Debian

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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.

How To Set Up WebDAV With Lighttpd On Debian Lenny

How To Set Up WebDAV With Lighttpd On Debian Lenny

This guide explains how to set up WebDAV with lighttpd on a Debian Lenny server. WebDAV stands for Web-based Distributed Authoring and Versioning and is a set of extensions to the HTTP protocol that allow users to directly edit files on the lighttpd server so that they do not need to be downloaded/uploaded via FTP. Of course, WebDAV can also be used to upload and download files.

Distributed Replicated Storage Across Four Storage Nodes With GlusterFS On Debian Lenny

Distributed Replicated Storage Across Four Storage Nodes With GlusterFS On Debian Lenny

This tutorial shows how to combine four single storage servers (running Debian Lenny) 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 (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.

Distributed Storage Across Four Storage Nodes With GlusterFS On Debian Lenny

Distributed Storage Across Four Storage Nodes With GlusterFS On Debian Lenny

This tutorial shows how to combine four single storage servers (running Debian Lenny) to one large storage server (distributed storage) 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.

How To Set Up Journaled Quota On Debian Lenny

How To Set Up Journaled Quota On Debian Lenny

This tutorial shows how you can set up journaled quota on a Debian Lenny system. With journaled quota, you don't need to run quotacheck after an unclean shutdown. Journaled quota works on ext3 and ext4 file systems.

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