Debian

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Boot On BTRFS With Debian

Boot On BTRFS With Debian

This tutorial will explain you how to boot from a BTRFS filesystem with kernel 2.6.31-RC4 and BTRFS 0.19. BTRFS is a new filesystem with some really interesting features like online defragmenting and snapshots. BTRFS is an experimental filesystem, use at your own risk. The kernel used is also experimental.

How To Connect To A WPA Wifi Using Command Lines On Debian

How To Connect To A WPA Wifi Using Command Lines On Debian

This tutorial will explain how to connect to a WPA (1-2) wireless network without installing any graphical tool.

Setting Up ProFTPd + TLS On Debian Lenny

Setting Up ProFTPd + TLS On Debian Lenny

FTP is a very insecure protocol because all passwords and all data are transferred in clear text. By using TLS, the whole communication can be encrypted, thus making FTP much more secure. This article explains how to set up ProFTPd with TLS on a Debian Lenny server.

Paravirtualized Gentoo 2009 domU Using Debian Lenny

Paravirtualized Gentoo 2009 domU Using Debian Lenny

This guide will help you to create gentoo paravirtualized xen guest under Debian Lenny. Since Gentoo 2008.0 release is deprecated, so we will use current gentoo stage.

Install PHP 5.3.0/Lighttpd On Debian (Lenny) With Imap, MySQL, Sqlite3 And ImageMagick Support

Install PHP 5.3.0/Lighttpd On Debian (Lenny) With Imap, MySQL, Sqlite3 And ImageMagick Support

This tutorial covers the setup of PHP 5.3.0/Lighttpd on Debian (lenny) with imap, mysql, mysqli, sqlite3, ImageMagick and mycrypt support.

Installing VMware Tools On Debian Lenny 5.0.2 With Gnome Desktop On ESX Server 3.5 Update 4

Installing VMware Tools On Debian Lenny 5.0.2 With Gnome Desktop On ESX Server 3.5 Update 4

From time to time, installing VMware Tools on a Linux guest will cause you some grief. While there are lots of howto's, usually they're for VMware Workstation. Here's one that works in Debian/Lenny 5.0.2 on ESX Server 3.5 Update 4.

How To Defend slowloris DDoS With mod_qos (Apache2 On Debian [Lenny])

How To Defend slowloris DDoS With mod_qos (Apache2 On Debian [Lenny])

mod_qos gives some fine-grained opportunities to scale the number of used connections and to defend an attack according to bandwidth limits. Unfortunately it is only available as source-package and there are many possible settings, wich might be hard to setup for this special case. So I provide the way that helped me.

Anonymous SSH Sessions With TOR

Anonymous SSH Sessions With TOR

OpenSSH is a great means to protect your connection from being sniffed by others. However, this isn't always enough. Simply proving that you connected to a server is enough to get incriminated. Unfortunately, SSH doesn't provide a native way to obfuscate to whom it connects. Instead, a proxy server can be set up. And this is where TOR comes to play. This howto covers installing TOR on a Debian based system and setting up SSH to use TOR.

Setting Up A High-Availability Load Balancer (With Failover and Session Support) With HAProxy/Heartbeat On Debian Lenny

Setting Up A High-Availability Load Balancer (With Failover and Session Support) With HAProxy/Heartbeat On Debian Lenny

This article explains how to set up a two-node load balancer in an active/passive configuration with HAProxy and heartbeat on Debian Lenny. 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.).

Striping Across Four Storage Nodes With GlusterFS On Debian Lenny

Striping Across Four Storage Nodes With GlusterFS On Debian Lenny

This tutorial shows how to do data striping (segmentation of logically sequential data, such as a single file, so that segments can be assigned to multiple physical devices in a round-robin fashion and thus written concurrently) across four single storage servers (running Debian Lenny) with GlusterFS. The client system (Debian Lenny 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.

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