Debian

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Creating Encrypted FTP Backups With duplicity And ftplicity On Debian Etch

Creating Encrypted FTP Backups With duplicity And ftplicity On Debian Etch

When you rent a dedicated server nowadays, almost all providers give you FTP backup space for your server on one of the provider's backup systems. This tutorial shows how you can use duplicity and ftplicity to create encrypted (so that nobody with access to the backup server can read sensitive data in your backups) backups on the provider's remote backup server over FTP. ftplicity is a duplicity wrapper script (provided by the German computer magazine c't) that allows us to use duplicity without interaction (i.e., you do not have to type in any passwords).

How To Make Your Xen-PAE Kernel Work With More Than 4GB RAM (Debian Etch With GRUB)

How To Make Your Xen-PAE Kernel Work With More Than 4GB RAM (Debian Etch With GRUB)

If you have a server with more than 4GB RAM and want to install a 32bit Debian Etch on it (following this tutorial: Debian Etch And Xen From The Debian Repository), you'd expect the Xen-PAE kernel to see all your RAM because the Xen-PAE kernel supports up to 64GB RAM. In fact, it recognizes only about 3.3GB RAM due to a bug in the GRUB bootloader. This article explains how you can fix GRUB so that all your RAM gets recognized.

Setting Up ProFTPd + TLS On Debian Etch

Setting Up ProFTPd + TLS On Debian Etch

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 Etch server.

Setting Up An NFS Server And Client On Debian Etch

Setting Up An NFS Server And Client On Debian Etch

This guide explains how to set up an NFS server and an NFS client on Debian Etch. NFS stands for Network File System; through NFS, a client can access (read, write) a remote share on an NFS server as if it was on the local hard disk.

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

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

This guide explains how to set up software RAID1 on an already running Debian Etch system. 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).

Setting Up A Debian Packages Proxy With apt-cacher

Setting Up A Debian Packages Proxy With apt-cacher

There are many ways to install a Debian Linux but the most common is certainly to use the net-install 160MB CDROM. You can download it from http://www.debian.org/CD/netinst/. Booting up your PC from this CD, you will be capable of setting-up a basic Linux system; downloading updates, extra softwares and language support directly from the Internet. But using this method of installation on more than one PC in your LAN results in a massive waste of your precious bandwidth. Therefore, maybe you should consider using a cloning utility like “Sysimager”. But, as it is most likely that every computer will be slightly different one from another one, you should consider setting up a Debian Package Proxy as a long term solution.

How To Enable Multiple HTTPS Sites For One IP On Debian Etch Using TLS Extensions

How To Enable Multiple HTTPS Sites For One IP On Debian Etch Using TLS Extensions

This how-to is Debian specific but could be ported to other distributions since the concept is the same. In order to use TLS Extensions we have to patch and recompile apache2 and recompile OpenSSL with the enable-tlsext directive. Since TLS Extensions are relatively new, some internet browsers will not work so the apache2 server will deliver just the default site as http 1.0 does on an http 1.1 server.

Installing Openfire 3.3.3 & Spark 2.5.7 On Debian 4.0 Etch

Installing Openfire 3.3.3 & Spark 2.5.7 On Debian 4.0 Etch

This artivle explains how to install and use Openfire and Spark. Openfire (previously known as Wildfire Server) is a Jabber/XMPP server, and Spark is a Jabber/XMPP client; both are written in Java. Spark is an open source, cross-platform instant messaging client optimized for businesses and organizations.

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

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

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

Setting Up A High-Availability Load Balancer (With Failover and Session Support) With Pound/Keepalived On Debian Etch

Setting Up A High-Availability Load Balancer (With Failover and Session Support) With Pound/Keepalived On Debian Etch

This article explains how to set up a two-node load balancer in an active/passive configuration with Pound and keepalived 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 keepalived, and if the master fails, the slave becomes the master, which means the users will not notice any disruption of the service. Pound is session-aware, which means you can use it with any web application that makes use of sessions (such as forums, shopping carts, etc.).

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