On command line from geoserver/src folder:
mvn clean install -T1C -Prelease -DskipTests
mvn assembly:attached -nsu
cd target/release
unzip geoserver-2.16-SNAPSHOT-bin.zip
./bin/startup.sh
On command line from geoserver/src folder:
mvn clean install -T1C -Prelease -DskipTests
mvn assembly:attached -nsu
cd target/release
unzip geoserver-2.16-SNAPSHOT-bin.zip
./bin/startup.sh