Construction steps of big data Development Environment with Zero basic Learning

Step 0: prepare the Hadoop installation package material: hadoop-2.6.0-cdh6.7.0.tar.gz

Step 1: enter the following command, and then press enter all the time.

Step 2: enter the following command

Step 3: put the hadoop installation package in the muke8soft folder of the E disk

Step 4: press the keyboard Alt+P to enter sftp

Step 5: enter the following command

Step 5: enter the following command (extract the hadoop installation package to ~ / app

Step 7: enter the following command and copy the path of JAVA_HOME, as the next step is pasted.

Step 8: enter the following command to edit hadoop-env.sh

Step 9: enter the red box in the following figure to make sure that the path of JAVA_HOME is equal to the JAVA_HOME path you just copied

Step 10: enter the command in the following figure

Step 11: enter the red box in the following image

Step 12: enter the following command to create two tmp folders

Step 13: enter the following command to modify the hdfs-site.xml configuration file

Step 14: enter the red box below

Step 15: enter the following figure

Step 16: delete all the original content and enter the red box below

Step 17: enter the red box below

Step 18: check to make sure the following picture appears

Step 19: enter the following command, get the path shown in the following figure, and copy

Step 20: enter the following command

Step 21: enter the following command

Step 22: enter the following command

Step 23: to avoid reporting errors, switch to the root user and install an openssh-clients using yum as a supplement, as shown in the following figure.

Step 24: enter the following command

Step 25: enter the following command: yes

Step 26: enter the following command: yes

Step 27: enter the following command: jps. Check to see if the thread in the following figure appears, and there are instructions for installation