Nginx compilation and Installation

Nginx compilation and Installation

Nginx is a high-performance Web and reverse proxy server with many excellent features:

As a Web server: Compared with Apache, Nginx uses less resources and supports more concurrent connections, reflecting higher efficiency. This makes Nginx particularly popular among virtual host providers. It supports responses with up to 50,000 concurrent connections. Thanks to Nginx for choosing epoll and kqueue as the development model.

As a Server Load balancer: Nginx can support both Rails and PHP internally, or serve as an HTTP proxy server. Nginx is written in C. Both system resource overhead and CPU usage are much more efficient than Perlbal.

As a mail proxy server: Nginx is also a very good mail proxy server (one of the earliest development purposes of this product is also as a mail proxy server), Last. fm describes the success and wonderful use experience.

Nginx installation is very simple and configuration files are very simple (perl syntax is also supported). servers with few buckets: Nginx is easy to start and can run almost without interruption, it does not need to be restarted even if it is running for several months. You can also upgrade the software without interruption.
 
Compiling environment:
[Root @ www ~] # Yum groupinstall Development Tools
[Root @ www ~] # Yum install pcre-devel openssl-devel

Obtain the nginx program source code package:

[Root @ www ~] # Ll
Total 888
Drwxr-xr-x 9 1001 1001 4096 Dec 27 nginx-1.6.2
-Rw-r -- 1 root 804164 Sep 16 nginx-1.6.2.tar.gz
-Rw-r -- 1 root 29542 Apr 23 2014 nginx. vim

Decompress the source package:

[Root @ www ~] # Tar xf nginx-1.6.2.tar.gz
[Root @ www ~] # Cd nginx-1.6.2

Create an nginx administrator:

[Root @ www nginx-1.6.2] # useradd-M-s/sbin/nologin nginx
[Root @ www.nginx-1.6.2] # id nginx
Uid = 500 (nginx) gid = 500 (nginx) groups = 500 (nginx)

Install nginx through source code compilation:

During compilation and installation, we need to define the directories required for various configurations, so we need to create some directories:

Log storage directory:

[Root @ www ~] # Mkdir/var/log/nginx

Various cache directories, clients, proxies, and fastcgi directories:

[Root @ www ~] # Mkdir-pv/var/tmp/nginx/{client, proxy, fastcgi}
Mkdir: created directory '/var/tmp/nginx'
Mkdir: created directory '/var/tmp/nginx/client'
Mkdir: created directory '/var/tmp/nginx/proxy'
Mkdir: created directory '/var/tmp/nginx/fastcgi'
[Root @ www ~] #

Run the following command to view the Help file:

[Root @ www nginx-1.6.2] #./configure -- help | less

Start compiling nginx:

[Root @ www nginx-1.6.2] #. /configure -- prefix =/usr/local/nginx -- conf-path =/etc/nginx. conf -- user = nginx -- group = nginx -- error-log-path =/var/log/nginx/error. log -- http-log-path =/var/log/nginx/access. log -- pid-path =/var/run/nginx. pid -- lock-path =/var/lock/nginx. lock -- with-http_ssl_module -- with-http_stub_status_module -- with-http_gzip_static_module -- with-http_flv_module -- with-http_mp4_module -- http-client-body-temp-path =/var/tmp/nginx/client -- http-proxy-temp-path =/ var/tmp/nginx/proxy -- http-fastcgi-temp-path =/var/tmp/nginx/fastcgi

Install nginx:

[Root @ www nginx-1.6.2] # make & make install

Check installation:

View the installation directory

[Root @ www ~] # Ls/usr/local/nginx/
Html sbin
[Root @ www ~] # Ls/usr/local/nginx/sbin/
Nginx

View the configuration file directory:

[Root @ www ~] # Ls/etc/nginx/
Fastcgi. conf fastcgi_params.default mime. types nginx. conf. default uwsgi_params
Fastcgi. conf. default koi-utf mime. types. default scgi_params uwsgi_params.default
Fastcgi_params koi-win nginx. conf scgi_params.default win-utf

Environment variable settings:

[Root @ www ~] # Echo "export PATH =/usr/local/nginx/sbin: $ PATH">/etc/profile. d/nginx. sh
[Root @ www ~] # Source/etc/profile. d/nginx. sh

View the nginx version:

