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Adds info about the include file, and also more troubleshooting and package info.
== Troubleshooting ==
Make sure that you use the official packages from Elasticsearch, and NOT the Ubuntu packages. See below for the installation guide. Note that I had to actually un-comment and specify the bind.host as 0.0.0.0 on an older setup (Version: 1.7.3, Build: NA/NA, JVM: 1.8.0_171 on Ubuntu 16.04). Plus, make sure that your firewall is allowing the ports 9200-9400. You can run the startup shell script directly to see what's wrong if there's no log output (and read the source for options): <code>/usr/share/elasticsearch/bin/elasticsearch</code>
<pre>
--prop val set elasticsearch property (i.e. -Des.<prop>=<val>)
</pre>
== Production Configuration ==
ElasticSearch looks for a configuration file to include, and uses a search path for that include. You can specify it on the command-line; through an environment variable; or just make sure that your file is found in the search path.
<source lang="bash">
# If an include wasn't specified in the environment, then search for one...
if [ "x$ES_INCLUDE" = "x" ]; then
# Locations (in order) to use when searching for an include file.
for include in /usr/share/elasticsearch/elasticsearch.in.sh \
/usr/local/share/elasticsearch/elasticsearch.in.sh \
/opt/elasticsearch/elasticsearch.in.sh \
~/.elasticsearch.in.sh \
$ES_HOME/bin/elasticsearch.in.sh \
"`dirname "$0"`"/elasticsearch.in.sh; do
if [ -r "$include" ]; then
. "$include"
break
fi
done
# ...otherwise, source the specified include.
elif [ -r "$ES_INCLUDE" ]; then
. "$ES_INCLUDE"
fi
</source>
