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16/06/2016
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How do I change, sort, add, remove graphs with Munin?

Graphs on MuninEnable and disable plugins on each nodeGraphs are added and removed via symlinks in the /etc/munin/plugins/ directory of ...
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An lsof Primer

Source: Daniel Miessler Key Options Getting Information About the Network User Information Commands and Processes Files and Directories Advanced lsof ...
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Installing A High Availability Web Server Cluster On Ubuntu 12.10 Using HAProxy, HeartBeat And Lampp

What is the main objective of this entire topology?Redundancy and Load Sharing! Imagine a scenario where your single web server ...
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Installing a high availability web server cluster on Ubuntu 12.04 LTS using HAProxy, HeartBeat and Nginx

How to set-up a high-availability clusterHere are a few notes about how to set-up a high-availability web server farm using Ubuntu ...
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Automating the Deployment of a Scalable WordPress Site

IntroductionIn this guide we will create and deploy a scalable WordPress instance consisting of a MySQL database server, a GlusterFS ...
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Les systèmes de détection d’intrusions

I. IntroductionLes systèmes d'information sont aujourd'hui de plus en plus ouverts sur Internet. Cette ouverture, a priori bénéfique, pose néanmoins ...
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Using iptables and watch command

Using iptables to list filtering rules is OK. Running this command in a shell loop can help but it needs ...
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Ubuntu Linux /etc/network/interfaces networking example

Source: nixCraftQ. Can you explain how to setup network parameters such as IP address, subnet, dhcp etc using /etc/network/interfaces file?A ...
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How To Use ProxySQL as a Load Balancer for MySQL on Ubuntu 16.04

Introduction ProxySQL is an open-source MySQL proxy server, meaning it serves as an intermediary between a MySQL server and the ...
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How To Create a High Availability Setup with Heartbeat and Floating IPs on Ubuntu 14.04

Source: Digital Ocean - Mitchell Anicas Introduction Heartbeat is an open source program that provides cluster infrastructure capabilities—cluster membership and ...
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Administration réseau sous Linux: SSH

Source: Wikilivres SSH signifie Secure SHell. C'est un protocole qui permet de faire des connexions sécurisées (i.e. cryptées) entre un ...
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Use a classic menu in Unity

Source: WebUpd8 If you find Dash to be confusing and want to use a classic menu in Unity, you have ...
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Allow A Normal User To Run Commands As root Under Linux / UNIX Operating Systems

Source: nixCRAFT You need to use the sudo command which is use to execute a command as another user. It ...
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How To SSH Run Multiple Command On Remote Machine And Exit Safely

Source: nixCraft I have a backup sync program on local server. I have an ssh password less login set up, ...
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How to Set Locales (i18n) On a Linux or Unix

Source: nixCraft What is a "locale" on a Linux operating system? How do I set or get locals (i18n) values ...
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Disable The Mail Alert By Crontab Command On a Linux or Unix-like Systems

Source: nixCraft How do I to disable the mail alert send by crontab? When my job is executed and the ...
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