Installation of Java on the NAS under fun_plug

– August 21, 2012

Today i’ve installed java on my NAS Device (a D-Link DNS-345) what i personally see as a highlight as i can now use software that was not available to me before. Oracle provides a “Java SE Embedded”, which is suitable for NAS devices thanks to its reduced memory footprint. For the following tutorial you need to have fun_plug installed!

Download

Go to the Oracle Page and choose “ARMv5 Linux – Headless”. Now you will be redirected to a survey, where you have to enter Name, Prename, Mail, Organization and Role. Then you will receive the download-Link via E-Mail. Click on this Link and accept the license agreement.

Copy the downloaded file (in my case its name was ejre-7u6-fcs-b24-linux-arm-sflt-headless-10_aug_2012.tar.gz, but that is subject to change) to the NAS. I’ve copied it to /mnt/HD/HD_a2/, please adapt the following commands if you copy it elsewhere.

Installation

First create a directory:

mkdir -p /ffp/opt/java

Then unpack the archive from before:

cd /ffp/opt/java
tar xvzf /mnt/HD/HD_a2/ejre-7u6-fcs-b24-linux-arm-sflt-headless-10_aug_2012.tar.gz

Now create a link to the unpacked directory (“ejre1.7.0_06″):

ln -s ejre1.7.0_06 jre

Now put it permanently into the environment variables:

echo "export PATH=/ffp/opt/java/jre/bin:\$PATH" >> /ffp/etc/profile.d/java.sh
chmod a+x /ffp/etc/profile.d/java.sh

Logout and Login into the NAS.

Installation-test

Check if it works:

java -version

This should display something like this:

java version "1.7.0_06"
Java(TM) SE Embedded Runtime Environment (build 1.7.0_06-b24, headless)
Java HotSpot(TM) Embedded Client VM (build 23.2-b09, mixed mode)

Tags: Installation, Java, Tutorial

About Uli

Uli bought his first CH3SNAS in May 2007. Now he owns several NAS-Devices for the backup and storage of media data.Feel free to visit his Homepage: http://wolf-u.li (German) Did his posts help you? Please consider buying him a coffee (or two)!

25 Comments

Reply

Mr.South

2. September 2012 at 11:57

I’ve tried running logstash (http://www.logstash.net/) but CPU seems hogged at 99%
Tried both 1.6 and 1.7
What experience you have with running other kind of software?
- Reply
  
  Uli
  
  3. September 2012 at 15:03
  
  Other software runs fine Maybe you should test with other software?
Reply

Johannes

3. September 2012 at 14:47

Bei mir klappt die Installation bis zum Punkt java -version.
Da erhalte ich stets die Fehlermeldung: no such file or directory

Bitte um Hilfe.
- Reply
  
  Uli
  
  3. September 2012 at 15:03
  
  Did you try to logout and login?
  
  Best Regards,
  Uli
  - Reply
    
    Nils
    
    17. January 2013 at 23:36
    
    Same here. I tried to install java on my DNS-325…
    login as: root
    root@192.168.2.186‘s password:
    root@DNS-325:~# java -version
    -sh: java: command not found
Reply

Johannes

3. September 2012 at 16:17

Using username “root”.
root@192.168.123.92‘s password:
Last login: Mon Sep 3 13:02:29 2012 from 192.168.123.100
root@DNS-323:~# java -version
-sh: /ffp/opt/java/jre/bin/java: No such file or directory
root@DNS-323:~#

Das habe ich nach einem neuerlichen Login eingegeben. Wenn ich mit cd in das Java-Verzeichnis gehe und Java direkt starte, kommt interessanterweise auch dieselbe Fehlermeldung.

Übrigens – folgende Datei habe ich runtergeladen und installiert:
ejre-7u6-fcs-b24-linux-arm-sflt-headless-10_aug_2012.tar.gz
- Reply
  
  Uwe
  
  15. September 2012 at 11:17
  
  Hi, ich habe das gleiche Problem, wie Johannes. Trotz neuerlichem Login kein Erfolg: No such file or directory. Gibt es da einen Kniff?
Reply

Stefan

20. November 2012 at 23:31

Thank you very much for this manual.

Now I can use Subsonic (standalone) on my ZyXEL NSA325.
- Reply
  
  raj
  
  6. April 2013 at 16:16
  
  Stefan can you tell me how to use subsonic on zyxelnsa
  thanks
Reply

Chris

3. January 2013 at 0:39

Thanks for this and your other tutorials they are a great resource (though finding issues using PHP on 0.7 which im currently trying to correct (going to try and compile 5.4.10))
Reply

João

10. January 2013 at 10:29

Anyone accomplish to install Java on the DNS-323 ?

