DHCP

How to Configure interface automatically with DHCP in Solaris

Solaris can request IP address and other networking information dynamically with DHCP. To permanently make an interface, for example hme0, obtain its IP address through DHCP, use the touch command to create the following two empty files as root: touch /etc/dhcp.hme0 touch /etc/hostname.hme0 When you reboot, the interface will be dynamically configured. To bring up [...]

How to Use DNS servers with DHCP – Windows Server 2003

When installing the Windows Server 2003 DHCP service, you can configure the server to perform updates on behalf of its DHCP clients to any Domain Name System (DNS) servers that support dynamic updates. How DHCP/DNS update interaction works The DHCP server can be used to register and update the pointer (PTR) and host (A) resource records [...]

How to configure DHCP client in Sun Solaris

Setting up a Sun Solaris Server to receive its IP address from a DHCP Server is fairly straight forward and is infact just a matter of setting up files on your Solaris Server. Ensure that every interface that is up and connects to a network has a file /etc/hostname.interface file created say /etc/hostname.pcn0 where pcn0 [...]

How does DHCP affect the Websense Subscription level

Websense counts the number of new or unique IP addresses it sees on a daily basis. A table of these IP addresses is built in memory. This table is cleared automatically when a successful Master URL database download occurs. The default setting is to download the Master URL database nightly. On a network with DHCP, [...]

How to Configur a DHCP Scope

To configure the DHCP scope, you must log on as administrator. Configuring the DHCP scope supplies the DHCP client with the range of IP addresses from which the server draws from and a subnet mask to be assigned to clients.  The DHCP Server provides:  Default gateway address Domain Name Service server addresses WINS server addresses [...]

How to Install the DHCP Server Service -Windows Server

Prior to installing the DHCP service, you must log on as administrator from the primary domain controller. To install the DHCP Server service, follow these steps:  Run Control Panel and choose Network. Choose Add Software. In the Add Network Software dialog box, select TCP/IP Protocol And Related Components, and then choose Continue. The Windows NT [...]

How to – Network Configuration for DHCP Using the Command Line

Load the proper module(driver) for your ethernet card: The list of compiled ethernet card drivers that come with your system are usually located under /lib/modules/2.2.14-5.0/net where 2.2.14-5.0 is your kernel version. The source code for these drivers are usually located at /usr/src/linux-2.2.14/drivers/net again where 2.2.14 is the kernel version you are running. Sometimes the comments at the beginning of the source [...]

How to Restrict access to Usermin

 By default Usermin will accept connections from any IP address. Even though it is password-protected, you should limit access to only legitimate client systems if possible, so that an attacker from outside your network cannot even attempt to login. The steps to follow to do this are :   Click on IP Access Control on [...]

How to Change DHCP to Static IP Address on Ubuntu Server

Changing this setting without a GUI will require some text editing, but that’s classic linux, right? Let’s open up the /etc/network/interfaces file. I’m going to use vi, but you can choose a different editor sudo vi /etc/network/interfaces For the primary interface, which is usually eth0, you will see these lines: auto eth0 iface eth0 inet [...]

Essential Linux Server Administrator Commands

Command Summary Use arp Command mostly used for checking existing Ethernet connectivity and IP address Most common use: arp This command should be used in conjunction with the ifconfig and route commands. It is mostly useful for me to check a network card and get the IP address quick. Obviously there are many more parameters, [...]

How to Build a diskette-based bandwidth management system – PicoBSD

Many users, despite having a good Net connection, complain about poor surfing and download speeds. While an organization could pay for additional bandwidth, a better option might be to manage the bandwidth they already have. There are numerous bandwidth management software tools available. In this article we will explore managing network bandwidth using the dummynet [...]

How to Configure a DHCP Client in Red Hat Linux

The first step for configuring a DHCP client is to make sure the kernel recognizes the network interface card. Most cards are recognized during the installation process, and the system is configured to use the correct kernel module for the card. If you install a card after installation,Kudzu should recognize it and prompt you to configure [...]

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 Setup and Install Robusts and Highly Configurable BackupPC

Considering the high-end rising PCs and storage capacity nowadays, it is now practical and cost effective to do backup management and administration to server’s local or network storage disk, not like decades ago where you would buy a very costly tape backup drive to backup small enteprise scaled data. This is where we cover BackupPC. [...]