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How to Install JAVA 7 (JDK 7u79) on CentOS/RHEL 7/6/5 and Fedora

Written by Rahul, Updated on October 16, 2017
Warning – Java 7 is officially deprecated by Oracle team. It is no more available for download on the public network. The Oracle team recommends upgrading to Java 8 or Java 9. You can follow below tutorials to install accordingly.

  • JAVA 8 – Install on CentOS, Red Hat, Fedora
  • JAVA 9 – Install on CentOS, Red Hat, Fedora

During installation of Java using rpm files, I faced issues many times. After that, I found a better way to install java from Sun site. Using below steps I have installed java successfully many times without facing any issues. We can also install multiple version of java easily if required. Oracle has also released Java 8. To install it read article

Use following step by step instructions to install or update Java. I recommend reading carefully instruction for downloading Java from Linux command line.

Downloading Latest Java Archive

Java latest archive is available on its official site. We recommend to download latest version of Java from Oracle official website. After completing download also extract archive with given commands.

For 64 Bit:-

# cd /opt/
# wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/7u79-b15/jdk-7u79-linux-x64.tar.gz"

# tar xzf jdk-7u79-linux-x64.tar.gz

For 32 Bit:-

# cd /opt/
# wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/7u79-b15/jdk-7u79-linux-i586.tar.gz"

# tar xzf jdk-7u79-linux-i586.tar.gz

Note: If Above wget command doesn’t not work for you watch this example video to download java source archive using terminal.

Use archive file as per your system configuration. For this example we are using CentOS 7.0 (64 bit) system.

Install Java with Alternatives

After extracting Java archive file, we just need to set up to use newer version of Java using alternatives. Use the following commands to do it.

# cd /opt/jdk1.7.0_79/
# alternatives --install /usr/bin/java java /opt/jdk1.7.0_79/bin/java 2
# alternatives --config java
There are 3 programs which provide 'java'.

  Selection    Command
-----------------------------------------------
*  1           /opt/jdk1.7.0_60/bin/java
 + 2           /opt/jdk1.7.0_72/bin/java
   3           /opt/jdk1.7.0_79/bin/java

Enter to keep the current selection[+], or type selection number: 3 [Press Enter]

Now you may also required to set up javac and jar commands path using alternatives command.

# alternatives --install /usr/bin/jar jar /opt/jdk1.7.0_79/bin/jar 2
# alternatives --install /usr/bin/javac javac /opt/jdk1.7.0_79/bin/javac 2
# alternatives --set jar /opt/jdk1.7.0_79/bin/jar
# alternatives --set javac /opt/jdk1.7.0_79/bin/javac
Check Installed Java Version

Use following command to check which version of Java is currently being used by system.

# java -version

java version "1.7.0_79"
Java(TM) SE Runtime Environment (build 1.7.0_79-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.79-b02, mixed mode)

Configuring Environment Variables

Most of Java based application’s uses environment variables to work. Use following commands to set up these variable properly. It’s also good to add following commands to any start-up script like ~/.bashrc or ~/.bash_profile.

  • Setup JAVA_HOME Variable
  • # export JAVA_HOME=/opt/jdk1.7.0_79
    
  • Setup JRE_HOME Variable
  • # export JRE_HOME=/opt/jdk1.7.0_79/jre
    
  • Setup PATH Variable
  • # export PATH=$PATH:/opt/jdk1.7.0_79/bin:/opt/jdk1.7.0_79/jre/bin
    

I hope above steps will help you for installing Java on your Linux system. You can follow above steps to install multiple version of Java as same time but you can use only one version at a time.

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Rahul
Rahul
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I, Rahul Kumar am the founder and chief editor of TecAdmin.net. I am a Red Hat Certified Engineer (RHCE) and working as an IT professional since 2009..

