Java
java home 配置 vim /etc/profile export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.312.b07-10.p01.ky10.aarch64/jre/ export PATH=$JAVA_HOME/bin:$PATH export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar Java • Jcmd 开启java 进程remote 端口 jcmd 20364 ManagementAgent.start jmxremote.port=9999 jmxremote.ssl=false jmxremote.authenticate=false -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=9999 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Djava.rmi.server.hostname=10.1.219.21 • Java dump堆栈信息 jmap -dump:format=b,file=VipQuickRoutePlatAsyn.dat 29473