adoc b/doc/manuals/chapters/running.adoc
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+== Running OsmoHNBGW
+
+The OsmoHNBGW executable (`osmo-hnbgw`) offers the following command-line
+arguments:
+
+=== SYNOPSIS
+
+*osmo-hnbgw* [-h|-V] [-d 'DBGMASK'] [-D] [-c 'CONFIGFILE'] [-s] [-T] [-e 'LOGLEVEL']
+
+=== OPTIONS
+
+*-h, --help*::
+ Print a short help message about the supported options
+*-V, --version*::
+ Print the compile-time version number of the OsmoHNBGW program
+*-d, --debug 'DBGMASK','DBGLEVELS'*::
+ Set the log subsystems and levels for logging to stderr. This
+ has mostly been superseded by VTY-based logging configuration,
+ see <<logging>> for further information.
+*-D, --daemonize*::
+ Fork the process as a daemon into background.
+*-c, --config-file 'CONFIGFILE'*::
+ Specify the file and path name of the configuration file to be
+ used. If none is specified, use `osmo-msc.cfg` in the current
+ working directory.
+*-s, --disable-color*::
+ Disable colors for logging to stderr. This has mostly been
+ deprecated by VTY based logging configuration, see <<logging>>
+ for more information.
+*-T, --timestamp*::
+ Enable time-stamping of log messages to stderr. This has mostly
+ been deprecated by VTY based logging configuration, see
+ <<logging>> for more information.
+*-e, --log-level 'LOGLEVEL'*::
+ Set the global log level for logging to stderr. This has mostly
+ been deprecated by VTY based logging configuration, see
+ <<logging>> for more information.