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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Hi Sebres,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Appreciate for your reply.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">The version of nginx on the RHEL 7.4 is nginx/1.14.0. and installed with the repository which I have created by taking a look at the documentation
on Nginx.org.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">[nginx]<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">name=nginx repo<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">baseurl=http://nginx.org/packages/rhel/7/$basearch/<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">gpgcheck=0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">enabled=1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Anyway, I will take your opinion and try to do the simple health check.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">If I have further clue, I will come back.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Kentaro<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Sergey Brester [mailto:serg.brester@sebres.de]
<br>
<b>Sent:</b> Thursday, July 19, 2018 5:51 PM<br>
<b>To:</b> nginx-devel@nginx.org<br>
<b>Cc:</b> </span><span style="font-size:10.0pt">小栗 雅士</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">;
</span><span style="font-size:10.0pt">千葉 幸宏</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">;
</span><span style="font-size:10.0pt">桐山 健太郎</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""><br>
<b>Subject:</b> Re: [nginx]empty gif<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<pre><span lang="EN-US">So you want something like?<br> location = /</span><span lang="EN-US" style="font-size:10.0pt">healthcheck</span><span lang="EN-US">.gif {<o:p></o:p></span></pre>
<pre><span lang="EN-US"> empty_gif;<o:p></o:p></span></pre>
<pre><span lang="EN-US"> }<br>And it does not work?<br><br>1. if you've installed nginx via distribution and your nginx version is larger as 1.9 (which supports dynamic modules), you can just install the modules via yum. If not, you should use nginx-extra package or compile nginx with modules you needed (or install from other repository).<br>2. to load module use <a href="http://nginx.org/en/docs/ngx_core_module.html#load_module">load_module</a> directive. to list what it has statically, use "nginx -V"<br><br>But IMHO for the simple </span><span lang="EN-US" style="font-size:10.0pt">health check would be enough:</span><span lang="EN-US"><o:p></o:p></span></pre>
<pre><span lang="EN-US"> location = /</span><span lang="EN-US" style="font-size:10.0pt">healthcheck</span><span lang="EN-US"> {<br> default_type text/plain;<o:p></o:p></span></pre>
<pre><span lang="EN-US"> return 200 "OK";<o:p></o:p></span></pre>
<pre><span lang="EN-US"> }<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:10.0pt"><br>Regards,</span><span lang="EN-US"><o:p></o:p></span></pre>
<pre><span lang="EN-US">sebres.<o:p></o:p></span></pre>
<p><span lang="EN-US" style="font-size:10.0pt;font-family:"Verdana","sans-serif"">Am 19.07.2018 10:24, schrieb
</span><span style="font-size:10.0pt">桐山 健太郎</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Verdana","sans-serif"">:<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt">Hello,</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt"> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt">I have installed the nginx by making yum repository to the RHEL 7.4 server on EC2(AWS) and the architecture is like below.</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt"> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt">CloudFront</span><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings">à</span><span lang="EN-US" style="font-size:10.0pt">WAF</span><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings">à</span><span lang="EN-US" style="font-size:10.0pt">ELB(ALB)</span><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings">à</span><span lang="EN-US" style="font-size:10.0pt">EC2
Nginx server(as a Reverse proxy)</span><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings">à</span><span lang="EN-US" style="font-size:10.0pt">ELB(ALB)</span><span lang="EN-US" style="font-size:10.0pt;font-family:Wingdings">à</span><span lang="EN-US" style="font-size:10.0pt">goes
to 2 different backend web server A and B.</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt"> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt">Also, I have configured the conf files as two conf. file other than nginx.conf.</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt">The above two conf. file is named RP.conf and ALBHealthcheck.conf and placed those under /etc/nginx/ directory, so that nginx conf. could
load those two conf. files. (include /etc/nginx/conf.d/*.conf)</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt"> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt">As for the ELB health check I would like to use the empty gif, however I couldn't find the default module 'ngx_http_empty_gif_module"
is<br>
on the system.</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt">I have checked the "/usr/lib64/nginx/modules/", but shows there is nothing in it.</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt"> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Verdana","sans-serif"">1.</span><span lang="EN-US" style="font-size:7.0pt;font-family:"Times New Roman","serif"">
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Verdana","sans-serif"">Do I have to configure the module one by one? Or nginx has the default module?<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:18.0pt;text-indent:-18.0pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Verdana","sans-serif"">2.</span><span lang="EN-US" style="font-size:7.0pt;font-family:"Times New Roman","serif"">
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Verdana","sans-serif"">How can I define the list of module for nginx? What command can list all the module with nginx?<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt"> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt">My goal is to succeed the health check for ELB with an path of "/healthcheck.html"</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt"> </span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt">Regards</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US" style="font-size:10.0pt">Kentaro</span><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Verdana","sans-serif""><o:p> </o:p></span></p>
<pre><span lang="EN-US">_______________________________________________<o:p></o:p></span></pre>
<pre><span lang="EN-US">nginx-devel mailing list<o:p></o:p></span></pre>
<pre><span lang="EN-US"><a href="mailto:nginx-devel@nginx.org">nginx-devel@nginx.org</a><o:p></o:p></span></pre>
<pre><span lang="EN-US"><a href="http://mailman.nginx.org/mailman/listinfo/nginx-devel">http://mailman.nginx.org/mailman/listinfo/nginx-devel</a><o:p></o:p></span></pre>
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