86 Comments

  1. Avatar MD Reply
    January 12, 2018 at 1:43 am

    Thank you! What I really need now.
    Just wondering if you have a bash script for this too? 🙂

  2. Avatar Ayesha Akram Reply
    September 7, 2017 at 6:47 am

    i need java archieve for downloading at my PC . can u please tell where to agree the license statments?

  3. Avatar Isaias D Rocha Reply
    July 28, 2017 at 8:32 pm

    Thanks a lot, Muito Obrigado

  4. Avatar dan Reply
    May 7, 2017 at 5:17 am

    centos why using tar.gz ? not rpm ?

  5. Avatar Isaias Reply
    April 7, 2017 at 9:15 pm

    Very well. thanks

  6. Avatar sudeep Reply
    August 4, 2016 at 6:53 am

    Very GOOD!!
    Thanks boss.

  7. Avatar Andrea Reply
    April 8, 2016 at 11:55 am

    Useful! Thanks!

  8. Avatar jsi Reply
    March 31, 2016 at 2:25 pm

    thank you

  9. Avatar Madhusudan H J Reply
    February 12, 2016 at 6:43 am

    Perfect example.
    I used CentOS 6.5 final and worked perfectly without any problems.

    To add path permanently on CentOS 6.5 one can follow
    http://serverfault.com/questions/102932/adding-a-directory-to-path-in-centos

  10. Avatar Avi Reply
    February 11, 2016 at 10:40 am

    THANKS!!!

  11. Avatar Geronimo Reply
    January 29, 2016 at 2:43 am

    Thank you so much, you made my day

  12. Avatar Toni Reply
    January 11, 2016 at 12:37 am

    Very useful for me.
    Thank you.

  13. Avatar Anand Reply
    January 6, 2016 at 11:02 am

    Thanks Rahul, it was extremely helpful to look at various options for installations.

  14. Avatar RicoD Reply
    December 31, 2015 at 5:54 pm

    Thanks!

    Followed step by step, worked flawlessly!

  15. Avatar Henry Reply
    July 6, 2015 at 2:49 am

    Many thanks

  16. Avatar Anand Reply
    July 3, 2015 at 10:46 am

    Good post !!

    Thanks , It helped me today .

  17. Avatar Manish Reply
    June 23, 2015 at 1:08 pm

    Brilliant tutorial!

  18. Avatar shashank Reply
    June 2, 2015 at 8:05 am

    Excellent tutorial …. works perfectly………..

  19. Avatar chetan Reply
    May 13, 2015 at 11:37 am

    bash: /usr/bin/java: cannot execute binary file

    Please help me out..

  20. Avatar bhushan Reply
    April 28, 2015 at 4:50 pm

    very neatly written tutorial….probably you can add the java path ,bins to profile file so that u get it working for other user/evrey time u login
    ex:
    [email protected]:~# tail -3 /etc/profile
    export JAVA_HOME=/opt/jdk1.7.0_79
    export JRE_HOME=/opt/jdk1.7.0_79/jre
    export PATH=$PATH:/opt/jdk1.7.0_79/bin:/opt/jdk1.7.0_79/jre/bin
    [email protected]:~#

    thanks for posting this…It helped me. 🙂

    • Avatar Vijay Reply
      May 28, 2015 at 12:46 pm

      How to update my java version from 31 to 45?

      • Rahul Rahul Reply
        June 1, 2015 at 4:22 pm

        Hi Vijay,

        Do you not need specific java version 7u45 ?

        • Avatar Vijay Reply
          June 25, 2015 at 7:56 am

          Dear Rahul,

          i just want to know update my java version, can u pls help me out from that?

          • Rahul Rahul Reply
            June 26, 2015 at 9:37 am

            Hi Vijay,

            You can use this article to update java version without any issue. Let me know in case any issue occurs.

  21. Avatar TiagoF Reply
    April 20, 2015 at 3:37 pm

    thx a lot! great tut 🙂

  22. Avatar Abhishek Reply
    March 26, 2015 at 5:39 am

    Thanks. Your tutorial helped.

