Nginx Server Installation and configuration Centos
Operating System : centos 6.x 64bit
1. Installation through RPM.
# wget http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm
# rpm -ivh nginx-release-centos-6-0.el6.ngx.noarch.rpm
2. Installation through epel
## RHEL/CentOS 6 64-Bit ##
# wget http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
# rpm -ivh epel-release-6-8.noarch.rpm
3. After any one of above step completed. Please proceed with you install.
# yum install nginx
4. Belo are the default location for Nginx configuration.
Default configuration Directory : /etc/nginx
Default Vhost Directory : /etc/nginx/conf.d/( in this directory we need to add the configuration for domain in virtual.conf or any *.conf in this directory
Default log file directory: /var/log/nginx/
Default document root directory: /usr/share/nginx/html
Default configuration file: /etc/nginx/nginx.conf(in this configuration file main setting are there)
Worker_processes :-
worker_processes 2; this line in nginx.conf file we need to set the worker_processes according to the number of CPUs on server for better perfomance
5. Sample Domain configuration :-
#cd /etc/nginx/conf.d/
# vi virtual.conf ( open the file and remove existing configurations and add like below configuration)
Note : line must end with';'
server {
listen 80;
listen 10.180.20.161:80;
server_name trailinfos.com;
access_log /var/log/nginx/trailinfos.com.access.log;
error_log /var/log/nginx/trailinfos.com.error.log;
}
Above one is the basic configuration for domain we need to include rewrite and location between starting and ending "{"
server {
_____
___________
}
Loading Balancing or proxy Balancing :-
upstream rails_application {
server 10.180.20.160:80;
server 10.180.20.161:80;
}
To difine the balancing servers should like above for proxy balancing and for preferences need to set the weight like below.
upstream rails_application {
server srv1.example.com weight=3;
server srv2.example.com;
server srv3.example.com;
}
from above example in place of 'rails_application' you can give any name and define the upstream name in domain configuration syntax should be like
upstream rails_application {
server 10.180.20.160:80;
server 10.180.20.161:80;
}
server {
_____
_________
location / {
proxy_pass http://rails_application;
}
__
}
Define the Custome home directory and index page.
server {
_____
_________
location / {
root /home/html;
index index.php;
}
}
PHP Installation with Nginx :-
1. Installation of required packages through yum.
yum install php-fpm php-cli php-mysql php-gd php-imap php-ldap php-odbc php-pear php-xml php-xmlrpc php-magickwand php-magpierss php-mbstring php-mcrypt php-mssql php-shout php-snmp php-soap php-tidy
2.APC installation
yum install php-pecl-apc
3. open the /etc/php.ini and set cgi.fix_pathinfo=0:
4. set date.timezone in /etc/php.ini
[...]
[Date]
; Defines the default timezone used by the date functions
; http://www.php.net/manual/en/datetime.configuration.php#ini.date.timezone
date.timezone = "Europe/Berlin"
[...]
[root@server1 nginx]# cat /etc/sysconfig/clock
ZONE="Europe/Berlin"
[root@server1 nginx]#
5. After above steps completed open the mime.types file and add the 'text/php php php5;' line at the end of line .
vi /etc/nginx/mime.types
text/php php php5;
6. Reload the php-fpm service :
service php-fpm reload
7. Add the below configuration in domain configuration for enable the php.
server {
_____
_________
location ~ \.php$ {
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include fastcgi_params;
}
}
8. Add the rewrite rules :
server {
_____
_________
location ~ \.(gif|jpg|png|txt) {
return http://trailinfos.com/index.php;
}
}
From above rewrite rule if you click on http://trailinfos.com/any.gif or http://trailinfos.com/any.jpg ..etc like it redirect to http://trailinfos.com/index.php
9. Restart the Nginx service
#service nginx restart
10. Please find below details configuration file.
upstream rails_application {
server 10.180.20.160:80;
server 10.180.20.161:80;
}
server {
listen 80;
listen 10.180.20.161:80;
server_name trailinfos.com;
access_log /var/log/nginx/trailinfos.com.access.log;
error_log /var/log/nginx/trailinfos.com.error.log;
location / {
proxy_pass http://rails_application;
}
#location / {
# root html;
# index index.php;
# }
location ~ \.(gif|jpg|png|txt) {
return http://trailinfos.com/index.php;
}
location ~ \.php$ {
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include fastcgi_params;
}
}
you can add the another domain same like don't include "upstream " it's one time defenition
server {
listen 80;
listen 10.180.20.161:80;
server_name test.trailinfos.com;
access_log /var/log/nginx/test.trailinfos.com.access.log;
error_log /var/log/nginx/test.trailinfos.com.error.log;
location / {
proxy_pass http://rails_application;
}
#location / {
# root html;
# index index.php;
# }
location ~ \.(gif|jpg|png|txt) {
return http://test.trailinfos.com/index.php;
}
location ~ \.php$ {
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include fastcgi_params;
}
}
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