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Gentoo Bandwidth limiting howto
Post date: June 12, 2005, 22:06 Category: Network Views: 120
Tutorial quote: Linux has a very powerful mechanism for controlling network bandwidth usage. As being powerful inevitably implies being complex, this feature is documented in lengthy and exhaustive documents in great details. These documents however can prove to be excessive in their length and language to users who are looking for simple solutions for simple questions. This guide aims to give a short and practical introduction on how to solve some common issues that users tend to experience on an everyday basis.
Linux The PartImage Handbook
Post date: May 21, 2005, 11:05 Category: Software Views: 43
Tutorial quote: - Partition Image is a Linux/UNIX partition imaging utility: it saves partitions formatted using the Ext2FS (the linux standard), ReiserFS (a new journaled and powerful file system), JFS IBM journaled file systems from AIX, NTFS (Windows NT File System), FAT16/32 (DOS & Windows file systems), or HPFS (OS/2 file system) file system formats to an image file. Only used blocks are copied. The image file can be compressed in the GZIP/BZIP2 formats to save disk space, and split into multiple files to be copied on removable media (ZIP for example), or burned on a CD-R ...

- This allows the user to save a full Linux/Windows system, with a single operation. When problems occur (viruses, crash, error, ...), you just have to restore, and after several minutes, all your system is restored (boot, files, ...), and fully working.

- This is very useful when installing the same software on many machines: just install one of them, create an image, and then restore the image on all other machines. After the first one, each subsequent installation can be made automaticaly, and only requires a few minutes.
Unix+clones How To Set Up Database Replication In MySQL
Post date: December 14, 2005, 14:12 Category: Software Views: 81
Tutorial quote: This tutorial describes how to set up database replication in MySQL. MySQL replication allows you to have an exact copy of a database from a master server on another server (slave), and all updates to the database on the master server are immediately replicated to the database on the slave server so that both databases are in sync. This is not a backup policy because an accidentally issued DELETE command will also be carried out on the slave; but replication can help protect against hardware failures though.

In this tutorial I will show how to replicate the database exampledb from the master with the IP address to a slave. Both systems (master and slave) are running Debian Sarge; however, the configuration should apply to almost all distributions with little or no modification.
Ubuntu Installing Windows XP/2000 in Free VMWare Player
Post date: November 27, 2005, 12:11 Category: Miscellaneous Views: 216
Tutorial quote: This guide will allow you to install Windows XP or 2000 solely with the VMWare Player. For the uninitiated, VMWare released a free application that allows users to run, but not create virtual machines. Using QEMU, we will create an environment suitable for use with the player.

As a side-note, I'd like to point out that VMWare makes quality software. If you require additional functionality, consider upgrading to Workstation.
Unix+clones Configuring Apache for Maximum Performance
Post date: February 12, 2006, 04:02 Category: Optimizing Views: 37
Tutorial quote: Apache is an open-source HTTP server implementation. It is the most popular web server on the Internet; the December 2005 Web Server Survey conducted by Netcraft [1] shows that about 70% of the web sites on Internet are using Apache.

Apache server performance can be improved by adding additional hardware resources such as RAM, faster CPU, etc. But most of the time, the same result can be achieved by custom configuration of the server. This article looks into getting maximum performance out of Apache with the existing hardware resources, specifically on Linux systems. Of course, it is assumed that there is enough hardware resources - especially enough RAM that the server isn't swapping frequently. First two sections look into various Compile-Time and Run-Time configuration options. The Run-Time section assumes that Apache is compiled with prefork MPM. HTTP compression and caching is discussed next. Finally, using separate servers for serving static and dynamic contents is covered. Basic knowledge of compiling and configuring Apache and Linux are assumed.
IPCop Setup your own VPN with IPCop and OpenVPN
Post date: March 30, 2006, 12:03 Category: Network Views: 37
Tutorial quote: I ’m a huge fan of IPCop. It’s a great firewall distro that makes administration a snap using a slick web interface. My goal was to use IPCop and an easy-to-use VPN client to allow access to my LAN while away from home.

I ended up going with the ZERINA OpenVPN addon for IPCop and the OpenVPN GUI for Windows.

If you’ve ever wanted full, secure, encrypted access to your LAN from any remote location, here is your guide.

Just follow these ten easy steps…
Linux LCD displays easy to use and easy to build
Post date: May 24, 2005, 14:05 Category: Hardware Views: 113
Tutorial quote: This article presents now the "basic" model: LCD display and 2 buttons; simple and easy to build for everybody.

Lcdproc used to be at the very beginning a program to display some statistics (cpu load, uptime, time, ...) on an external LCD display. Over time it has however evolved into a much more generic solution. Today the lcdproc package contains LCDd, a generic server and LCD driver, plus many clients. One of those clients is still the actual executable called lcdproc which still shows server statistics however there are also others. This client server architecture has the big advantage that you do not need to write your client in a specific language. You just need to use the simple ascii protocol between client and server.
Gentoo Creating a WebDAV server with apache2
Post date: May 26, 2005, 12:05 Category: Network Views: 289
Tutorial quote: I needed a way to share information (both read and write) as easy as possible with friends in a quite restricted environment (firewall). In many cases, WebDAV which uses standard HTTP port 80 for comunication is a good solution for a file server application.
Debian Installing and Configuring Exim4
Post date: February 25, 2006, 07:02 Category: Network Views: 88
Tutorial quote: Installion of Exim4 from the latest Debian GNU/Linux packages is easy. The installation is now based around debconf. If you are upgrading from a simple Exim3 configuration, you can use exim_convert4r4 to convert your configuration file to the new format. If you used the previous version of this guide, which covered Exim3, the conversion should succeed without incident. I intend to discuss configuration via debconf, including setting up local delivery to Maildir format, handling local domain email, and configuring smarthosting for outbound email.
Linux Secure your Server with iptables
Post date: April 20, 2005, 07:04 Category: Security Views: 96
Tutorial quote: Central to securing a Linux server that's connected to the Internet is having a good firewall and specific policies in place. Numerous options exist for those considering firewalls for Linux, however, a free and included solution is onoffer through Netfilter and iptables.