Hadoop standalone installation:1. Install JDKInstall JDK with below command:sudo apt-get install sun-java6-jdkConfigure Java environment, open /etc/profile, add below contents:export JAVA_HOME = （Java installation directory）export CLASSPATH =".:$JAVA_HOME/lib:$CLASSPATH"export PATH = "$JAVA_HOME/:PATH"Verify installation of JavaType java --version, if it outputs Java version information, then Java is successfully installed.2. Install SSHInstall SSH with below command:sudo apt-get install sshConfigure SSH to login to local PC without password:ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsaP...