Install Oracle Java 8u191 on Fedora 29/28, CentOS/RHEL 7.5/6.10

Updated on by JR 43 comments

java-logoThis is guide, howto Install Oracle (Sun) Java JDK and JRE 8 update 191 (8u191) on Fedora 29/28/27/26, CentOS 7.5/6.10, Red Hat (RHEL) 7.5/6.10.

If you’re looking installation instruction for older Oracle Java versions, then check Install Sun/Oracle Java JDK/JRE 7 on Fedora 24/23/22/21/20/19, CentOS/Red Hat (RHEL) 7.2/6.9/5.11 or Install Sun/Oracle Java JDK/JRE 6 on Fedora 20/19/18, CentOS/Red Hat (RHEL) 6.5/5.10.

What’s new in Oracle Java 8

  • Java Programming Language
    • Lambda Expressions, a new language feature
    • Default methods enable new functionality to be added to the interfaces of libraries and ensure binary compatibility with code written for older versions of those interfaces
    • Improved type inference.
  • Collections
    • Classes in the new java.util.stream package provide a Stream API to support functional-style operations on streams of elements
    • Performance Improvement for HashMaps with Key Collisions
  • Security
    • Client-side TLS 1.2 enabled by default
    • Stronger algorithms for password-based encryption
    • SSL/TLS Server Name Indication (SNI) Extension support in JSSE Server
    • SHA-224 Message Digests
    • Enhanced Support for NSA Suite B Cryptography
  • Tools
    • The jjs command is provided to invoke the Nashorn engine
    • The java command launches JavaFX applications
    • The java man page has been reworked
    • The jdeps command-line tool is provided for analyzing class files
    • Java Management Extensions (JMX) provide remote access to diagnostic commands
    • The jarsigner tool has an option for requesting a signed time stamp from a Time Stamping Authority (TSA)

Read full info from here.

Install Sun/Oracle Java JDK/JRE 8u191 on Fedora 29/28/27/26, CentOS 7.5/6.10, Red Hat (RHEL) 7.5/6.10

1. Download Sun/Oracle Java JDK/JRE 8u181 32-bit/64-bit RPM packages

Download Sun/Oracle Java 8u191 from here www.oracle.com/technetwork/java/javase/downloads/index.html. Select rpm package (jdk-8u191-linux-i586.rpm, jdk-8u191-linux-x64.rpm, jre-8u191-linux-i586.rpm or jre-8u191-linux-x64.rpm).

2. Change to root user.


sudo -i
## OR ##
su -

3. Install Java JDK or JRE package


## JDK 32-bit ##
rpm -Uvh /path/to/binary/jdk-8u191-linux-i586.rpm

## JDK 64-bit ##
rpm -Uvh /path/to/binary/jdk-8u191-linux-x64.rpm

## JRE 32-bit ##
rpm -Uvh /path/to/binary/jre-8u191-linux-i586.rpm

## JRE 64-bit ##
rpm -Uvh /path/to/binary/jre-8u191-linux-x64.rpm

4a. Install Sun/Oracle JDK java, javaws, libjavaplugin.so (for Firefox/Mozilla) and javac with alternatives –install command

Note Fedora 29 users, if you need javaws, then on Fedora 29 you will following before next step:

alternatives --set javaws /usr/bin/javaws

dnf install libnsl

Use Java JDK latest version (/usr/java/latest)


## java ##
alternatives --install /usr/bin/java java /usr/java/latest/jre/bin/java 200000
## javaws ##
alternatives --install /usr/bin/javaws javaws /usr/java/latest/jre/bin/javaws 200000

## Java Browser (Mozilla) Plugin 32-bit ##
alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.so libjavaplugin.so /usr/java/latest/jre/lib/i386/libnpjp2.so 200000

## Java Browser (Mozilla) Plugin 64-bit ##
alternatives --install /usr/lib64/mozilla/plugins/libjavaplugin.so libjavaplugin.so.x86_64 /usr/java/latest/jre/lib/amd64/libnpjp2.so 200000

## Install javac only if you installed JDK (Java Development Kit) package ##
alternatives --install /usr/bin/javac javac /usr/java/latest/bin/javac 200000
alternatives --install /usr/bin/jar jar /usr/java/latest/bin/jar 200000

Use Java JDK 8u191 absolute version (/usr/java/jdk1.8.0_191)


## java ##
alternatives --install /usr/bin/java java /usr/java/jdk1.8.0_191/jre/bin/java 200000
## javaws ##
alternatives --install /usr/bin/javaws javaws /usr/java/jdk1.8.0_191/jre/bin/javaws 200000

## Java Browser (Mozilla) Plugin 32-bit ##
alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.so libjavaplugin.so /usr/java/jdk1.8.0_191/jre/lib/i386/libnpjp2.so 200000

## Java Browser (Mozilla) Plugin 64-bit ##
alternatives --install /usr/lib64/mozilla/plugins/libjavaplugin.so libjavaplugin.so.x86_64 /usr/java/jdk1.8.0_191/jre/lib/amd64/libnpjp2.so 200000

## Install javac only if you installed JDK (Java Development Kit) package ##
alternatives --install /usr/bin/javac javac /usr/java/jdk1.8.0_191/bin/javac 200000
alternatives --install /usr/bin/jar jar /usr/java/jdk1.8.0_191/bin/jar 200000

4b. Install Sun/Oracle JRE java, javaws and libjavaplugin.so (for Firefox/Mozilla) with alternatives –install command

