dan.thoughts

cd /source
$ wget http://sysoev.ru/nginx/nginx-0.6.36.tar.gz
$ wget http://www.zlib.net/zlib-1.2.3.tar.gz
$ wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-7.8.tar.gz
$ wget http://www.openssl.org/source/openssl-0.9.8k.tar.gz

$ tar -zxf nginx-0.6.36.tar.gz
$ tar -zxf zlib-1.2.3.tar.gz
$ tar -zxf pcre-7.8.tar.gz
$ tar -zxf openssl-0.9.8k.tar.gz

$ cd nginx-0.6.36
$ ./configure --with-http_ssl_module --with-http_gzip_static_module --with-http_realip_module --with-zlib=../zlib-1.2.3 --with-pcre=../pcre-7.8 --with-openssl=../openssl-0.9.8k
$ make && make install

$ openssl genrsa -des3 -out server.key 1024
 
Generating RSA private key, 1024 bit long modulus
.........................................................++++++
........++++++
e is 65537 (0x10001)
Enter PEM pass phrase:
Verifying password - Enter PEM pass phrase:

$ openssl req -new -key server.key -out server.csr
 
    Country Name (2 letter code) [GB]:US
    State or Province Name (full name) [Berkshire]:Illinois
    Locality Name (eg, city) [Newbury]:Chicago
    Organization Name (eg, company) [My Company Ltd]:Sosedoff
    Organizational Unit Name (eg, section) []:Information Technology
    Common Name (eg, your name or your server's hostname) []:domain.com
    Email Address []:YOUR.MAIL@HERE.com
    Please enter the following 'extra' attributes
    to be sent with your certificate request
    A challenge password []:
    An optional company name []:

$ cp server.key server.key.org
$ openssl rsa -in server.key.org -out server.key
 
    The newly created server.key file has no more passphrase in it.

$ openssl x509 -req -days 365 -in server.csr -signkey server.key -out server.crt
    Signature ok

# /etc/init.d/nginx reload

def inet_aton(ip)
    ip.split(/\./).map{|c| c.to_i}.pack("C*").unpack("N").first
end
 
def inet_ntoa(n)
    [n].pack("N").unpack("C*").join "."
end

$ apt-get install libfuse-dev

$ wget http://voxel.dl.sourceforge.net/sourceforge/mysqlfs/mysqlfs-0.4.0-rc1.tar.bz2

$ tar -xjvf mysqlfs-0.4.0-rc1.tar.bz2
$ cd mysqlfs-0.4.0-rc1
$ ./configure && make && make install

CREATE DATABASE mysqlfs;
GRANT SELECT, INSERT, UPDATE, DELETE ON mysqlfs.* TO mysqlfs@"%" IDENTIFIED BY 'password';
FLUSH PRIVILEGES;

$ mysql -uroot -p mysqlfs < schema.sql

$ mysqlfs -ohost=MYSQLHOST -ouser=MYSQLUSER -opassword=MYSQLPASS -odatabase=mysqlfs MOUNT_DIR

Bucket.create('NAME_HERE',:access => :public_read)

#!/usr/bin/ruby
 
require 'rubygems'
require 'aws/s3'
 
include AWS::S3
 
$s3_bucket = "BUCKET_NAME"
$s3_key = "API_KEY"
$s3_secret = "API_SECRET"
 
def s3_store(localfile)
	if File.exists?(localfile) && File.readable?(localfile)
		puts "Uploading file [#{localfile}]. Size: #{File.size(localfile)} bytes."
		name = File.basename(localfile)
		Base.establish_connection!(:access_key_id => $s3_key, :secret_access_key => $s3_secret)
		S3Object.store(name, open(localfile), $s3_bucket, :access => :public_read)
		puts "Download link: http://s3.amazonaws.com/#{$s3_bucket}/#{name}"
	else
		puts "File not exists or not accessible. Please check file and try again!"
	end
end
 
path = ARGV[0]
if !path
	"Please specify the file to upload."
else
	s3_store(path)
end

<?
class ImageScale {
 
	private function changeGeometry($sz,$value) {
		if ($sz['width'] > $sz['height']) { // horizontal image
			$newsz['width'] = $value;
			$newsz['height'] = ceil(($newsz['width'] * $sz['height']) / $sz['width']);
		}
		else { // vertical image
			$newsz['height'] = $value;
			$newsz['width'] = ceil(($newsz['height'] * $sz['width']) / $sz['height']);
		}
		return $newsz;	
	}
 
	private function changeGeometry2($sz,$value) {
		$newsz['width'] = $value;
		$newsz['height'] = ceil(($newsz['width'] * $sz['height']) / $sz['width']);
		return $newsz;
	}
 
	/**
	 * 	Make thumbnail of specified maximum side size
	 */
	public function processThumb($source_path, $dest_path, $sidesize, $quality=85, $scale_method=1) {
		if (file_exists($source_path) && is_readable($source_path)) {
			$image = new Imagick($source_path);
 
			$geometry = $image->getImageGeometry(); // ['width', 'height']
			if ($geometry['width'] > $sidesize) {
				if ($scale_method == 1) $geometry = $this->changeGeometry($geometry,$sidesize);
				if ($scale_method == 2) $geometry = $this->changeGeometry2($geometry,$sidesize);
			}
			$image->cropThumbnailImage($geometry['width'],$geometry['height']);
			$image->setCompression(Imagick::COMPRESSION_JPEG);
			$image->setCompressionQuality($quality);
			return $image->writeImage($dest_path);
		}
		return false;
	}	
 