  23. Avatar kamil Reply
    February 4, 2015 at 4:47 pm

    I had old java6 installed:

    # java -version
    java version “1.6.0_41”
    Java(TM) SE Runtime Environment (build 1.6.0_41-b02)
    Java HotSpot(TM) 64-Bit Server VM (build 20.14-b01, mixed mode)

    so I’ve installed java7 as mentioned above, and:
    [[email protected] ~]# alternatives –config java

    There are 2 programs which provide ‘java’.

    Selection Command
    ———————————————–
    * 1 /usr/java/default/java
    + 2 /opt/jdk1.7.0_75/bin/java

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

    however java -version still claims (even after reboot):
    # java -version
    java version “1.6.0_41”
    Java(TM) SE Runtime Environment (build 1.6.0_41-b02)
    Java HotSpot(TM) 64-Bit Server VM (build 20.14-b01, mixed mode)

    what is wrong?

  24. Avatar Micael Reply
    January 16, 2015 at 7:12 pm

    Hello !!!

    New on Redhat….

    My problem is that I can’t get this command “java -version” to work after installation according to description above…

    I got a nice download done, but install failed somewhere here at the end of commands…:

    I have this release of Redhat:

    [[email protected] etc]# cat redhat-release
    Red Hat Enterprise Linux Server release 6.6 (Santiago)

    or maybe even bettwer like this

    [[email protected] /]# yum version
    Loaded plugins: product-id, refresh-packagekit, subscription-manager
    Installed: 6Server/ppc64 1226:3a2b2ccb8c91fdd603df3f3ea4aedb6a7a0f8a91
    Group-Installed: yum 15:22a4df6bb11e577f2c2c00cdd8113bfaac3fc27b
    version

    [[email protected] jdk1.7.0_72]# alternatives –config java
    There is 1 program that provides ‘java’.
    Selection Command
    ———————————————–
    *+ 1 /opt/jdk1.7.0_72/bin/java
    Enter to keep the current selection[+], or type selection number: 1

    [[email protected] jdk1.7.0_72]# pwd
    /opt/jdk1.7.0_72

    [[email protected] jdk1.7.0_72]# alternatives –install /usr/bin/jar jar /opt/jdk1.7.0_72/bin/jar 2

    [[email protected] jdk1.7.0_72]# alternatives –install /usr/bin/javac javac /opt/jdk1.7.0_72/bin/javac 2

    [[email protected] jdk1.7.0_72]# alternatives –set jar /opt/jdk1.7.0_72/bin/jar

    [[email protected] jdk1.7.0_72]# alternatives –set javac /opt/jdk1.7.0_72/bin/javac

    [[email protected] jdk1.7.0_72]# java -version
    -bash: /usr/bin/java: cannot execute binary file

    [[email protected] jdk1.7.0_72]# export JAVA_HOME=/opt/jdk1.7.0_72

    [[email protected] jdk1.7.0_72]# export JRE_HOME=/opt/jdk1.7.0_72/jre

    [[email protected] jdk1.7.0_72]# export PATH=$PATH:/opt/jdk1.7.0_72/bin:/opt/jdk1.7.0_72/jre/bin

    [[email protected] jdk1.7.0_72]# java -version
    -bash: /usr/bin/java: cannot execute binary file

    [[email protected] jdk1.7.0_72]#

    Thx in advance for help — Micael

    • Rahul Rahul Reply
      January 19, 2015 at 4:56 am

      Hi Miceal,

      Have you executed below command in step #2

      alternatives –install /usr/bin/java java /opt/jdk1.7.0_72/bin/java 2

  25. Avatar Abdoullah TARI JOUTI Reply
    January 8, 2015 at 10:43 am

    hank you =3 a lot for your sweet and forward article.

