NGINX installation on Redhat & Centos

NGINX INSTALLATION

      Downlaod the nginx-.-.-.tar.gz file and copy in to /usr/local/src(optional) directory. Install the nginx using source code.

Step 1-: cd /usr/local/src

Step 2-: tar –zxvf nginx-.tar.gz

Step 3-: ./configure

Step 4-: make ; make install

       
       For installing nginx we need gcc, pcre and zlib packages.

       After installing nginx we cannot start or check the status. We need to create the script manually under the /etc/init.d/ directory.

Step 5-: vi /etc/init.d/nginx (copy the below script in to the newly created file)

           ---------------------------------------------------------------------------------------------------------      

#!/bin/sh

#

# nginx - this script starts and stops the nginx daemin

#

# chkconfig:   - 85 15

# description:  Nginx is an HTTP(S) server, HTTP(S) reverse

#               proxy and IMAP/POP3 proxy server

# processname: nginx

# config:      /usr/local/nginx/conf/nginx.conf

# pidfile:     /usr/local/nginx/logs/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="/usr/local/nginx/conf/nginx.conf"

lockfile=/var/lock/subsys/nginx

start() {

    [ -x $nginx ] || exit 5

    [ -f $NGINX_CONF_FILE ] || exit 6

    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

    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

        ------------------------------------------------------------------------------------------------------------------------      

                   Save the file and exit. Change the permissions of the file.

Step 6-: chmod +x /etc/init.d/nginx

Step 7-: /etc/init.d/nginx configtest

Step 8-: /etc/init.d/nginx status

Step 9-: /etc/init.d/nginx start | stop | restart | reload

                     Default configuration file for nginx will be at /usr/local/nginx/conf/nginx.conf