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Login to Linux Server using root credentials. Use PuTTY/KiTTY to login.

Download and Install LibEvent

First make a folder named memcache to download the required setup files:

# mkdir memcache (make directory memcache)

# cd memcache (go to memcache directory)

Memcache requires LibEvent. Go to their site and get the latest version.

http://www.monkey.org/~provos/libevent-1.4.13-stable.tar.gz (Latest stable version)

OR

http://ftp.redhat.com/pub/redhat/rhel/beta/6/x86_64/os/Packages/libevent-1.4.13-1.el6.x86_64.rpm

# wget http://www.monkey.org/~provos/libevent-1.4.13-stable.tar.gz (download libevent latest stable version)

# tar xvfz libevent-1.4.13-stable.tar.gz (Unzip the zip file)

# cd libevent-1.4.13-stable (go to unzipped directory)

# ./configure (Configure)

# make (Compile the file to prepare for installation)

# make install (Run install process)

# cd

[To check if installed or not]

#whereis libevent

[Success will be shown with package path otherwise blank]

[To find certain package]

#find / -name  libevent-1.4.13-stable

[List files]

#ls

Download and Install Memcached

Now you can install Memcache. Again you should check their site for the latest version.

http://memcached.googlecode.com/files/memcached-1.4.4.tar.gz (Take the latest version)

[Added later:

http://memcached.googlecode.com/files/memcached-1.4.5.tar.gz as on June 2010 ]

# wget http://memcached.googlecode.com/files/memcached-1.4.4.tar.gz

# tar xvfz memcached-1.4.4.tar.gz

# cd memcached-1.4.4

# ./configure

# make

# make install

Starting Memcache

Run memcache as daemon (service start)
[ Syntax:  memcached -d -u [user] -m [memory size] -p [port] [listening IP]  ]
# memcached –d –m 1024 –u root –l 127.0.0.1 –p 11211
 

Try starting memcache.

memcached

If you get the following error then you may need to register libevent:

error while loading shared libraries: libevent-1.4.so.2: cannot open shared object file: No such file or directory

Register LibEvent

vi /etc/ld.so.conf.d/libevent-i386.conf

[Press i  to insert]
–[paste]–
/usr/local/lib/
[Save and exit: Press Esc -> Shift+; -> wq ->Enter ]

#ldconfig

Install zlib package

# wget http://www.zlib.net/zlib-1.2.5.tar.gz ( Go to http://www.zlib.net/ and take the latest version)
# tar xvfz zlib-1.2.5.tar.gz
# cd zlib-1.2.5
# ./configure
# make
# make install

Installing PHP Memcache

Install the PHP Memcache extension.

http://pecl.php.net/get/memcache-2.2.5.tgz

wget http://pecl.php.net/get/memcache-2.2.5.tgz
tar xvfz memcache-2.2.5.tgz
cd memcache-2.2.5
phpize     (phpize:Command not found case, run yum install php-devel then YES)

Again

phpize  (Now it should work with no error )

./configure –enable-memcache

make
make install

# cp modules/memcache.so /usr/lib64/php/modules/

[Path can be :   /usr/lib/php/modules/]

# vi /etc/php.d/memcached.ini

–paste–

extension=memcache.so

( See the phpinfo() and take  path Loaded Configuration File )

[ The path of php.ini file varies with hosting provider.  For  ukfast.co.uk  server,  /etc/php.ini ]
vi /usr/local/lib/php.ini
–[paste]–
extension=memcache.so
–[/paste]—
#service httpd restart

Or

# /etc/init.d/network restart

After Setup: Include the following code in the top of the  index page.

if(substr_count($_SERVER['HTTP_ACCEPT_ENCODING'], ‘gzip’)) ob_start(“ob_gzhandler”); else ob_start();

$memcache = new Memcache;

$memcache->connect(“localhost”,11211);

They help to find and connect with new people and old friends. More people are getting jobs from those websites. Nowadays, they have become one of the key means of advertisement.

Here is the list most popular social networking websites.

1. Facebook : http://www.facebook.com/

2. MySpace: http://www.myspace.com/

3. Twitter: http://www.twitter.com/

4. LinkedIn: http://www.linkedin.com/

5. Ning: http://www.ning.com/

6. Friendster: http://www.friendster.com/

7. Tagged:  http://www.tagged.com/

8. Netlog : http://www.netlog.com/

9. Meetup: http://www.meetup.com/

10. Multiply: http://www.multiply.com/

11. MyYearBook: http://www.myyearbook.com/

12. Bebo: http://www.bebo.com/

13. Xanga: http://www.xanga.com/

14. Care2: http://www.care2.com/

15. Classmates: http://www.classmates.com/



DEMO DOWNLOAD

Cookie can have up to seven parameters but mostly first three are used.

