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PUBLIC MARKS from camel with tag tutorial

December 2008

Simple jQuery Spy Effect | jQuery for Designers - Tutorials and screencasts

by 3 others
The great thing about Realmac's QuickSnapper site is that if JavaScript is turned off, the list of snaps is visible by default. So we'll follow suit. It's also worth noting that their version only keep pulling in new items until it hits the end. I'll show you how you can keep the list looping, and in a follow up tutorial I'll show you how to hook this in to an Ajax hit that doesn't hammer your server and keeps the effect nice and smooth.

November 2008

Setting Up Master-Master Replication On Four Nodes With MySQL 5 On Debian Etch | HowtoForge - Linux Howtos and Tutorials

by 1 other (via)
This tutorial explains how you can set up MySQL master-master replication on four MySQL nodes (running on Debian Etch). The difference to a two node master-master replication (which is explained here) is that if you have more than two nodes, the replication goes in a circle, i.e., with four nodes, the replication goes from node1 to node2, from node2 to node3, from node3 to node4, and from node4 to node1. Since version 5, MySQL comes with built-in support for master-master replication, solving the problem that can happen with self-generated keys. In former MySQL versions, the problem with master-master replication was that conflicts arose immediately if node A and node B both inserted an auto-incrementing key on the same table. The advantages of master-master replication over the traditional master-slave replication are that you don't have to modify your applications to make write accesses only to the master, and that it is easier to provide high-availability because if the master fails, you still have the other master.

Execute commands simultaneously on multiple servers Using PSSH/Cluster SSH/Multixterm -- Ubuntu Geek

If you have multiple servers with similar or identical configurations (such as nodes in a cluster), it’s often difficult to make sure the contents and configuration of those servers are identical. It’s even more difficult when you need to make configuration modifications from the command line, knowing you’ll have to execute the exact same command on a large number of systems . In this tutorial we will see some tools to execute one command on multiple remote servers using ssh.First you need to make sure you have ssh installed in your machine or you can install using the following command

Create an apple style menu and improve it via jQuery | Kriesi.at - new media design

by 2 others
Since I wrote my last tutorial on how to create a CSS only multilevel dropdown menu I got a lot of visitors who wanted to know how I created the main navigation of kriesi.at. (a so called kwicks menu) The interest in extraordinary menus seems to be high nowadays, so today I will teach you how this is done. Since the Apple-flavored Leopard-text-indent style is currently one of my favorite menu styles, we will start from scratch and build such a menu in Photoshop, then create the needed HTML and CSS and last but not least improve it via jQuery.

Create a Photo Admin Site Using PHP and jQuery - NETTUTS

by 2 others (via)
I'm pleased to present you with part one of a two part series on creating a photo site using PHP, jQuery, and AJAX. Originally, I intended to fit the entire tutorial into one screencast, but that quickly became a pipe dream as I realized that there was simply too much to cover. Nevertheless, even if you only watch this first video, you should learn a great deal. We'll be retrieving images from a database, creating a simple login form with authentication, and will then allow for our database to be asynchronously updated. Sounds good? If so, let's get into it.

October 2008

Tutorial: L’Ubuntu ultime sur clé USB

by 2 others (via)
Le but du tutorial qui va suivre est de réaliser une clé USB bootable (4Go dans cet exemple) avec les propriétés suivantes : * Une partition de 2.7 Go dédiés à l’utilisation normale en clé USB visible sous Windows et Linux * Une partition de 800 Mo contenant Ubuntu 8.04.1 Hardy Heron et qui sera totalement invisible sous windows !! * Une dernière partition de 300 Mo servant au mode persistent que je vais expliquer * Un écran de démarrage personnalisé (lors du boot) permettant de sélectionner entre les modes Live, Persistent, Installation…

Drupal Postfix Integration Under Ubuntu 8.04 (Hardy) | HowtoForge - Linux Howtos and Tutorials

his document is derived from Christoph Haas’ tutorial “Howto: ISP-style Email Server with Debian-Etch and Postfix” (http://workaround.org) and Falko Timme’s tutorial “Virtual Users And Domains With Postfix, Courier, MySQL And SquirrelMail (Ubuntu 8.04 LTS)” (http://www.howtoforge.com). The associated Mailfix Drupal module must be installed as part of this tutorial. It will guide you through the necessary steps to configure a Drupal driven Mail server. Provided features: * Drupal managed email accounts * Support for virtual domains * Automatic forwarding * Postfix quota support * Silent BCC monitoring * Other features: anti-spam, anti-virus

July 2008

How To Measure Linux Filesystem I/O Performance With iozone

User contributed tutorial written by Ramesh Natarajan. Following are few situations where you may be interested in performing a filesystem benchmarking. => Deploying a new application that is very read and write intensive. => Purchased a new storage system and would like to measure the performance. => Changing the RAID level and would like to measure the performance of the new RAID. => Changing the storage parameters and would like to know the performance impact of this change

Installing Xen On An Ubuntu 8.04 (Hardy Heron) Server From The Ubuntu Repositories | HowtoForge - Linux Howtos and Tutorials

This tutorial provides step-by-step instructions on how to install Xen on an Ubuntu Hardy Heron (Ubuntu 8.04) server system (i386). You can find all the software used here in the Ubuntu repositories, so no external files (apart from a fixed Ubuntu Xen kernel to enable networking for the virtual machines) or compilation are needed.