Thanks
Reply

Ivan

27. January 2013 at 19:56

Hello, anyone can help me installing Serviio on s DNS-320? Thanks
Reply

Francis

7. February 2013 at 20:40

when i put this in
cd /ffp/opt/java
tar xfvz /mnt/HD/HD_a2/ejre-7u6-fcs-b24-linux-arm-sflt-headless-10_aug_2012.tar.gz

i get this
tar: old option ‘f’ requires an argument.
try ‘tar –help’ or ‘tar –usage’ for more information

can someone help please i am a novice noob
- Reply
  
  wilco
  
  11. February 2013 at 20:08
  
  use tar xvzf NOT xfvz. The last character must be f because hereafter you specify the archive filename
  - Reply
    
    Francis
    
    11. February 2013 at 20:12
    
    thanks wilco
Reply

Owen

12. April 2013 at 0:27

Where should I copy the java tar.gz file in my nsa?
How do I know what to type for the directory (instead of ‘/mnt/HD/HD_a2/’) of the tar.gz file?

(I use NSA 310)
Reply

M

15. April 2013 at 18:24

I had a pro blem with FFP 0.7. I need to used this link commnand:
ln -s /ffp/opt/java/ejre1.7.0_10 /ffp/opt/java/jre
Reply

Mr. Reed

27. April 2013 at 7:47

For those people of you, who just copied (like i did ) :
When creating the link you have to use the correct version number…since this manual uses “ln -s ejre1.7.0_06 jre” and you might have downloaded a newer version (like i did and i did not adhere that at first), you have to use “ln -s ejre1.7.0_21 jre”, or whatever version you downloaded. That worked for me!

Cheers
Reply

stepheng

6. May 2013 at 22:34

Hi,

I have down loaded and unzipped the latest version of Java (jre1.7.0_21) on my DNS323 as per the instructions. I created a link to the ejre1.7.0_21 directory. ftp using ssh with filezilla shows the directories are there along with the “jre” link pointing to the ejre1.7.0_21 folder.

However:

root@DNS-STEPHEN:~# java
-sh: java: command not found

root@DNS-STEPHEN:~# java -version
-sh: java: command not found

Any ideas what’s wrong ?.

Thanks
- Reply
  
  Uli
  
  7. May 2013 at 9:35
  
  Did you logout and login after the setting of the environment parameters?
  
  Best Regards,
  Uli
  - Reply
    
    stepheng
    
    7. May 2013 at 13:58
    
    Hello Uli,
    
    Yes I logged out and loginm agian. I also tried restarting the NAS – same result.
    
    This morning I deleted the folder ejre1.7.0_21 using rm -r.
    
    I then repeated the installation procedure. All the files were unzipped without errors, and all the commands executed without errors.
    
    To check the symbolic “jre” link is working I ran the dir commands;
    
    root@DNS-STEPHEN:/ffp/opt/java/jre# dir
    COPYRIGHT README THIRDPARTYLICENSEREADME.txt bin lib release
    
    root@DNS-STEPHEN:/ffp/opt/java/ejre1.7.0_21# dir
    COPYRIGHT README THIRDPARTYLICENSEREADME.txt bin lib release
    
    However;
    root@DNS-STEPHEN:~# java -version
    -sh: /ffp/opt/java/jre/bin/java: No such file or directory
    
    It seems “java” is not recognised.
    
    java.sh in the /ffp/opt/java/jre/bin/ directory has 755 permissions
    
    Any ideas what might be wrong ?, how do I check if the $path was correctly updated with in the environment variables ?.
    
    Thanks
    - Reply
      
      Uli
      
      8. May 2013 at 20:41
      
      Hi stepheng,
      
      i think there is something else wrong.
      
      java is calling something which is not there, because it finds the correct java, but this is not executed.
      
      Can you post a
      
      ls -al /ffp/opt/java/jre/bin/
      
      Thanks
      
      Best Regards,
      Uli
      - stepheng
        
        9. May 2013 at 6:01
        
        Hi Uli,
        
        root@DNS-STEPHEN:~# ls -al /ffp/opt/java/jre/bin/ total 16 drwxrwxr-x 2 10 143 4096 Apr 4 12:38 . drwxrwxr-x 4 10 143 4096 Apr 4 16:07 .. -rwxr-xr-x 1 10 143 3368 Apr 4 12:38 java -rwxr-xr-x 1 10 143 3468 Apr 4 12:38 keytool
    - Reply
      
      Uli
      
      9. May 2013 at 11:37
      
      What happens if you execute:
      
      /ffp/opt/java/jre/bin/java
      
      Best Regards,
      Uli
      - stepheng
        
        9. May 2013 at 16:25
        
        I presume you mean just copy the command as you typed (i.e. no sh before or start afterwards ?).
        
        root@DNS-STEPHEN:/ffp/opt/twonky# /ffp/opt/java/jre/bin/java
        -sh: /ffp/opt/java/jre/bin/java: No such file or directory
        
        It seems there is a permissions problem ?.
        
        Thanks again

Installation of Java on the NAS under fun_plug

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Installation

Installation-test

About Uli

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