	/**
	 * 	Make square thumbnail
	 */
	public function processRectThumb($source_path, $dest_path, $size=150, $quality=85) {
		if (file_exists($source_path) && is_readable($source_path)) {
			$image = new Imagick($source_path);
 
			if ($image) {
				$image->cropThumbnailImage($size,$size);
				$image->setCompression(Imagick::COMPRESSION_JPEG);
				$image->setCompressionQuality($quality);
				return $image->writeImage($dest_path);
			}
		}
		return false;
	}
}
?>

#!/bin/sh
#
# Init file for nginx
#
# chkconfig: 2345 55 25
# description: Nginx web server
#
# processname: nginx
# config: /usr/local/nginx/nginx.conf
# pidfile: /usr/local/nginx/nginx.pid
 
# Description: Startup script for nginx webserver on Debian. Place in /etc/init.d and
# run 'sudo update-rc.d nginx defaults', or use the appropriate command on your
# distro. For CentOS/Redhat run: '/sbin/chkconfig --add nginx'
#
# Author: Ryan Norbauer <ryan.norbauer@gmail.com>
# Modified: Geoffrey Grosenbach http://topfunky.com
# Modified: David Krmpotic http://davidhq.com
# Modified: Vishnu Gopal http://vish.in
# Modified: Dan Sosedov <dan.sosedoff@gmail.com>
 
set -e
 
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DESC="nginx daemon"
NAME=nginx
DAEMON=/usr/local/nginx/sbin/$NAME
CONFIGFILE=/usr/local/nginx/conf/nginx.conf
PIDFILE=/usr/local/nginx/logs/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
 
# Gracefully exit if the package has been removed.
test -x $DAEMON || exit 0
 
d_start() {
  $DAEMON -c $CONFIGFILE || echo -en "\n already running"
}
 
d_stop() {
  kill -QUIT `cat $PIDFILE` || echo -en "\n not running"
}
 
d_reload() {
  kill -HUP `cat $PIDFILE` || echo -en "\n can't reload"
}
 
case "$1" in
  start)
    echo -n "Starting $DESC: $NAME"
    d_start
        echo "."
  ;;
  stop)
    echo -n "Stopping $DESC: $NAME"
    d_stop
        echo "."
  ;;
  reload)
    echo -n "Reloading $DESC configuration..."
    d_reload
        echo "."
  ;;
  restart)
    echo -n "Restarting $DESC: $NAME"
    d_stop
    # One second might not be time enough for a daemon to stop,
    # if this happens, d_start will fail (and dpkg will break if
    # the package is being upgraded). Change the timeout if needed
    # be, or change d_stop to have start-stop-daemon use --retry.
    # Notice that using --retry slows down the shutdown process somewhat.
    sleep 1
    d_start
    echo "."
  ;;
  *)
    echo "Usage: $SCRIPTNAME {start|stop|restart|reload}" >&2
    exit 3
  ;;
esac
 
exit 0

$ sudo /etc/init.d/nginx (start|stop|restart|reload)

class ImageScale
    def change_geometry(sz,value)
        w = sz[0] ; h = sz[1]
            if w > h
                sz[0] = value
                sz[1] = ((value * h) / w).floor
            else
                sz[1] = value
                sz[0] = ((value * w) / h).floor
            end
            return sz
    end
 
    def make_rect(file_in,file_out, width, quality=85, sharp=false) 
        if FileTest.exists?(file_in)
            begin
                img = Magick::Image.read(file_in).first
                img.crop_resized!(width,width, Magick::CenterGravity)
                img = img.sharpen(0.5, 0.5) if sharp
                img.write(file_out) { self.quality = quality }
                return true if FileTest.exists?(file_out)
            rescue Magick::ImageMagickError
                return false
            end
        end
        return false
    end
 
    def make_thumb(file_in,file_out, width_to, quality=85, sharp=false) 
        if FileTest.exists?(file_in)
            begin
                img = Magick::Image.read(file_in).first
                info = [img.columns,img.rows]
                sz = change_geometry(info, width_to)
                img = img.resize(sz[0],sz[1])
                img = img.sharpen(0.5, 0.5) if sharp
                img.write(file_out) { self.quality = quality }
                return true if FileTest.exists?(file_out)
            rescue Magick::ImageMagickError
                return false
            end
        end
        return false
    end
end

/(blackberry|motorokr|motorola|sony|windows ce|240x320|176x220|palm|mobile|iphone|ipod|symbian|nokia|samsung|midp)/i

/(google|yahoo|baidu|bot|webalta|archiver|crawler|spyder)/i

#!/bin/bash
 
# settings
interface="ath0" # wireless interface, default to wlan0
essid="NETWORK_NAME_HERE"
key="YOUR_KEY_HERE"
index="4" # can be [1..4]
 
# check permission
if [ "$(id -u)" != "0" ]; then
   echo "Run this script under root" 1>&2
   exit 1
fi
 
# show information
echo "Settings:"
echo "-> Interface: $interface"
echo "-> Wifi ESSID: $essid"
echo "-> Key: $key"
echo "-> Key Index: $index"
 
# perform association
ifconfig $interface down
iwconfig $interface essid $essid
iwconfig $interface key $key [$index]
iwconfig $interface key [$index]
ifconfig $interface up
dhclient $interface

#!/bin/bash
# ...
if [ "$(id -u)" != "0" ]; then
   echo "This script must be run as root" 1>&2
   exit 1
fi
# ...

#!/bin/bash
# ...
if [[ $EUID -ne 0 ]]; then
   echo "This script must be run as root" 1>&2
   exit 1
fi
# ...