Install and configure Java in linux

1. Change the directory by running the cmd “cd /usr/java

2. Change the user as root by running the cmd “su – root

3. Chagne the permission of the downloaded JRE file as “chmod a+x jre-6u<version>-linux-i586-rpm.bin"

4. Run the file as “./jre1.6.0_16-linux-i586-rpm.bin"

5. update-alternatives –install /usr/bin/java java /usr/java/jre1.6.0_16/bin/java 500

6. update-alternatives –config java

7. Type the desired jre option and enter.

8. Edit the file /etc/profile and append the line:


9. Restart the machine and verify it by typing java -version.






About Ishtiaque

I am IBM Certified Infrastructure Systems Architect, Linux Foundation Certified System Administrator, Oracle Certified Programmer in Java and Web Component Developer, and TOGAF 9 certified with over 10 years of support and development experience in IBM middleware software and Java. Additionally, have a sound grip in databases and OpenStack administration. I hold the following certifications: IBM Certified Infrastructure Systems Architect Linux Foundation Certified System Administrator (LFCS) TOGAF 9 Certified Oracle Certified Expert, Java EE6 Web Component Developer Oracle Certified Professional – Java 6 Programmer ITIL v3 Foundation Certified IBM Certified Solution Architect – Cloud Computing Infrastructure V1 IBM Certified System Administrator – WebSphere Portal V8, V7, V6.1, V6 IBM Certified System Administrator – WebSphere Application Server V7, V6.1 IBM Certified System Administrator – AIX V7 IBM Certified System Administrator – WebSphere MQ V7 IBM Certified Deployment Professional – Business Process Manager Advanced V7.5 IBM Certified Solution Advisor – Cloud Computing Architecture V3 IBM Certified Solution Developer – WebSphere Portal V5.1
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