centos上部署tomcat的技巧

?CentOS???Tomcat?????:

1. ??Java??:

   ???????Java????????????????????Java:

   java -version
   

   ??????Java,??????????OpenJDK:

   sudo yum install java-1.8.0-openjdk-devel -y
   

2. ??Tomcat???:

   ??Tomcat??(https://tomcat.apache.org/download-90.cgi)???????Tomcat???

3. ??Tomcat???:

   ???????????Tomcat??:

   tar -xvf apache-tomcat-9.0.56.tar.gz
   

4. ??Tomcat??:

   ?????Tomcat??????????,?? /opt ??:

   sudo mv apache-tomcat-9.0.56 /opt/tomcat
   

5. ??????:

   ????????????Tomcat,??????:

   echo 'export CATALINA_HOME="/opt/tomcat"' >> ~/.bashrc
   echo 'export PATH=$CATALINA_HOME/bin:$PATH' >> ~/.bashrc
   source ~/.bashrc
   

6. ??Tomcat???:

   ??Tomcat?????Tomcat???:

   cd /opt/tomcat/bin
   ./startup.sh
   

7. ??Tomcat???????:

   ??????? http://localhost:8080,????Tomcat?????,??????????

8. ?????:

   ??????????,??????????Tomcat??????:

   sudo firewall-cmd --zone=public --add-port=8080/tcp --permanent
   sudo firewall-cmd --reload
   

9. ??Tomcat:

   • ??JVM??:?? CATALINA_HOME/bin/catalina.sh ??,?????JVM??,??:

     JAVA_OPTS="-Djava.awt.headless=true -Dfile.encoding=UTF-8 -server -Xms512m -Xmx1024m -XX:NewSize=256m -XX:MaxNewSize=256m -XX:MetaspaceSize=256m -XX:MaxMetaspaceSize=256m -XX:SurvivorRatio=4 -XX:+UseConcMarkSweepGC -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/tmp/tomcat-heap-dump.hprof"
     

   • ?????(Connector):?? CATALINA_HOME/conf/server.xml ??,????????????,??:

   • ????????:?????Apache???????????????,????AJP?????? CATALINA_HOME/conf/server.xml ??,??????:

   • ??NIO?NIO2:Tomcat 8?????????NIO??,????????

   • ??Tomcat????:?????????,??:

     JAVA_OPTS="$JAVA_OPTS -XX:MaxQueueSize=200"
     

   • ??????:??????????,??Tomcat??????????

   • ???????:??JMX?VisualVM?????Tomcat??,????????

   • ??????:????????(?Apache JMeter)??????,???????

?????????,????CentOS????????Tomcat????