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worker_processes 2
working_directory "/opt/myrpm/htdocs/web" # available in 0.94.0+
listen "/opt/myrpm/var/unicorn.sock", :backlog => 64
#listen 8080, :tcp_nopush => false
listen "127.0.0.1:8080",:tcp_nopush => false
timeout 600
pid "/tmp/unicorn.pid"
stderr_path "/logs/unicorn/err.log"
stdout_path "/logs/unicorn/out.log"
preload_app true
GC.respond_to?(:copy_on_write_friendly=) and
  GC.copy_on_write_friendly = true
check_client_connection false
before_exec do |server|
  ENV["BUNDLE_GEMFILE"] = "/opt/myrpm/htdocs/web/Gemfile"
end
before_fork do |server, worker|
 old_pid = "/tmp/unicorn.pid.oldbin"
  if File.exists?(old_pid) && server.pid != old_pid
    begin
      Process.kill("QUIT", File.read(old_pid).to_i)
    rescue Errno::ENOENT, Errno::ESRCH
      puts "Send 'QUIT' signal to unicorn error!"
    end
  end
  defined?(ActiveRecord::Base) and
    ActiveRecord::Base.connection.disconnect!
end

after_fork do |server, worker|
  defined?(ActiveRecord::Base) and
    ActiveRecord::Base.establish_connection
end

user  nobody;
worker_processes 2;

error_log  /opt/myrpm/logs/nginx/error.log;

pid       /opt/myrpm/var/run/nginx.pid;

events {
    use epoll;
    worker_connections  1024;
}
http {
    include       mime.types;
    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

    server {
        listen       80;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;
        location / {
            index index.html;
        }
    }
}

独立安装需要yum install gcc/gcc-c++/libxml2/libxml2-devel/libxslt/libxslt-devel/zlib/zlib-devel
1 install yaml
  tar xzf yaml-0.1.5.tar.gz
  cd yaml-0.1.5
  ./configure --prefix=/opt/myrpm
  make && make install
2 install ruby
  tar xzf ruby-1.9.3-p545.tar.gz 
  cd ruby-1.9.3-p545
  ./configure --prefix=/opt/myrpm --disable-install-doc --with-opt-dir=/opt/myrpm
  make && make install
3 install rubygems
  tar xzf rubygems-2.4.1.tgz
  cd rubygems-2.4.1
  /opt/myrpm/bin/ruby setup.rb --prefix=/opt/myrpm
  /opt/myrpm/bin/gem source
  /opt/myrpm/bin/gem sources --remove https://rubygems.org/
  /opt/myrpm/bin/gem sources -a https://ruby.taobao.org/
## /opt/myrpm/bin/gem env
## /opt/myrpm/bin/gem env path （source 保存位置路径）
  /opt/myrpm/bin/gem install rails
  /opt/myrpm/bin/gem install unicorn