  26. Avatar Domènec Reply
    January 5, 2015 at 12:28 pm

    Hi Rahul, this is just to say I am migrating an old CentOS 4 to CentOS 6 as an occasional sysadmin (I am a software architect) and all the tips in your blog have worked great so far, thanks.

  27. Avatar Sayam Reply
    January 4, 2015 at 7:25 am

    Hii Rahul.

    Thanks for share this wonderful topic .I have downloaded java as ur instruction.but when i’m going to extract that,i’m getting some error…i.e

    [[email protected][-a opt]# cd /opt/
    [[email protected][-a opt]# ls
    jdk1.7.0_72
    jdk-7u72-linux-i586.tar.gz?AuthParam=1420296787_4405d9335989d1fc6e7df03f0d76c381
    jdk-7u72-linux-x64.tar.gz?AuthParam=1420273038_bb9a14b7dc51ed48b49522bb2b5b6680
    wget-log
    [[email protected][-a opt]# tar xzf jdk-7u72-linux-x64.tar.gz
    tar: jdk-7u72-linux-x64.tar.gz: Cannot open: No such file or directory
    tar: Error is not recoverable: exiting now
    tar: Child returned status 2
    tar: Error exit delayed from previous errors

    i’m getting these errors…plz help me Rahul…plz…

    • Rahul Rahul Reply
      January 4, 2015 at 8:37 am

      It looks downloaded file is created with name jdk-7u72-linux-x64.tar.gz?AuthParam=1420273038_bb9a14b7dc51ed48b49522bb2b5b6680. So rename file first before extracting

      # mv jdk-7u72-linux-x64.tar.gz?AuthParam=1420273038_bb9a14b7dc51ed48b49522bb2b5b6680 jdk-7u72-linux-x64.tar.gz
      # tar xzf jdk-7u72-linux-x64.tar.gz

  28. Avatar Nagarjun Reply
    December 31, 2014 at 6:37 am

    Hi,
    I am trying to install JAVA and Office in Red Hat7 which ever command if I give it comes No Such Directory File . Please help me is there any issue.

  29. Avatar fernan Reply
    December 21, 2014 at 8:25 pm

    thanks was looking for this tutorial

  30. Avatar Ambarish Reply
    December 14, 2014 at 7:21 am

    Thank you so much. This was very helpful.

  31. Avatar Suresh S Reply
    December 13, 2014 at 11:30 am

    Thankyou So much!!

  32. Avatar Tabrune Reply
    December 13, 2014 at 6:05 am

    You really helped me out with this tutorial! Thanks!

  33. Avatar yoesoff Reply
    November 4, 2014 at 7:39 am

    worderfull, easy to follow and works. thanks your article save my time

  34. Avatar Charles Reply
    October 15, 2014 at 3:56 am

    On step 2 you missed a hyphen. It should be… “tar -xzf”

    • Rahul Rahul Reply
      October 16, 2014 at 7:10 pm

      Hi Charles,

      Hyphen is not necessory here… I hope “tar xzf” will also work…
      Please try and confirm if it works for you…

  35. Avatar kushal palli Reply
    October 13, 2014 at 9:09 am

    when formate namenode it is showing following :
    java.net.UnknownHostException and when jps it only showing Namenode jobtracker secondary namenode,datanode and tasktracker is missing.
    please tell me what are the steps to resolve this issue.
    thanks in advance.

  36. Avatar Azim Reply
    October 8, 2014 at 7:50 am

    You did not mention where do we have to update the JAVA_HOME , JRE_HOME and PATH variable…

  37. Avatar Lucy Reply
    September 24, 2014 at 9:59 pm

    Thanks for the help.
    I’m getting this error:

    alternatives –set jar /opt/jdk1.7.0_67/bin/jar
    /opt/jdk1.7.0_67/bin/jar has not been configured as an alternative for jar

    The command to do the same for javac worked though.

