Configure > Command Options
Full list of command options can be viewed by running h2o --help.
Following is the output of --help as of version 1.2.0.
Options:
-c, --conf FILE configuration file (default: h2o.conf)
-m, --mode <mode> specifies one of the following mode
- worker: invoked process handles incoming connections
(default)
- daemon: spawns a master process and exits. `error-log`
must be configured when using this mode, as all
the errors are logged to the file instead of
being emitted to STDERR
- master: invoked process becomes a master process (using
the `share/h2o/start_server` command) and spawns
a worker process for handling incoming
connections. Users may send SIGHUP to the master
process to reconfigure or upgrade the server.
- test: tests the configuration and exits
-t, --test synonym of `--mode=test`
-v, --version prints the version number
-h, --help print this help
The default path of the configuration file may differ depending on the distribution.
Please run h2o --help to find out the location.