functionality

Can Websense filter Internet requests from a Macintosh?

Starting with version 5.2, Websense Enterprise supports Web filtering of end users running Macintosh computers within customer organizations. This article provides the requirements and restrictions for providing this filtering. This support includes end-user Web browsing and the use of network-based applications such as streaming media players, peer-to-peer clients, and instant messaging clients. With the exception [...]

How to Perform mkdir and cd using a single command

Linux: Perform mkdir and cd using a single command If users are creating a new directory, they may cd to the new cirectory immediately to perform some work as shown below. Perform mkdir and cd using a single command: # mkdir -p /tmp/subdir1/subdir2/subdir3 # cd /tmp/subdir1/subdir2/subdir3 # pwd /tmp/subdir1/subdir2/subdir3 Add the following to the  .bash_profile [...]

How to Copy Any Movie DVD to Hard Disk Easily!

DVDSmith Movie Backup is DVD Decrypter and DVD copying software to copy entire DVD movie to hard disk, and removes all the protections (CSS, RC, RCE, APS, UOPs and Sony ARccOS) while copying. With DVDSmith Movie Backup you can make clones of your favorite DVD movies hard drive with just a few clicks — either [...]

How to Restart Windows without Restarting your Computer

Choosing Shut Down from the Start Menu gives you several choices, including restarting your computer. However, to restart Windows without restarting your computer, saving time and aggravation, follow this step: One time: Hold down the Shift key while pressing OK in the Shut Down box. To make an icon on your desktop: Using a text [...]

How to Create a Shutdown Shortcut on Your Desktop

Below you will find instructions on how to create such a shortcut on your desktop. You can also view the one pager by clicking on the pic tutorial icon. As always comments/suggestions are always welcome. 1.Right-click your Desktop Computer and select New > Shortcut from the drop down menu 2. In the browse box type: SHUTDOWN -s -t 01, click Next [...]

How to use netstat Command for checking your network configuration and activity

netstat is a useful tool for checking your network configuration and activity. It is in fact a collection of several tools lumped together. We discuss each of its functions in the following sections. When you invoke netstat with the –r flag, it displays the kernel routing table in the way we’ve been doing with route. On vstout, it produces: # netstat -nr [...]

How to use Ifconfig Command in Linux

Ifconfig is used to configure the kernel-resident network interfaces. It is used at boot time to set up interfaces as necessary. After that, it is usually only needed when debugging or when system tuning is needed. To get a quick look at all the network cards on your system that are ‘up’ (meaning they are [...]

How to configure single IP Addresses in IPtables

Opening up a whole interface to incoming packets may not be restrictive enough and you may want more control as to what to allow and what to reject. Lets suppose we have a small network of computers that use the 192.168.0.x private subnet. We can open up our firewall to incoming packets from a single [...]

How to Install Elgg – An open, flexible social networking engine

Elgg is an open, flexible social networking engine, designed to run at the heart of any socially-aware application. Building on Elgg is easy, and because the engine handles common web application and social functionality for you, you can concentrate on developing your idea. Elgg is open source. That means, when you use Elgg, you have [...]

How to Improve MySQL Replication Performance

  As the number of slaves connecting to a master increases, the load, although minimal, also increases, as each slave uses up a client connection to the master. Also, as each slave must receive a full copy of the master binary log, the network load on the master may also increase and start to create [...]

How to configure xinetd package in fedora

 xinetd, the eXtended InterNET Daemon, is an open-source daemon which runs on many Linux and Unix systems and manages Internet-based connectivity. It offers a more secure extension to or version of inetd, the Internet daemon. xinetd performs the same function as inetd: it starts programs that provide Internet services. Instead of having such servers started [...]

Using teaming adapters with network load balancing may cause network problems

Some hardware manufacturers offer fault tolerance with their network adapters and accompanying drivers. Fault tolerance technology lets you group network adapter ports for a connection to a single physical segment. If connectivity through one port does not work, another port is opened automatically. This operation is transparent to the operating system and other devices on [...]

How to Install and Configure SafeSquid

The name SafeSquid®, suggests that it is built out of Squid. However that is not true! Squid is an excellent Caching Proxy server built by an entirely different team of people and maintained at http://www.squid-cache.org  SafeSquid was originally conceived as an add-on plug-in for Squid,  with a simple objective of merely enhancing the filtering capabilities [...]

How to Install Imagemagick on CentOS

ImageMagick® is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (over 100) including DPX, EXR, GIF, JPEG, JPEG-2000, PDF, PhotoCD, PNG, Postscript, SVG, and TIFF. Use ImageMagick to translate, flip, mirror, rotate, scale, shear and transform images, adjust image colors, apply [...]