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Ubuntu

Distributed Replicated Storage Across Four Nodes With GlusterFS On Ubuntu 9.10

Post date: January 19, 2010, 12:01 Category: Installing Views: 2434 Comments
Tutorial quote: This tutorial shows how to combine four single storage servers (running Ubuntu 9.10) to a distributed replicated storage with GlusterFS. Nodes 1 and 2 (replication1) as well as 3 and 4 (replication2) will mirror each other, and replication1 and replication2 will be combined to one larger storage server (distribution). Basically, this is RAID10 over network. If you lose one server from replication1 and one from replication2, the distributed volume continues to work. The client system (Ubuntu 9.10 as well) will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware such as x86_64 servers with SATA-II RAID and Infiniband HBA.
Debian

Setting Up Network RAID1 With DRBD On Debian Squeeze

Post date: August 23, 2011, 07:08 Category: Installing Views: 2057 Comments
Tutorial quote: This tutorial shows how to set up network RAID1 with the help of DRBD on two Debian Squeeze systems. DRBD stands for Distributed Replicated Block Device and allows you to mirror block devices over a network. This is useful for high-availability setups (like a HA NFS server) because if one node fails, all data is still available from the other node.
Ubuntu

Get your wireless card working in Ubuntu

Post date: June 3, 2006, 11:06 Category: Network Views: 4475 Comments
Tutorial quote: Okay so you have a wireless card that shows up in ubuntu but doesnt connect to any wireless network?

The reason the card shows up but doesnt work is because ubuntu is distributed with its driver (so it can recognize it) but not with its firmware (so it can USE it) for legal reasons.

However you can take the firmware out of the windows drivers and put them into ubuntu and make the card work
Follow these steps to get your wireless card working under ubuntu dapper 6.06
Debian

Disk Based Backups With Amanda On Debian Etch

Post date: September 23, 2007, 10:09 Category: Miscellaneous Views: 3748 Comments
Tutorial quote: This document describes how to set up Amanda (The Advanced Maryland Automatic Network Disk Archiver) on Debian Etch. For this tutorial I chose Ubuntu v7.04 as a backup-client. The resulting system provides a flexible backup system with many features. It will be able to back up multiple hosts via network to various devices. I chose the disk based backup for this howto.
Debian

Using multiple network cards in XEN

Post date: December 10, 2006, 09:12 Category: Emulation Views: 7430 Comments
Tutorial quote: Xen is great. But installing more than one network card became a pain when I tried it the first time. There are some documents describing the principle but I was unable to find a real life example somewhere else. So this is a summary about how it works here now.
Ubuntu

Create a LAN for Virtual Servers with KVM and VDE

Post date: November 11, 2008, 19:11 Category: System Views: 3393 Comments
Tutorial quote: You have one host [ hoster ] running KVM on UBUNTU with 1 network interface accessing to internet.You want to have 2 debian etch virtual servers [ guest ] ( debian01 and debian02 ) running on your hoster with network access between them and hoster in a local LAN. In this case virtual servers will not be able to access to internet, but later I will explain how to do it.
Ubuntu

Postfix Virtual Hosting With OpenLDAP And Dovecot On Ubuntu 8.10

Post date: January 25, 2009, 12:01 Category: Installing Views: 2847 Comments
Tutorial quote: This how to will allow you to configure a Postfix mail server with virtual hosting. Virtual hosting means that you can add as many maildomains as you want and subsequentially as many mailboxes for these domains as you want. Here we we use an LDAP backend for both the MTA (Postfix) and POP3/IMAP server (Dovecot), and a web based management interface.
Debian

Ensuring network interfaces remain named consistently

Post date: November 25, 2006, 08:11 Category: Network Views: 2690 Comments
Tutorial quote: I was answering a recent weblog post and I figured the reply was sufficiently interesting to be a short and sweet article, plus the feedback from you guys is always great. So, here it is: Making sure that network interface ordering remains constant.
Ubuntu

Setting up squid proxy server on Ubuntu (Quick Start Guide)

Post date: October 10, 2010, 05:10 Category: Software Views: 4124 Comments
Tutorial quote: Squid is an internet proxy server that can be used within a network to distribute an internet connection to all the computers within the network. One central computer is connected to the internet through any means such as dial-up, cable modem, ISDN, DSL, or T1, runs squid, and thus acts as the firewall to the internet. Because it is a proxy, it has the capabilities to log all user actions such as the URLs visited. There are many features that can be configured in squid. This guide is meant to be a quick start guide for those who are eager to get squid working and then configure it from there.
Debian

Monitoring Proftpd Server Using phpftpwho

Post date: August 5, 2007, 02:08 Category: Software Views: 2907 Comments
Tutorial quote: phpftpwho is a program written in PHP that tells you the status of your local FTP server. It uses the unix/linux
command ftpwho and formats and displays the information. The program is licensed under the GPL license.
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