getting error while using lua with nginx

Question

I am very new to nginx and lua .i have installed Openresty . below is my code in nginx.conf file .

server{
      location /hellolua {
      default_type 'text/plain';
        content_by_lua '        local name = ngx.var.arg_name or "Anonymous"
        ngx.say("Hello, ", name, "!")    ';
        }
       }

When i am running

sudo service nginx start

i am getting error

Starting nginx: nginx: [emerg] unknown directive "content_by_lua" in /etc/nginx/nginx.conf:24
nginx: configuration file /etc/nginx/nginx.conf test failedt

Please let me know what i am missing .

Frederik Spang · Accepted Answer · 2013-11-08 08:48:15Z

6

It seems to me, as if you haven't installed the right module? ngx_lua (http://wiki.nginx.org/HttpLuaModule)

You mention OpenResty. Did you configure it with lua? If not, the guide is here(http://wiki.nginx.org/HttpLuaModule#Installation).
Quick resumé:

The ngx_openresty bundle can be used to install Nginx, ngx_lua, either one of the standard Lua 5.1 interpreter or LuaJIT 2.0, as well as a package of powerful companion Nginx modules. The basic installation step is a simple ./configure --with-luajit && make && make install.

You can manually compile ngx_lua into nginx too, the full guide is in the link too.

After comment-discussing - I removed the irrelevant part of the answer.

edited Nov 8, 2013 at 8:48

answered Nov 8, 2013 at 8:29

Frederik Spang

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6 Comments

LorenzoDonati4Ukraine-OnStrike Over a year ago

Double quotes and single quotes are semantically equivalent in Lua: if you start a string with " you must end it with " and use ' inside it with no additional escaping, or you can do vice versa.

Frederik Spang Over a year ago

Which is exactly what I've done ;-) I'm just following the documentation, to avoid things like nginx not wanting single-quotes. Haven't worked much with nginx.

Prashant Gaur Over a year ago

This is the issue i am not able to configure openresty with lua. i am not able to find path where lua is installed.please help me how can i configure i am so confused

Frederik Spang Over a year ago

The problem is most likely, Lua simply isn't installed.

Prashant Gaur Over a year ago

@FrederikSpang lua is installed but i am not able to configure with nginx

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agentzh · Accepted Answer · 2013-11-19 19:43:07Z

4

By default, OpenResty's nginx is installed into the path /usr/local/openresty/nginx/sbin/nginx. Your system's default nginx init configurations need an update to point to the right locations.

answered Nov 19, 2013 at 19:43

agentzh

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