Network
In general, the term network can refer to any interconnected group or system.
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I received a lot of feedback regarding the last article on SSH. I'd like to thank those users who sent URLs for configuring SSH and their favorite SSH utilities. There is definitely a plethora of...
So far in the cryptosystems series, we have taken a look at
general cryptographic terminology and the SSH cryptosystem
(including configuration). In today's article, I'll start off
with how...
Arguments abound between system administrators as to the
correct way to back up a network of Unix hosts. Some argue that
tapes are the answer, while others lean toward more modern
means, such...
In my previous article, I introduced some of the benefits to be gained by using a proxy. In today's article, I'd like to concentrate on HTTP proxies. We'll take a look at some of the HTTP proxies...
In my previous article, I demonstrated the configuration of several HTTP proxies. In this article, I'd like to finish up the proxy series by concentrating on an example SMTP proxy.
Unix permissions are flexible and can solve almost any access control problem, but what about the ones they can't? Do you really want to make a group every time you want to share a file with another...
You don't have to become expert in XML to use SOAP. For most programmers, SOAP is just a technique for distributed computing. You write a function call on your computer here, and it retrieves a...
In my previous XML-RPC article, I showed how to access the Meerkat XML-RPC server (written in PHP) from Python. This time around, we will go behind the scenes to view the structure of an XML-RPC...
Every UNIX administrator is familiar with inetd, the daemon that manages most incoming network connections through a centralized configuration file (inetd.conf). The xinetd daemon is a replacement...
This article introduces Txt2Html, a public-domain working project created by David to illustrate programming techniques in Python. Txt2Html is a "Web-based filtering proxy" -- a program that reads...
Learn how to improve the swap performance on your Linux server by several orders of magnitude. Author Daniel Robbins takes you through this quick tip on getting the most from your server.
Samba is an incredible tool for anyone who uses both Unix and Windows. By implementing the SMB/CIFS protocol for Unix, Samba allows Unix systems to share their resources with standard Windows clients...
Hey, you with that old Pentium machine! Don't toss it away because it looks underpowered compared to all the fancy new hardware. It can have a second life as a firewall for your small business or...
When the ability to write and modify your own management software is the main objective, a custom-built wireless access point is the way to go. Take a look at what's involved in building a wireless...
Twisted is an increasingly popular pure-Python framework for programming network services and applications. While there are a large number of loosely coupled modular components within Twisted, a...
Emulations of a wide variety of operating systems are available for Linux. More than mere academic exercises, these "hosted OSes" are practical investments for many server rooms. One of the best...