June 2008

How To Set Up A Load-Balanced MySQL Cluster With MySQL 5.1 | HowtoForge - Linux Howtos and Tutorials

This tutorial is based on Falko Timme's tutorial for MySQL Cluster 5.0. It shows how to configure a MySQL 5.1 cluster with five nodes: 1 x management, 2 x storage nodes and 2 x balancer nodes. This cluster is load-balanced by an Ultra Monkey package which provides heartbeat (for checking if the other node is still alive) and ldirectord (to split up the requests to the nodes of the MySQL cluster). In this document I use Debian Etch 4.0 for all nodes. Therefore the setup might differ a bit for other distributions. The two data nodes were x64 to use all of the 8GB RAM. Servers were compiled from source so you should be able to make it running on any platform. The MySQL version I use in this setup is 5.1.24-rc. It's a release candidate, but I wanted to use 5.1 to take advantage of Memory-Disk Based tables. Beginning with MySQL 5.1.6, it is possible to store the non-indexed columns of NDB tables on disk, rather than in RAM as with previous versions of MySQL Cluster.

How To Set Up A Loadbalanced High-Availability Apache Cluster Based On Ubuntu 8.04 LTS | HowtoForge - Linux Howtos and Tutorials

This tutorial shows how to set up a two-node Apache web server cluster that provides high-availability. In front of the Apache cluster we create a load balancer that splits up incoming requests between the two Apache nodes. Because we do not want the load balancer to become another "Single Point Of Failure", we must provide high-availability for the load balancer, too. Therefore our load balancer will in fact consist out of two load balancer nodes that monitor each other using heartbeat, and if one load balancer fails, the other takes over silently.

April 2008

» This is How You Get sIFR to Work | Design Intellection

by 2 others
After following this tutorial you will have a basic understanding of how sIFR works and will be able to expand into more advanced areas.

March 2008

Liste de tutos pour Ubuntu | Spalistik

Certains sont utiles, d’autres plus futiles. Certains sont simples, d’autres rentrent dans des détails techniques plus poussés. Bref que vous soyez simple utilisateur ou power-user, voilà une liste de tutoriels pour Ubuntu à garder sous le coude.

woork: Perfect pagination style using CSS

by 5 others (via)
This tutorial explains how to design a pagination for search results or more in general to split a long list of records in more pages. It's a question I often receive, so I decided to publish a very simple post which explains how to design a perfect pagination style using some lines of HTML and CSS code.

February 2008

Manage Apache Download Speed And Traffic Limits With mod_cband | HowtoForge - Linux Howtos and Tutorials

by 2 others
In this tutorial I will describe how to install and configure mod_cband on an Apache2 web server. mod_cband is an Apache 2 module which provides bandwidth quota and throttling. It solves the problem of limiting users' and virtualhosts' bandwidth usage. The current version can set virtualhosts' and users' bandwidth quotas, maximal download speed, requests-per-second speed and the maximal number of simultanous IP connections.

Installing Lighttpd With PHP5 And MySQL Support On Debian Etch | HowtoForge - Linux Howtos and Tutorials

by 1 other
Lighttpd is a secure, fast, standards-compliant web server designed for speed-critical environments. This tutorial shows how you can install Lighttpd on a Debian Etch server with PHP5 support (through FastCGI) and MySQL support.

Reduce Apache's Load With lighttpd On Debian Etch | HowtoForge - Linux Howtos and Tutorials

Lighttpd, sometimes pronounced "Lighty", is a lightweight HTTP server that can help alleviate Apache's load by serving static content. Since Lighttpd uses less resources per request than Apache, it generally serves most static content faster than Apache. This tutorial shows how to install Lighttpd behind Apache via Apache´s proxy module.

Cours sur l'outils Gnu Screen pour #ubuntu-fr-classroom.

Cours sur l'outils Gnu Screen pour #ubuntu-fr-classroom.

January 2008

Apprendre et comprendre jQuery - 1/3 - Babylon-Design - Tutoriaux WebDesign : Adobe Photoshop, XHTML/CSS, Accessibilité

by 5 others
Introduction rapide et en douceur à l'utilisation d’une des bibliothèques JS à la mode. Ou comment ajouter une couche d’interactions simplement et proprement à vos pages. NB : ce billet sera divisé en trois parties.

Tutorial jQuery

by 2 others
jQuery est une bibliothèque javascript open-source et cross-browser qui permet de traverser et manipuler très facilement l’arbre DOM de vos pages web à l’aide d’une syntaxe fortement similaire à celle d’XPath (qui est la syntaxe de manipulation d’arbre XML). jQuery vous permet par exemple de changer/ajouter une classe CSS, créer des animations, modifier des attributs, etc. mais également de gérer les événements javascript ainsi que de faire des requetes AJAX le plus simplement du monde.

Three Ways To Access Linux Partitions (ext2/ext3) From Windows On Dual-Boot Systems | HowtoForge - Linux Howtos and Tutorials

If you have a dual-boot Windows/Linux system, you probably know this problem: you can access files from your Windows installation while you are in Linux, but not the other way round. This tutorial shows three ways how you can access your Linux partitions (with ext2 or ext3 filesystem) from within Windows: Explore2fs, DiskInternals Linux Reader, and the Ext2 Installable File System For Windows. While the first two provide read-only access, the Ext2 Installable File System For Windows can be used for read and write operations.

December 2007

Xen Cluster Management With Ganeti On Debian Etch | HowtoForge - Linux Howtos and Tutorials

by 1 other
Ganeti is a cluster virtualization management system based on Xen. In this tutorial I will explain how to create one virtual Xen machine (called an instance) on a cluster of two physical nodes, and how to manage and failover this instance between the two physical nodes.

documentation:convert_vmware_image_to_xen [contrib.lynuxsolutions.com]

This tutorial explains how to convert a VMWARE image of a Debian Etch to a XEN image on a Debian Sid dom0 using XEN 3.0.3.

November 2007

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