[Root @ www ~] # Nginx-v
Nginx version: nginx/1.6.2

Test the nginx configuration file:

[Root @ www ~] # Nginx-t
Nginx: the configuration file/etc/nginx. conf syntax is OK
Nginx: configuration file/etc/nginx. conf test is successful

Provide nginx service script:

[Root @ www ~] # Vim/etc/rc. d/init. d/nginx
#! /Bin/bash
#
# Nginx-this script starts and stops the nginx daemon
#
# Chkconfig:-85 15
# Description: Nginx is an HTTP (S) server, HTTP (S) reverse \
# Proxy and IMAP/POP3 proxy server
# Processname: nginx
# Config:/etc/nginx. conf
# Config:/etc/sysconfig/nginx
# Pidfile:/var/run/nginx. pid

# Source function library.
./Etc/rc. d/init. d/functions

# Source networking configuration.
./Etc/sysconfig/network

# Check that networking is up.
["$ NETWORKING" = "no"] & exit 0

Nginx = "/usr/local/nginx/sbin/nginx"
Prog = $ (basename $ nginx)

NGINX_CONF_FILE = "/etc/nginx. conf"

[-F/etc/sysconfig/nginx] &./etc/sysconfig/nginx

Lockfile =/var/lock/subsys/nginx

Make_dirs (){
# Make required directories
User = 'nginx-V 2> & 1 | grep "configure arguments:" | sed's/[^ *] * -- user = \ ([^] * \). */\ 1/G '-'
Options = '$ nginx-V 2> & 1 | grep' configure arguments :''
For opt in $ options; do
If ['echo $ opt | grep'. *-temp-path'']; then
Value = 'echo $ opt | cut-d "="-f 2'
If [! -D "$ value"]; then
# Echo "creating" $ value
Mkdir-p $ value & chown-R $ user $ value
Fi
Fi
Done
}

Start (){
[-X $ nginx] | exit 5
[-F $ NGINX_CONF_FILE] | exit 6
Make_dirs
Echo-n $ "Starting $ prog :"
Daemon $ nginx-c $ NGINX_CONF_FILE
Retval =$?
Echo
[$ Retval-eq 0] & touch $ lockfile
Return $ retval
}

Stop (){
Echo-n $ "Stopping $ prog :"
Killproc $ prog-QUIT
Retval =$?
Echo
[$ Retval-eq 0] & rm-f $ lockfile
Return $ retval
}

Restart (){
Configtest | return $?
Stop
Sleep 1
Start
}

Reload (){
Configtest | return $?
Echo-n $ "Reloading $ prog :"
Killproc $ nginx-HUP
RETVAL =$?
Echo
}

Force_reload (){
Restart
}

Configtest (){
$ Nginx-t-c $ NGINX_CONF_FILE
}

Rh_status (){
Status $ prog
}

Rh_status_q (){
Rh_status>/dev/null 2> & 1
}

Case "$1" in
Start)
Rh_status_q & exit 0
$1
;;
Stop)
Rh_status_q | exit 0
$1
;;
Restart | configtest)
$1
;;
Reload)
Rh_status_q | exit 7
$1
;;
Force-reload)
Force_reload
;;
Status)
Rh_status
;;
Condrestart | try-restart)
Rh_status_q | exit 0
;;
*)
Echo $ "Usage: $0 {start | stop | status | restart | condrestart | try-restart | reload | force-reload | configtest }"
Exit 2
Esac

Add the service script to the system startup and set automatic start upon startup:

[Root @ www ~] # Chkconfig -- list nginx
Service nginx supports chkconfig, but is not referenced in any runlevel (run 'chkconfig -- add nginx ')
[Root @ www ~] # Chkconfig -- add nginx
[Root @ www ~] # Chkconfig nginx on
 

Set the service script to enable the execution permission:

[Root @ www ~] # Chmod + x/etc/rc. d/init. d/nginx

Start the nginx Server:
[Root @ www ~] # Vim/etc/rc. d/init. d/nginx
[Root @ www ~] # Service nginx start
Starting nginx: [OK]
[Root @ www ~] # Ss-tunl | grep 80
Tcp LISTEN 0 128 ::: 38804 :::*
Tcp LISTEN 0 128 *: 80 *:*

The basic introduction to nginx is complete!

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