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Old 12-05-2003, 07:21 AM   #1
LQ Newbie
Registered: May 2003
Posts: 20

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Smile Java on linux how to

I am looking for java for linux. I am using redhat 9. I went to the java.sun website to download but i was a little confused. Does anybody know which version to download and how to install it? Thanx! Another question: What is the difference between .rpm and scr.rpm files? How do .src.rpm get installed? As you can see I am new one!..
Old 12-05-2003, 07:24 AM   #2
Registered: Sep 2003
Location: Greece
Distribution: RedHat,Mandrake
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Just get rpm package as src.rpms are source code for compiling and building the package.

I do believe the latest edition that you can use is 1.4.2_02
Old 12-05-2003, 07:30 AM   #3
Registered: Aug 2003
Location: Dunedin NZ
Distribution: Mint 13 Cinnamon
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Go to this page then to the section titled Download J2SE v 1.4.2_02 and download the RPM self-extracting file and then follow these instructions. That should do it

Old 12-05-2003, 08:01 AM   #4
Registered: Oct 2003
Location: Cornwall, UK
Distribution: Fedora Core 4
Posts: 268

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can you buy this software on CD?
Old 12-05-2003, 08:43 AM   #5
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Registered: Sep 2003
Location: Sweden
Distribution: Debian
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(Ripped from my post on a couple of months ago)

Sun does not use an open license for Java so it is not included with the official Debian archives, so you can't apt-get install with a stock /etc/sources.list file.

However, the Blackdown project ( provides Java packages for Debian (and many others). These are not very up to date (usually) so I just download the Java SDK (not the JRE!) from Sun and install it.

Here's how you do it:

1. Download the "Linux self-extracting file" package from

2. Create a directory for Java related stuff under /usr/local:
$ cd /usr/local
$ su (enter password for root, note that the prompt changes when you're root)
# mkdir java
# cd java

3. Then you need to run the file. With this file you can do it like this:
# sh j2sdk-1_4_2_01-linux-i586.bin
....or like this:
# chmod +x j2sdk-1_4_2_01-linux-i586.bin (this makes the file executable)
# /home/hw/downloads/j2sdk-1_4_2_01-linux-i586.bin (execute it - run this from the /usr/local/java directory)

4. Now it's installed. Still, the java and javac commands won't work from the command line because the /bin subdirectory from the SDK isn't in the path. We need to add them somehow. There are many different ways of doing this but this is how I usually do it:
Edit /etc/profile (as root) with your favourite text editor. There should be a line that specifies directories that contain executables and should be added to the PATH environment variable. Something like this:
The directories are separated by colons (":"). Add a colon at the end of the line (but before the closing quote) and add the Java bin directory. If you followed my outline above it should be /usr/local/java/j2sdk1.4.2/bin/.
Now the line looks like this:
Save the file!

Either log out and log in again or do a "source /etc/profile" to let the changes take effect. Type "javac" at the shell prompt and you should see the exact same thing as you see on Windows!

Håkan (a.k.a. hw, a.k.a. hw-tph, etc)


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