You can use this procedure to add a user or group as a DHCP administrator at a domain controller. Membership in the Domain Admins group, or equivalent, is the minimum required to complete this procedure. To add a user or group as a DHCP administrator at a domain controller Open Active Directory Users and Computers [...]

To add a user to the DHCP Administrators group In the Active Directory Users and Computers console tree, click Users. In the details pane, double-click DHCP Administrators. In the DHCP Administrators Properties dialog box, click the Members tab, and then click Add. Under Enter the object names to select (examples), type User1, the user name that you created in the preceding [...]

Click Start, point to Administrative Tools, and then click Active Directory Users and Computers. In the console tree, double-click Contoso.com, right-click Users, point to New, and then click User. In the New Object – User dialog box, next to Full name, type User1, and in User logon name, type User1. Click Next. In Password, type the password that you want to use for this account, and in Confirm password, type [...]

A virtual Load Balancer is a relatively new concept in load balancing based on the principle of virtualisation and, more specifically, virtual machines. A virtual machine is a self contained software product including an operating system and application designed to run in a virtual environment such as VMware or Microsoft Virtual Server. Traditionally virtual load [...]

Server health checking is the ability of the load balancer to run a test against the servers to determine if they are providing service. Ping: This is the most simple method, however it is not very reliable as the server can be up whilst the web service could be down. TCP connect:  This is a more [...]

Typically a load balancing method or strategy is used to decide how the load balancer chooses where to send the request. There are many strategies available depending on the vendor, however a few common ones are listed below: Round robin: The most  simple method, each server takes a turn. Least number of connections: The load balancer will [...]

SME Server is a leading Open Source distribution for small and medium enterprises. It is a simple, powerful, secure Linux server for networking and communicating, used by thousands of individuals, companies and organizations all over the world. SME Server provides a friendly, free alternative to expensive proprietary software, standing apart from the competition by shipping [...]

The following Howto describes how to bond two or more network interfaces into on bonded interface in CLEAROS. This is known as IEEE 802.1AX-2008 or under the working group title of 802.3ad. Install the required software packages. yum install bridge-utils Here is an example on how to create a bonded interface with eth1 and eth2 [...]

The latest Firefox 4 Beta is available to test the cool features and improvements in the next version of Firefox. As  Firefox  continue to refine features and performance in Firefox 4 Beta, this release includes faster start-up time, bookmarking and makes complex animations smoother. Firefox 4 Beta is built for the way people use the Web [...]

The stand-alone server running Windows Server 2003 becomes a DNS server for your network. In the first step, you assign this server a static Internet Protocol (IP) address. DNS servers must not use dynamically assigned IP addresses because a dynamic change of address could cause clients to lose contact with the DNS server. Step 1: [...]

Install DNS Open Windows Components Wizard. To do so, use the following steps: Click Start, click Control Panel, and then click Add or Remove Programs. Click Add/Remove Windows Components. In Components, select the Networking Services check box, and then click Details. InSubcomponents of Networking Services, select the Domain Name System (DNS) check box, click OK, and then click Next. If you are prompted, in Copy files [...]

Installing Microsoft DNS Use the following steps to install DNS on your Windows NT 4.0 Server: Click the Start button, point to Settings, and then click Control Panel. Double-click the Network icon, and then click the Services tab. Click Add, select Microsoft DNS Server from the Select Network Service dialog box, and then click OK. [...]

Shows the MySQL commands consuming the greatest time. By default, only non-sleeping threads are shown, the –idle option shows idle threads. While running several keys will affect the operation of mtop. Hitting h or ? will show the available options. Normally, run as a console program this will allow you to see errant or badly [...]

This is an alpha version of this program. Please let me know what you think and what additional features would be nice. Future version will most likely perform the same but have different output. One idea i’ve been thinking about is letting you specify filters which short perl snippets instead of just regexes. This program [...]

John covered many aspects of Twitter’s scaling efforts, including: * Finding the weak points in Ruby on Rails and repairing them * In-house peer-to-peer: High-speed deploys across thousands of machines in no time at all * Managing thousands of machines: Why you need a central machine database, now * User management: How do you onboard [...]