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---+ Instalação do !PingER na access.sprace.org.br

---++Description

   * Instruções de instalação do !PingER [[http://www.rnoc.gatech.edu/drupal/FocusAreas/NetworkMonitoring/PingER2][nesta]] página.
   * Necessário instalar uma biblioteca perl usando =cpan=
<pre>
perl -MCPAN -e shell
cpan> install XML::Simple
cpan> quit
</pre>
   * Para instalação no =/usr/local/share/pinger= , como =root=
<pre>
wget http://www.rnoc.gatech.edu/pinger2/software/pinger-2.0.2.tar.gz 
tar xzf pinger-2.0.2.tar.gz
cd pinger-2.0.2
./configure
make test_prereqs
make
make install
make install_cron
</pre>   
   * Software adicional instalado conforme [[http://www-iepm.slac.stanford.edu/pinger/tools/install2.html][estas]] instruções.
      * Instalação do =ping_data.pl=
         * Pré-requisito: servidor =httpd= na access : =yum install httpd= . Diretório cgi em =/var/www/cgi-bin/=
         * <pre>
cd /var/www/cgi-bin/
wget http://www.slac.stanford.edu/comp/net/mon/tool/ping_data.pl
wget http://cgi-lib.berkeley.edu//cgi-lib.pl.txt
mv cgi-lib.pl.txt cgi-lib.pl
</pre>
         * Editar as seguintes linhas:
<pre>
require "/var/www/cgi-bin/cgi-lib.pl";
my $stats_dir = "/usr/local/share/pinger/data"; 
my $sites_fn = "/usr/local/share/pinger/beacons.txt";
</pre>
         * =chmod a+x ping_data.pl cgi-lib.pl=
         * Você deve observar [[http://access.sprace.org.br/cgi-bin/ping_data.pl][esta]] página.

      *Instalação do servidor traceroute, ainda no diretório =cgi-bin=
<pre>
wget http://www.slac.stanford.edu/comp/net/traceroute/traceroute.pl
chmod a+x traceroute.pl
</pre>
         * Você deve observar [[http://access.sprace.org.br/cgi-bin/traceroute.pl][esta]] página.



   * Instalar um executável para limpar os dados periódicamente, rodando todo dia 28 do mês à meia-noite
<pre>
cd /usr/local/share/pinger/
wget http://www.slac.stanford.edu/comp/net/mon/tool/pinger_trimmer.pl
chmod a+x pinger_trimmer.pl
 crontab -e
0 0 28 * * /usr/local/share/pinger/pinger_trimmer.pl 
</pre>

Um alias foi feito no nosso servidor DNS (osg-ce) p/ a access no DNS com o nome pinger.sprace.org.br.
<pre>
vim /var/named/chroot/var/named/sprace.org.br.zone
pinger  IN      CNAME           access
</pre>
lembrar de atualizar o serial e restartar o =named=

---++Updates

---+++Rogério em 04/09/2010

   * Instruções da instalação antiga, no servidor spruna (fevereiro/2006)
<pre>
Monitoring server: spruna - Intel server with SL release 4.1 (Beryllium)
HTTP server: Apache 2.0.52 (http://spruna.if.usp.br)
Perl interpreter: 5.8.5
Server detailed information (list of environment variables):
http://spruna.if.usp.br/cgi-bin/env.pl

Installation instructions at:
http://pinger.fnal.gov/frame_ping_instruct.html

(1) timeping.pl (1.1.18) taken from
   http://pinger.fnal.gov/timeping.pl,
   installed at /usr/local/netmon/
   and made executable with chmod command.

(2) Variables in timepng.pl were set to:
   $ping_data_dir --> /usr/local/netmon
   $ping --> /bin/ping
   $ping_cmd --> set for AIX, IRIX, Linux, etc

(3) File ping_dest.txt created at
   /usr/local/netmon/ping_dest.txt

(4) Two entries to crontab were added
   15,45 * * * * /usr/local/netmon/timeping.pl \
     /usr/local/netmon/ping_dest.txt 1000

   16,46 * * * * /usr/local/netmon/timeping.pl \
     /usr/local/netmon/ping_dest.txt 100

   (which one should we use? or both?)

   Answer (Aziz Allaudin Rehmatullah, SLAC):
   > Just eliminate the 100 and 1000 and use one crontab.
   > /usr/local/netmon/ping_dest.txt

(5) ping_data.pl (1.1.4) taken from
   http://pinger.fnal.gov/ping_data.pl
   and put into our server's CGI directory
   /var/www/cgi-bin.
   Then variables in ping_data were set to
   $stats_dir --> /usr/local/netmon/  (not sure about that!)
   $sites_fn --> /usr/local/netmon/ping_dest.txt

   (where should $stats_dir be pointed to?)

   Answer (Aziz Allaudin Rehmatullah, SLAC): 
   > This should point to where the PingER stores the data (where the data
   > directory is located). For instance if the raw data (file names like
   > ping-2005-08.txt are located in /usr/local/netmon/pinger/data , it
   > would be stats_dir --> /usr/local/netmon/pinger

(6) cgi-lib.pl (1.6) taken from
   http://pinger.fnal.gov/cgi_lib.pl
   and put in /var/www/cgi-lib/ directory.

Extra instructions (Aziz Allaudin Rehmatullah, SLAC - February 2006):

Once it s done and the data files are being generated, following steps
should be performed for us to properly download your pinger
information daily. You do not need to set any firewall permissions.
Installed in your cgi-bin directory on your PingER machine
(spruna.if.usp.br) should be 2 scripts, ping_data.pl and cgi_lib.pl.
If you do not have these scripts, follow the steps below to get them:

wget  http://pinger.fnal.gov/cgi_lib.pl
wget  http://pinger.fnal.gov/ping_data.pl

http://pinger.fnal.gov/ping_data.pl -O ping_data.pl

(note: you may have to adjust the shebang line according to how your
machine is configured.)

Open cgi-bin/ping_data.pl:
(1) edit the line: require "/afs/slac/g/www/cgi-lib/cgi-lib.pl";
to read: require "[cgi-path]/cgi-lib.pl"; where [cgi-path]
is the fully qualified path to your cgi-bin dir.

(2) edit the line: $stats_dir = "/nfs/oceanus/u1/pinger/wanmon/data";
to read: $stats_dir = "[dir]/data"; where [dir] is the
directory where your pinger data is stored.

(3) edit the line: $sites_fn = "/afs/slac/www/comp/net/mon/offsite.nodes";
to read: $sites_fn = "[dir]/offsite.nodes";  where [dir] is
the directory where your offsite.nodes file is located. Often at the directory
you detarred this package within.

Once this is done and you've tested that you can see ping_data.pl from
a web-browser, send us the URL.  We have a script that runs nightly to
this particular URL (with the proper cgi variables set) to
automatically query your pinger data for the last day's collection of
data and stores it in a repository here at SLAC used to present the data at:

http://www-iepm.slac.stanford.edu/cgi-wrap/pingtable.pl
</pre>

---+++Rogério em 05/09/2010

   * Ativação do alias permanente 'pinger.sprace.org.br' no DNS, apontando para o servidor que estiver rodando os scripts do pinger.


-- Main.MarcoAndreFerreiraDias - 02 Oct 2009
Topic revision: r5 - 2010-09-05 - RogerioIope
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