Thank you, but when I try that, it shows me:

Command line error: no such option: --replace-with

OK, edit: I installed the replace plugin after googling. Now when I issue that command it shows me:

yum replace nginx16 --replace-with=nginx18
Loaded plugins: fastestmirror, replace
Replacing packages takes time, please be patient...
Error: Package 'nginx16' is not installed.

I now have the opposite problem. My yum update installed Nginx 1.8.1. But everything in Nginx is setup for 1.8.0. So Now Nginx doesn’t start!

....
 systemctl status nginx.service
...version 1.8.1 of nginx.pm is required, but 1.8.0 was found
....

Any thoughts?

Thank you for this. I’d like to try http2. But couple of questions:

*Question 1: *
Even with the nginx repo, will my manually installed Nginx (which is easy, I agree) conflict with some “yum update” in the future?

*Question 2: *
What packages should I include? RIght now nginx -V shows me this:

# nginx -V
nginx version: nginx/1.8.0
built by gcc 4.8.3 20140911 (Red Hat 4.8.3-9) (GCC) 
built with OpenSSL 1.0.1e-fips 11 Feb 2013
TLS SNI support enabled

configure arguments: 
--prefix=/usr/share/nginx 
--sbin-path=/usr/sbin/nginx 
--conf-path=/etc/nginx/nginx.conf 
--error-log-path=/var/log/nginx/error.log 
--http-log-path=/var/log/nginx/access.log 
--http-client-body-temp-path=/var/lib/nginx/tmp/client_body 
--http-proxy-temp-path=/var/lib/nginx/tmp/proxy 
--http-fastcgi-temp-path=/var/lib/nginx/tmp/fastcgi 
--http-uwsgi-temp-path=/var/lib/nginx/tmp/uwsgi 
--http-scgi-temp-path=/var/lib/nginx/tmp/scgi 
--pid-path=/run/nginx.pid 
--lock-path=/run/lock/subsys/nginx 
--user=nginx 
--group=nginx 
--with-file-aio 
--with-ipv6 
--with-http_ssl_module 
--with-http_spdy_module 
--with-http_realip_module 
--with-http_addition_module 
--with-http_auth_request_module 
--with-http_xslt_module 
--with-http_image_filter_module 
--with-http_geoip_module 
--with-http_sub_module 
--with-http_dav_module 
--with-http_flv_module 
--with-http_mp4_module 
--with-http_gunzip_module 
--with-http_gzip_static_module 
--with-http_random_index_module 
--with-http_secure_link_module 
--with-http_degradation_module 
--with-http_stub_status_module 
--with-http_perl_module 
--with-mail 
--with-mail_ssl_module 
--with-pcre 
--with-google_perftools_module 
--with-debug 
--with-cc-opt='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -m64 -mtune=generic' 
--with-ld-opt='-Wl,-z,relro -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -Wl,-E'

*Question 3: *
Should I compile with all the above? Of course, replacing the SPDY with http2? However, this begs the question: I will need SSL. So all my domains will become https? Without purchasing a certificate from the likes of InstantSSL or Comodo or something, will I break my websites that are currently on http? (Also http2 support on all browsers isn’t there yet – will those older browsers default to 1.1?)

Thank you!