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用以 CentOS7 的 tomcat 启动脚本，位置 /etc/init.d/tomcat

update 2020.09.16：之前脚本写错了，今天服务器中毒了才发现原来都是我留下锅，应该遵循降权运行的策略：创建 tomcat 用户和组。

先把 SELiunx 关了，否则啥事情都干不了（非常用端口无法开启http服务）。
查看状态 sestatus
然后编辑/etc/selinux/config

SELINUX=disabled

重启系统。

#!/bin/bash  
#  
# chkconfig: - 95 15   
# description: Tomcat start/stop/status script  
  
#Location of JAVA_HOME (bin files)  
export JAVA_HOME=/www/jdk
  
#Add Java binary files to PATH  
export PATH=$JAVA_HOME/bin:$PATH  
  
#CATALINA_HOME is the location of the configuration files of this instance of Tomcat  
CATALINA_HOME="/www/tomcat8"
  
#TOMCAT_USER is the default user of tomcat  
TOMCAT_USER=tomcat
  
#TOMCAT_USAGE is the message if this script is called without any options  
TOMCAT_USAGE="Usage: $0 {\e[00;32mstart\e[00m|\e[00;31mstop\e[00m|\e[00;32mstatus\e[00m|\e[00;31mrestart\e[00m}"  
  
#SHUTDOWN_WAIT is wait time in seconds for java proccess to stop  
SHUTDOWN_WAIT=20  
  
tomcat_pid() {  
        echo `ps -ef | grep $CATALINA_HOME | grep -v grep | tr -s " "|cut -d" " -f2`  
}  
  
start() {  
  pid=$(tomcat_pid)  
  if [ -n "$pid" ];then  
    echo -e "\e[00;31mTomcat is already running (pid: $pid)\e[00m"  
  else  
    echo -e "\e[00;32mStarting tomcat\e[00m"  
    if [ `user_exists $TOMCAT_USER` = "1" ];then  
      if id -u $TOMCAT_USER >/dev/null 2>&1;then
        su $TOMCAT_USER -c $CATALINA_HOME/bin/startup.sh  
      fi
    else  
      $CATALINA_HOME/bin/startup.sh  
    fi  
    status  
  fi  
  return 0  
}  
  
status(){  
  pid=$(tomcat_pid)  
  if [ -n "$pid" ];then  
    echo -e "\e[00;32mTomcat is running with pid: $pid\e[00m"  
  else  
    echo -e "\e[00;31mTomcat is not running\e[00m"  
  fi  
}  
  
stop() {  
  pid=$(tomcat_pid)  
  if [ -n "$pid" ];then  
    echo -e "\e[00;31mStoping Tomcat\e[00m"  
        $CATALINA_HOME/bin/shutdown.sh  
  
    let kwait=$SHUTDOWN_WAIT  
    count=0;  
    until [ `ps -p $pid | grep -c $pid` = '0' ] || [ $count -gt $kwait ]  
    do  
      echo -n -e "\e[00;31mwaiting for processes to exit\e[00m\n";  
      sleep 1  
      let count=$count+1;  
    done  
  
    if [ $count -gt $kwait ];then  
      echo -n -e "\n\e[00;31mkilling processes which didn't stop after $SHUTDOWN_WAIT seconds\e[00m"  
      kill -9 $pid  
    fi  
  else  
    echo -e "\e[00;31mTomcat is not running\e[00m"  
  fi  
  
  return 0  
}  
  
user_exists(){  
  if id -u $1 >/dev/null 2>&1; then  
    echo "1"  
  else  
    echo "0"  
  fi  
}  
  
case $1 in  
        start)  
          start  
        ;;  
  
        stop)    
          stop  
        ;;  
  
        restart)  
          stop  
          start  
        ;;  
  
        status)  
      status  
        ;;  
  
        *)  
      echo -e $TOMCAT_USAGE  
        ;;  
esac      
exit 0