computer

Tips and information about Windows 2000 Group Policies.

What are Group Policies? Group Policies are settings that can be applied to Windows computers, users or both.  In Windows 2000 there are hundreds of Group Policy settings. Group Policies are usually used to lock down some aspect of a PC.  Whether you don’t want users to run Windows Update or change their Display Settings, [...]

50 quick linux command tips part 2

As root 1. How to have a stop watch scenario from command line terminal? # time cat Press Ctrl+C 2. How to measure the time of executing any executable command? # time firefox wait 5 seconds and close the application 3. How to CD to a user’s home directory? # cd ~userhome 4. How to [...]

How to do MAC address packet filtering using IPTables

Media Access Control address (MAC address) or Ethernet Hardware Address (EHA) or hardware address or adapter address is a quasi-unique identifier attached to most network adapters (NICs). It is a number that acts like a name for a particular network adapter, so, for example, the network cards (or built-in network adapters) in two different computers [...]

How to Secure Your Browser with WOT

Why Secure Your Web Browser? Today, web browsers such as Internet Explorer, Mozilla Firefox, and Apple Safari (to name a few), are installed on almost all computers. Because web browsers are used so frequently, it is vital to configure them securely. Often, the web browser that comes with an operating system is not set up [...]

10 Tips for Wireless Home Network Security

1. Change Default Administrator Passwords (and Usernames) At the core of most Wi-Fi home networks is an access point or router. To set up these pieces of equipment, manufacturers provide Web pages that allow owners to enter their network address and account information. These Web tools are protected with a login screen (username and password) [...]

How To Install PHPMyAdmin on Fedora 9

phpMyAdmin is an opensource tool written in PHP intended to handle the administration of MySQL database and table over the web. Currently, phpmyadmin can create and drop databases, create/drop/alter tables, delete/edit/add fields, execute any SQL statement, manage keys on fields, manage privileges, export data into various formats and is being distributed in more than 50 [...]

How to secure router or ADSL modem?

This article written on 20/09/2008 by Dinesh Suryavanshi, Sometimes we ignore little details, which is a bad thing – because others can use our negligence against us.Most routers and ADSL modems come with a web interface that is used to control and configure the device. The administration panel is accessed with a web-browser, and it [...]

Tips to Avoid Spyware and Virus’s

Pay Attention and Read The biggest problem is that most people do not bother to read the fine print, which is where a lot of companies can get you. Taking the extra 30 seconds to read the fine print can save you hours and hundreds of dollars (which would be spent fixing the computer). First [...]

HowTo: Windows XP VPN Into Remote Location

Having a Secured VPN (Virtual Private Networking) server is great, especially for businesses with many offices or if you own two homes. How can you connect to these VPNs free? Well I will tell you. With Windows XP Networking you can connect to any VPN site for free and with ease. There is even a [...]

How to improve performance quickly & easily in Windows Vista

If you’re one of the people that still hasn’t been able to figure out how to tune an installation of Windows Vista for performance (and you call yourself an IT Professional?  <grin>) we’ve made it pretty straight forward for you with this basic guide on “Performance & Tuning” for Windows Vista. Windows Vista and SP1 [...]

Internet Explorer 8 Beta 2 Evaluator’s Guide

Windows Internet Explorer 8 Beta 2 Windows Internet Explorer 8 is the next version of the world’s most popular browser that optimizes developer and end-user experiences to provide a window to the Web of online services. Moreover, Internet Explorer 8 offers new features and functionality that enable customers to reach beyond the page in more [...]

How to Install Windows Vista from a high speed USB 2.0 Flash Drive

WHY INSTALL FROM USB FLASH DRIVE? Why would someone want to install a client OS from a thumb drive instead of a DVDROM or over the network?  One reason:  Performance.  Installing Windows Vista from a high speed USB flash drive is in my experience the easiest & fastest way to complete a Windows Vista install.  This is much [...]

How to uninstall Windows Vista Service Pack 1 (SP1)

Windows Vista Service Pack 1 (SP1) is an important update for Windows Vista. Windows Vista SP1 contains many reliability and usability updates for Windows Vista. After you install Windows Vista SP1, you may notice that a hardware device or an installed program works differently. Therefore, you may want to uninstall Windows Vista SP1 as a [...]

How to Prevent the IIS SMTP Virtual Server from Relaying E-mail Messages

1) Start Internet Information Services Manager or open the Internet Information Services (IIS) snap-in. 2) Expand Server_name, where Server_name is the name of the server, right-click Default SMTP Virtual Server, and then click Properties. 3) Click the Access tab, and then under Access control, click Authentication. 4) Click to select either or both the Basic [...]

Fedora 9: How to change Linux Hostname or Computer System Name

One of the basic requirement of identifying your computer system besides from its IP and MAC address is by its system host name. These host names are used by many of the networking programs to identify the machine. To view your current computer host name, simply type as root # hostname Now, to change your [...]