java -jar -Dserver.port=10000 -Dlogging.path=/var/logs xxx.jar & -- Generate spring.log file in /var/logs/ by default java -jar -Dserver.port=10001 -Dlogging.file=/var/logs/yyy.log yyy.jar & -- Specify virtual machine memory, log files, configuration files, and start the SpringBoot project java -Xms256m -Xmx512m -jar -Dlogging.file=/var/logs/ebag-school.log LK-school-1.0.jar --spring.config.location=school-prod.yml &