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Debian

Monitoring Network Latency With Smokeping (Debian Etch)

Post date: September 15, 2007, 00:09 Category: Network Views: 7245 Comments
Tutorial quote: This guide shows how to install and configure Smokeping on Debian Etch to monitor network latency. From the Smokeping web site: "SmokePing is a deluxe latency measurement tool. It can measure, store and display latency, latency distribution and packet loss. SmokePing uses RRDtool to maintain a longterm data-store and to draw pretty graphs, giving up to the minute information on the state of each network connection."
Debian

How To Integrate ClamAV Into PureFTPd For Virus Scanning On Debian Lenny

Post date: April 19, 2010, 08:04 Category: Security Views: 5459 Comments
Tutorial quote: This tutorial explains how you can integrate ClamAV into PureFTPd for virus scanning on a Debian Lenny system. In the end, whenever a file gets uploaded through PureFTPd, ClamAV will check the file and delete it if it is malware.
Debian

Using DSPAM & ClamAV With Postfix (Virtual Users) On Debian Etch

Post date: August 14, 2007, 23:08 Category: Security Views: 4226 Comments
Tutorial quote: This article describes how to integrate DSPAM with embedded ClamAV into a mail server based on Postfix featuring virtual users and domains, i.e. users and domains that are in a MySQL database. DSPAM is a scalable and open-source content-based spam filter. The setup shown here is suitable for Debian Etch servers.
Debian

Disk Based Backups With Amanda On Debian Etch

Post date: September 23, 2007, 10:09 Category: Miscellaneous Views: 4600 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

Enabling Compiz Fusion On A Debian Squeeze Desktop (Nvidia GeForce 8200)

Post date: March 29, 2011, 09:03 Category: Desktop Views: 3036 Comments
Tutorial quote: This tutorial shows how you can enable Compiz Fusion on a Debian Squeeze desktop (the system must have a 3D-capable graphics card - I'm using an Nvidia GeForce 8200 here). With Compiz Fusion you can use beautiful 3D effects like wobbly windows or a desktop cube on your desktop.
Debian

Virtual Hosting With vsftpd And MySQL On Debian Etch

Post date: June 24, 2007, 23:06 Category: Installing Views: 4222 Comments
Tutorial quote: Vsftpd is one of the most secure and fastest FTP servers for Linux. Usually vsftpd is configured to work with system users. This document describes how to install a vsftpd server that uses virtual users from a MySQL database instead of real system users. This is much more performant and allows to have thousands of ftp users on a single machine.
Unix+clones

High Performance MySQL

Post date: December 1, 2006, 04:12 Category: Optimizing Views: 6736 Comments
Tutorial quote: The operating system your MySQL server runs on and the server's configuration can be just as important to your server's performance as the indexes, schema, or queries themselves. In this chapter, we will help you understand how to tune your server to improve performance, as opposed to tuning schema or queries. We'll be looking at changes to your hardware, operating system, and MySQL configuration to see what effects they have on overall performance.

We assume that you've already made efforts to boost the performance of your queries. If you haven't done that already, stop now and read Chapter 4 and Chapter 5 to get a handle on optimizing your queries and your application code. Only then should you worry about server settings. Hardware is often not the solution to MySQL performance problems. Poorly optimized queries can slow you down far more than not having the latest CPU or SCSI disk. To put this in perspective, one of the MySQL AB trainers even says that changing hardware might, in the best cases, give you a 10-fold performance increase. But tuning queries (and schemas) can often give you 1000-fold performance increase. Seriously.

Some topics covered in this chapter are platform-specific. The authors' knowledge of the various platforms on which MySQL runs is limited. In many cases, you'll need to consult your local documentation for various operating system tools and specifics.

We start with an overview of the factors that limit performance and then look more in depth at RAID, hardware, and operating system issues. The chapter finishes with a discussion of techniques you can use to locate, identify, and fix bottlenecks.
Debian

Password-Protect Directories With mod_auth_mysql On Apache2 (Debian Squeeze)

Post date: November 15, 2011, 10:11 Category: Miscellaneous Views: 33005 Comments
Tutorial quote: This guide explains how to password-protect web directories (with users from a MySQL database) with mod_auth_mysql on Apache2 on a Debian Squeeze server. It is an alternative to the plain-text password files provided by mod_auth and allows you to use normal SQL syntax to create/modify delete users. You can also configure mod_auth_mysql to authenticate against an existing MySQL user table.
Unix+clones

Security Testing your Apache Configuration with Nikto

Post date: August 29, 2006, 16:08 Category: Security Views: 4491 Comments
Tutorial quote: By now you've got the perfect setup for your new Ubuntu 6.0.6 (Dapper Drake) box. You may have even followed the excellent Intrusion Detection and Prevention with BASE and Snort tutorial. And as an added precaution you installed DenyHosts to prevent hack attempts via ssh. But now that you've got your new LAMP server on the internet, how can you tell that your new web server is secure? You test it, of course!
Debian

How To Install And Configure Mailman (With Postfix) On Debian Squeeze

Post date: July 19, 2011, 11:07 Category: Installing Views: 3296 Comments
Tutorial quote: Mailman is an open-source mailing list manager, i.e., it can be used to manage email discussions and newsletter lists. It is probably the most popular and widely used mailing list manager on the Internet. This tutorial explains how to install and configure Mailman on a Debian Squeeze server with a Postfix mail server.
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