boss44 发表于 2017-12-25 22:36:33

Tomcat 部署安装及JVM调优~

环境准备  linux:CentOS 7.3
  tomcat: 9.0.0.M21
  jdk:    1.8.0_131
  ip:   192.168.1.5
  tomcat官方下载地址
  http://tomcat.apache.org/download-90.cgi
  下载tomcat
  # cd /usr/local/src
  # wget -c http://mirrors.tuna.tsinghua.edu.cn/apache/tomcat/tomcat-9/v9.0.0.M21/bin/apache-tomcat-9.0.0.M21.tar.gz
  添加tomcat的用户并设置密码
  # useradd-u 601 tomcat
  # echo "tomcat" | passwd --stdin tomcat
  解压tomcat的tar包
  # tar -zxvf apache-tomcat-9.0.0.M21.tar.gz
  移动tomcat到目录/usr/local下
  # mv /usr/local/src/apache-tomcat-9.0.0.M21 /usr/local
  最佳实践方式,软连接
  # ln -sv /usr/local/apache-tomcat-9.0.0.M21/ /usr/local/tomcat
  下载JDK的tar包(jdk-8u131-linux-x64.tar.gz)下载到到/usr/local/src目录中
  官方下载地址:http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
  解压JDK的压缩包
  # tar -zxvf jdk-8u131-linux-x64.tar.gz
  移动JDK的目录到/usr/local下
  # mv /usr/local/src/jdk1.8.0_131/ /usr/local
  最佳实践方式,创建软连接
  # ln -sv /usr/local/jdk1.8.0_131/ /usr/local/jdk
  设置java所需要的运行环境
  # cd /etc/profile.d/
  # vim tomcat.sh
  添加如下内容
  export JAVA_HOME=/usr/local/jdk
  export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH

  export>  export TOMCAT_HOME=/usr/local/tomcat
  让tomcat的配置脚本生效
  # source /etc/profile.d/tomcat.sh
  监测java的环境
  # java -version
  java version "1.8.0_131"
  Java(TM) SE Runtime Environment (build 1.8.0_131-b11)
  Java HotSpot(TM) 64-Bit Server VM (build 25.131-b11, mixed mode)
  更改jdk及tomcat目录的属主属组
  # chown -R tomcat:tomcat /usr/local/jdk/
  # chown -R tomcat:tomcat /usr/local/tomcat/
  切换到tomcat用户
  # su -l tomcat
  启动tomcat服务
  /usr/local/tomcat/bin/startup.sh
  tomcat的默认根路径(生产的代码)
  /usr/local/tomcat/webapps
  编辑tomcat的访问控制xml配置文件
  # vim /usr/local/tomcat/conf/tomcat-users.xml
  在配置文件中添加用户tomcat,并设置密码为1qazxsw2,这样就可以访问manager-gui和admin-gui的管理界面了
  <role rolename="manager-gui" />
  <role rolename="admin-gui" />
  <user username="tomcat" password="1qazxsw2" roles="manager-gui,admin-gui" />
  重启tomcat服务
  # /usr/local/tomcat/bin/shutdown.sh
  # /usr/local/tomcat/bin/startup.sh
  这个时候如果是通过其他主机去访问tomcat的manager管理界面(为了安全考虑,默认是只允许主机访问),是无法使用的,我们需要再次修改一丢丢的内容
  # vim /usr/local/tomcat/webapps/manager/META-INF/context.xml
  修改allow的内容如下
  allow="127\.\d+\.\d+\.\d+|::1|0:0:0:0:0:0:0:1|\d+\.\d+\.\d+\.\d+"
  浏览器可以去访问我们的tomcat服务的管理页面了
  http://192.168.1.5:8080/manager/html
  创建管理tomcat的启动关闭状态脚本
  vim /usr/bin/tomcat.sh
  添加如下内容
  #!/bin/bash
  TomcatPath=/usr/local/tomcat
  usage() {
  echo "Usage:$0 "
  }
  start_tomcat(){
  /usr/local/tomcat/bin/startup.sh
  }
  stop_tomcat() {
  TomcatPid=$(ps -aux | grep 'java' | grep 'tomcat' | grep -v 'grep' | awk '{print $2}')
  kill -9 $TomcatPid
  sleep 5;
  TomcatStat=$(ps -aux | grep 'java' | grep 'tomcat' | grep -v 'grep' | awk '{print $2}') >> /dev/null
  if [ -z $TomcatStat ];then
  echo -e "\033[31mtomcat stoping..\033[0m"
  else
  kill -9 $TomcatStat
  fi
  cd $TomcatPath
  rm -rf temp/*
  rm-rf work/*
  }
  stat_tomcat() {
  TomcatStat=$(ps -aux | grep 'java' | grep 'tomcat' | grep -v 'grep') >> /dev/null
  if [ -z $TomcatStat ];then
  echo -e "\033[31mtomcat stop..\033[0m"
  else
  echo -e "\033[32mtomcat running...\033[0m"
  fi
  }
  main(){
  case $1 in
  start)
  start_tomcat;;
  stop)
  stop_tomcat;;
  restart)
  stop_tomcat && start_tomcat;;
  status)
  stat_tomcat;;
  *)
  usage;;
  esac
  }
  main $1
  更改脚本的属组属组并添加运行权限
  # chown tomcat:tomcat /usr/bin/tomcat.sh
  # chmod +x /usr/bin/tomcat.sh
  测试下写的tomcat的脚本
  # tomcat status
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