Linux® Quick Fix

Almost all computers are now networked in some way to other devices; therefore, a basic understanding of networking and issues related to the topic will be essential to feeling comfortable with Linux servers. This introductory chapter forms the foun...

The Open System Interconnection (OSI) model, developed by the International Organization for Standardization, defines how the various hardware and software components involved in data communication should interact with each other. A good analogy wou...

One component of TCP/IP is the Internet Protocol (IP), which is responsible for ensuring that data is transferred between two addresses without being corrupted. For manageability, the data is usually split into multiple pieces or packets, each with ...

The Internet Assigned Numbers Authority (IANA) is the organization responsible for assigning IP addresses to Internet Service Providers (ISPs) and deciding which ones should be used for the public Internet and which ones should be used on private net...

Subnet masks are used to tell which part of the IP address represents the network on which the computer is connected (network portion) and the computer's unique identifier on that network (host portion). The term netmasks is often used interchangeabl...

TCP/IP can be quite interesting, but knowledge of the first two layers of the OSI model is important, too, because without them, even the most basic communication would be impossible. There are very many standards that define the physical, electrica...

Network Interface Cards Your network interface card is also frequently called a NIC. Currently, the most common types of NIC used in the home and office are Ethernet and wireless Ethernet cards. The Meaning of the NIC Link Light The link light s...

Knowledge of FTP is especially important and is a primary method of downloading software for Linux systems. There are a number of commercially available GUI-based clients you can load on your PC to do this, such as WSFTP and CuteFTP. You can also us...

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