Spark builds Linux commands for the environment (easy-to-use (don't spray))

Responsible for content from one server to another server: SCP jdk-6u37-linux-x64.bin [Email protected]:/home/spark/opt

Tar compression and decompression files: compression TAR-CVF java.tar.gz java/decompression: TAR-XVF java.tar.gz

To configure a Java environment variable:

Go to various places download the JDK package: jdk-6u37-linux-x64.bin, modify File Execution permissions: chmod a+x jdk-6u37-linux-x64.bin, install:./jdk-6u37-linux-x64.bin

Edit vi ~/.bash_profile, add content

# set Java env
Export java_home=/home/spark/opt/java/jdk1.6.0_37

Export classpath=.: $JAVA _home/jre/lib: $JAVA _home/lib: $JAVA _home/lib/tools.jar

Path= $PATH: $HOME/bin: $JAVA _home/bin

Export PATH

Save and source ~/.bash_profile

Spark builds Linux commands for the environment (easy-to-use (don't spray))