https://www.cnblogs.com/moonandstar08/p/7368292.html

https://blog.csdn.net/qq_35981283/article/details/77583073

https://blog.csdn.net/Dh_Chao/article/details/78663365

https://blog.csdn.net/jyxmust/article/details/73730766

cd /testspringB/ JAVA_OPTS="
-Djava.security.egd=file:/dev/urandom
-Djava.net.preferIPv4Stack=true
-XX:+UseG1GC
-verbose:gc
-Xloggc:/data/logs/hostnameverbose_gcdate +%Y%m%d%H%M%S.log
-XX:+PrintGCDetails
-XX:+PrintGCDateStamps" \

java $JAVA_OPTS -jar /testspringB/testspringboot.jar --spring.profiles.active=staging >/tomcat.out #&>/dev/null

https://www.cnblogs.com/softidea/p/5751596.html