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Browse to /etc/init.d/ and copy an existing script (say snmpMA.sh) to ps-universal.sh. That init script would will be responsible for starting up a single instance of the daemon that will handle all the services. Open the script and modify the TOOL_EXE to be something like:

...

Then go through and remove duplicate entries at the top-level, e.g. you'll have "disable_echo 0" in there repeatedly. Note: this does not apply to anything inside an <endpoint> block. Also, remove the extraneous <port> entries so that all the endpoint elements are under a single port entry. Modify the <port> tag so that it now reads <port 8075> or whatever port number you may want to use. Also change ls_instance port to the port number you are using (8075 in this case). Since this can be confusing, I am attaching a working sample for combined.conf.

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/etc/init.d/ps-universal.sh start

Step 4. Make changes stick after reboot.

Making changes stick after reboot is a bit tricky. Not only you want to start services but you shall also be able to stop the startup of services on other ports. The default behavior of services returns on each reboot since the Knoppix disk reloads part of the scripts and data. Thus we have to disable such behavior.

Since these scripts (PingER.sh, snmpMA.sh, etc) use conf files on reboot and Knoppix disk replaces these conf files, we just have to make sure we replace these conf files once more after the disk does. The hack is to copy pre-edited conf files into the "/usr/local/etc/perfSONAR" so that when services try to start, they simply can't. And these pre-edited conf files shall all have the same single port number as you want (8075 in this case).

So first create a file "knoppix.local.sh" if already not created in "/mnt/store" and add the following lines. The script is also attached knoppix.local.sh

#!/bin/bash

# symbolic link to perfSONAR universal script
ln -s /etc/init.d/ps-universal.sh /etc/rc3.d/S18perfsonar.sh
ln -s /etc/init.d/mysql /etc/rc3.d/S17mysq.sh

# copy "port 8075" conf files to /usr/local/etc/perfSONAR
# so that services deliberately fail to launch
# since we have already launched these
cp /mnt/store/ps-confs/*.conf /usr/local/etc/perfSONAR/

Now create a directory "/mnt/store/ps-confs" and copy all modified conf files (with all port and arguments as 8075 and ls_instance value 8075). Sample conf file:

..
<port 8075>
..
  ..
    ..
      ls_instance     http://localhost:8075/perfSONAR_PS/services/hLS
    ..
  ..
..
</port>
..
ls_instance     http://locahost:8075/perfSONAR_PS/services/hLS
..

To test reboot the system and try netstat or telnet to see whether this works.

Step 5. Credits.

I can't thank Aaron Brown (of Internet2) enough for continuous support and help! Thanks Aaron.