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Wednesday, January 4. 2006
How to use Orca on linux servers.
How to use ORCA on linux server ( using procalator)
Below are step by step guide to use orca on linux servers, please bear in mind that this is for my personal reference only, please use it at your own risk. I written this guide since i haven't find it anywhere on google/internet.
What you need to have (read the procalator README for details) :
1. procalator (included in your source distribution of orca (mine is 0.27): contrib/procalator)
2. a running orca server (not covered here).
3. perl 5 installed on all target servers
installation:
Client site..
You can use procalator without compiling the source distribution, provided that you have a running orca server as no. 2 above.
1. unpack the source distribution;
# tar xvfz orca-0.27.tar.gz
2. go to orca-0.27/contrib/procalator
# cd orca-0.27/contrib/
3. copy all files in orca-0.27/contrib/procalator to your targeted machine.
# tar cvf ./procalator.tar ./procalator
# scp procalator.tar root@polaris:/tmp/temp
(can use other means to copy your files to other machine ie ftp,sftp etc..)
4. in you targed machine installed procalator (read the README for details)
** you might need to change the permission for procalator, install.sh and procallator.pl.in to 755.
** copy procallator.pl.in to procallator.pl
5. run install.sh
#./install.sh
6. that is you're done!! check that your procallator is running.
#ps -eafd |grep procallator
root 7613 1 0 13:07 pts/0 00:00:00 /bin/sh /etc/init.d/procallator start
root 7614 7613 0 13:07 pts/0 00:00:00 initlog -q -c /usr/local/bin/procallator.pl
root 7615 7614 0 13:07 pts/0 00:00:00 /usr/bin/perl -w /usr/local/bin/procallator.pl
7. verify that the data is written to /usr/local/var/orca/$hostname .
8. if you read the README, there is a script to upload those data to the ORCA server, you can use rsync, ftp etc. put it in your $prefix/var/orca/orcallator/$hosname in the server. use crontab to update the data frequently.
Server site...
There is nothing much to do, all you need is to run orca with procalator.cfg.
You might need to edit a few parameters, ie base_dir, html_dir and find_files to the correct path that suit your installation
# /path/to/orca /path/to/procallator.cfg
** you can use -v and -l if you need to log the output..
# /path/to/orca -v -l /var/log/orca.log procallator.cfg
i guess that is all you need to do to use orca on you linux servers. good luck trying.. 
.::Polaris::.
Jan-04-2006 : 13:54
Me...
