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Linux

Upstream Provider Woes? Point the Ping of Blame

Post date: April 14, 2005, 12:04 Category: Network Views: 2899 Comments
Tutorial quote: Your users are complaining that "the Internet is, like, all slow." Users are always complaining, but you're seeing a lot of timeouts when you check mail, surf the Web, or try to log in for remote administration. Or even worse, latency is so bad that you keep getting killed all to heck in your favorite gory violent online multi-player game, so you know there is a problem. But there a lot of potential bottlenecks between your PC and the outside world, like your Internet gateway, proxy server, firewall, Internet service provider, and so forth, so where do you begin?

One of the best and most versatile network tools you can have is a notebook PC running Linux. This lets you plug in anywhere to run tests and find out what is going on. Make it a nothing-to-lose box--don't keep data on it so you can wipe and reinstall the operating system as necessary, because you want to be able to run tests outside of firewalls. Don't run any services. You can put a minimal iptables firewall on it, as there is no point in being totally exposed, but keep it simple. (Use MondoRescue to make a system snapshot for fast restores.)
Ubuntu

Step By Step Ubuntu 9.04 (Jaunty) LAMP Server Setup

Post date: May 12, 2009, 07:05 Category: Benchmarks Views: 7756 Comments
Tutorial quote: In around 15 minutes, the time it takes to install Ubuntu Server Edition, you can have a LAMP (Linux,Apache, MySQL and PHP) server up and ready to go. This feature, exclusive to Ubuntu Server Edition, is available at the time of installation.The LAMP option means you don’t have to install and integrate each of the four separate LAMP components, a process which can take hours and requires someone who is skilled in the installation and configuration of the individual applications.
Linux

vimdiff - Edit two or Three versions of a file with Vim and show differences

Post date: April 8, 2009, 06:04 Category: System Views: 4465 Comments
Tutorial quote: Vimdiff starts Vim on two (or three) files. Each file gets its own window. The differences between the files are highlighted.This is a nice way to inspect changes and to move changes from one version to another version of the same file.

Linux

NFS over CIPE-VPN tunnels

Post date: May 23, 2005, 16:05 Category: Network Views: 3388 Comments
Tutorial quote: The Network File System (NFS) is a standard protocol for sharing file services with Linux and Unix computers. It is a distributed file system that enables local access to remote disks and file systems and is based on the client\server architecture. Although easy to configure, it is typically used only to transfer data over an intranet or LAN because of its transparency and security potholes when exposed to the risks of the Internet. However, it still can be employed -- without compromising security -- to share files over the Internet by configuring it to run on a Virtual Private Network (VPN) connection. This article will show you how to set up NFS to run over a CIPE-VPN connection between two Linux systems.
PC-BSD

The Perfect Desktop - PC-BSD 1.5

Post date: March 20, 2008, 12:03 Category: Desktop Views: 9375 Comments
Tutorial quote: This document describes how to set up PC-BSD v1.5. This release is based upon FreeBSD 6.3 and uses KDE 3.5.8 as default desktop environment. Taken from the PC-BSD page: PC-BSD is a complete desktop operating system, which has been designed with the "casual" computer user in mind. It offers the stability and security that only a BSD-based operating system can bring, while as the same time providing a comfortable user experience, allowing you to get the most out of your computing time. With PC-BSD you can spend less time working to fix viruses or spyware and instead have the computer work for you.
Linux

Linux 2.6: Compiling and Installing

Post date: April 15, 2005, 22:04 Category: System Views: 3348 Comments
Tutorial quote: We'll look at the process of compiling and installing a new kernel safely, without overwriting the existing kernel.

You can install as many kernels as you like on a Linux system, and select the one you want to run at boot time. This makes it easy to test different kernels, and different kernel configurations, with particular sets of hardware or applications. The wise network admin always tests new kernels before running them on production machines.
Gentoo

Share Directories via AFP

Post date: October 20, 2006, 17:10 Category: Network Views: 8174 Comments
Tutorial quote: This HOWTO is mainly geared towards PPC users or users who need to share files between Linux and Tiger 10.4. As you're probably aware, Apple SMB is broken in Tiger and God only knows how long it'll take them to fix it. So this is an alternative that's both easier and provides faster file transfers under OS X's native file transport protocol, AFP (Apple File Protocol).
Debian

Setting Up Unison File Synchronization Between Two Servers On Debian Squeeze

Post date: August 9, 2011, 08:08 Category: Installing Views: 2564 Comments
Tutorial quote: This tutorial shows how to set up file synchronization between two Debian Squeeze servers with Unison. Unison is a file-synchronization tool similar to rsync, but the big difference is that it tracks/synchronizes changes in both directions, i.e., files changed on server1 will be replicated to server2 and vice versa.
Unix+clones

Tunneling SSH over HTTP(S)

Post date: March 12, 2006, 09:03 Category: Network Views: 3947 Comments
Tutorial quote: This document explains how to set up an Apache server and SSH client to allow tunneling SSH over HTTP(S). This can be useful on restricted networks that either firewall everything except HTTP traffic (tcp/80) or require users to use a local (HTTP) proxy.
Linux

How to restore deleted file on ext2

Post date: December 15, 2006, 19:12 Category: System Views: 3552 Comments
Tutorial quote: This text describes the steps needed do recover the data of a file that was recently deleted.
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