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Ubuntu

Things To Fix / Tweak After Installing Ubuntu 9.10 Karmic Koala

Post date: November 1, 2009, 12:11 Category: Miscellaneous Views: 4580 Comments
Tutorial quote: Fixes / tweaks in this post: fix the Internet connection, change Ctrl + Alt + Backspace behaviour, tweak update manager behaviour, disable the login sound, enable icons in menus and buttons, make Nvidia Settings save changes to xorg.conf, fix the popping sound, Firefox scrolling issues fix, make the Super Key bring down the Applications menu, change notify-osd behaviour.
Linux

Boot Linux Over HTTP With netboot.me

Post date: October 1, 2009, 12:10 Category: Miscellaneous Views: 3997 Comments
Tutorial quote: This tutorial shows how you can boot Linux over HTTP with netboot.me. All that users need is Internet connectivity and a small program (gpxe) to boot the machine. This gpxe program provides network booting facility. netboot.me allows you to boot into the following distributions: Debian, Fedora, OpenSUSE, and Ubuntu. netboot.me provides gpxe images for USB sticks, CDs, and also for floppies, i.e., you can boot from a USB sticks, a CD, or a floppy.
Ubuntu

Virtual Users/Domains With Postfix, Courier, MySQL, SquirrelMail (Ubuntu 10.04)

Post date: June 10, 2010, 11:06 Category: Installing Views: 3205 Comments
Tutorial quote: This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database Postfix uses.
Linux

Automatically Scan Uploaded Files For Viruses With php-clamavlib

Post date: January 14, 2007, 21:01 Category: Security Views: 5253 Comments
Tutorial quote: This guide describes how you can automatically scan files uploaded by users through a web form on your server using PHP and ClamAV. That way you can make sure that your upload form will not be abused to distribute malware. To glue PHP and ClamAV, we install the package php5-clamavlib/php4-clamavlib which is rather undocumented at this time. That package is available for Debian Etch and Sid and also for Ubuntu Dapper Drake and Edgy Eft.
Debian

Fight Image Spam With FuzzyOCR And SpamAssassin On Debian/Ubuntu

Post date: February 15, 2007, 18:02 Category: Software Views: 3973 Comments
Tutorial quote: This tutorial describes how to scan emails for image spam with FuzzyOCR. FuzzyOCR is a plugin for SpamAssassin which is aimed at unsolicited bulk mail containing images as the main content carrier. Using different methods, it analyzes the content and properties of images to distinguish between normal mails (ham) and spam mails. FuzzyOCR tries to keep the system load low by scanning only mails that have not already been categorized as spam by SpamAssassin, thus avoiding unnecessary work.
Debian

Processing 10000 Pictures Using Many Computers With Oropo (Debian/Ubuntu)

Post date: April 27, 2010, 11:04 Category: Installing Views: 3664 Comments
Tutorial quote: Have you ever had a lot of data to process? In such a moment after a while of processing we realize that it will take ages to complete. It would be faster if we could use two or three or even more computers. Let's use some computers - you think it is a lot of configuration? You are wrong. With Oropo it's easy. Let's discuss a problem of processing large number of pictures. First approach for solving this problem is to process pictures sequentially on one computer. Second approach is to process pictures parallelly on many computers.
Ubuntu

How To Set Up Database Replication In MySQL On Ubuntu 9.10

Post date: January 12, 2010, 12:01 Category: Miscellaneous Views: 3624 Comments
Tutorial quote: This tutorial describes how to set up database replication in MySQL. MySQL replication allows you to have an exact copy of a database from a master server on another server (slave), and all updates to the database on the master server are immediately replicated to the database on the slave server so that both databases are in sync. This is not a backup policy because an accidentally issued DELETE command will also be carried out on the slave; but replication can help protect against hardware failures.
Ubuntu

Renew Certificate or Create New Certificate from Zimbra CLI

Post date: November 10, 2010, 12:11 Category: Software Views: 4725 Comments
Tutorial quote: Renew Certificate or Create New Certificate from Zimbra CLI on Ubuntu server.
Debian

A Short Introduction To Apt-Pinning

Post date: March 24, 2009, 12:03 Category: Miscellaneous Views: 4058 Comments
Tutorial quote: This article is a short overview of how to use apt-pinning on Debian and Debian-based distributions (like Ubuntu). Apt-Pinning allows you to use multiple releases (e.g. stable, testing, and unstable) on your system and to specify when to install a package from which release. That way you can run a system based mostly on the stable release, but also install some newer packages from testing or unstable (or third-party repositories).
Ubuntu

Virtual Users/Domains With Postfix, Courier, MySQL & SquirrelMail (Ubuntu 8.10)

Post date: November 16, 2008, 11:11 Category: Installing Views: 3910 Comments
Tutorial quote: This document describes how to install a Postfix mail server that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. Passwords are stored in encrypted form in the database. In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses. I will also show how to install SquirrelMail as a webmail interface so that users can read and send emails and change their passwords.
Web-based applications and online marketing solutions - LumoLink