  38. Avatar Syed Reply
    September 15, 2014 at 3:50 am

    Awesome Tutorial

  39. Avatar Pravesh K Reply
    August 24, 2014 at 11:33 am

    I am setting path of java but it is not getting executed. Kindly guide me to set path of java for hadoop installation in rhel6

  40. Avatar Nitan Reply
    August 20, 2014 at 6:09 pm

    Hello Rahul sir..

    I hope sir yor are doing well and sir i have install many things on linux with the of you webiste and but i need more help i always get so many issue during compiling MYsql 5.5 or 5.6 ,so please try to help me in same topic and if you have already worked on it , than share the URl with me , i will be thankfull to you..

  41. Avatar dhiren Reply
    August 18, 2014 at 5:47 am

    thanks for your help

  42. Avatar Steven Reply
    July 14, 2014 at 2:46 pm

    Wonderful instructions. It worked without an incident.

  43. Avatar Anup Reply
    July 5, 2014 at 1:30 am

    Thanks Rahhul
    Very nice and informative article.

    Rahul do you have any Idea about GTK package on linux. I am trying to install Java Eclipse editor on my Linux bot bit its failing to start. Installation success but unable to start . It would be very kind help if you give some pointer. below is error. I googled a lot but did not found solution.

    00:00.72 ERROR [main] org.eclipse.equinox.log.internal.ExtendedLogReaderServiceFactory safeLogged
    Application error
    org.eclipse.swt.SWTError: No more handles [gtk_init_check() failed]
    org.eclipse.swt.SWTError: No more handles [gtk_init_check() failed]
    at org.eclipse.swt.SWT.error(SWT.java:4387)
    at org.eclipse.swt.widgets.Display.createDisplay(Display.java:913)
    at org.eclipse.swt.widgets.Display.create(Display.java:899)
    at org.eclipse.swt.graphics.Device.(Device.java:156)

    Please help karo bahe , mai bahut pareshani mei hu ..

    Thanks
    Anup

  44. Avatar Rajan prasad Upadhyay Reply
    July 4, 2014 at 4:45 am

    If the system didnot find the “alternatives” command in centos(redhat), You could use “/usr/sbin/alternatives” instead of “alternatives”

  45. Avatar Abulkhair Reply
    June 20, 2014 at 7:54 am

    I am installing 32 bit jdk on centos 64 bit .
    After following yours steps when i fire command “java -version ” i got error
    bash:/usr/bin/java:/lib/id-linux.so.2: bad elf interpreter no such file or directory
    Please help, why is it so.

    • Avatar Joey Reply
      June 26, 2014 at 8:37 am

      Try this:
      yum install glibc.i686

      • Avatar Bobby Reply
        October 7, 2014 at 6:59 pm

        I yum installed half the internet and couldn’t get all my dependencies resolved. Started over with earlier VM snapshot and your one library suggestion fixed everything. Thank you.

      • Avatar Gator Reply
        November 13, 2014 at 5:10 am

        Hi,

        I have solved the liunx.so issue by using your method. Thanks alot.

  46. Avatar Srikar Reply
    June 16, 2014 at 10:13 am

    Hi Rahul

    How to upgrade tomcat 7.0.50 to 7.0.54 in Windows OS ?

  47. Avatar Viktoriia Reply
    May 22, 2014 at 9:07 pm

    Thanks, Rahul! That’s a perfect instruction. 🙂

  48. Avatar ilyass Reply
    April 28, 2014 at 11:38 am

    thank you

  49. Avatar Brian Reply
    April 22, 2014 at 4:44 pm

    If you use the RHEL Supplementary Repo, java-1.7.0-oracle* is already provided as an RPM and does all this for you (including the mess with alternatives). It is more comprehensive.

  50. Avatar Miquel72 Reply
    April 7, 2014 at 2:12 pm

    Just thank you very much for these clear instructions.

