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    <p>When trying the Win32Utils one really need to studie the doc and look over the net before finding some simple working example. This seems to work today 2008-10-02:</p> <p>gem install win32-service</p> <p>Update 2012-11-20: According to <a href="https://stackoverflow.com/users/1374569/paul">https://stackoverflow.com/users/1374569/paul</a> the register_bar.rb should now be</p> <pre><code>Service.create( :service_name =&gt; 'some_service', :host =&gt; nil, :service_type =&gt; Service::WIN32_OWN_PROCESS, :description =&gt; 'A custom service I wrote just for fun', :start_type =&gt; Service::AUTO_START, :error_control =&gt; Service::ERROR_NORMAL, :binary_path_name =&gt; 'c:\usr\ruby\bin\rubyw.exe -C c:\tmp\ bar.rb', :load_order_group =&gt; 'Network', :dependencies =&gt; ['W32Time','Schedule'], :display_name =&gt; 'This is some service' ) </code></pre> <hr> <h1>bar.rb</h1> <h1>create the application/daemon</h1> <pre><code>LOG_FILE = 'C:\\test.log' begin require "rubygems" require 'win32/daemon' include Win32 class DemoDaemon &lt; Daemon def service_main while running? sleep 10 File.open("c:\\test.log", "a"){ |f| f.puts "Service is running #{Time.now}" } end end def service_stop File.open("c:\\test.log", "a"){ |f| f.puts "***Service stopped #{Time.now}" } exit! end end DemoDaemon.mainloop rescue Exception =&gt; err File.open(LOG_FILE,'a+'){ |f| f.puts " ***Daemon failure #{Time.now} err=#{err} " } raise end </code></pre> <hr> <p>bar.rb is the service but we must create and register first! this can be done with sc create some_service</p> <h2>but if we are going to use ruby and win32utils we should do a</h2> <h1>register_bar.rb</h1> <pre><code> require "rubygems" require "win32/service" include Win32 # Create a new service Service.create('some_service', nil, :service_type =&gt; Service::WIN32_OWN_PROCESS, :description =&gt; 'A custom service I wrote just for fun', :start_type =&gt; Service::AUTO_START, :error_control =&gt; Service::ERROR_NORMAL, :binary_path_name =&gt; 'c:\usr\ruby\bin\rubyw.exe -C c:\tmp\ bar.rb', :load_order_group =&gt; 'Network', :dependencies =&gt; ['W32Time','Schedule'], :display_name =&gt; 'This is some service' ) </code></pre> <hr> <p>Note, there is a space between c:\tmp\ bar.rb in 'c:\usr\ruby\bin\rubyw.exe -C c:\tmp\ bar.rb'</p> <p>Run <code>ruby register_bar.rb</code> and now one can start the service either from the windows service control panel or </p> <pre><code>sc start some_service </code></pre> <p>and watch c:test.log be filled with Service is running Thu Oct 02 22:06:47 +0200 2008</p> <h2>For the simple of have something to work with it is easier to remove the service register and create a new one instead of modifying a existing one</h2> <h1>unregister_bar.rb</h1> <pre><code> require "rubygems" require "win32/service" include Win32 Service.delete("some_service") </code></pre> <hr> <p>Credits to the people <a href="http://rubypane.blogspot.com/2008/05/windows-service-using-win32-service-and_29.html" rel="nofollow noreferrer">http://rubypane.blogspot.com/2008/05/windows-service-using-win32-service-and_29.html</a></p> <p><a href="http://rubyforge.org/docman/view.php/85/595/service.html" rel="nofollow noreferrer">http://rubyforge.org/docman/view.php/85/595/service.html</a></p>
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    1. PORunning a Ruby Program as a Windows Service?
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    1. COThis doesn't work as written - I think it's based on an old version of win32/daemon. Try the example files here instead: http://rubyforge.org/frs/download.php/30036/win32-service-0.6.1.zip
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    2. COThis, as said, worked at the time recorded in the example. The win32 seems to change freq and I don't really feel the need to update this example every time.
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    3. COYes, which is why I've downvoted it, sorry.
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