1. install_jdk.sh #!/bin/bash tar -zxvf /export/softwares/jdk-8u141-linux-x64.tar.gz -C /export/servers/ cd /export/servers/jdk1.8.0_141 home=`pwd` echo $home echo "export JAVA_HOME=${home}" >> /etc/profile echo "export PATH=:\$PATH:\$JAVA_HOME/bin" >> /etc/profile for m in 2 3 do scp -r /export/servers/jdk1.8.0_141 node0$m:/export/servers/ ssh node0$m "echo 'export JAVA_HOME=/export/servers/jdk1.8.0_141' >> /etc/profile; echo 'export PATH=:\$PATH:\$JAVA_HOME/bin' >> /etc/profile" done