shell脚本安装nginx

#!/bin/bash

N_url="http://nginx.org/download/nginx-1.8.0.tar.gz"

N_pack=`echo $N_url|awk -F '/' '{print $5}'`

N_upack=`echo $N_url|awk -F '/' '{print $5}'|awk -F '.' '{print $1"."$2"."$3}'`

N_dir="/usr/local/nginx"

function nginx (){

    if [ `whoami` != "root" ];then

        echo "installtion this package needs root user."

        exit1

    fi

    yum -y install openssl-devel pcre-devel zlib-devel

  [ ! $? -eq  ] && exit

    wget -c $N_url

  [ ! $? -eq  ] && exit

    tar zxf $N_pack

    cd $N_upack

    useradd -M -s /sbin/nologin www

    ./configure --prefix=$N_dir --user=www --group=www --with-http_stub_status_module --with-http_ssl_module

    [ ! $? -eq  ] && exit

    make -j`grep processor /proc/cpuinfo | wc -l`  && make install

    mkdir $N_dir/conf/vhost

    mkdir /data/www -p

}

function config (){

cat > $N_dir/conf/nginx.conf <<'EOF'

user  www www;

worker_processes auto;

error_log  /usr/local/nginx/logs/error.log  crit;

pid        /usr/local/nginx/nginx.pid;

worker_rlimit_nofile ;

events

{

  use epoll;

  multi_accept on;

  worker_connections ;

}

http

{

  include       mime.types;

  default_type  application/octet-stream;

  charset utf-;

  server_tokens off;

  sendfile on;

  tcp_nopush on;

  tcp_nodelay on;

  keepalive_timeout ;

  client_header_timeout ;

  client_body_timeout ;

  client_header_buffer_size 4k;

  server_names_hash_bucket_size ;

  large_client_header_buffers  32k;

  client_max_body_size 100m;

  send_timeout ;

  reset_timedout_connection on;

  open_file_cache max= inactive=20s;

  open_file_cache_min_uses ;

  open_file_cache_valid 30s;

  fastcgi_connect_timeout ;

  fastcgi_send_timeout ;

  fastcgi_read_timeout ;

  fastcgi_buffer_size 64k;

  fastcgi_buffers  64k;

  fastcgi_busy_buffers_size 128k;

  fastcgi_temp_file_write_size 128k;  

  gzip  on;

  gzip_min_length     1k;

  gzip_buffers         16k;

  gzip_http_version   1.1;

  gzip_vary on;

  gzip_comp_level ;

  gzip_disable "MSIE [1-6]\.";

  gzip_proxied any;

  gzip_types       text/plain application/x-javascript text/css application/xml;

  log_format  access  '$remote_addr - $remote_user [$time_local] "$request"'

              '$status $body_bytes_sent "$http_referer"'

              '"$http_user_agent" $http_x_forwarded_for';

  access_log  /usr/local/nginx/logs/access.log  access;

  include vhost/*.conf;

}

EOF

cat > $N_dir/conf/vhost/test.conf << EOF

server

  {

    listen       80;

    server_name  localhost;

    index index.html index.htm index.php;

    root  /data/www;

    location /status {

        stub_status on;

        access_log   off;

    }

}

EOF

cat > /data/www/index.html << EOF

<html>

<head>

<title> Nginx web server </title>

<style>

    body {

        width: 35em;

        margin: 0 auto;

        font-family: Tahoma, Verdana, Arial, sans-serif;

    }

</style>

</head>

<body>

<h1>Welcome to nginx!</h1>

</body>

</html>

EOF

cat >> /etc/security/limits.conf <<'EOF'

*     soft     nofile     102400

*     hard     nofile     102400

*     soft     nproc     102400

*     hard     nproc     102400

EOF

ulimit -SHn 102400

sed 's@1024@102400@g' /etc/security/limits.d/90-nproc.conf

cat > /etc/sysctl.conf <<'EOF'

net.ipv4.ip_forward = 0

net.ipv4.conf.default.rp_filter = 1

net.ipv4.conf.default.accept_source_route = 0

kernel.sysrq = 0

kernel.core_uses_pid = 1

net.ipv4.tcp_syncookies = 1

kernel.msgmnb = 65536

kernel.msgmax = 65536

kernel.shmmax = 68719476736

kernel.shmall = 4294967296

net.ipv4.tcp_max_tw_buckets = 6000

net.ipv4.tcp_sack = 1

net.ipv4.tcp_window_scaling = 1

net.ipv4.tcp_rmem = 4096 87380 4194304

net.ipv4.tcp_wmem = 4096 16384 4194304

net.core.wmem_default = 8388608

net.core.rmem_default = 8388608

net.core.rmem_max = 16777216

net.core.wmem_max = 16777216

net.core.netdev_max_backlog = 262144

net.core.somaxconn = 262144

net.ipv4.tcp_max_orphans = 3276800

net.ipv4.tcp_max_syn_backlog = 262144

net.ipv4.tcp_timestamps = 1

net.ipv4.tcp_synack_retries = 1

net.ipv4.tcp_syn_retries = 1

net.ipv4.tcp_tw_recycle = 1

net.ipv4.tcp_tw_reuse = 1

net.ipv4.tcp_mem = 94500000 915000000 927000000

net.ipv4.tcp_fin_timeout = 1

net.ipv4.tcp_keepalive_time = 30

net.ipv4.ip_local_port_range = 1024 65000

EOF

cat > /etc/init.d/nginx <<'EOF'

#!/bin/sh

#

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

# 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="/usr/local/nginx/conf/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=\([^ ]*\).*/\/g" -`

   if [ -z "`grep $user /etc/passwd`" ]; then

       useradd -M -s /bin/nologin $user

   fi

   options=`$nginx -V >& | grep "configure arguments:"`

   for opt in $options; do

       if [ `echo $opt | grep ".*-temp-path"` ]; then

           value=`echo $opt | cut -d "=" -f `

           if [ ! -d "$value" ]; then

               # echo "creating" $value

               mkdir -p $value && chown -R $user $value

           fi

       fi

   done

}

start() {

    [ -x $nginx ] || exit

    [ -f $NGINX_CONF_FILE ] || exit

    make_dirs

    echo -n $"Starting $prog: "

    daemon $nginx -c $NGINX_CONF_FILE

    retval=$?

    echo

    [ $retval -eq  ] && touch $lockfile

    return $retval

}

stop() {

    echo -n $"Stopping $prog: "

    killproc $prog -QUIT

    retval=$?

    echo

    [ $retval -eq  ] && rm -f $lockfile

    return $retval

}

restart() {

    configtest || return $?

    stop

    sleep

    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 >&

}

case "$1" in

    start)

        rh_status_q && exit

        $

        ;;

    stop)

        rh_status_q || exit

        $

        ;;

    restart|configtest)

        $

        ;;

    reload)

        rh_status_q || exit

        $

        ;;

    force-reload)

        force_reload

        ;;

    status)

        rh_status

        ;;

    condrestart|try-restart)

        rh_status_q || exit

            ;;

    *)

        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|configtest}"

        exit

        ;;

esac

EOF

chmod  /etc/init.d/nginx

chkconfig --add nginx

chkconfig nginx on

echo -e "\033[37m =========  nginx install success  =========="

echo -e "\033[37m =========  Please reboot system   =========="

}

nginx

config

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