  51. Avatar Casey Wise Reply
    March 27, 2014 at 11:55 pm

    Rahul, big stacks of thanks for posting this and sharing your knowledge, worked perfectly. You get a gold star today.

  52. Avatar KD Reply
    March 6, 2014 at 11:39 am

    Thanks man!

  53. Avatar raj Reply
    February 27, 2014 at 9:44 am

    Sorry! I mixed two things in the above email… only first portion was for your reference ….I am missing something here. In UNIX environment we used .profile. What is the equivalent file in linux to set PATH?

  54. Avatar raj Reply
    February 27, 2014 at 9:36 am

    I installed all the steps, however, I am facing issue setting-up JAVA_HOME and JRE_HOME. Once I export both the home and exit, the path resets to its original states.. JAVA_HOME turns to null when I echo $JAVA_HOME or echo $JRE_HOME

    I am using su to set them up.

    Otherwise the installation instructions are superb. The only issue I found in the step is that the directory structure you mentioned is hadoop/hadoop whereas (if I am not wrong) it should have been hadoop/hadoop-1.2.1 Please let me know if I am wrong so I can rectify it.

    Thanks in advance.
    Raj

  55. Avatar Abramo Reply
    February 26, 2014 at 1:41 pm

    Very good step-by-step instructions. Worked for me perfect first time. Many thanks for sharing. Keep up the good work! Best, Abramo

  56. Avatar Saloni Reply
    February 25, 2014 at 10:51 am

    Its made very simple to understand and install. Thnx a lot Rahul

  57. Avatar Ion Reply
    February 20, 2014 at 4:30 pm

    Thanks. Simple and useful.

  58. Avatar Gonzalo Reply
    February 6, 2014 at 6:12 pm

    Thank you so much. It worked like a charm on Centos 5.9

  59. Avatar Remco Reply
    February 2, 2014 at 8:26 am

    HI, i have a clean install of centos 6.5 and i did everything only instead of JDK i installed JRE because i don’t need JDK

    when i come to the part of checkin java -version centos returned

    -bash: java: command not found

    did i miss something??

    • Avatar Remco Reply
      February 2, 2014 at 8:41 am

      Never mind, i fixed it by doing step 4 instead of step 3 and when i got the path variable set to the right bin

      it worked thanks for your tut 😀

  60. Avatar Tamilselvan Reply
    January 30, 2014 at 10:48 am

    HI Team

    i not able to configure java. but i face this error “””Error: dl failure on line 863
    Error: failed /opt/jdk1.7.0_51/jre/lib/i386/client/libjvm.so, because /opt/jdk1.7.0_51/jre/lib/i386/client/libjvm.so: cannot restore segment prot after reloc: Permission denied””” while java -version run this command.

    i am using centos 5.8

    please help me

    • Rahul Rahul Kumar Reply
      January 31, 2014 at 3:45 am

      Hi,
      Do you have SELinux enabled ?

      • Avatar Tamilselvan Reply
        January 31, 2014 at 4:15 am

        Hi Rahul,

        yes its enabled ..

        • Rahul Rahul Kumar Reply
          January 31, 2014 at 5:05 am

          Hi Tamilselvan,
          You can disable SELinux to fix this issue. If you still need keep SELinux enforcing, you need to add some security context on libjvm.so file.

          This topic may help you for this.

  61. Avatar Tomas Reply
    January 16, 2014 at 5:03 pm

    Nice article thanks for posting it.

    It should be noted that there are other commands from the JDK/JRE referenced in the alternatives directory that may cause problems if not all of the alternatives are updated. If you look at /etc/alternatives and look for all of the associated applications that are provided with java (maybe something like ls -l /etc/alternatives |grep ‘jvm|java|jre|jdk’ ) you will notice much more than just the java command.

    For example, if you followed steps 1-2 and then ran javac, javaws, javadoc, jar, keytool, appletviewer, javah, etc… you will not get those installed from the jdk tarball in /opt but rather those installed via package (if something like the java-1.6.0-openjdk-devel package is installed) .

