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Debian

How To Set Up Software RAID1 On A Running LVM System (Incl. GRUB Configuration) (Debian Etch)

Post date: March 25, 2008, 10:03 Category: System Views: 3867 Comments
Tutorial quote: This guide explains how to set up software RAID1 on an already running LVM system (Debian Etch). The GRUB bootloader will be configured in such a way that the system will still be able to boot if one of the hard drives fails (no matter which one).
Ubuntu

Snare and Splunk…full logging for everyone (Logs, manage them well on Ubuntu)

Post date: April 10, 2007, 05:04 Category: Security Views: 5960 Comments
Tutorial quote: How to set up splunk on a Ubuntu server and centralize all your logging needs with a very powerfull search engine...very nifty stuff.
Linux

Connecting to a Wireless LAN with Linux, Part 2

Post date: April 13, 2005, 19:04 Category: Hardware Views: 4368 Comments
Tutorial quote: In Part 1 we reviewed hardware options, which wireless utilities should be present, how to use Windows drivers, and how to be open to connect to any available wireless access point. Today we'll cover configurations on Red Hat- and Debian-type systems, basic security, and hardware discovery.

Wireless connectivity can be rather overly friendly, allowing connections from anyone. This howto assumes you have a wireless access point on a LAN, which can be all wireless or mixed wired and wireless. You don't want it wide open to just any random person with a desire to snoop on your network or "borrow" your bandwidth, but you want some access controls and security. Your access point should have a unique SSID (service set identifier), WEP (wireless equivalent privacy) or WPA/WPA2 (Wi-fi protected access) set up and working, and either a DHCP server or a pool of assigned IP addresses for clients.
Linux

How To Set Up VMware Tools On Various Linux Distributions

Post date: October 2, 2007, 07:10 Category: Miscellaneous Views: 8826 Comments
Tutorial quote: This document explains how to set up the VMware Tools in the following guest operating systems: Ubuntu 7.04, Fedora 7, PCLinuxOS 2007 and Debian Etch. Installing VMware Tools in your guest operating systems will help maximize performance, provide mouse synchronization and copy & paste functionality. This article also shows a way of making VMware Tools start automatically when you start a guest operating system.
CentOS

Virtual Hosting Howto With Virtualmin On CentOS 5.1

Post date: March 4, 2008, 11:03 Category: Installing Views: 5928 Comments
Tutorial quote: This tutorial shows how to set up a CentOS 5.x server to offer all services needed by virtual web hosters. These include web hosting, smtp server with (SMTP-AUTH and TLS, SPF, DKIM, Domainkeys), DNS, FTP, MySQL, POP3/IMAP, Firewall, Webalizer for stats.
Ubuntu

Howto Install Nginx webserver in Ubuntu 8.04 (Hardy Heron)

Post date: August 4, 2008, 07:08 Category: Software Views: 4830 Comments
Tutorial quote: Nginx (pronounced engine x) is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Written by Igor Sysoev in 2005, Nginx now hosts between 1% and 4% of all domains worldwide. Although still in beta, Nginx is known for its stability, rich feature set, simple configuration, and low resource consumption.

Debian

Set Up A High-Availability Load Balancer With Perlbal/Heartbeat On Debian Etch

Post date: January 13, 2009, 12:01 Category: Installing Views: 3921 Comments
Tutorial quote: This article explains how to set up a two-node load balancer in an active/passive configuration with Perlbal 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. Perlbal is session-aware, which means you can use it with any web application that makes use of sessions (such as forums, shopping carts, etc.).
Ubuntu

SAMBA (Domaincontroller) Server For Small Workgroups With Ubuntu 7.10

Post date: November 23, 2007, 10:11 Category: Installing Views: 3812 Comments
Tutorial quote: This is a detailed description about setting up an Ubuntu based server (Ubuntu 7.10) to act as file- and printserver for Windows(tm) workstations in small workgroups. This howto uses the tdb backend for SAMBA to store passwords and account information. This is suitable for workgroups for up to 250 users and is easier to set up than an LDAP backend.
Debian

Setting Up A Highly Available NFS Server

Post date: April 1, 2006, 05:04 Category: Network Views: 6888 Comments
Tutorial quote: In this tutorial I will describe how to set up a highly available NFS server that can be used as storage solution for other high-availability services like, for example, a cluster of web servers that are being loadbalanced. If you have a web server cluster with two or more nodes that serve the same web site(s), than these nodes must access the same pool of data so that every node serves the same data, no matter if the loadbalancer directs the user to node 1 or node n. This can be achieved with an NFS share on an NFS server that all web server nodes (the NFS clients) can access.

As we do not want the NFS server to become another "Single Point of Failure", we have to make it highly available. In fact, in this tutorial I will create two NFS servers that mirror their data to each other in realtime using DRBD and that monitor each other using heartbeat, and if one NFS server fails, the other takes over silently. To the outside (e.g. the web server nodes) these two NFS servers will appear as a single NFS server.

In this setup I will use Debian Sarge (3.1) for the two NFS servers as well as for the NFS client (which represents a node of the web server cluster).
OpenSUSE

Installing Nginx With PHP5 And MySQL Support On OpenSUSE 11.3

Post date: August 10, 2010, 15:08 Category: Installing Views: 3615 Comments
Tutorial quote: Nginx (pronounced "engine x") is a free, open-source, high-performance HTTP server. Nginx is known for its stability, rich feature set, simple configuration, and low resource consumption. This tutorial shows how you can install Nginx on an OpenSUSE 11.3 server with PHP5 support (through FastCGI) and MySQL support.
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