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Internet Sharing using a Linux box

Post date: April 12, 2005, 17:04 Category: Network Views: 2738 Comments
Tutorial quote: This small how-to will walk you through sharing your internet connection using Linux box.
Linux

Linux System Calls

Post date: April 12, 2005, 17:04 Category: Miscellaneous Views: 2960 Comments
Tutorial quote: Tutorial about Linux system call implementation and adding a new system call in Linux.
Linux

Linux stateful firewall design

Post date: April 12, 2005, 17:04 Category: Network Views: 2984 Comments
Tutorial quote: This tutorial shows you how to use netfilter to set up a powerful Linux stateful firewall. All you need is an existing Linux system that's currently using a Linux 2.4.x or 2.6.x kernel. A laptop, workstation, router or server with at a Linux 2.4.x or 2.6.x kernel will do. You should be reasonably familiar with standard network terminology like IP addresses, source and destination port numbers, TCP, UDP and ICMP, etc. By the end of the tutorial, you'll understand how Linux stateful firewalls are put together and you'll have several example configurations to use in your own projects.
Linux

Grub From the Ground Up

Post date: April 12, 2005, 17:04 Category: Software Views: 3367 Comments
Tutorial quote: Grub is a world-class boot loader with insufficient documentation. In many ways it blows the doors of LILO. For instance, it's MUCH easier to use Knoppix to rebuild a grub boot loader than to rebuild a LILO boot loader. However, until you're comfortable with grub, it might seem just the opposite. All too often grub dumps you at a grub> prompt with no hint of what you should do. You might have heard that a successful reboot is just three commands away, but which commands? The state of grub's documentation is such that you can't figure it out unless you already know grub.

That catch 22 is the very purpose of this document. This document will to give you enough grub expertise that you can create a grub boot floppy on a working machine with grub installed (not necessarily as the bootloader, just installed), and use that floppy to bust back into a Linux machine with a blown bootloader, and then use that floppy to actually install grub as the bootloader.

This document does not discuss using grub to boot or dual boot Windows, mach, BSD, or other non-Linux operating systems. I might write on that subject later. But in the meantime, once you're familiar with the principles and practices of grub, given some study of existing documentation you'll probably be able to use grub to boot non-Linux operating systems.
Linux

Introduction to Linux files

Post date: April 12, 2005, 16:04 Category: Miscellaneous Views: 3090 Comments
Tutorial quote: This newbie-level Linux tutorial is an introduction to handling files from the Linux command line. It will cover finding files, determining their type, renaming, copying, examining their attributes, reading their contents, and, in the case of binary files, how to get clues to learn something more about them. Further reading will be suggested for editing files since that topic is beyond the scope of this article.
Linux

Migrate your Linux Web site to another hosting company

Post date: April 12, 2005, 16:04 Category: Miscellaneous Views: 3115 Comments
Tutorial quote: The Web site hosting business has become more competitive in recent years. If you can find a better hosting deal, you may be able to save money by switching hosting providers. But what's the best way to move your Web site? What if you have a virtual private server (VPS) hosting several domains? What about PHP and your SQL data? The thought of moving may be daunting, but moving servers is not difficult if you plan properly. Here's how.
Linux

Apt-For-RPM-Howto

Post date: April 12, 2005, 16:04 Category: System Views: 3489 Comments
Tutorial quote: In this short tutorial I will show how to install and use Debian's package manager apt on various rpm-based distributions like Fedora, Mandrake (or Mandriva, they changed their name...), RedHat, SUSE, and Yellow Dog Linux. apt for rpm is also known as apt4rpm, or aptrpm.
Linux

Optimizing Linux filesystems

Post date: April 12, 2005, 07:04 Category: Benchmarks Views: 4178 Comments
Tutorial quote: Last time we introduced a few common Linux filesystems and examined their features. If you've already installed Linux, your partitions are already set up and configured with particular filesystems, but you may decide you want to modify this configuration. What's the best way to begin?
Linux

Benchmarking Maildir Delivery on Linux Filesystems

Post date: April 12, 2005, 07:04 Category: Benchmarks Views: 3716 Comments
Tutorial quote: The goal of this set of benchmarks is to determine which of the leading Linux filesystems (ext2, ext3, ReiserFS, and XFS) offer the best performance when used for accepting maildir deliveries. The resulting system should be a good balance of delivery and retrieval performance under potentially high concurrent filesystem load.
Linux

Benchmarking Filesystems

Post date: April 12, 2005, 07:04 Category: Benchmarks Views: 3593 Comments
Tutorial quote: I recently purchased a Western Digital 250GB/8M/7200RPM drive and wondered which journaling file system I should use. I currently use ext2 on my other, smaller hard drives. Upon reboot or unclean shutdown, e2fsck takes a while on drives only 40 and 60 gigabytes. Therefore I knew using a journaling file system would be my best bet. The question is: which is the best? In order to determine this I used common operations that Linux users may perform on a regular basis instead of using benchmark tools such as Bonnie or Iozone. I wanted a "real life" benchmark analysis. A quick analogy: Just because the Ethernet-Over-Power-Lines may advertise 10mbps (1.25MB/s), in real world tests, peak speed is only 5mbps (625KB/s). This is why I chose to run my own tests versus using hard drive benchmarking tools.
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