public marks

PUBLIC MARKS with tag availability

2010

2009

KnowEm UserName Check - Thwart Social Media Identity Theft, check Username Availability

by ycc2106 & 3 others
KnowEm checks the availability of your brand name, user name or vanity URL on 120 popular Social Media websites. Didn't work for SkyRock

2008

Setting Up A High-Availability Load Balancer (With Failover and Session Support) With HAProxy/Heartbeat On Debian Etch | HowtoForge - Linux Howtos and Tutorials

by camel & 1 other
This article explains how to set up a two-node load balancer in an active/passive configuration with HAProxy and heartbeat on Debian Etch. The load balancer sits between the user and two (or more) backend Apache web servers that hold the same content. Not only does the load balancer distribute the requests to the two backend Apache servers, it also checks the health of the backend servers. If one of them is down, all requests will automatically be redirected to the remaining backend server. In addition to that, the two load balancer nodes monitor each other using heartbeat, and if the master fails, the slave becomes the master, which means the users will not notice any disruption of the service. HAProxy is session-aware, which means you can use it with any web application that makes use of sessions (such as forums, shopping carts, etc.). From the HAProxy web site: "HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for web sites crawling under very high loads while needing persistence or Layer7 processing. Supporting tens of thousands of connections is clearly realistic with todays hardware. Its mode of operation makes its integration into existing architectures very easy and riskless, while still offering the possibility not to expose fragile web servers to the Net."

2007

Free website test checks website response time and availability

by picink
Instant website test checks if a website is up and running and how long it takes to download. There is no limitation of how many tests you can do and it is free. Website testing can be done from various testing locations worldwide.

Leapro-pro sys-dispo - Lea Linux

by holyver
Ce document étudie les infrastructures et les différents types et méthodes de haute disponibilité dans un environnement donné. Il présente aussi les différentes solutions en termes logiciels et matériels afin de parvenir à une haute disponibilité. Ce document est une documentation ouverte.

2006

Know your clustering architectures - Builder UK

by holyver
Enterprise application (EA) architects often face challenges in designing scalable applications that can accommodate a growing number of users and provide 24/7 availability. In this article, I’ll explain the meaning of scalability and availability in EA and explore different architectures for achieving them.

HomePage: Linux HA

by springnet & 2 others
The Linux-HA project is a widely used and important component in many interesting High-Availability solutions. We estimate that we currently have around thirty thousand installations up in mission-critical uses in the real world since it became suitable f

Ultra Monkey:

by springnet & 2 others
Ultra Monkey is a project to create load balanced and highly available network services. For example a cluster of web servers that appear as a single web server to end-users. The service may be for end-users across the world connected via the internet, or

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ycc2106
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picink
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springnet
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