From: lala ksakja <hemtirik@...>
Date: 2005-12-07T16:08:06+09:00
Subject: snmp with s2nmp or rubyonrails

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Hi all,
 
 I'm using Ruby about 3-4 mounts. Now, i want to make a project about network devices with SNMP.
 
 But, until this time; i haven't used rubyonrails yet. 
 
 Yesterday (i hope) i've installed rubyonrails. And i made some steps like that:
 
 # rails /home/student/new_directory
 
 and i copy a script in it like:
 
 ------------------------------
 
 #!/usr/bin/ruby
 require 'snmp'
 
 ifTable_columns =
     ["ifIndex", "ifDescr", "ifInOctets", "ifOutOctets"]
     SNMP::Manager.open(:Host => 'localhost') do |manager|
       manager.walk(ifTable_columns) do |row|
           row.each { |vb| print "\t#{vb.value}" }
               puts
                 end
                 end
 
 -----------------------------
 
 
 But it tells me;
 `require': no such file to load -- snmp (LoadError)
 
 I tried to fix this but i couldn't do anything.
 
 So i gave up to do it with rubyonrails; and installed s2nmp (http://members.at.infoseek.co.jp/m6809/ex_get.html).
 
 This time; i tried to run this script like: #ruby example.rb 10.0.0.2
 (i couldn't find an ip address to make excercises so i tried to use my adsl router: 10.0.0.2)
 
 
 ------------------------------
 # Usage: ruby getsysdsc.rb
 #
 #
 require 'socket'
 require 's2nmp'
 
 host=ARGV.shift
 
 s=SNMP.new(host)
 sts=s.get("public",["1.3.6.1.2.1.1.1.0"])
 if sts then
   p s.vars
   else
     print "TIMEOUT."
     end
 
 
 ------------------------------
 
 
 It tells me:
 -------------------
 /usr/lib/ruby/1.8/s2nmp.rb:267:in `recv': Connection refused - recvfrom(2) (Errno::ECONNREFUSED)
         from /usr/lib/ruby/1.8/s2nmp.rb:267:in `get'
         from example.rb:10
 ----------------------
 
 
 Can you give me any ideas or advices? Plus; i haven't decide to make it with s2nmp or rubyonrails.
 
 Best Regards,
 
 Esravan Rolda.
 

		
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