操作系统版本： Ubuntu 24.04
nacos 版本： 2.5.0
目录结构：

/opt/nacos/
├── bin
│?? ├── logs
│?? └── work
├── conf
├── data
│?? ├── connection
│?? ├── derby-data
│?? ├── naming
│?? ├── protocol
│?? └── tps
├── logs
└── target

脚本内容如下：

#！ /bin/bash
PACKAGE_DIR=/opt/source
APP_DIR=/opt
NACOS_VER=2.5.0
JDK_VER=20
JDK_VER_DETAIL=20.0.2
NACOS_SERVICE=/usr/lib/systemd/system/nacos.service

set_jdk() {
   wget -V
   if [ $? -ne 0 ];then
     apt install wget -y
   fi

   apt install wget -y 
   if  [ ! -d  $PACKAGE_DIR ];then
     mkdir -p $PACKAGE_DIR
   fi
   if [ ! -f $PACKAGE_DIR/jdk-${JDK_VER_DETAIL}_linux-x64_bin.tar.gz ];then
     wget -P $PACKAGE_DIR  https://download.oracle.com/java/${JDK_VER}/archive/jdk-${JDK_VER_DETAIL}_linux-x64_bin.tar.gz
     if [ $? -ne 0 ];then
       echo " jdk 安装包下载失败，请手动下载，即将退出"
       return 1
     fi
   else
     tar -xzvf ${PACKAGE_DIR}/jdk-${JDK_VER_DETAIL}_linux-x64_bin.tar.gz -C $APP_DIR
     echo "export JAVA_HOME=${APP_DIR}/jdk-${JDK_VER_DETAIL}" >> /etc/profile
     echo "export PATH=\$PATH:\$JAVA_HOME/bin" >> /etc/profile
     . /etc/profile
     java -version
     if [ $? -ne 0 ];then
       return 1
     else
       echo "JDK 已配置完成"
     fi 
   fi
}

deploy_nacos() {

   if [ ! -d $PACKAGE_DIR ];then
     mkdir $PACKAGE_DIR
   fi
   
   if [ ! -f $PACKAGE_DIR/nacos-server-${NACOS_VER}.zip ];then
     wget  -P $PACKAGE_DIR https://github.com/alibaba/nacos/releases/download/${NACOS_VER}/nacos-server-${NACOS_VER}.zip
     if [ $? -ne 0 ];then
       echo " nacos 安装包下载失败，请手动下载， 即将退出"
       return 1
     fi
   fi  
   unzip -d $APP_DIR $PACKAGE_DIR/nacos-server-${NACOS_VER}.zip
   sed -i 's/nacos.core.auth.enabled=false/nacos.core.auth.enabled=true/g'   ${APP_DIR}/nacos/conf/application.properties
   sed -i 's/nacos.core.auth.server.identity.key=/nacos.core.auth.server.identity.key=${NACOS_AUTH_IDENTITY_KEY:example}/g' ${APP_DIR}/nacos/conf/application.properties
   sed -i 's/nacos.core.auth.server.identity.value=/nacos.core.auth.server.identity.value=${NACOS_AUTH_IDENTITY_KEY:example}/g' ${APP_DIR}/nacos/conf/application.properties
   sed -i 's/nacos.core.auth.plugin.nacos.token.secret.key=/nacos.core.auth.plugin.nacos.token.secret.key=${NACOS_AUTH_TOKEN:SecretKey01234567890123456789012345345678999987654901234567890123456789}/g' ${APP_DIR}/nacos/conf/application.properties

   cd ${APP_DIR}/nacos/bin && ./startup.sh -m standalone
   if [ $? -eq 0 ];then
     echo "nacos 已部署启动成功"
     return 0
   else
     echo "nacos 安装出现异常，请查看报错信息"
     return 1
   fi
}

set_nacos_to_service() {
  echo "将nacos 配置成服务，设置成开机启动"
  if [ ! -f $NACOS_SERVICE ];then
    touch $NACOS_SERVICE
  else
    echo "Nacos 服务配置文件已存在"
  fi
  cat > $NACOS_SERVICE << EOF
  [Unit]
  Description=https://nacos.io/
  After=network.target

  [Service]
  Type=forking
  Environment=JAVA_HOME=${APP_DIR}/jdk-${JDK_VER_DETAIL}
  ExecStart=$APP_DIR/nacos/bin/startup.sh -m standalone
  ExecStop=$APP_DIR/nacos/bin/shutdown.sh
  PrivateTmp=true

  [Install]
  WantedBy=multi-user.target 
EOF
  cat $NACOS_SERVICE
  systemctl daemon-reload
  sleep 60
  ss -ntaulp |grep 8848
  if [ $? -eq 0 ];then
    sleep  60
    $APP_DIR/nacos/bin/shutdown.sh
  fi
  systemctl enable nacos
  systemctl start nacos
  if [ $? -eq 0 ];then
     echo "nacos 服务配置成功, nacos 服务已启动"
  else
     echo "nacos 服务配置异常，请检查服务配置信息"
  fi

}

java -version
if [ $? -eq 0 ];then
  echo "JDK 已配置"   
else
  echo "没有jdk环境，开始安装jdk"
  set_jdk
fi
deploy_nacos
if [ $? -eq 0 ];then
  set_nacos_to_service
fi