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Intro. Accessing Linux One time command Everytime commands Sometime commands
Big Data: Data Analysis Boot CampStarting Hadoop on Linux
Chuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhDChuck Cartledge, PhD
12 October 201812 October 201812 October 201812 October 201812 October 201812 October 201812 October 201812 October 201812 October 201812 October 201812 October 201812 October 201812 October 201812 October 201812 October 201812 October 201812 October 201812 October 201812 October 201812 October 201812 October 2018
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Table of contents (1 of 1)
1 Intro.
2 Accessing LinuxStep-by-step
3 One time command
4 Everytime commands
Start and stop.5 Sometime commands
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Intro. Accessing Linux One time command Everytime commands Sometime commands
What are we going to cover?
Hadoop provides the map-reduceinfrastructure used by selected R scriptsin this boot camp. We will showcommands that:
1 Are executed once,
2 Must be executed everytime, and
3 Should be executed everytime.
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Step-by-step
Finding the Linux VM
Locate the hadoop shortcut onthe desktop
Find and start the LinuxVMware.
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Step-by-step
Same image.
Find and start the Linux VMware.
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Step-by-step
Starting the Linux VM
1 Locate the Hadoop label onthe left bar
2 Press the run button on thetop
3 Accept the various defaultwarnings and settings
Find and start the Linux VM.
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Step-by-step
Same image.
Find and start the Linux VM.
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Step-by-step
Log into the Linux/Ubuntu software
Login name is:ODUBootcamp
Password is: ODUBootcam
You will need the password manytimes.
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Step-by-step
Same image.
You will need the password many times.
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Step-by-step
Bring up a command/terminal window
Double click the terminal icon.
You have now accessed the LinuxVM and brought up a terminal
window.
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Step-by-step
Same image.
You have now accessed the Linux VM and brought up a terminalwindow.
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Format the Hadoop namenodes
In a terminal window; type thiscommand:/usr/local/hadoop/bin/hdfs
namenode -format
and press the Enter key.
This will generate lots of outputyou can ignore.
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Same image.
This will generate lots of output you can ignore.
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Start and stop.
Start the Hadoop applications
In a terminal window; type thiscommand:/usr/local/hadoop/sbin/start-all.sh
and press the Enter key.
You will be asked for theODUBootcamp password 4
times.
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Start and stop.
Same image.
You will be asked for the ODUBootcamp password 4 times.
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Start and stop.
Stop the Linux/Ubuntu software.
Locate and press the gear buttonin the upper left corner.
Press the “ShutDown. . . ”option, then the “Shut Down”
button.
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Start and stop.
Same image.
Press the “ShutDown. . . ” option, then the “Shut Down” button.
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Stop the Hadoop applications
In a terminal window; type thiscommand:/usr/local/hadoop/sbin/stop-all.sh
and press the Enter key.You will be asked for theODUBootcamp password 4times.
You should stop the Hadoopapplications in a controlled
manner.
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Intro. Accessing Linux One time command Everytime commands Sometime commands
Same image.
You should stop the Hadoop applications in a controlled manner.