Big data experiment environment preparation and configuration (end of part 4)
Part 4: Download and decompress Hadoop
(1) Hadoop installation package download
Download link : http://hadoop.apache.org/releases.html
(opened in a browser in Ubuntu system)
You can choose the version by yourself, the latest version is hadoop-3.3.0.tar.gz
After the download is complete, you can view it in "Downloads"
(2) Unzip the installation package
First create a new folder bigdata and unzip it to this directory.
Terminal command: sudo mkdir /bigdata
Unzip the installation package:
Terminal command: sudo tar -zxvf hadoop-3.3.0-src.tar.gz -C /bigdata/
There are several important directories under the Hadoop installation package directory
sbin: scripts to start or stop Hadoop related services
bin: scripts to operate Hadoop related services (HDFS, YARN)
etc: Hadoop configuration file directory
share: Hadoop dependencies Jar packages and documents, documents can be deleted
lib: Hadoop native library (compress and decompress data)
All under these folders.
(4) Modify folder permissions: After 
doing this, the big data experiment environment preparation and configuration are all completed, and some big data learning experiments will be updated next. Don't give up, but have a pursuit of technology.