<div dir="ltr">I am a new Nginx user. I just install Nginx 1.12. I like to use nginx_substitutions_filter. I cannot figure out how to install nginx_substitutions_filter in previously existing Nginx. <div><br></div><div>I found this url - <a href="http://www.newfreesoft.com/server/compiling_source_code_nginx_module_installation_subs_filter_1627/">http://www.newfreesoft.com/server/compiling_source_code_nginx_module_installation_subs_filter_1627/</a>. Should I unstall Nginx first?</div><div><br></div><div>Thanks,</div><div><br></div><div>David</div></div>