The first 3 parameters are:

1. name:  refers to cookie name e.g. cookname

2. value: refers to cookie value stored in cookie name e.g. $_COOKIE['cookname'] => ‘cookvalue’

3. expire: refers to time the cookie expires, if omitted cookie expires on browser close e.g. time()+60*60*24*1 – this time will set the cookie to expire in 1day.

Combining the parameters, cookie set command becomes:

setcookie('cookie_username','username_value', time()+60*60*24*1); 

The above set cookie can be accessed by:

echo $_COOKIE'cookie_username'];

DEMO DOWNLOAD

“Personalized Search” is available for signed-in users as well as signed-out users. This enables for customized search results based upon 180 days of search activity linked to an anonymous cookie in the browser. Hence, Google will artificially increase the rankings of the website you often search for.

Here is a tool called Scroogle to find the real search rankings.

Scroogle scrapes the Google result with no cookies, no search-term records and access log is deleted within 48 hours. So it won’t have previous data and the result will be like that for general user.

It can show 20, 50 or 100 results in a single page.

Let’s check out an example to check how the result differs.

Here is test result from Google and Scroogle for the keyword “world news”

IMT Website Submitter submits your website/blog to 2500+ different places. All these 2500+ websites are manly “who is”, “about us”, “website statistic”, etc. type of services.

This script creates pages about your website/blog on every one of these websites, resulting in about 2500+ different pages with backlinks pointing back to your website. Yes some of them are no-follow and some of them are do-follow, but bottom line is that these are well established websites regularly crawled by Google and other SE, so your pages and backlinks on those websites will be found and your website/blog will get backlinks and will be visited and indexed more frequently by Googlebot and many other search engine bots like Yahoo, Bing, Baidu, etc.

IMT Directory Submitter will help you submit your Website to 2046 directories fast and easy. Only SEO friendly directories supported. The quality is like manual submission.  Acceptance rate is very high.

To use this service you need to register at IMTalk

After that add your website and start submission under various categories.

Enjoy!!

1. Open PuTTY/KiTTY

2. Enter the IP Address and Port name of host server.

3. Login with username and password.

login as: root
root@xxx.xxx.xxx.xx's password:
Last login: Sun Dec 13 06:28:52 2010 from xx.xxx.xxx.xxx.srvlist.ukfast.net
[root@xxx ~]#

[Note: xxx refers to IP Address format]

4. To list crontab (if already there)

[root@xxx ~]# crontab –l
*   *  *   * *  lynx -source http://www.domain.co.uk/cron.php >/dev/null  2>&1

[Note: The file cron.php is running every minute, tested with ukfast.co.uk hosting]

5. To open crontab in Edit mode

[root@xxx ~]# crontab –e

Press I to INSERT
Enter the cronjobs like

*   *  *   * *  lynx -source http://www.domain.co.uk/cron.php >/dev/null  2>&1
*   *  *   * *  lynx -source http://www.domain.co.uk/birthdaymailer.php >/dev/null  2>&1

Or you can write cron jobs path like this too

* * * * * /usr/bin/php /var/www/vhosts/domain.co.uk/httpdocs/process.php 2>&1 >/dev/null

Press ESC
Press Shift+;
Type : wq

6. To recheck crontab

[root@xxx ~]# crontab –l

PHP code:

<?php
//function to check if the local machine has internet connection
function checkConnection()
{
	//Initiates a socket connection to www.itechroom.com at port 80
	$conn = @fsockopen("www.itechroom.com", 80, $errno, $errstr, 30);
	if ($conn)
	{
		$status = "Connection is OK";
		fclose($conn);
	}
	else
	{
		$status = "NO Connection<br/>\n";
		$status .= "$errstr ($errno)";
	}
	return $status;
}
echo checkConnection();
?>

According to its website Connectify.me:
Connectify is a free and easy to use software router for Windows 7 computers. With Connectify, users can wirelessly share any Internet connection: a cable modem, a cellular card, or even another Wi-Fi network. Other Wi-Fi enabled devices including laptops, smart phones, music players, and gaming systems can see and join your Connectify hotspot just like any other Wi-Fi access point and are kept safe and secure by password-protected WPA2 Encryption.

Download it from here or visit the website for more.

Enjoy !!