Radio Pulze, NUS’ campus intranet radio station, is powered by a Mac Hub set up by the Centre for Instructional Technology (CIT), with Xserve G5s, RAIDs, and other drool-worthy Apple gear. How’s that for some cool use of technology!
Thanks to Mr Victor Pang from CIT who sent this in!
This is especially relevant for SoC students who do a lot of programming in Java, and are required to use Java 1.5…
Warning: The following steps require a trip into the Terminal! Lines starting with $ refer to commands that you have to type.
Firstly, check which version of Java you’re currently using:
$ java -version
You will see something like this:
java version "1.4.2_09"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_09-232)
Java HotSpot(TM) Client VM (build 1.4.2-54, mixed mode)
If it says 1.5.0, well and good. If like the above it says 1.4.2, you’ll need to do more work…
$ cd /System/Library/Frameworks/JavaVM.framework/Versions
$ sudo mv CurrentJDK CurrentJDK.old
$ sudo ln -s 1.5 CurrentJDK
(note that sudo will require you to type in your password.)
Do an ls -l and if all went well, you should see CurrentJDK pointing to 1.5:
$ ls -l
total 40
lrwxr-xr-x 1 root wheel 5 Nov 16 11:02 1.3 -> 1.3.1
...
drwxr-xr-x 6 root wheel 204 Mar 14 11:00 A
lrwxr-xr-x 1 root wheel 1 Mar 27 16:45 Current -> A
lrwxr-xr-x 1 root wheel 3 Mar 27 16:45 CurrentJDK -> 1.5
lrwxr-xr-x 1 root wheel 5 Sep 14 2005 CurrentJDK.old -> 1.4.2
Finally, check your Java version again:
$ java -version
java version "1.5.0_05"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_05-83)
Java HotSpot(TM) Client VM (build 1.5.0_05-48, mixed mode, sharing)
Voila!
Here are a couple of links you can check for more information:
Using Java 1.5 on Mac OS X Tiger
How To Use Java 1.5 As Your Default Java In Tiger
I can’t believe I hadn’t already put this up, but here’s a great guide to setting up your Mac for printing to SoC printers:
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