    After step 4 you will get it but not because of the alternatives system but because of the change in the PATH variable in step 4 which is user specific unless set in /etc/profile, /etc/profile.d/, or other system wide environment. So if you have a system process that uses javac, javadoc or a command other than java I believe you will not get the version in /opt. I believe that debian based systems (mint, ubuntu, etc.) have an update-java-alternatives command used for this purpose (to update all java related commands) but I don’t know at the moment if it is available for RHEL and derivatives like CentOS.

    Just thought I would share this in case other ran into issues.

    • Avatar Leo Reply
      October 17, 2014 at 7:15 am

      Thanks Tomas, That is great help.
      I run into this because I typed java after I finished these commands:
      # cd /opt/jdk1.7.0_67/
      # alternatives –install /usr/bin/java java /opt/jdk1.7.0_67/bin/java 2
      # alternatives –config java
      and it works.
      but I can’t make it work after I finish these command:
      # alternatives –install /usr/bin/jar jar /opt/jdk1.7.0_67/bin/jar 2
      # alternatives –install /usr/bin/javac javac /opt/jdk1.7.0_67/bin/javac 2
      # alternatives –set jar /opt/jdk1.7.0_67/bin/jar
      # alternatives –set javac /opt/jdk1.7.0_67/bin/javac
      System told me “-bash: javac: command not found”.

  62. Avatar matt Reply
    January 2, 2014 at 5:01 am

    Outstanding! I read carefully, followed your directions exactly and it went smoothly on the first try! You’re amazing!

  63. Avatar Dan Brian Reply
    December 12, 2013 at 4:51 pm

    Thank you so much for this guide. This helped me a lot.

  64. Avatar yogo Reply
    December 11, 2013 at 2:38 am

    Thanks, its great post
    congratulations

  65. Avatar girish Reply
    September 30, 2013 at 8:26 am

    If i am using yum install jdk1.7.0 means ,where is the java _home path?
    how to set the java path
    if i ive which java
    i got /usr/bin/java
    i am in confusion to export java_home path..
    please help

    • Rahul Rahul Reply
      October 5, 2013 at 4:59 am

      Hi Girish,

      You can use following command to find where “bin” and other files is been installed.
      # rpm -ql jdk1.7.0

  66. Avatar CT Reply
    August 31, 2013 at 2:58 am

    Tried to do this but at Step 1, after copy/pasting the wget command, I get:

    Resolving download.oracle.com… 23.0.160.209, 23.0.160.198
    Connecting to download.oracle.com|23.0.160.209|:80… connected.
    HTTP request sent, awaiting response… 403 Forbidden
    2013-08-30 22:21:20 ERROR 403: Forbidden.

    • Rahul Rahul Reply
      August 31, 2013 at 3:23 am

      Hi CT,

      Actually you are getting issue because of old url. You can see Java download url having a parameter AuthParam, Which can be used for a shot time only. If you are using Gnome desktop, you can simply navigate to below url and download.

      http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html

      If you are using terminal, Use below video tutorial, which i always used to download java on terminal.

      http://screencast.com/t/wf9bQ0XjDPxT

      I hope it will help you.

      Thanks

      • Avatar CT Reply
        August 31, 2013 at 3:50 am

        Thanks Rahul, I figured that out and went to the website with my browser and downloaded it after accepting the license.

        But I am not a seasoned linux user (despite having used unix for a long time) and it seems I am getting stuck at every turn. My Centos (5.4) does not understand “alternatives”. Do I have to install this first?

        • Rahul Rahul Reply
          August 31, 2013 at 4:22 am

          Hi CT,

          /usr/sbin/alternatives command comes from chkconfig package. Check if you have this package in you system.

          # rpm -ql chkconfig

  67. Avatar MrGmaw Reply
    August 1, 2013 at 3:30 pm

    Great, thank you.

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