June, 2010

How to Compile and install software from source in Linux

Installing from source code is the most difficult method for obtaining software on Linux and in most cases is not necessary.Typically applications you must compile from source will come as a “.tar.gz”, “.tar.bz2″, or “.zip” file. First you have to download the software and extract the same to a folder. This first command will generates [...]

How to Unpack an archive in Linux

Extract a gzip compressed tar archive in Linux The commonly employed archive types on Linux and Unix systems are tar, tar.gz and tar.bz2 archives. Note that tar.gz and tar.bz2 archives are simply gzip-ped and bzip(2)-ped tar archives, respectively. Working with these files is made very simple through the use of GNU tar utility, which is [...]

Porn sites closer to .xxx Web address

It may soon be easier to block Internet porn: The agency that controls domain names said Friday it will consider adding .xxx to the list of suffixes people and companies can pick when establishing their identities online. The California-based nonprofit agency, ICANN, effectively paved the way for a digital red light district to take its [...]

SSH Brute Force Attacks Resurface

Security experts are warning about a fresh round of attacks against SSH implementations. The attacks are brute-force attempts to authenticate to remote SSH servers, a tactic that has been used quite often in the past in distributed attacks. The attacks, which the handlers at the SANS Internet Storm Center have been following, are simple and [...]

How to safeguard the servers against SSH Brute Force Attacks

Below are the hardening steps recommended to safeguard the servers against such attacks. Hardening steps 1. Ensure Required Hardening done on the server. –> Enable tcp wrappers –> Enable iptables –> Stop unwanted services –> In case of NFS, only allow export import of folders to specific users & hosts. 2. Direct root access on [...]

How to Synchronize Windows Server 2003 Domain controller With An External Time Source

It is very Important to Synchronize your Domain with an external NTP server to keep the time up to date. I was actually using My domain controller as a NTP Server for all my network. The network is having windows as well as Linux systems.  Some of My servers are Database servers so the time [...]

How to change TimeZone in your Linux Server – RHEL/Fedora

There are couple of ways by which you can change time zone in your Linux box. One of my server was running EDT time zone actually i need to set it to IST.  The easiest way to change timezone by typing the following commnad mv /etc/localtime /etc/localtime.old && ln -s /usr/share/zoneinfo/Calcutta /etc/localtime The above example [...]

How to Enable compression on Godaddy Shared Hosting

Compression is a simple, effective way to save bandwidth and speed up your website in Linux Shared Hosting. By adding a piece of PHP code to the top of your Web pages, you can instruct the Web server to compress files for transit to your visitors’ Web browser. This is especially useful for text-heavy Web [...]

How to enable Browser Caching on Godaddy Shared Hosting

After Google announcing speed as the matter of page rank all are on the run to do better for there sites. Browser caching is one of the main thing. Browser caching is all about  Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from [...]

How to Configure and Setup a Sendmail Server – A step by step Guide

Sendmail server comes default with Linux flavors.  Sendmail is an email routing application for Linux operating systems.Sendmail is a general purpose internetwork email routing facility that supports many kinds of mail-transfer and -delivery methods, including the Simple Mail Transfer Protocol (SMTP) used for email transport over the Internet. Sendmail is the most popular mail transfer agent (MTA) on [...]

First Look at The Apple iPhone 4 – Apple redefines what a phone can do

FaceTime brings you phone calls like you’ve never seen before. Text and images look amazing on the Retina display — the highest-resolution screen ever on a phone. A 5-megapixel camera with LED flash and HD video recording and editing let you shoot and share from anywhere. People have been dreaming about video calling for decades. [...]

The Quirkat Fantasy Football World Cup 2010 application

The Quirkat Fantasy Football World Cup 2010 application, which is available in Arabic, English and French, includes all of the usual features found in fantasy sports games, including all 736 players from the 32 teams participating in this summer’s FIFA World Cup in South Africa, and the ability to play in leagues against friends. The [...]

Architecture: BlackBerry Enterprise Server

A BlackBerry® Enterprise Server consists of various components that are designed to perform the following actions: provide productivity tools and data from your organization’s applications for your BlackBerry device users monitor other BlackBerry Enterprise Server components process, route, compress, and encrypt data communicate with the wireless network Component Description BlackBerry Administration Service The BlackBerry Administration Service connects to the BlackBerry Configuration Database. You can [...]

Overview: BlackBerry Enterprise Server

The BlackBerry® Enterprise Server is designed to be a secure, centralized link between an organization’s wireless network, communications software, applications, and BlackBerry devices. The BlackBerry Enterprise Serverintegrates with your organization’s existing infrastructure, which can include messaging and collaboration software, calendar and contact information, wireless Internet and intranet access, and custom applications, to provideBlackBerry device users with mobile access to your organization’s [...]

First Look at Blackberry Bold 9700

Compared to the BlackBerry Bold 9000, the 9700 has a lot of improvements. It is a little bit smaller and lighter, works faster and supports more multimedia formats.It has a 3.2-megapixel camera, compared to a 2-megapixel model on the Bold 9000, and its trackpad works much faster than the Bold 9000′s trackball.Like its sibling, the [...]