#Login as root
	sudo su
	#create jdk directory
	mkdir /opt/jdk
	#uncompress, change to your file name
	tar -zxf jdk-8u5-linux-x64.tar.gz -C /opt/jdk
	#check if files are there
	#ls /opt/jdk
	#update alternatives so the command java point to the new jdk
	update-alternatives –install /usr/bin/java java /opt/jdk/jdk1.8.0_05/bin/java 100
	#update alternatives so the command javac point to the new jdk
	update-alternatives –install /usr/bin/javac javac /opt/jdk/jdk1.8.0_05/bin/javac 100
	#check if java command is pointing to ” link currently points to /opt/jdk/jdk1.8.0_05/bin/java”
	update-alternatives –display java
	#check if java command is pointing to ” link currently points to /opt/jdk/jdk1.8.0_05/bin/javac”
	update-alternatives –display javac
	#check if java is running
	java -version

source : https://gist.github.com/filipelenfers/ef3f593deb0751944bb54b744bcac074

Posted on: October 27, 2021, by : Julian's | 44 views