JDK1.8 installation Log [Debian and CentOS Linux]

JDK 1.8 installation

Sun Java JDK 1.8 is download here.
Here is the quick download log for all Linux user. In my case JDK 1.8 download the /opt directory.

root@user:/opt# wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2
Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u66-b17/jdk-8u66-linux-x64.tar.gz"

Untar the downloaded file.

root@user:/opt# tar -xzf jdk-8u66-linux-x64.tar.gz
root@user:/opt# ls
jdk1.8.0_66

Here is the installation log for Debian Linux user.

root@user:/opt# update-alternatives --install /usr/bin/java java /opt/jdk1.8.0_66/bin/java 1041
root@user:/opt# update-alternatives --install /usr/bin/javac javac /opt/jdk1.8.0_66/bin/javac 1041
root@user:/opt# update-alternatives --config java
There are 2 choices for the alternative java (providing /usr/bin/java).
Selection                                       Path                                    Priority       Status
------------------------------------------------------------
* 0     /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java   1071       auto mode
1     /opt/jdk1.8.0_66/bin/java                                               1041       manual mode
2     /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java     1071       manual mode
Press enter to keep the current choice[*], or type selection number: 1
update-alternatives: using /opt/jdk1.8.0_66/bin/java to provide /usr/bin/java (java) in manual mode
root@user:/opt# java -version
java version "1.8.0_66"
Java(TM) SE Runtime Environment (build 1.8.0_66-b17)
Java HotSpot(TM) 64-Bit Server VM (build 25.66-b17, mixed mode)

If you are using CentOS, here is the installation log.

[root@user opt]# alternatives --install /usr/bin/java java /opt/jdk1.8.0_66/bin/java 2
[root@user opt]# alternatives --config java
There are 4 programs which provide ’java’.
Selection           Command
-----------------------------------------------
*+ 1     /usr/lib/jvm/jre-1.7.0-openjdk.x86_64/bin/java
2     /usr/lib/jvm/jre-1.6.0-openjdk.x86_64/bin/java
3     /usr/lib/jvm/jre-1.5.0-gcj/bin/java
4     /opt/jdk1.8.0_66/bin/java
Enter to keep the current selection[+], or type selection number: 4
[root@user opt]# alternatives --install /usr/bin/jar jar /opt/jdk1.8.0_66/bin/jar 2
[root@user opt]# alternatives --install /usr/bin/javac javac /opt/jdk1.8.0_66/bin/javac 2
[root@user opt]# alternatives --set jar /opt/jdk1.8.0_66/bin/jar
[root@user opt]# alternatives --set javac /opt/jdk1.8.0_66/bin/javac
[root@user opt]# java -version
java version "1.8.0_66"
Java(TM) SE Runtime Environment (build 1.8.0_66-b17)
Java HotSpot(TM) 64-Bit Server VM (build 25.66-b17, mixed mode)