下载java
sudo apt-get install openjdk-8-jdk
下载hadoop
https://archive.apache.org/dist/hadoop/core/hadoop-3.3.1/
配置环境变量
mkdir /opt/software
tar -zxvf hadoop-3.3.1.tar.gz -C /opt/software/
vi ~/.bashrc
将环境变量添加到bashrc文件内
export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64/jre
export PATH=$PATH:$JAVA_HOME/bin
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export HADOOP_HOME=/opt/software/hadoop-3.3.1
export PATH=$PATH:$HADOOP_HOME/bin
export PATH=$PATH:$HADOOP_HOME/sbin
source ~/.bashrc
即可
bernard@aqua:~/下载$ java -version
openjdk version "1.8.0_292"
OpenJDK Runtime Environment (build 1.8.0_292-8u292-b10-0ubuntu1-b10)
OpenJDK 64-Bit Server VM (build 25.292-b10, mixed mode)
bernard@aqua:~/下载$ hadoop version
Hadoop 3.3.1
Source code repository https://github.com/apache/hadoop.git -r a3b9c37a397ad4188041dd80621bdeefc46885f2
Compiled by ubuntu on 2021-06-15T05:13Z
Compiled with protoc 3.7.1
From source with checksum 88a4ddb2299aca054416d6b7f81ca55
This command was run using /opt/software/hadoop-3.3.1/share/hadoop/common/hadoop-common-3.3.1.jar
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