环境要求
JDK 11.0.5
4G+ free
可使用wget命令下载、解压缩并安装

wget
https://archive.apache.org/dist/rocketmq/4.5.1/
rocketmq-all-4.5.1-bin-release.zip

放在/usr/local目录下

修改脚本
bin/runserver.sh
bin/runbroker.sh
bin/tools.sh

nameserver:
vim bin/runserver.sh

`#!/bin/sh

Licensed to the Apache Software Foundation (ASF) under one or more

contributor license agreements. See the NOTICE file distributed with

this work for additional information regarding copyright ownership.

The ASF licenses this file to You under the Apache License, Version 2.0

(the "License"); you may not use this file except in compliance with

the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software

distributed under the License is distributed on an "AS IS" BASIS,

WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

See the License for the specific language governing permissions and

limitations under the License.

===========================================================================================

Java Environment Setting

===========================================================================================

error_exit ()
{
echo "ERROR: $1 !!"
exit 1
}

[ ! -e "$JAVA_HOME/bin/java" ] && JAVA_HOME=$HOME/jdk/java
[ ! -e "$JAVA_HOME/bin/java" ] && JAVA_HOME=/usr/java
[ ! -e "$JAVA_HOME/bin/java" ] && error_exit "Please set the JAVA_HOME variable in your environment, We need java(x64)!"

export JAVA_HOME
export JAVA="$JAVA_HOME/bin/java"
export BASE_DIR=$(dirname $0)/..
export CLASSPATH=${BASE_DIR}/lib/rocketmq-namesrv-4.5.0.jar:${BASE_DIR}/lib/*