Iman's Page - Linux

Symfony2 and SQLite3 or PDO_SQLite extension error

Iman — Sun, 18 Sep 2011 14:56:04 +0000

If you are getting

You need to enable either the SQLite3 or PDO_SQLite extension for the profiler to run properly

To resolved it install the php5-sqlite

sudo apt-get install php5-sqlite

#restart the apache

sudo /etc/init.d/apache2 restart

Installing Nodejs, NPM and Google V8 on UBUNTU

Iman — Sun, 18 Sep 2011 13:45:14 +0000

A) Install the essential compilers, packages and Google V8

sudo apt-get update

sudo apt-get install build-essential curl openssl libv8-2.0.3

B) Download and install the Nodejs from source

wget http://nodejs.org/dist/node-v0.4.11.tar.gz

gunzip node-v0.4.11.tar.gz

tar -xf node-v0.4.11.tar

cd  node-v0.4.11

./configure

make

make install

C) Installing the NPM

curl http://npmjs.org/install.sh | sh

Here is the lazy script to get things installed smoothly in your UBUNTU machine.

URL rewriting and add www to .htaccess for hosting multiple domain or multi sites

Iman — Mon, 08 Feb 2010 13:43:33 +0000

Adding the www to URL in .htaccess for hosting multiple domain or multisites and handle www issue for canonical URLs.

    ##Adding the www

    RewriteCond %{HTTP_HOST} !^www\. [NC]

    RewriteCond %{HTTP_HOST} ^(.*)$ [NC]

    RewriteRule ^(.*)$ "http://www.%1/$1" [L,R=301]

The other way around you can removing the www from URL.

Remove www and rewrite URL for multi-sites or subdomains in .htaccess

Iman — Fri, 05 Feb 2010 16:29:03 +0000

If you are running a Multisites or Subdomains sites this .htaccess RewriteRule code might come in handy specially for purpose of SEO. You can clean up your URL from http://www.yourdomain.com to http://yourdomain.com and remove the “www” with 301 redirect to non-www.

RewriteEngine on

RewriteCond %{HTTP_HOST} ^www\.(.+)$ [NC]

RewriteRule ^(.*)$ http://%1/$1 [L,R=301]

If you want to add the www to URLs check this out.

Convert Linux/Unix timestamp to human readable format in PHP

Iman — Tue, 25 Aug 2009 17:07:32 +0000

This functin will help to convert the Linux/Unix timestamp to human readable format:

function unix_timestamp_to_human ($timestamp = "", $format = 'D d M Y - H:i:s')

{

    if (empty($timestamp) || ! is_numeric($timestamp)) $timestamp = time();

    return ($timestamp) ? date($format, $timestamp) : date($format, $timestamp);

}

$unix_time = "1251208071";

echo unix_timestamp_to_human($unix_time); //Return: Tue 25 Aug 2009 - 14:47:51

How to find file or folder location in Linux/Unix usnig bash command line

Iman — Wed, 29 Jul 2009 09:59:54 +0000

Use this grep commend

locate apache | egrep "\/apache$"

Example:

[myserver]$: locate apache | egrep "\/apache$"

[myserver]$: /usr/local/dh/apache