Use Java JRE latest version (/usr/java/latest)


## java ##
alternatives --install /usr/bin/java java /usr/java/latest/bin/java 200000

## javaws ##
alternatives --install /usr/bin/javaws javaws /usr/java/latest/bin/javaws 200000

## Java Browser (Mozilla) Plugin 32-bit ##
alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.so libjavaplugin.so /usr/java/latest/lib/i386/libnpjp2.so 200000

## Java Browser (Mozilla) Plugin 64-bit ##
alternatives --install /usr/lib64/mozilla/plugins/libjavaplugin.so libjavaplugin.so.x86_64 /usr/java/latest/lib/amd64/libnpjp2.so 200000

Use Java JRE 8u181 absolute version (/usr/java/jre1.8.0_191)


## java ##
alternatives --install /usr/bin/java java /usr/java/jre1.8.0_191/bin/java 200000

## javaws ##
alternatives --install /usr/bin/javaws javaws /usr/java/jre1.8.0_191/bin/javaws 200000

## Java Browser (Mozilla) Plugin 32-bit ##
alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.so libjavaplugin.so /usr/java/jre1.8.0_191/lib/i386/libnpjp2.so 200000

## Java Browser (Mozilla) Plugin 64-bit ##
alternatives --install /usr/lib64/mozilla/plugins/libjavaplugin.so libjavaplugin.so.x86_64 /usr/java/jre1.8.0_191/lib/amd64/libnpjp2.so 200000

5. Check current java, javac, javaws and libjavaplugin.so versions

java -version
java version "1.8.0_191"
Java(TM) SE Runtime Environment (build 1.8.0_191-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.191-b12, mixed mode)

javaws
Java(TM) Web Start 11.191.2.12-fcs
[...]

javac -version
javac 1.8.0_191

Note: Check libjavaplugin.so with restarting Mozilla Firefox and writing about:plugins on address bar.
Java 8 on Fedora 25 Firefox 50

Java 8 console output on Fedora 25:
Java 8 Console Output on Fedora 25

6. Swap between OpenJDK and Sun/Oracle Java JDK/JRE 6, 7 and 8 versions

java

alternatives --config java

There are 4 programs which provide 'java'.

  Selection    Command
-----------------------------------------------
   1           /usr/java/jdk1.6.0_26/jre/bin/java
   2           /usr/lib/jvm/jre-1.6.0-openjdk/bin/java
   3           /usr/java/jdk1.7.0_55/jre/bin/java
*+ 4           /usr/java/jdk1.8.0_191/jre/bin/java

Enter to keep the current selection[+], or type selection number: 4

Note: java with [+] is currently on use

javaws


alternatives --config javaws

There are 4 programs which provide 'javaws'.

  Selection    Command
-----------------------------------------------
*  1           /usr/java/jdk1.6.0_24/jre/bin/javaws
 + 2           /usr/java/jdk1.6.0_26/jre/bin/javaws
   3           /usr/java/jdk1.7.0_55/jre/bin/javaws
   4           /usr/java/jdk1.8.0_191/jre/bin/javaws

Enter to keep the current selection[+], or type selection number: 4

Note: java with [+] is currently on use

libjavaplugin.so (32-bit)

alternatives --config libjavaplugin.so

There are 4 programs which provide 'libjavaplugin.so'.

  Selection    Command
-----------------------------------------------
*  1           /usr/java/jdk1.6.0_24/jre/lib/i386/libnpjp2.so
 + 2           /usr/java/jdk1.6.0_26/jre/lib/i386/libnpjp2.so
   3           /usr/java/jdk1.7.0_55/jre/lib/i386/libnpjp2.so
   4           /usr/java/jdk1.8.0_191/jre/lib/i386/libnpjp2.so

Enter to keep the current selection[+], or type selection number: 4

libjavaplugin.so.x86_64 (64-bit)

alternatives --config libjavaplugin.so.x86_64

There are 4 programs which provide 'libjavaplugin.so.x86_64'.

  Selection    Command
-----------------------------------------------
*  1           /usr/java/jdk1.6.0_24/jre/lib/amd64/libnpjp2.so
 + 2           /usr/java/jdk1.6.0_26/jre/lib/amd64/libnpjp2.so
   3           /usr/java/jdk1.7.0_55/jre/lib/amd64/libnpjp2.so
   4           /usr/java/jdk1.8.0_191/jre/lib/amd64/libnpjp2.so

Enter to keep the current selection[+], or type selection number: 4

javac

alternatives --config javac

There are 4 programs which provide 'javac'.

  Selection    Command
-----------------------------------------------
*  1           /usr/java/jdk1.6.0_24/bin/javac
 + 2           /usr/java/jdk1.6.0_26/bin/javac
   3           /usr/java/jdk1.7.0_55/bin/javac
   4           /usr/java/jdk1.8.0_191/bin/javac

Enter to keep the current selection[+], or type selection number: 4

Note: java with [+] is currently on use

Post-Installation Setup

Add JAVA_HOME environment variable to /etc/profile file or $HOME/.bash_profile file

Java JDK and JRE latest version (/usr/java/latest)


## export JAVA_HOME JDK/JRE ##
export JAVA_HOME="/usr/java/latest"

Java JDK and JRE absolute version (/usr/java/jdk1.8.0_191)


## export JAVA_HOME JDK ##
export JAVA_HOME="/usr/java/jdk1.8.0_191"
 
## export JAVA_HOME JRE ##
export JAVA_HOME="/usr/java/jre1.8.0_191"

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